last executing test programs: 2m17.127380284s ago: executing program 2 (id=309): r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000780), 0x2, 0x0) write$vhost_msg_v2(r0, &(0x7f00000004c0)={0x2, 0x0, {0x0, 0x0, 0x0, 0x3, 0x2}}, 0x48) 2m16.801737671s ago: executing program 2 (id=311): syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000240)='./file3\x00', 0x4010, &(0x7f00000001c0), 0x1, 0xbe4, &(0x7f0000006540)="$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") openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0xa0242, 0x0) renameat2(0xffffffffffffff9c, &(0x7f0000000180)='./file3\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x4) 2m13.981143969s ago: executing program 2 (id=324): mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x158) syz_mount_image$fuse(&(0x7f0000000180), &(0x7f0000000040)='./file0\x00', 0x480a8, &(0x7f0000000340)=ANY=[], 0x21, 0x0, 0x0) 2m13.255402896s ago: executing program 2 (id=329): r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) syz_mount_image$fuse(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, &(0x7f0000002280)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0], 0x0, 0x0, 0x0) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) syz_mount_image$fuse(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x1000000, &(0x7f0000004440)={{'fd', 0x3d, r1}, 0x2c, {'rootmode', 0x3d, 0x4000}}, 0x1, 0x0, 0x0) mount$fuse(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x20000, 0x0) mount$bind(&(0x7f0000000200)='.\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x2125099, 0x0) open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901) mount$tmpfs(0x0, 0x0, 0x0, 0x80000, 0x0) 2m12.068385794s ago: executing program 2 (id=335): syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x0, &(0x7f0000000140)={[{@max_batch_time={'max_batch_time', 0x3d, 0xe}}, {@commit={'commit', 0x3d, 0x5}}, {@nodelalloc}, {@abort}, {@errors_remount}, {@nodiscard}]}, 0xfd, 0x461, &(0x7f0000001840)="$eJzs3M1vG0UbAPDHmzj9fuO3lI+WFgIFUQlImvSDHrgUgcQBJCQ4tOJk0rQqdRvUBIlWFQQO5YgqcUfc+Qu4UC4IOCFxhTtCqlAvFE5Ga+8mTmI7cewkbfz7SdvOeMeZeXZ37PHM2gH0rZH0n0LE7oj4LSKG69nFBUbq/927e2Pyn7s3JgtRrb79V6FW7u+7NybzovnzdtUz1YE29d58N6JcqUxdzfJjs5c/GJu5dv3Fi5fLF6YuTF2ZOHXq+LFDQycnTnQdYxIRe9K2Hvh4+uD+18/eenPyzK33fvombe/urExjHL0yUj+6TT3b68o22Z7GzNzmtYPOpH10MCKKtf4/HAOxY37fcLz22aY2DlhX1WpS3dZ691wV2MLS0TzQj/I3+vTzb75t0NDjvnDndMzPY9zLtvqewdq8QWSfjdbLSEScmfv3q3SLdZqHAABodPt0RLzQbPyXxCMN5f6XrQ2VIuL/EbE3Ih6KiH0R8XBEreyjEfFYh/UvXSFZPv6pDq8psFVKx38vZ2tbi8d/+egvSgMNa0ilKBbOX6xMHc2OyZEobkvz423q+P7VX79ota9x/Jduaf35WDBrx5+DSybozpWL5W5ibnTn03orlsdfqK0LRLautz8iDnT4t7M1oaRdmZXjb2OwwwY1Uf064rn6+Z+LJfHnCi3XJ8dfOjlxYmx7VKaOjuVXxXI//3LzrVb1dxV/D9y5XY2dTa//+fhLhe0RM9euX6qt1850XsfN3z9v+Zlmbdf/bHmo8E4tPZQ99lF5dvbqeMRQ4Y3lj08sPDfP5+XT6//I4eb9f28sHInHI+JgRByKiCci4sms7U9FxNMRcbhN/D++8sz7ncffZla+h9L4z7U4/9kCfimNf+H8d54YuPTDt53Hn0vP//Fa6kj2SHr+V4prtQ3s8vABAADAAyGp3QNfSEbn00kyOlq/h39f7Ewq0zOzz5+f/vDKufq98qUoJvlM13DDfOh4Njec5yeW5I9l88ZfDuyo5UcnpyudzhUDvbWrRf9P/dHuCzzA1tCDdTTgAaX/Q//S/6F/6f/Qv/R/6F/N+v8nLUtvzI3JwMZY4f1/x0a1A9h4xv/Qv/R/6F/6P/Sllt+NT7r6yr/EJiW+G+rutxrSRGlVhSO5T0LeMoliNN01uOofs1hjYtvZ7MVg0a5NfmECAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADokf8CAAD//9OM3iE=") 2m8.648806925s ago: executing program 1 (id=352): syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000001240)='./file2\x00', 0xa105c2, &(0x7f0000000b40)=ANY=[], 0xfb, 0x11ff, &(0x7f0000002480)="$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renameat2(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x0) 2m8.252712085s ago: executing program 2 (id=355): r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/ip6_flowlabel\x00') read$FUSE(r0, 0x0, 0x0) 2m7.736206907s ago: executing program 32 (id=355): r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/ip6_flowlabel\x00') read$FUSE(r0, 0x0, 0x0) 2m7.268788858s ago: executing program 1 (id=361): r0 = openat$binfmt_register(0xffffffffffffff9c, &(0x7f0000000640), 0x1, 0x0) write$binfmt_register(r0, 0x0, 0x0) 2m6.788238749s ago: executing program 1 (id=364): r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000001080)='/proc/locks\x00', 0x0, 0x0) fcntl$lock(r0, 0x25, &(0x7f0000002380)={0x0, 0x1}) preadv(r0, &(0x7f0000000000)=[{&(0x7f0000000080)=""/4094, 0xffe}], 0x1, 0x33, 0x1000000) 2m6.651875613s ago: executing program 1 (id=366): mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=0000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) mount$bind(&(0x7f0000000200)='.\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x2125099, 0x0) mount$bind(0x0, &(0x7f00000005c0)='./file0\x00', 0x0, 0x100000, 0x0) r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901) move_mount(r1, 0x0, 0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x107) 2m6.471334097s ago: executing program 1 (id=367): syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='mnt\x00', 0x4, &(0x7f0000000000), 0x0, 0x236, &(0x7f0000000300)="$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") mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='mnt/encrypted_dir\x00', 0x0) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(0xffffffffffffffff, 0x800c6613, &(0x7f0000000080)=@v2={0x2, @adiantum, 0x8, '\x00', @auto="e190dace3b4f609154554b2603939807"}) 2m4.408245436s ago: executing program 1 (id=382): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000200)='./bus\x00', &(0x7f0000000b80), 0x200008, &(0x7f0000000140)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './cgroup'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) syz_mount_image$fuse(&(0x7f0000000540), &(0x7f0000000000)='./bus\x00', 0x322020, &(0x7f0000000580)=ANY=[], 0x3, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0xe) unlinkat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200) 2m4.21377434s ago: executing program 33 (id=382): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000200)='./bus\x00', &(0x7f0000000b80), 0x200008, &(0x7f0000000140)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './cgroup'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) syz_mount_image$fuse(&(0x7f0000000540), &(0x7f0000000000)='./bus\x00', 0x322020, &(0x7f0000000580)=ANY=[], 0x3, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0xe) unlinkat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200) 1m50.786396159s ago: executing program 4 (id=457): mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0x1a6c6000) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000100)='./file0\x00', 0x0, 0x1e0) getdents(r0, &(0x7f0000001fc0)=""/184, 0xb8) 1m50.631011753s ago: executing program 4 (id=459): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x143441, 0x98) fallocate(r0, 0x80, 0x5d, 0x1000000005) 1m50.298793451s ago: executing program 4 (id=460): mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x1000, 0xfff) r0 = openat$fuse(0xffffffffffffff9c, 0x0, 0x2, 0x0) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000600), 0x300c804, &(0x7f0000000240)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}, 0x2c, {}, 0x2c, {}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7f1}}]}}) 1m50.081322126s ago: executing program 4 (id=462): mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=0000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) mount$bind(&(0x7f0000000200)='.\x00', &(0x7f00000004c0)='./file0\x00', 0x0, 0x2125099, 0x0) r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901) move_mount(r1, 0x0, 0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x107) 1m49.781687894s ago: executing program 4 (id=465): mount$fuse(0x0, 0x0, 0x0, 0x800400, &(0x7f00000001c0)=ANY=[@ANYRES8=0x0, @ANYRESDEC, @ANYBLOB=',rootmode=00000000000000040000']) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup.net/devices.allow\x00', 0x189002, 0x40) write$cgroup_devices(r0, &(0x7f0000000200)=ANY=[@ANYBLOB='c *:'], 0x11) 1m47.681021473s ago: executing program 4 (id=472): mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='mnt/encrypted_dir\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='mnt/encrypted_dir\x00', 0x800, 0x0) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r0, 0x800c6613, &(0x7f0000000080)=@v2={0x2, @adiantum, 0x8, '\x00', @auto="e190dace3b4f609154554b2603939807"}) 1m47.280506482s ago: executing program 34 (id=472): mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='mnt/encrypted_dir\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='mnt/encrypted_dir\x00', 0x800, 0x0) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r0, 0x800c6613, &(0x7f0000000080)=@v2={0x2, @adiantum, 0x8, '\x00', @auto="e190dace3b4f609154554b2603939807"}) 7.620428829s ago: executing program 3 (id=767): r0 = fsopen(&(0x7f0000000040)='fuseblk\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f00000004c0)='j\x95\'\x8aC\x16\xca\\', 0x0, 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000140)='\x00\xe5\xff\xff\xff\xff\xff\xff\xff2', &(0x7f0000000180)='%*.\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f00000003c0)='\x00', &(0x7f0000000400)='(!\xef(.(\\-]\x00', 0x0) fsconfig$FSCONFIG_SET_BINARY(r0, 0x2, &(0x7f00000002c0)='\xe6\xdf\xf4\x89\b,\xcd\x9dP\x9e\xd7\xe3/\xd2=#\xc8\xb7\x98\f\x87\xcf\x00\x00\x00\x00\x00\x00\x00\x9a\x8e\x00\x00\x00\x00\x00\x00\x00', &(0x7f0000000200)="82", 0x1) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000c40)='\xe0\"\xef\xb1\xea\xe6\x9c\xe6\xc8M\xdb\x86\xb3\x8b\xbe\xd5\xbdB\x92\xa0\x19-+a\x13qQ\xd5f39hSr\xafbB\xe2\xe8\xcd\x1bf\x18\x7f\xf27E#\"\xab\x99\xec\x88\x8d\xd8C\x0f\x95\xff\xfeG\xf9t\xb1 \xcc\xc5\xbb\x88\xb6\xd2\xf2Jwq\xf8oG [ 289.158075][ T5602] dump_stack_lvl+0xe8/0x150 [ 289.158097][ T5602] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 289.158117][ T5602] f2fs_write_end_io+0x124b/0x1710 [ 289.158143][ T5602] __submit_merged_bio+0x258/0x6a0 [ 289.158158][ T5602] ? rcu_is_watching+0x15/0xb0 [ 289.158173][ T5602] __submit_merged_write_cond+0x3c9/0x4e0 [ 289.158192][ T5602] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 289.158218][ T5602] f2fs_write_data_pages+0x2a27/0x36f0 [ 289.158247][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 289.158281][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 289.158305][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 289.158318][ T5602] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 289.158334][ T5602] ? reacquire_held_locks+0x104/0x190 [ 289.158350][ T5602] ? rt_spin_unlock+0x157/0x200 [ 289.158365][ T5602] ? rt_spin_unlock+0x163/0x200 [ 289.158378][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 289.158389][ T5602] do_writepages+0x338/0x560 [ 289.158404][ T5602] ? rt_spin_unlock+0x157/0x200 [ 289.158422][ T5602] filemap_fdatawrite+0x1ec/0x2f0 [ 289.158436][ T5602] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 289.158446][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 289.158478][ T5602] ? rt_spin_unlock+0x157/0x200 [ 289.158494][ T5602] ? rt_spin_unlock+0x163/0x200 [ 289.158508][ T5602] f2fs_sync_dirty_inodes+0x30e/0x830 [ 289.158527][ T5602] f2fs_write_checkpoint+0xa3d/0x2710 [ 289.158538][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 289.158563][ T5602] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 289.158601][ T5602] kill_f2fs_super+0x2f6/0x700 [ 289.158616][ T5602] ? __pfx_kill_f2fs_super+0x10/0x10 [ 289.158633][ T5602] ? call_rcu+0x64b/0x8b0 [ 289.158644][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 289.158662][ T5602] deactivate_locked_super+0xbc/0x130 [ 289.158675][ T5602] cleanup_mnt+0x3d3/0x460 [ 289.158690][ T5602] task_work_run+0x1d9/0x270 [ 289.158702][ T5602] ? __pfx_task_work_run+0x10/0x10 [ 289.158717][ T5602] exit_to_user_mode_loop+0x1fa/0x730 [ 289.158728][ T5602] ? rcu_is_watching+0x15/0xb0 [ 289.158740][ T5602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.158750][ T5602] do_syscall_64+0x353/0x580 [ 289.158762][ T5602] ? trace_irq_disable+0x3b/0x140 [ 289.158772][ T5602] ? clear_bhb_loop+0x40/0x90 [ 289.158784][ T5602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.158794][ T5602] RIP: 0033:0x7ff71977f0d7 [ 289.158808][ T5602] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 289.158816][ T5602] RSP: 002b:00007ffccc2a4718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 289.158828][ T5602] RAX: 0000000000000000 RBX: 00007ff71981330a RCX: 00007ff71977f0d7 [ 289.158835][ T5602] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffccc2a47d0 [ 289.158840][ T5602] RBP: 00007ffccc2a47d0 R08: 00007ffccc2a57d0 R09: 00000000ffffffff [ 289.158847][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffccc2a5860 [ 289.158853][ T5602] R13: 00007ff71981330a R14: 00000000000467b6 R15: 00007ffccc2a58a0 [ 289.158869][ T5602] [ 289.158873][ T5602] F2FS-fs (loop0): Stopped filesystem due to reason: 3 [ 289.925231][ T1021] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 290.155828][ T8709] loop0: detected capacity change from 0 to 256 [ 290.188303][ T8709] FAT-fs (loop0): error, allocated dir entry found after end-of-directory marker (i_pos 1) [ 290.188327][ T8709] FAT-fs (loop0): Filesystem has been set read-only [ 290.400687][ T8711] overlayfs: overlapping lowerdir path [ 290.641544][ T8038] 8021q: adding VLAN 0 to HW filter on device bond0 [ 290.875718][ T1021] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 291.107946][ T8038] 8021q: adding VLAN 0 to HW filter on device team0 [ 291.224992][ T994] bridge0: port 1(bridge_slave_0) entered blocking state [ 291.251134][ T994] bridge0: port 1(bridge_slave_0) entered forwarding state [ 291.306089][ T8705] loop3: detected capacity change from 0 to 131072 [ 291.311075][ T8705] F2FS-fs (loop3): invalid crc value [ 291.703204][ T8705] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 291.746456][ T1021] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 291.929888][ T1009] bridge0: port 2(bridge_slave_1) entered blocking state [ 291.930070][ T1009] bridge0: port 2(bridge_slave_1) entered forwarding state [ 291.933398][ T5261] 8021q: adding VLAN 0 to HW filter on device eth5 [ 292.033107][ T8705] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e4 [ 292.282084][ T8744] loop0: detected capacity change from 0 to 512 [ 292.381890][ T8744] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 293.197568][ T1021] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 293.385437][ T8115] 8021q: adding VLAN 0 to HW filter on device bond0 [ 293.934829][ T8115] 8021q: adding VLAN 0 to HW filter on device team0 [ 294.022992][ T56] bridge0: port 1(bridge_slave_0) entered blocking state [ 294.023067][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state [ 294.113101][ T8411] netdevsim netdevsim7 netdevsim0: renamed from eth0 [ 294.147955][ T8762] loop3: detected capacity change from 0 to 4096 [ 294.184963][ T8762] EXT4-fs: inline encryption not supported [ 294.207291][ T8762] EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled [ 294.207327][ T8762] EXT4-fs (loop3): Test dummy encryption mode enabled [ 294.226382][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 294.337402][ T8762] [EXT4 FS bs=4096, gc=1, bpg=524288, ipg=32, mo=280ec1a8, mo2=0003] [ 294.337531][ T8762] System zones: 0-5 [ 294.338469][ T8411] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 294.344572][ T8762] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 294.419893][ T8411] netdevsim netdevsim7 netdevsim1: renamed from eth1 [ 294.538718][ T8772] loop0: detected capacity change from 0 to 512 [ 294.808249][ T8772] EXT4-fs error (device loop0): ext4_orphan_get:1425: comm syz.0.552: bad orphan inode 15 [ 294.808280][ T8772] loop0: lost filesystem error report for type 5 error -117 [ 294.808717][ T8772] ext4_test_bit(bit=14, block=5) = 0 [ 294.878229][ T8772] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 294.914077][ T8411] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 294.950188][ T994] bridge0: port 2(bridge_slave_1) entered blocking state [ 294.952258][ T994] bridge0: port 2(bridge_slave_1) entered forwarding state [ 294.977706][ T8411] netdevsim netdevsim7 netdevsim2: renamed from eth2 [ 295.077300][ T8411] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 295.190023][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 295.443702][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 295.640740][ T8411] netdevsim netdevsim7 netdevsim3: renamed from eth3 [ 295.683359][ T8411] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 295.697198][ T5261] 8021q: adding VLAN 0 to HW filter on device eth6 [ 295.713124][ T8790] loop3: detected capacity change from 0 to 512 [ 295.714337][ T8790] EXT4-fs: Ignoring removed nobh option [ 295.731366][ T8790] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 295.731386][ T8790] EXT4-fs (loop3): encrypted files will use data=ordered instead of data journaling mode [ 295.759398][ T8790] EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (35405!=33349) [ 295.804605][ T8790] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=a00ec019, mo2=0002] [ 295.804705][ T8790] System zones: 1-12 [ 295.804944][ T8790] EXT4-fs (loop3): orphan cleanup on readonly fs [ 295.848441][ T8790] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:517: comm syz.3.554: Block bitmap for bg 0 marked uninitialized [ 295.848461][ T8790] loop3: lost filesystem error report for type 5 error -117 [ 295.856915][ C1] EXT4-fs (loop3): initial error at time 1784955603: ext4_read_block_bitmap_nowait:517 [ 295.856943][ C1] EXT4-fs (loop3): last error at time 1784955603: ext4_read_block_bitmap_nowait:517 [ 295.993213][ T8790] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:517: comm syz.3.554: Block bitmap for bg 0 marked uninitialized [ 295.993232][ T8790] loop3: lost filesystem error report for type 5 error -117 [ 296.066238][ T8800] loop0: detected capacity change from 0 to 256 [ 296.161816][ T8790] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:517: comm syz.3.554: Block bitmap for bg 0 marked uninitialized [ 296.161845][ T8790] loop3: lost filesystem error report for type 5 error -117 [ 296.190728][ T8790] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:517: comm syz.3.554: Block bitmap for bg 0 marked uninitialized [ 296.190759][ T8790] loop3: lost filesystem error report for type 5 error -117 [ 296.252997][ T8790] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:517: comm syz.3.554: Block bitmap for bg 0 marked uninitialized [ 296.253027][ T8790] loop3: lost filesystem error report for type 5 error -117 [ 296.258999][ T8790] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:517: comm syz.3.554: Block bitmap for bg 0 marked uninitialized [ 296.259028][ T8790] loop3: lost filesystem error report for type 5 error -117 [ 296.261482][ T8790] EXT4-fs warning (device loop3): ext4_expand_extra_isize_ea:2860: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 296.262108][ T8790] EXT4-fs (loop3): 1 truncate cleaned up [ 296.264787][ T8800] exFAT-fs (loop0): failed to load upcase table (idx : 0x00011e7e, chksum : 0x04bede55, utbl_chksum : 0xe619d30d) [ 296.277052][ T8790] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: writeback. [ 296.316758][ T8800] exFAT-fs (loop0): error, data valid size is invalid(-281474976706560) [ 296.561874][ T8808] exFAT-fs (loop0): error, data valid size is invalid(-281474976706560) [ 296.621246][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 297.410118][ T1021] bridge_slave_1: left allmulticast mode [ 297.410153][ T1021] bridge_slave_1: left promiscuous mode [ 297.410427][ T1021] bridge0: port 2(bridge_slave_1) entered disabled state [ 297.460420][ T8818] loop0: detected capacity change from 0 to 40427 [ 297.465985][ T8818] F2FS-fs (loop0): Invalid log_blocksize (268), supports only 12 [ 297.466007][ T8818] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 297.496604][ T8818] F2FS-fs (loop0): invalid crc_offset: 33558524 [ 297.580986][ T1021] bridge_slave_0: left allmulticast mode [ 297.581021][ T1021] bridge_slave_0: left promiscuous mode [ 297.617736][ T1021] bridge0: port 1(bridge_slave_0) entered disabled state [ 297.622985][ T8818] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 297.675399][ T8818] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 297.675420][ T8818] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 297.929657][ T1021] bridge_slave_1: left allmulticast mode [ 297.929691][ T1021] bridge_slave_1: left promiscuous mode [ 297.929925][ T1021] bridge0: port 2(bridge_slave_1) entered disabled state [ 298.121049][ T1021] bridge_slave_0: left allmulticast mode [ 298.121084][ T1021] bridge_slave_0: left promiscuous mode [ 298.122088][ T1021] bridge0: port 1(bridge_slave_0) entered disabled state [ 298.712904][ T8830] loop0: detected capacity change from 0 to 256 [ 298.790769][ T8830] FAT-fs (loop0): data area starts beyond volume (274 > 64) [ 298.790794][ T8830] FAT-fs (loop0): Can't find a valid FAT filesystem [ 299.021102][ T8834] loop0: detected capacity change from 0 to 128 [ 299.035162][ T8834] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x61417272 (sector = 1) [ 299.035189][ T8834] FAT-fs (loop0): data area starts beyond volume (36 > 6) [ 299.035203][ T8834] FAT-fs (loop0): Can't find a valid FAT filesystem [ 299.545057][ T8828] loop3: detected capacity change from 0 to 131072 [ 299.565120][ T8828] F2FS-fs (loop3): Wrong NAT boundary, start(2560) end(5) blocks(1024) [ 299.565147][ T8828] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 299.963608][ T8828] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 299.990866][ T8828] F2FS-fs (loop3): Try to recover 2th superblock, ret: 0 [ 299.990896][ T8828] F2FS-fs (loop3): Mounted with checkpoint version = 753bd00b [ 300.318196][ T1021] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 300.386673][ T8842] loop0: detected capacity change from 0 to 40427 [ 300.443067][ T8842] F2FS-fs (loop0): invalid crc value [ 300.494436][ T1021] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 300.610359][ T1021] bond0 (unregistering): Released all slaves [ 300.852030][ T8844] fscrypt: loop3: 1 inode(s) still busy after removing key with identifier 69b2f6edeee720cce0577937eb8a6751, including ino 4 [ 300.856268][ T8842] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 300.886404][ T8842] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 301.251630][ T5602] syz-executor: attempt to access beyond end of device [ 301.251630][ T5602] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 301.313353][ T5602] CPU: 1 UID: 0 PID: 5602 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 301.313379][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 301.313388][ T5602] Call Trace: [ 301.313395][ T5602] [ 301.313403][ T5602] dump_stack_lvl+0xe8/0x150 [ 301.313441][ T5602] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 301.313472][ T5602] f2fs_write_end_io+0x124b/0x1710 [ 301.313507][ T5602] __submit_merged_bio+0x258/0x6a0 [ 301.313531][ T5602] ? rcu_is_watching+0x15/0xb0 [ 301.313556][ T5602] __submit_merged_write_cond+0x3c9/0x4e0 [ 301.313589][ T5602] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 301.313635][ T5602] f2fs_write_data_pages+0x2a27/0x36f0 [ 301.313685][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 301.313742][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 301.313781][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 301.313801][ T5602] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 301.313829][ T5602] ? reacquire_held_locks+0x104/0x190 [ 301.313859][ T5602] ? rt_spin_unlock+0x157/0x200 [ 301.313887][ T5602] ? rt_spin_unlock+0x163/0x200 [ 301.313908][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 301.313928][ T5602] do_writepages+0x338/0x560 [ 301.313955][ T5602] ? rt_spin_unlock+0x157/0x200 [ 301.313987][ T5602] filemap_fdatawrite+0x1ec/0x2f0 [ 301.314007][ T5602] ? trace_irq_disable+0x3b/0x140 [ 301.314025][ T5602] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 301.314077][ T5602] ? rt_spin_unlock+0x157/0x200 [ 301.314101][ T5602] ? rt_spin_unlock+0x163/0x200 [ 301.314124][ T5602] f2fs_sync_dirty_inodes+0x30e/0x830 [ 301.314156][ T5602] f2fs_write_checkpoint+0xa3d/0x2710 [ 301.314173][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 301.314215][ T5602] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 301.314288][ T5602] kill_f2fs_super+0x2f6/0x700 [ 301.314315][ T5602] ? __pfx_kill_f2fs_super+0x10/0x10 [ 301.314347][ T5602] ? call_rcu+0x64b/0x8b0 [ 301.314367][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 301.314401][ T5602] deactivate_locked_super+0xbc/0x130 [ 301.314424][ T5602] cleanup_mnt+0x3d3/0x460 [ 301.314458][ T5602] task_work_run+0x1d9/0x270 [ 301.314480][ T5602] ? __pfx_task_work_run+0x10/0x10 [ 301.314515][ T5602] exit_to_user_mode_loop+0x1fa/0x730 [ 301.314532][ T5602] ? rcu_is_watching+0x15/0xb0 [ 301.314554][ T5602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.314574][ T5602] do_syscall_64+0x353/0x580 [ 301.314593][ T5602] ? trace_irq_disable+0x3b/0x140 [ 301.314611][ T5602] ? clear_bhb_loop+0x40/0x90 [ 301.314632][ T5602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.314650][ T5602] RIP: 0033:0x7ff71977f0d7 [ 301.314667][ T5602] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 301.314681][ T5602] RSP: 002b:00007ffccc2a4718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 301.314701][ T5602] RAX: 0000000000000000 RBX: 00007ff71981330a RCX: 00007ff71977f0d7 [ 301.314713][ T5602] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffccc2a47d0 [ 301.314723][ T5602] RBP: 00007ffccc2a47d0 R08: 00007ffccc2a57d0 R09: 00000000ffffffff [ 301.314735][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffccc2a5860 [ 301.314746][ T5602] R13: 00007ff71981330a R14: 0000000000049796 R15: 00007ffccc2a58a0 [ 301.314776][ T5602] [ 301.315150][ T5602] F2FS-fs (loop0): Stopped filesystem due to reason: 3 [ 302.026584][ T1021] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 302.083104][ T8854] loop0: detected capacity change from 0 to 512 [ 302.085802][ T8854] EXT4-fs: Ignoring removed bh option [ 302.222997][ T1021] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 302.233371][ T8854] EXT4-fs (loop0): mounting ext3 file system using the ext4 subsystem [ 302.287927][ T1021] bond0 (unregistering): Released all slaves [ 302.377509][ T8854] EXT4-fs (loop0): 1 truncate cleaned up [ 302.439990][ T8854] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 302.916186][ T8038] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 303.483222][ T8411] 8021q: adding VLAN 0 to HW filter on device bond0 [ 303.545976][ T8411] 8021q: adding VLAN 0 to HW filter on device team0 [ 303.562447][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 303.563888][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 303.666889][ T3847] bridge0: port 2(bridge_slave_1) entered blocking state [ 303.666970][ T3847] bridge0: port 2(bridge_slave_1) entered forwarding state [ 304.351899][ T8038] veth0_vlan: entered promiscuous mode [ 304.865964][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 305.112222][ T5261] 8021q: adding VLAN 0 to HW filter on device eth7 [ 305.184357][ T8038] veth1_vlan: entered promiscuous mode [ 305.255254][ T8115] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 306.107780][ T8920] loop0: detected capacity change from 0 to 2048 [ 306.160672][ T8920] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 306.205405][ T8920] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 306.254037][ T8920] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 34 with error 28 [ 306.254068][ T8920] EXT4-fs (loop0): This should not happen!! Data will be lost [ 306.254068][ T8920] [ 306.254081][ T8920] EXT4-fs (loop0): Total free blocks count 0 [ 306.254092][ T8920] EXT4-fs (loop0): Free/Dirty block details [ 306.254104][ T8920] EXT4-fs (loop0): free_blocks=66060288 [ 306.254116][ T8920] EXT4-fs (loop0): dirty_blocks=48 [ 306.254127][ T8920] EXT4-fs (loop0): Block reservation details [ 306.254137][ T8920] EXT4-fs (loop0): i_reserved_data_blocks=3 [ 306.274101][ T8038] veth0_macvtap: entered promiscuous mode [ 306.316555][ T8038] veth1_macvtap: entered promiscuous mode [ 306.434442][ T8038] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 306.506601][ T8038] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 306.564487][ T3847] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 306.564888][ T3847] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 306.592160][ T3847] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 306.596360][ T3847] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 306.719062][ T5602] EXT4-fs warning (device loop0): ext4_evict_inode:195: inode #15: comm syz-executor: data will be lost [ 306.852944][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 307.537280][ T8411] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 308.235643][ T36] audit: type=1800 audit(1784955615.489:96): pid=8951 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.574" name="bTransferCharacteristics" dev="configfs" ino=14216 res=0 errno=0 [ 308.489053][ T36] audit: type=1800 audit(1784955615.739:97): pid=8957 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.575" name="bTransferCharacteristics" dev="configfs" ino=14287 res=0 errno=0 [ 308.512872][ T36] audit: type=1800 audit(1784955615.769:98): pid=8957 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.575" name="bMatrixCoefficients" dev="configfs" ino=14942 res=0 errno=0 [ 308.647119][ T8115] veth0_vlan: entered promiscuous mode [ 308.679353][ T1190] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 308.679382][ T1190] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 309.352941][ T4915] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 309.408300][ T4915] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 309.427586][ T4915] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 309.435341][ T4915] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 309.456518][ T4915] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 309.565745][ T8115] veth1_vlan: entered promiscuous mode [ 310.057180][ T8115] veth0_macvtap: entered promiscuous mode [ 310.330267][ T8964] loop3: detected capacity change from 0 to 40427 [ 310.349069][ T8964] F2FS-fs (loop3): invalid crc value [ 310.371438][ T1021] hsr_slave_0: left promiscuous mode [ 310.410655][ T1021] hsr_slave_1: left promiscuous mode [ 310.411575][ T1021] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 310.411598][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 310.471000][ T1021] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 310.471025][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 310.819862][ T8964] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 310.849280][ T1021] hsr_slave_0: left promiscuous mode [ 310.857584][ T8964] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 310.920427][ T1021] hsr_slave_1: left promiscuous mode [ 310.921365][ T1021] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 310.921387][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 310.924032][ T8964] F2FS-fs (loop3): Can't enable fs-verity on inode 10: the verity feature is not enabled on this filesystem [ 311.033461][ T1021] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 311.033485][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 311.067375][ T5598] syz-executor: attempt to access beyond end of device [ 311.067375][ T5598] loop3: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 311.116764][ T5598] CPU: 1 UID: 0 PID: 5598 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 311.116791][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 311.116802][ T5598] Call Trace: [ 311.116809][ T5598] [ 311.116818][ T5598] dump_stack_lvl+0xe8/0x150 [ 311.116849][ T5598] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 311.116881][ T5598] f2fs_write_end_io+0x124b/0x1710 [ 311.116924][ T5598] __submit_merged_bio+0x258/0x6a0 [ 311.116948][ T5598] ? rcu_is_watching+0x15/0xb0 [ 311.116976][ T5598] __submit_merged_write_cond+0x3c9/0x4e0 [ 311.117010][ T5598] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 311.117057][ T5598] f2fs_write_data_pages+0x2a27/0x36f0 [ 311.117112][ T5598] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 311.117177][ T5598] ? do_raw_spin_lock+0x12b/0x2f0 [ 311.117218][ T5598] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 311.117239][ T5598] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 311.117266][ T5598] ? reacquire_held_locks+0x104/0x190 [ 311.117297][ T5598] ? rt_spin_unlock+0x157/0x200 [ 311.117324][ T5598] ? rt_spin_unlock+0x163/0x200 [ 311.117346][ T5598] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 311.117366][ T5598] do_writepages+0x338/0x560 [ 311.117392][ T5598] ? rt_spin_unlock+0x157/0x200 [ 311.117434][ T5598] filemap_fdatawrite+0x1ec/0x2f0 [ 311.117458][ T5598] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 311.117477][ T5598] ? do_raw_spin_lock+0x12b/0x2f0 [ 311.117538][ T5598] ? rt_spin_unlock+0x157/0x200 [ 311.117566][ T5598] ? rt_spin_unlock+0x163/0x200 [ 311.117592][ T5598] f2fs_sync_dirty_inodes+0x30e/0x830 [ 311.117632][ T5598] f2fs_write_checkpoint+0xa3d/0x2710 [ 311.117652][ T5598] ? __lock_acquire+0x683/0x2ce0 [ 311.117701][ T5598] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 311.117774][ T5598] kill_f2fs_super+0x2f6/0x700 [ 311.117800][ T5598] ? __pfx_kill_f2fs_super+0x10/0x10 [ 311.117837][ T5598] ? call_rcu+0x64b/0x8b0 [ 311.117857][ T5598] ? lockdep_hardirqs_on+0x7a/0x110 [ 311.117891][ T5598] deactivate_locked_super+0xbc/0x130 [ 311.117915][ T5598] cleanup_mnt+0x3d3/0x460 [ 311.117941][ T5598] task_work_run+0x1d9/0x270 [ 311.117962][ T5598] ? __pfx_task_work_run+0x10/0x10 [ 311.117990][ T5598] exit_to_user_mode_loop+0x1fa/0x730 [ 311.118008][ T5598] ? rcu_is_watching+0x15/0xb0 [ 311.118030][ T5598] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 311.118049][ T5598] do_syscall_64+0x353/0x580 [ 311.118068][ T5598] ? trace_irq_disable+0x3b/0x140 [ 311.118086][ T5598] ? clear_bhb_loop+0x40/0x90 [ 311.118108][ T5598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 311.118125][ T5598] RIP: 0033:0x7fda77e2f0d7 [ 311.118143][ T5598] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 311.118157][ T5598] RSP: 002b:00007ffe81a57e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 311.118175][ T5598] RAX: 0000000000000000 RBX: 00007fda77ec330a RCX: 00007fda77e2f0d7 [ 311.118186][ T5598] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe81a57f00 [ 311.118197][ T5598] RBP: 00007ffe81a57f00 R08: 00007ffe81a58f00 R09: 00000000ffffffff [ 311.118209][ T5598] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe81a58f90 [ 311.118220][ T5598] R13: 00007fda77ec330a R14: 000000000004bdc8 R15: 00007ffe81a58fd0 [ 311.118250][ T5598] [ 311.118303][ T5598] F2FS-fs (loop3): Stopped filesystem due to reason: 3 [ 311.580636][ T36] audit: type=1800 audit(1784955618.829:99): pid=9001 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.0.579" name="bMatrixCoefficients" dev="configfs" ino=15030 res=0 errno=0 [ 311.590171][ T4915] Bluetooth: hci5: command tx timeout [ 311.745353][ T1021] veth1_macvtap: left promiscuous mode [ 311.747671][ T1021] veth0_macvtap: left promiscuous mode [ 311.747932][ T1021] veth1_vlan: left promiscuous mode [ 311.748112][ T1021] veth0_vlan: left promiscuous mode [ 311.992554][ T1021] veth1_macvtap: left promiscuous mode [ 311.992701][ T1021] veth0_macvtap: left promiscuous mode [ 311.992949][ T1021] veth1_vlan: left promiscuous mode [ 311.993119][ T1021] veth0_vlan: left promiscuous mode [ 312.136966][ T36] audit: type=1800 audit(1784955619.389:100): pid=9007 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.577" name="bTransferCharacteristics" dev="configfs" ino=15042 res=0 errno=0 [ 312.238991][ T9009] loop3: detected capacity change from 0 to 128 [ 312.251833][ T9009] EXT4-fs (loop3): Test dummy encryption mode enabled [ 312.275367][ T9009] EXT4-fs (loop3): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none. [ 312.275773][ T9009] ext4 filesystem being mounted at /146/mnt supports timestamps until 2038-01-19 (0x7fffffff) [ 312.462149][ T9005] loop0: detected capacity change from 0 to 40427 [ 312.486037][ T9005] F2FS-fs (loop0): build fault injection rate: 174 [ 312.486058][ T9005] F2FS-fs (loop0): build fault injection type: 0x3bfe8c [ 312.587147][ T5598] EXT4-fs (loop3): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. [ 312.638536][ T9005] F2FS-fs (loop0): invalid crc value [ 312.791775][ T36] audit: type=1800 audit(1784955620.049:101): pid=9017 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.583" name="bTransferCharacteristics" dev="configfs" ino=15054 res=0 errno=0 [ 312.836762][ T36] audit: type=1800 audit(1784955620.049:102): pid=9017 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.583" name="bMatrixCoefficients" dev="configfs" ino=15055 res=0 errno=0 [ 313.051003][ T9005] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 313.104576][ T9020] loop3: detected capacity change from 0 to 4096 [ 313.158520][ T5605] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 313.158813][ T9005] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 313.174767][ T9020] EXT4-fs: Ignoring removed orlov option [ 313.249213][ T9020] EXT4-fs (loop3): Test dummy encryption mode enabled [ 313.254574][ T5605] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 313.257340][ T5605] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 313.288237][ T5605] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 313.293219][ T5605] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 313.325354][ T9020] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 313.671409][ T4915] Bluetooth: hci5: command tx timeout [ 313.755980][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 314.073575][ T36] audit: type=1800 audit(1784955621.329:103): pid=9033 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.587" name="bMatrixCoefficients" dev="configfs" ino=15083 res=0 errno=0 [ 314.407345][ T36] audit: type=1800 audit(1784955621.659:104): pid=9037 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.589" name="bTransferCharacteristics" dev="configfs" ino=15098 res=0 errno=0 [ 314.835766][ T36] audit: type=1800 audit(1784955622.089:105): pid=9042 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.591" name="bMatrixCoefficients" dev="configfs" ino=15101 res=0 errno=0 [ 314.910251][ T1021] team0 (unregistering): Port device team_slave_1 removed [ 314.971201][ T1021] team0 (unregistering): Port device team_slave_0 removed [ 315.509431][ T4915] Bluetooth: hci3: command tx timeout [ 315.612793][ T9046] loop0: detected capacity change from 0 to 40427 [ 315.715363][ T9046] F2FS-fs (loop0): Image doesn't support compression [ 315.715387][ T9046] F2FS-fs (loop0): build fault injection type: 0x4 [ 315.716429][ T9046] F2FS-fs (loop0): invalid crc value [ 315.749299][ T4915] Bluetooth: hci5: command tx timeout [ 315.990621][ T9046] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 316.022448][ T9046] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 316.135438][ T9046] syz.0.586: attempt to access beyond end of device [ 316.135438][ T9046] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 316.166816][ T9046] CPU: 1 UID: 0 PID: 9046 Comm: syz.0.586 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 316.166835][ T9046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 316.166841][ T9046] Call Trace: [ 316.166847][ T9046] [ 316.166852][ T9046] dump_stack_lvl+0xe8/0x150 [ 316.166875][ T9046] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 316.166896][ T9046] f2fs_write_end_io+0x124b/0x1710 [ 316.166918][ T9046] __submit_merged_bio+0x258/0x6a0 [ 316.166934][ T9046] ? rcu_is_watching+0x15/0xb0 [ 316.166949][ T9046] __submit_merged_write_cond+0x3c9/0x4e0 [ 316.166968][ T9046] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 316.166995][ T9046] f2fs_write_data_pages+0x2a27/0x36f0 [ 316.167026][ T9046] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 316.167086][ T9046] ? do_raw_spin_lock+0x12b/0x2f0 [ 316.167136][ T9046] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 316.167152][ T9046] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 316.167169][ T9046] ? reacquire_held_locks+0x104/0x190 [ 316.167187][ T9046] ? rt_spin_unlock+0x157/0x200 [ 316.167203][ T9046] ? rt_spin_unlock+0x163/0x200 [ 316.167216][ T9046] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 316.167228][ T9046] do_writepages+0x338/0x560 [ 316.167242][ T9046] ? rt_spin_unlock+0x157/0x200 [ 316.167261][ T9046] filemap_fdatawrite+0x1ec/0x2f0 [ 316.167275][ T9046] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 316.167285][ T9046] ? do_raw_spin_lock+0x12b/0x2f0 [ 316.167319][ T9046] ? rt_spin_unlock+0x157/0x200 [ 316.167335][ T9046] ? rt_spin_unlock+0x163/0x200 [ 316.167350][ T9046] f2fs_sync_dirty_inodes+0x30e/0x830 [ 316.167369][ T9046] f2fs_write_checkpoint+0xa3d/0x2710 [ 316.167398][ T9046] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 316.167433][ T9046] ? rcu_is_watching+0x15/0xb0 [ 316.167448][ T9046] f2fs_issue_checkpoint+0x424/0x6f0 [ 316.167464][ T9046] ? __pfx_f2fs_issue_checkpoint+0x10/0x10 [ 316.167475][ T9046] ? __kasan_slab_free+0x5c/0x80 [ 316.167484][ T9046] ? kmem_cache_free+0x187/0x6c0 [ 316.167494][ T9046] ? f2fs_create+0x456/0x690 [ 316.167506][ T9046] ? path_openat+0x1344/0x3850 [ 316.167520][ T9046] ? do_raw_spin_lock+0x12b/0x2f0 [ 316.167536][ T9046] ? do_raw_spin_lock+0x12b/0x2f0 [ 316.167558][ T9046] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 316.167569][ T9046] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 316.167595][ T9046] ? f2fs_sync_fs+0x1f2/0x3c0 [ 316.167610][ T9046] f2fs_create+0x516/0x690 [ 316.167629][ T9046] ? __pfx_f2fs_create+0x10/0x10 [ 316.167645][ T9046] ? bpf_lsm_inode_permission+0x9/0x20 [ 316.167657][ T9046] ? security_inode_permission+0xb7/0x2e0 [ 316.167669][ T9046] ? may_o_create+0x2d2/0x370 [ 316.167680][ T9046] ? bpf_lsm_inode_create+0x9/0x20 [ 316.167693][ T9046] ? __pfx_f2fs_create+0x10/0x10 [ 316.167705][ T9046] path_openat+0x1344/0x3850 [ 316.167736][ T9046] do_file_open+0x23e/0x4a0 [ 316.167748][ T9046] ? lockdep_hardirqs_on+0x7a/0x110 [ 316.167761][ T9046] ? __pfx_do_file_open+0x10/0x10 [ 316.167786][ T9046] ? alloc_fd+0x654/0x6d0 [ 316.167802][ T9046] do_sys_openat2+0x115/0x200 [ 316.167812][ T9046] ? __se_sys_futex+0x3a8/0x450 [ 316.167825][ T9046] ? __pfx_do_sys_openat2+0x10/0x10 [ 316.167838][ T9046] ? rcu_is_watching+0x15/0xb0 [ 316.167852][ T9046] __x64_sys_openat+0x138/0x170 [ 316.167864][ T9046] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 316.167875][ T9046] do_syscall_64+0x174/0x580 [ 316.167886][ T9046] ? trace_irq_disable+0x3b/0x140 [ 316.167896][ T9046] ? clear_bhb_loop+0x40/0x90 [ 316.167907][ T9046] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 316.167917][ T9046] RIP: 0033:0x7ff71977de99 [ 316.167928][ T9046] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 316.167936][ T9046] RSP: 002b:00007ff7179d6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 316.167948][ T9046] RAX: ffffffffffffffda RBX: 00007ff719a05fa0 RCX: 00007ff71977de99 [ 316.167955][ T9046] RDX: 0000000000000042 RSI: 00002000000002c0 RDI: ffffffffffffff9c [ 316.167962][ T9046] RBP: 00007ff719813eaf R08: 0000000000000000 R09: 0000000000000000 [ 316.167969][ T9046] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 316.167975][ T9046] R13: 00007ff719a06038 R14: 00007ff719a05fa0 R15: 00007ffccc2a54a8 [ 316.167995][ T9046] [ 316.180251][ T9046] F2FS-fs (loop0): Stopped filesystem due to reason: 3 [ 316.822926][ T1021] team0 (unregistering): Port device team_slave_1 removed [ 316.976357][ T1021] team0 (unregistering): Port device team_slave_0 removed [ 317.122045][ T1338] ieee802154 phy0 wpan0: encryption failed: -22 [ 317.122112][ T1338] ieee802154 phy1 wpan1: encryption failed: -22 [ 317.267403][ T9048] loop3: detected capacity change from 0 to 131072 [ 317.279769][ T9048] F2FS-fs (loop3): Test dummy encryption mode enabled [ 317.280965][ T9048] F2FS-fs (loop3): invalid crc value [ 317.581406][ T9048] F2FS-fs (loop3): access invalid blkaddr:0 [ 317.581433][ T9048] CPU: 0 UID: 0 PID: 9048 Comm: syz.3.593 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 317.581456][ T9048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 317.581469][ T9048] Call Trace: [ 317.581476][ T9048] [ 317.581484][ T9048] dump_stack_lvl+0xe8/0x150 [ 317.581520][ T9048] __f2fs_is_valid_blkaddr+0xe62/0x14f0 [ 317.581549][ T9048] sanity_check_extent_cache+0x1a3/0x620 [ 317.581572][ T9048] ? f2fs_sanity_check_inline_data+0x70/0x740 [ 317.581602][ T9048] f2fs_iget+0x3f18/0x5cd0 [ 317.581658][ T9048] f2fs_fill_super+0x4e88/0x7760 [ 317.581716][ T9048] get_tree_bdev_flags+0x430/0x4f0 [ 317.581742][ T9048] ? __pfx_f2fs_fill_super+0x10/0x10 [ 317.581762][ T9048] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 317.581785][ T9048] ? safesetid_security_capable+0xa9/0x1a0 [ 317.581814][ T9048] vfs_get_tree+0x92/0x2a0 [ 317.581841][ T9048] do_new_mount+0x319/0xdc0 [ 317.581862][ T9048] ? cap_capable+0x123/0x460 [ 317.581886][ T9048] ? __pfx_do_new_mount+0x10/0x10 [ 317.581906][ T9048] ? ns_capable+0x89/0xe0 [ 317.581934][ T9048] ? path_mount+0x647/0x1040 [ 317.581954][ T9048] ? user_path_at+0xd4/0x160 [ 317.581980][ T9048] __se_sys_mount+0x31d/0x420 [ 317.582005][ T9048] ? __pfx___se_sys_mount+0x10/0x10 [ 317.582031][ T9048] ? __x64_sys_mount+0x20/0xc0 [ 317.582051][ T9048] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 317.582083][ T9048] do_syscall_64+0x174/0x580 [ 317.582106][ T9048] ? trace_irq_disable+0x3b/0x140 [ 317.582126][ T9048] ? clear_bhb_loop+0x40/0x90 [ 317.582149][ T9048] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 317.582168][ T9048] RIP: 0033:0x7fda77e2f10a [ 317.582187][ T9048] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 317.582205][ T9048] RSP: 002b:00007fda76085e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 317.582225][ T9048] RAX: ffffffffffffffda RBX: 00007fda76085ee0 RCX: 00007fda77e2f10a [ 317.582240][ T9048] RDX: 0000200000000100 RSI: 00002000000000c0 RDI: 00007fda76085ea0 [ 317.582255][ T9048] RBP: 0000200000000100 R08: 00007fda76085ee0 R09: 0000000000000010 [ 317.582269][ T9048] R10: 0000000000000010 R11: 0000000000000246 R12: 00002000000000c0 [ 317.582282][ T9048] R13: 00007fda76085ea0 R14: 00000000000105eb R15: 0000200000000280 [ 317.582310][ T9048] [ 317.593259][ T4915] Bluetooth: hci3: command tx timeout [ 317.636424][ T8115] veth1_macvtap: entered promiscuous mode [ 317.674066][ T36] audit: type=1800 audit(1784955624.909:106): pid=9058 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.0.595" name="bMatrixCoefficients" dev="configfs" ino=15516 res=0 errno=0 [ 317.695245][ T9048] loop3: lost filesystem error report for type 5 error -117 [ 317.695265][ T9048] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=3) extent info [0, 0, 4128768] is incorrect, run fsck to fix [ 317.695330][ T9048] loop3: lost filesystem error report for type 5 error -117 [ 317.695343][ T9048] loop3: lost file I/O error report for ino 3 type 5 pos 0x0 len 0x0 error -117 [ 317.695625][ T9048] F2FS-fs (loop3): Failed to read root inode [ 317.831306][ T4915] Bluetooth: hci5: command tx timeout [ 317.932800][ T5261] 8021q: adding VLAN 0 to HW filter on device eth8 [ 318.332071][ T9064] loop0: detected capacity change from 0 to 1024 [ 318.374598][ T9064] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 318.397100][ T8411] veth0_vlan: entered promiscuous mode [ 318.536659][ T8411] veth1_vlan: entered promiscuous mode [ 319.005214][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 319.006032][ T8411] veth0_macvtap: entered promiscuous mode [ 319.037553][ T8411] veth1_macvtap: entered promiscuous mode [ 319.221528][ T8411] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 319.322838][ T8411] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 319.674228][ T4915] Bluetooth: hci3: command tx timeout [ 319.777607][ T9092] fuse: Bad value for 'fd' [ 320.232216][ T3807] netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 320.237046][ T5261] 8021q: adding VLAN 0 to HW filter on device eth9 [ 320.255860][ T9098] loop3: detected capacity change from 0 to 4096 [ 320.267134][ T9098] EXT4-fs: inline encryption not supported [ 320.285233][ T9098] EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled [ 320.285252][ T9098] EXT4-fs (loop3): Test dummy encryption mode enabled [ 320.348063][ T3807] netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 320.372524][ T9098] [EXT4 FS bs=4096, gc=1, bpg=524288, ipg=32, mo=280ec1a8, mo2=0003] [ 320.372648][ T9098] System zones: 0-5 [ 320.385298][ T9098] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 320.407830][ T3807] netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 320.620878][ T3807] netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 320.703187][ T36] audit: type=1804 audit(1784955627.929:107): pid=9098 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz.3.601" name="/newroot/159/file0/file0/file1" dev="loop3" ino=22 res=1 errno=0 [ 320.703230][ T36] audit: type=1800 audit(1784955627.939:108): pid=9106 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.0.603" name="bMatrixCoefficients" dev="configfs" ino=15635 res=0 errno=0 [ 321.006895][ T9108] loop0: detected capacity change from 0 to 512 [ 321.426489][ T9108] FAT-fs (loop0): error, fat_free_clusters: deleting FAT entry beyond EOF [ 321.426506][ T9108] FAT-fs (loop0): Filesystem has been set read-only [ 321.762340][ T4915] Bluetooth: hci3: command tx timeout [ 322.438124][ T3807] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 322.438138][ T3807] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 322.559227][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 322.903943][ T9122] loop0: detected capacity change from 0 to 1024 [ 323.025609][ T9122] EXT4-fs (loop0): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 323.025728][ T9122] ext4 filesystem being mounted at /191/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 323.480668][ T3807] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 323.480688][ T3807] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 323.602077][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 323.819519][ T9138] fuse: Bad value for 'fd' [ 323.895587][ T5261] 8021q: adding VLAN 0 to HW filter on device eth10 [ 324.061643][ T9120] loop3: detected capacity change from 0 to 40427 [ 324.067536][ T9120] F2FS-fs (loop3): Invalid log_blocksize (268), supports only 12 [ 324.067560][ T9120] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 324.101527][ T9120] F2FS-fs (loop3): invalid crc value [ 324.312108][ T8974] bridge0: port 1(bridge_slave_0) entered blocking state [ 324.312207][ T8974] bridge0: port 1(bridge_slave_0) entered disabled state [ 324.312405][ T8974] bridge_slave_0: entered allmulticast mode [ 324.352178][ T8974] bridge_slave_0: entered promiscuous mode [ 324.375554][ T8974] bridge0: port 2(bridge_slave_1) entered blocking state [ 324.375636][ T8974] bridge0: port 2(bridge_slave_1) entered disabled state [ 324.375786][ T8974] bridge_slave_1: entered allmulticast mode [ 324.436383][ T8974] bridge_slave_1: entered promiscuous mode [ 324.594603][ T9120] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 324.640966][ T36] audit: type=1800 audit(1784955631.879:109): pid=9155 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.0.611" name="bMatrixCoefficients" dev="configfs" ino=15931 res=0 errno=0 [ 324.854539][ T8974] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 324.901602][ T9120] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 324.901632][ T9120] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 324.945077][ T9160] loop7: detected capacity change from 0 to 2048 [ 324.967593][ T9161] loop0: detected capacity change from 0 to 256 [ 325.055896][ T8974] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 325.467768][ T9160] EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 325.738955][ T8411] EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.464481][ T9186] loop7: detected capacity change from 0 to 512 [ 326.465741][ T9186] EXT4-fs: Ignoring removed i_version option [ 326.465762][ T9186] EXT4-fs: Ignoring removed mblk_io_submit option [ 326.551765][ T9186] EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 326.680058][ T5261] 8021q: adding VLAN 0 to HW filter on device eth11 [ 326.693679][ T8974] team0: Port device team_slave_0 added [ 326.760186][ T8411] EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.815138][ T8974] team0: Port device team_slave_1 added [ 326.919656][ T9169] loop0: detected capacity change from 0 to 40427 [ 326.923371][ T9169] F2FS-fs (loop0): Invalid log_blocksize (268), supports only 12 [ 326.923393][ T9169] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 326.926115][ T9169] F2FS-fs (loop0): invalid crc_offset: 33558524 [ 327.052505][ T9169] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 327.076554][ T9169] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 327.076582][ T9169] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 327.342715][ T36] audit: type=1800 audit(1784955634.599:110): pid=9196 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.614" name="bMatrixCoefficients" dev="configfs" ino=15282 res=0 errno=0 [ 327.453304][ T9200] loop7: detected capacity change from 0 to 512 [ 327.817403][ T9200] EXT4-fs (loop7): feature flags set on rev 0 fs, running e2fsck is recommended [ 327.817427][ T9200] EXT4-fs (loop7): mounting ext2 file system using the ext4 subsystem [ 327.863800][ T9200] EXT4-fs (loop7): warning: mounting unchecked fs, running e2fsck is recommended [ 327.876031][ T9200] [EXT4 FS bs=2048, gc=1, bpg=16384, ipg=32, mo=a002e01c, mo2=0006] [ 327.876136][ T9200] System zones: 0-2, 18-18, 34-35 [ 328.052052][ T9200] EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 328.306913][ T9018] bridge0: port 1(bridge_slave_0) entered blocking state [ 328.307010][ T9018] bridge0: port 1(bridge_slave_0) entered disabled state [ 328.307214][ T9018] bridge_slave_0: entered allmulticast mode [ 328.361360][ T9018] bridge_slave_0: entered promiscuous mode [ 328.455160][ T9018] bridge0: port 2(bridge_slave_1) entered blocking state [ 328.455255][ T9018] bridge0: port 2(bridge_slave_1) entered disabled state [ 328.455430][ T9018] bridge_slave_1: entered allmulticast mode [ 328.457489][ T9018] bridge_slave_1: entered promiscuous mode [ 328.489561][ T8974] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 328.489577][ T8974] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 328.489597][ T8974] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 328.575090][ T8974] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 328.575104][ T8974] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 328.575122][ T8974] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 328.980026][ T8411] EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 329.499366][ T9018] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 329.630878][ T9018] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 329.854023][ T9215] loop3: detected capacity change from 0 to 1024 [ 329.885837][ T8974] hsr_slave_0: entered promiscuous mode [ 329.887110][ T8974] hsr_slave_1: entered promiscuous mode [ 329.888090][ T8974] debugfs: 'hsr0' already exists in 'hsr' [ 329.888112][ T8974] Cannot create hsr debugfs directory [ 329.922176][ T9018] team0: Port device team_slave_0 added [ 329.965158][ T9018] team0: Port device team_slave_1 added [ 329.966796][ T9215] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 330.198058][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 330.487702][ T36] audit: type=1800 audit(1784955637.739:111): pid=9227 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.628" name="bMatrixCoefficients" dev="configfs" ino=16031 res=0 errno=0 [ 330.666921][ T9229] loop0: detected capacity change from 0 to 1024 [ 330.668188][ T9229] EXT4-fs: Ignoring removed orlov option [ 330.711855][ T9229] EXT4-fs (loop0): can't mount with journal_async_commit, fs mounted w/o journal [ 331.056165][ T9246] fuse: Bad value for 'fd' [ 331.245016][ T9250] overlayfs: failed to resolve './file1/file0': -2 [ 331.547799][ T5261] 8021q: adding VLAN 0 to HW filter on device eth12 [ 331.584993][ T36] audit: type=1800 audit(1784955638.829:112): pid=9263 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.638" name="bMatrixCoefficients" dev="configfs" ino=16414 res=0 errno=0 [ 331.731017][ T9018] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 331.731032][ T9018] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 331.731053][ T9018] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 331.843998][ T9018] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 331.844013][ T9018] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 331.844034][ T9018] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 331.865480][ T9271] loop7: detected capacity change from 0 to 16 [ 331.961615][ T9271] erofs (device loop7): mounted with root inode @ nid 36. [ 332.021062][ T9274] overlayfs: failed to resolve './file1/file0': -2 [ 332.451644][ T9018] hsr_slave_0: entered promiscuous mode [ 332.455332][ T9018] hsr_slave_1: entered promiscuous mode [ 332.456188][ T9018] debugfs: 'hsr0' already exists in 'hsr' [ 332.456209][ T9018] Cannot create hsr debugfs directory [ 332.503242][ T36] audit: type=1800 audit(1784955639.749:113): pid=9286 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.3.649" name="bMatrixCoefficients" dev="configfs" ino=16146 res=0 errno=0 [ 332.666412][ T9291] overlayfs: overlapping lowerdir path [ 332.906992][ T9296] loop0: detected capacity change from 0 to 512 [ 332.931757][ T9296] FAT-fs (loop0): Invalid FSINFO signature: 0x41615252, 0x61000000 (sector = 1) [ 333.160626][ T42] FAT-fs (loop0): Invalid FSINFO signature: 0x41615252, 0x61000000 (sector = 1) [ 333.420739][ T9304] overlayfs: failed to resolve './file1/file0': -2 [ 333.713825][ T9294] loop3: detected capacity change from 0 to 40427 [ 333.770797][ T9294] F2FS-fs (loop3): Invalid log_blocksize (268), supports only 12 [ 333.770822][ T9294] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 333.797531][ T9294] F2FS-fs (loop3): invalid crc_offset: 33558524 [ 333.932686][ T36] audit: type=1800 audit(1784955641.189:114): pid=9315 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz.0.658" name="bMatrixCoefficients" dev="configfs" ino=16560 res=0 errno=0 [ 334.132023][ T9294] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 334.234481][ T8974] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 334.289824][ T9319] overlayfs: overlapping lowerdir path [ 334.444335][ T9294] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 334.444364][ T9294] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 334.692162][ T9309] loop7: detected capacity change from 0 to 40427 [ 334.696225][ T9309] f2fs: Bad value for 'memory' [ 335.082141][ T9327] loop7: detected capacity change from 0 to 128 [ 335.083890][ T9327] EXT4-fs: Ignoring removed orlov option [ 335.084768][ T9327] EXT4-fs (loop7): Test dummy encryption mode enabled [ 335.115860][ T9327] EXT4-fs (loop7): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none. [ 335.143434][ T9327] ext4 filesystem being mounted at /17/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 335.622121][ T9323] loop0: detected capacity change from 0 to 40427 [ 335.668293][ T9323] F2FS-fs (loop0): Invalid log_blocksize (268), supports only 12 [ 335.668317][ T9323] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 335.708171][ T9323] F2FS-fs (loop0): invalid crc value [ 335.757204][ T36] audit: type=1800 audit(1784955643.009:115): pid=9324 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.650" name="file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" dev="loop3" ino=12 res=0 errno=0 [ 335.831490][ T8411] EXT4-fs (loop7): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. [ 335.952276][ T8974] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 336.132068][ T9337] overlayfs: failed to resolve './file1/file0': -2 [ 336.156381][ T9323] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 336.516405][ T9323] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 336.516447][ T9323] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 336.619759][ T9341] loop7: detected capacity change from 0 to 4096 [ 336.673711][ T9341] EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 337.256991][ T8974] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 337.398070][ T8411] EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 337.809491][ T9357] overlayfs: overlapping lowerdir path [ 338.186623][ T9367] loop7: detected capacity change from 0 to 256 [ 338.217030][ T9367] FAT-fs (loop7): data area starts beyond volume (274 > 64) [ 338.217052][ T9367] FAT-fs (loop7): Can't find a valid FAT filesystem [ 338.408643][ T8974] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 338.464462][ T5261] 8021q: adding VLAN 0 to HW filter on device eth13 [ 338.523126][ T9374] loop3: detected capacity change from 0 to 1024 [ 338.532678][ T9374] EXT4-fs: Ignoring removed oldalloc option [ 338.532726][ T9374] EXT4-fs: Ignoring removed bh option [ 338.697431][ T9374] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 338.697515][ T9374] ext4 filesystem being mounted at /179/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 338.775803][ T9374] EXT4-fs error (device loop3): ext4_free_blocks:6718: comm syz.3.673: Freeing blocks not in datazone - block = 0, count = 16 [ 338.827482][ T9374] EXT4-fs (loop3): Remounting filesystem read-only [ 339.010620][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 339.199397][ T9389] loop0: detected capacity change from 0 to 512 [ 339.240126][ T9389] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 339.252278][ T9389] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 339.312682][ T9389] EXT4-fs (loop0): 1 truncate cleaned up [ 339.331429][ T9389] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 339.470547][ T9371] loop7: detected capacity change from 0 to 40427 [ 339.506793][ T9371] F2FS-fs (loop7): Invalid log_blocksize (268), supports only 12 [ 339.506816][ T9371] F2FS-fs (loop7): Can't find valid F2FS filesystem in 1th superblock [ 339.536654][ T9371] F2FS-fs (loop7): invalid crc value [ 339.574490][ T1021] bridge_slave_1: left allmulticast mode [ 339.574527][ T1021] bridge_slave_1: left promiscuous mode [ 339.574736][ T1021] bridge0: port 2(bridge_slave_1) entered disabled state [ 339.759263][ T1021] bridge_slave_0: left allmulticast mode [ 339.759309][ T1021] bridge_slave_0: left promiscuous mode [ 339.759550][ T1021] bridge0: port 1(bridge_slave_0) entered disabled state [ 339.880971][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 339.970189][ T9371] F2FS-fs (loop7): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 340.087603][ T9408] overlayfs: failed to resolve './file1/file0': -2 [ 340.332629][ T9371] F2FS-fs (loop7): Try to recover 1th superblock, ret: 0 [ 340.332656][ T9371] F2FS-fs (loop7): Mounted with checkpoint version = 48b305e5 [ 340.379555][ T1021] bridge_slave_1: left allmulticast mode [ 340.379586][ T1021] bridge_slave_1: left promiscuous mode [ 340.379814][ T1021] bridge0: port 2(bridge_slave_1) entered disabled state [ 340.609374][ T1021] bridge_slave_0: left allmulticast mode [ 340.609408][ T1021] bridge_slave_0: left promiscuous mode [ 340.609643][ T1021] bridge0: port 1(bridge_slave_0) entered disabled state [ 340.825096][ T9405] loop3: detected capacity change from 0 to 40427 [ 340.829261][ T9405] F2FS-fs (loop3): Corrupted extension count (64 + 1 > 64) [ 340.829283][ T9405] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 340.876534][ T9405] F2FS-fs (loop3): invalid crc value [ 340.925453][ T9415] loop0: detected capacity change from 0 to 40427 [ 340.960404][ T9415] F2FS-fs (loop0): invalid crc value [ 341.071294][ T9415] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1 [ 341.231901][ T9415] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0 [ 341.231920][ T9415] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0 [ 341.231955][ T9415] F2FS-fs (loop0): Start checkpoint disabled! [ 341.428855][ T9405] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 341.594288][ T9405] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 341.594315][ T9405] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 341.701230][ T9416] f2fs_ckpt-7:3: attempt to access beyond end of device [ 341.701230][ T9416] loop3: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 341.745530][ T9416] CPU: 1 UID: 0 PID: 9416 Comm: f2fs_ckpt-7:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 341.745552][ T9416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 341.745558][ T9416] Call Trace: [ 341.745562][ T9416] [ 341.745567][ T9416] dump_stack_lvl+0xe8/0x150 [ 341.745587][ T9416] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 341.745606][ T9416] f2fs_write_end_io+0x124b/0x1710 [ 341.745633][ T9416] __submit_merged_bio+0x258/0x6a0 [ 341.745658][ T9416] ? rcu_is_watching+0x15/0xb0 [ 341.745675][ T9416] __submit_merged_write_cond+0x3c9/0x4e0 [ 341.745694][ T9416] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 341.745720][ T9416] f2fs_write_data_pages+0x2a27/0x36f0 [ 341.745749][ T9416] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 341.745783][ T9416] ? do_raw_spin_lock+0x12b/0x2f0 [ 341.745806][ T9416] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 341.745818][ T9416] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 341.745834][ T9416] ? reacquire_held_locks+0x104/0x190 [ 341.745850][ T9416] ? rt_spin_unlock+0x157/0x200 [ 341.745866][ T9416] ? rt_spin_unlock+0x163/0x200 [ 341.745878][ T9416] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 341.745889][ T9416] do_writepages+0x338/0x560 [ 341.745911][ T9416] ? rt_spin_unlock+0x157/0x200 [ 341.745942][ T9416] filemap_fdatawrite+0x1ec/0x2f0 [ 341.745964][ T9416] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 341.745978][ T9416] ? do_raw_spin_lock+0x12b/0x2f0 [ 341.746028][ T9416] ? rt_spin_unlock+0x157/0x200 [ 341.746046][ T9416] ? rt_spin_unlock+0x163/0x200 [ 341.746061][ T9416] f2fs_sync_dirty_inodes+0x30e/0x830 [ 341.746080][ T9416] f2fs_write_checkpoint+0xa3d/0x2710 [ 341.746108][ T9416] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 341.746142][ T9416] ? rcu_is_watching+0x15/0xb0 [ 341.746157][ T9416] __checkpoint_and_complete_reqs+0x135/0x480 [ 341.746170][ T9416] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 341.746187][ T9416] ? __pfx___checkpoint_and_complete_reqs+0x10/0x10 [ 341.746198][ T9416] ? rt_spin_lock+0x1e0/0x400 [ 341.746219][ T9416] ? schedule+0x90/0x2b0 [ 341.746233][ T9416] issue_checkpoint_thread+0xd5/0x270 [ 341.746246][ T9416] ? __pfx_issue_checkpoint_thread+0x10/0x10 [ 341.746258][ T9416] ? __pfx_autoremove_wake_function+0x10/0x10 [ 341.746273][ T9416] ? __kthread_parkme+0x71/0x1f0 [ 341.746288][ T9416] ? __kthread_parkme+0x196/0x1f0 [ 341.746303][ T9416] kthread+0x388/0x470 [ 341.746316][ T9416] ? __pfx_issue_checkpoint_thread+0x10/0x10 [ 341.746326][ T9416] ? __pfx_kthread+0x10/0x10 [ 341.746340][ T9416] ret_from_fork+0x514/0xb70 [ 341.746357][ T9416] ? __pfx_ret_from_fork+0x10/0x10 [ 341.746370][ T9416] ? __switch_to+0xc89/0x1420 [ 341.746385][ T9416] ? __pfx_kthread+0x10/0x10 [ 341.746399][ T9416] ret_from_fork_asm+0x1a/0x30 [ 341.746418][ T9416] [ 341.746422][ T9416] F2FS-fs (loop3): Stopped filesystem due to reason: 3 [ 341.799562][ T9415] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0 [ 341.808399][ T9415] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6 [ 343.001456][ T9436] loop0: detected capacity change from 0 to 1024 [ 343.093841][ T9439] overlayfs: failed to resolve './file1/file0': -2 [ 343.217114][ T9436] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 343.605758][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 343.748574][ T9450] loop0: detected capacity change from 0 to 256 [ 343.764241][ T9450] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 343.764258][ T9450] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 343.772334][ T9450] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 343.783474][ T9450] exFAT-fs (loop0): failed to load alloc-bitmap [ 343.783488][ T9450] exFAT-fs (loop0): failed to recognize exfat type [ 343.930885][ T1021] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 344.091385][ T9447] loop3: detected capacity change from 0 to 40427 [ 344.101977][ T9447] F2FS-fs (loop3): Invalid log_blocksize (268), supports only 12 [ 344.101992][ T9447] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 344.105816][ T9447] F2FS-fs (loop3): invalid crc_offset: 33558524 [ 344.114560][ T1021] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 344.176556][ T1021] bond0 (unregistering): Released all slaves [ 344.353667][ T9447] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 344.373066][ T9445] loop7: detected capacity change from 0 to 40427 [ 344.377593][ T9445] F2FS-fs (loop7): invalid crc value [ 344.390531][ T9447] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0 [ 344.390558][ T9447] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 344.754559][ T36] audit: type=1800 audit(1784955652.009:116): pid=9458 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.689" name="file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" dev="loop3" ino=12 res=0 errno=0 [ 344.760870][ T9445] F2FS-fs (loop7): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 344.892511][ T9445] F2FS-fs (loop7): Mounted with checkpoint version = 48b305e5 [ 345.212475][ T8411] syz-executor: attempt to access beyond end of device [ 345.212475][ T8411] loop7: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 345.242283][ T8411] CPU: 1 UID: 0 PID: 8411 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 345.242302][ T8411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 345.242309][ T8411] Call Trace: [ 345.242315][ T8411] [ 345.242321][ T8411] dump_stack_lvl+0xe8/0x150 [ 345.242341][ T8411] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 345.242361][ T8411] f2fs_write_end_io+0x124b/0x1710 [ 345.242383][ T8411] __submit_merged_bio+0x258/0x6a0 [ 345.242397][ T8411] ? rcu_is_watching+0x15/0xb0 [ 345.242413][ T8411] __submit_merged_write_cond+0x3c9/0x4e0 [ 345.242432][ T8411] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 345.242457][ T8411] f2fs_write_data_pages+0x2a27/0x36f0 [ 345.242487][ T8411] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 345.242520][ T8411] ? do_raw_spin_lock+0x12b/0x2f0 [ 345.242544][ T8411] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 345.242556][ T8411] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 345.242572][ T8411] ? reacquire_held_locks+0x104/0x190 [ 345.242589][ T8411] ? rt_spin_unlock+0x157/0x200 [ 345.242616][ T8411] ? rt_spin_unlock+0x163/0x200 [ 345.242628][ T8411] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 345.242639][ T8411] do_writepages+0x338/0x560 [ 345.242655][ T8411] ? rt_spin_unlock+0x157/0x200 [ 345.242673][ T8411] filemap_fdatawrite+0x1ec/0x2f0 [ 345.242687][ T8411] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 345.242697][ T8411] ? do_raw_spin_lock+0x12b/0x2f0 [ 345.242729][ T8411] ? rt_spin_unlock+0x157/0x200 [ 345.242745][ T8411] ? rt_spin_unlock+0x163/0x200 [ 345.242760][ T8411] f2fs_sync_dirty_inodes+0x30e/0x830 [ 345.242778][ T8411] f2fs_write_checkpoint+0xa3d/0x2710 [ 345.242789][ T8411] ? __lock_acquire+0x683/0x2ce0 [ 345.242815][ T8411] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 345.242852][ T8411] kill_f2fs_super+0x2f6/0x700 [ 345.242867][ T8411] ? __pfx_kill_f2fs_super+0x10/0x10 [ 345.242884][ T8411] ? call_rcu+0x64b/0x8b0 [ 345.242895][ T8411] ? lockdep_hardirqs_on+0x7a/0x110 [ 345.242913][ T8411] deactivate_locked_super+0xbc/0x130 [ 345.242926][ T8411] cleanup_mnt+0x3d3/0x460 [ 345.242941][ T8411] task_work_run+0x1d9/0x270 [ 345.242953][ T8411] ? __pfx_task_work_run+0x10/0x10 [ 345.242968][ T8411] exit_to_user_mode_loop+0x1fa/0x730 [ 345.242978][ T8411] ? rcu_is_watching+0x15/0xb0 [ 345.242990][ T8411] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 345.243001][ T8411] do_syscall_64+0x353/0x580 [ 345.243012][ T8411] ? trace_irq_disable+0x3b/0x140 [ 345.243022][ T8411] ? clear_bhb_loop+0x40/0x90 [ 345.243034][ T8411] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 345.243044][ T8411] RIP: 0033:0x7f3ccf27f0d7 [ 345.243055][ T8411] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 345.243063][ T8411] RSP: 002b:00007fff145e2e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 345.243074][ T8411] RAX: 0000000000000000 RBX: 00007f3ccf31330a RCX: 00007f3ccf27f0d7 [ 345.243081][ T8411] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff145e2ec0 [ 345.243087][ T8411] RBP: 00007fff145e2ec0 R08: 00007fff145e3ec0 R09: 00000000ffffffff [ 345.243093][ T8411] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff145e3f50 [ 345.243099][ T8411] R13: 00007f3ccf31330a R14: 00000000000542d3 R15: 00007fff145e3f90 [ 345.243115][ T8411] [ 345.243119][ T8411] F2FS-fs (loop7): Stopped filesystem due to reason: 3 [ 345.609227][ T5741] loop7: lost filesystem error report for type 5 error -108 [ 345.872498][ T1021] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 345.955114][ T1021] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 346.012859][ T1021] bond0 (unregistering): Released all slaves [ 346.068845][ T9467] loop3: detected capacity change from 0 to 256 [ 346.103980][ T9467] FAT-fs (loop3): data area starts beyond volume (274 > 64) [ 346.104006][ T9467] FAT-fs (loop3): Can't find a valid FAT filesystem [ 346.365849][ T5261] 8021q: adding VLAN 0 to HW filter on device eth14 [ 346.374859][ T9475] overlayfs: failed to resolve './file1/file0': -2 [ 346.745280][ T9481] [ 347.150595][ T9489] loop3: detected capacity change from 0 to 2048 [ 347.316368][ T9489] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 347.355683][ T9473] loop0: detected capacity change from 0 to 40427 [ 347.444302][ T9489] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 281 free clusters [ 347.448024][ T9473] F2FS-fs (loop0): Invalid log_blocksize (268), supports only 12 [ 347.448047][ T9473] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 347.451712][ T9473] F2FS-fs (loop0): invalid crc value [ 347.775777][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 347.882125][ T9473] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 347.968066][ T9483] loop7: detected capacity change from 0 to 40427 [ 347.990679][ T9483] F2FS-fs (loop7): invalid crc value [ 348.180128][ T9473] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 348.180159][ T9473] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 348.223560][ T9483] F2FS-fs (loop7): f2fs_recover_fsync_data: recovery fsync data, check_only: 1 [ 348.581478][ T9483] F2FS-fs (loop7): f2fs_disable_checkpoint starts, unusable: 0 [ 348.581505][ T9483] F2FS-fs (loop7): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0 [ 348.581531][ T9483] F2FS-fs (loop7): Start checkpoint disabled! [ 349.168798][ T9522] overlayfs: failed to resolve './file1/file0': -2 [ 349.193090][ T9483] F2FS-fs (loop7): f2fs_disable_checkpoint finishes, err:0 [ 349.197004][ T9483] F2FS-fs (loop7): Mounted with checkpoint version = 48b305e6 [ 349.330884][ T1190] kworker/u8:10: attempt to access beyond end of device [ 349.330884][ T1190] loop7: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 349.361237][ T1190] CPU: 1 UID: 0 PID: 1190 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 349.361265][ T1190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 349.361277][ T1190] Workqueue: writeback wb_workfn (flush-7:7) [ 349.361474][ T1190] Call Trace: [ 349.361481][ T1190] [ 349.361490][ T1190] dump_stack_lvl+0xe8/0x150 [ 349.361605][ T1190] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 349.361714][ T1190] f2fs_write_end_io+0x124b/0x1710 [ 349.361778][ T1190] __submit_merged_bio+0x258/0x6a0 [ 349.361827][ T1190] ? rcu_is_watching+0x15/0xb0 [ 349.361969][ T1190] __submit_merged_write_cond+0x3c9/0x4e0 [ 349.362003][ T1190] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 349.362049][ T1190] f2fs_write_data_pages+0x2a27/0x36f0 [ 349.362068][ T1190] ? lockdep_hardirqs_on+0x7a/0x110 [ 349.362158][ T1190] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 349.362189][ T1190] ? __pfx_f2fs_available_free_memory+0x10/0x10 [ 349.362264][ T1190] ? __lock_acquire+0x683/0x2ce0 [ 349.362320][ T1190] ? __lock_acquire+0x683/0x2ce0 [ 349.362350][ T1190] ? __lock_acquire+0x683/0x2ce0 [ 349.362370][ T1190] ? do_raw_spin_lock+0x12b/0x2f0 [ 349.362406][ T1190] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 349.362427][ T1190] ? lockdep_hardirqs_on+0x7a/0x110 [ 349.362445][ T1190] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 349.362464][ T1190] do_writepages+0x338/0x560 [ 349.362534][ T1190] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 349.362569][ T1190] __writeback_single_inode+0x12e/0xf90 [ 349.362621][ T1190] writeback_sb_inodes+0x9db/0x1ab0 [ 349.362653][ T1190] ? lockdep_hardirqs_on+0x7a/0x110 [ 349.362682][ T1190] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 349.362739][ T1190] ? rcu_is_watching+0x15/0xb0 [ 349.362758][ T1190] ? queue_io+0x2c2/0x450 [ 349.362779][ T1190] wb_writeback+0x41c/0xad0 [ 349.362798][ T1190] ? queue_io+0x2c1/0x450 [ 349.362821][ T1190] ? __pfx_wb_writeback+0x10/0x10 [ 349.362865][ T1190] wb_workfn+0x437/0x10f0 [ 349.362906][ T1190] ? __pfx_wb_workfn+0x10/0x10 [ 349.362926][ T1190] ? rcu_is_watching+0x15/0xb0 [ 349.362947][ T1190] ? trace_hrtimer_start+0x82/0x200 [ 349.363034][ T1190] ? do_raw_spin_lock+0x12b/0x2f0 [ 349.363060][ T1190] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 349.363085][ T1190] ? process_scheduled_works+0xa20/0x14e0 [ 349.363169][ T1190] ? process_scheduled_works+0xa20/0x14e0 [ 349.363211][ T1190] ? rcu_is_watching+0x15/0xb0 [ 349.363234][ T1190] ? process_scheduled_works+0xa20/0x14e0 [ 349.363254][ T1190] process_scheduled_works+0xa8e/0x14e0 [ 349.363300][ T1190] ? __pfx_process_scheduled_works+0x10/0x10 [ 349.363327][ T1190] ? assign_work+0x3cf/0x5d0 [ 349.363352][ T1190] worker_thread+0xa47/0xfb0 [ 349.363484][ T1190] ? __kthread_parkme+0x71/0x1f0 [ 349.363574][ T1190] kthread+0x388/0x470 [ 349.363600][ T1190] ? __pfx_worker_thread+0x10/0x10 [ 349.363619][ T1190] ? __pfx_kthread+0x10/0x10 [ 349.363644][ T1190] ret_from_fork+0x514/0xb70 [ 349.363720][ T1190] ? __pfx_ret_from_fork+0x10/0x10 [ 349.363745][ T1190] ? __switch_to+0xc89/0x1420 [ 349.363803][ T1190] ? __pfx_kthread+0x10/0x10 [ 349.363828][ T1190] ret_from_fork_asm+0x1a/0x30 [ 349.363862][ T1190] [ 349.368785][ T1190] F2FS-fs (loop7): Stopped filesystem due to reason: 3 [ 350.137343][ T9528] [ 350.392769][ T9526] loop3: detected capacity change from 0 to 40427 [ 350.431601][ T9526] F2FS-fs (loop3): invalid crc value [ 350.776193][ T9526] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 350.843011][ T9526] F2FS-fs (loop3): f2fs_disable_checkpoint starts, unusable: 0 [ 350.843037][ T9526] F2FS-fs (loop3): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0 [ 350.843083][ T9526] F2FS-fs (loop3): Start checkpoint disabled! [ 350.946846][ T9526] F2FS-fs (loop3): f2fs_disable_checkpoint finishes, err:0 [ 350.948585][ T9526] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6 [ 351.319765][ T9530] loop7: detected capacity change from 0 to 40427 [ 351.331275][ T9530] F2FS-fs (loop7): invalid crc value [ 351.448188][ T13] kworker/u8:1: attempt to access beyond end of device [ 351.448188][ T13] loop3: rw=1, sector=45096, nr_sectors = 16 limit=40427 [ 351.506729][ T13] kworker/u8:1: attempt to access beyond end of device [ 351.506729][ T13] loop3: rw=2049, sector=45112, nr_sectors = 8 limit=40427 [ 351.526802][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 351.526828][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 351.526839][ T13] Workqueue: writeback wb_workfn (flush-7:3) [ 351.526872][ T13] Call Trace: [ 351.526879][ T13] [ 351.526886][ T13] dump_stack_lvl+0xe8/0x150 [ 351.526915][ T13] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 351.526946][ T13] f2fs_write_end_io+0x124b/0x1710 [ 351.526983][ T13] __submit_merged_bio+0x258/0x6a0 [ 351.527016][ T13] ? rcu_is_watching+0x15/0xb0 [ 351.527041][ T13] __submit_merged_write_cond+0x3c9/0x4e0 [ 351.527074][ T13] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 351.527120][ T13] f2fs_write_data_pages+0x2a27/0x36f0 [ 351.527138][ T13] ? lockdep_hardirqs_on+0x7a/0x110 [ 351.527191][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 351.527224][ T13] ? __pfx_f2fs_available_free_memory+0x10/0x10 [ 351.527275][ T13] ? __lock_acquire+0x683/0x2ce0 [ 351.527297][ T13] ? __lock_acquire+0x683/0x2ce0 [ 351.527334][ T13] ? do_raw_spin_lock+0x12b/0x2f0 [ 351.527371][ T13] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 351.527391][ T13] ? lockdep_hardirqs_on+0x7a/0x110 [ 351.527409][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 351.527429][ T13] do_writepages+0x338/0x560 [ 351.527455][ T13] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 351.527490][ T13] __writeback_single_inode+0x12e/0xf90 [ 351.527517][ T13] writeback_sb_inodes+0x9db/0x1ab0 [ 351.527547][ T13] ? lockdep_hardirqs_on+0x7a/0x110 [ 351.527577][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 351.527636][ T13] ? rcu_is_watching+0x15/0xb0 [ 351.527657][ T13] ? queue_io+0x2c2/0x450 [ 351.527677][ T13] wb_writeback+0x41c/0xad0 [ 351.527697][ T13] ? queue_io+0x2c1/0x450 [ 351.527720][ T13] ? __pfx_wb_writeback+0x10/0x10 [ 351.527754][ T13] wb_workfn+0x437/0x10f0 [ 351.527795][ T13] ? __pfx_wb_workfn+0x10/0x10 [ 351.527816][ T13] ? rcu_is_watching+0x15/0xb0 [ 351.527836][ T13] ? trace_hrtimer_start+0x82/0x200 [ 351.527870][ T13] ? do_raw_spin_lock+0x12b/0x2f0 [ 351.527897][ T13] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 351.527923][ T13] ? process_scheduled_works+0xa20/0x14e0 [ 351.527945][ T13] ? process_scheduled_works+0xa20/0x14e0 [ 351.527971][ T13] ? rcu_is_watching+0x15/0xb0 [ 351.527994][ T13] ? process_scheduled_works+0xa20/0x14e0 [ 351.528020][ T13] process_scheduled_works+0xa8e/0x14e0 [ 351.528069][ T13] ? __pfx_process_scheduled_works+0x10/0x10 [ 351.528097][ T13] ? assign_work+0x3cf/0x5d0 [ 351.528122][ T13] worker_thread+0xa47/0xfb0 [ 351.528175][ T13] kthread+0x388/0x470 [ 351.528199][ T13] ? __pfx_worker_thread+0x10/0x10 [ 351.528218][ T13] ? __pfx_kthread+0x10/0x10 [ 351.528244][ T13] ret_from_fork+0x514/0xb70 [ 351.528273][ T13] ? __pfx_ret_from_fork+0x10/0x10 [ 351.528297][ T13] ? __switch_to+0xc89/0x1420 [ 351.528322][ T13] ? __pfx_kthread+0x10/0x10 [ 351.528347][ T13] ret_from_fork_asm+0x1a/0x30 [ 351.528381][ T13] [ 351.528416][ T13] F2FS-fs (loop3): Stopped filesystem due to reason: 3 [ 351.933367][ T1021] hsr_slave_0: left promiscuous mode [ 352.033734][ T1021] hsr_slave_1: left promiscuous mode [ 352.034775][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 352.078098][ T9530] F2FS-fs (loop7): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 352.084062][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 352.117808][ T9530] F2FS-fs (loop7): f2fs_disable_checkpoint starts, unusable: 0 [ 352.117833][ T9530] F2FS-fs (loop7): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0 [ 352.117858][ T9530] F2FS-fs (loop7): Start checkpoint disabled! [ 352.436590][ T9530] F2FS-fs (loop7): f2fs_disable_checkpoint finishes, err:0 [ 352.437296][ T9530] F2FS-fs (loop7): Mounted with checkpoint version = 48b305e6 [ 352.484813][ T1021] hsr_slave_0: left promiscuous mode [ 352.521280][ T1021] hsr_slave_1: left promiscuous mode [ 352.522246][ T1021] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 352.522269][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 352.580208][ T1021] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 352.580233][ T1021] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 352.695184][ T86] kworker/u8:4: attempt to access beyond end of device [ 352.695184][ T86] loop7: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 352.695244][ T86] CPU: 1 UID: 0 PID: 86 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 352.695264][ T86] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 352.695275][ T86] Workqueue: writeback wb_workfn (flush-7:7) [ 352.695308][ T86] Call Trace: [ 352.695315][ T86] [ 352.695323][ T86] dump_stack_lvl+0xe8/0x150 [ 352.695352][ T86] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 352.695384][ T86] f2fs_write_end_io+0x124b/0x1710 [ 352.695423][ T86] __submit_merged_bio+0x258/0x6a0 [ 352.695448][ T86] ? rcu_is_watching+0x15/0xb0 [ 352.695474][ T86] __submit_merged_write_cond+0x3c9/0x4e0 [ 352.695507][ T86] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 352.695552][ T86] f2fs_write_data_pages+0x2a27/0x36f0 [ 352.695570][ T86] ? lockdep_hardirqs_on+0x7a/0x110 [ 352.695628][ T86] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 352.695661][ T86] ? __pfx_f2fs_available_free_memory+0x10/0x10 [ 352.695715][ T86] ? __lock_acquire+0x683/0x2ce0 [ 352.695737][ T86] ? __lock_acquire+0x683/0x2ce0 [ 352.695769][ T86] ? __lock_acquire+0x683/0x2ce0 [ 352.695790][ T86] ? do_raw_spin_lock+0x12b/0x2f0 [ 352.695827][ T86] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 352.695848][ T86] ? lockdep_hardirqs_on+0x7a/0x110 [ 352.695866][ T86] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 352.695887][ T86] do_writepages+0x338/0x560 [ 352.695912][ T86] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 352.695948][ T86] __writeback_single_inode+0x12e/0xf90 [ 352.695975][ T86] writeback_sb_inodes+0x9db/0x1ab0 [ 352.696005][ T86] ? lockdep_hardirqs_on+0x7a/0x110 [ 352.696042][ T86] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 352.696101][ T86] ? rcu_is_watching+0x15/0xb0 [ 352.696122][ T86] ? queue_io+0x2c2/0x450 [ 352.696143][ T86] wb_writeback+0x41c/0xad0 [ 352.696163][ T86] ? queue_io+0x2c1/0x450 [ 352.696186][ T86] ? __pfx_wb_writeback+0x10/0x10 [ 352.696220][ T86] wb_workfn+0x437/0x10f0 [ 352.696261][ T86] ? __pfx_wb_workfn+0x10/0x10 [ 352.696282][ T86] ? rcu_is_watching+0x15/0xb0 [ 352.696303][ T86] ? trace_hrtimer_start+0x82/0x200 [ 352.696336][ T86] ? do_raw_spin_lock+0x12b/0x2f0 [ 352.696362][ T86] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 352.696388][ T86] ? process_scheduled_works+0xa20/0x14e0 [ 352.696411][ T86] ? process_scheduled_works+0xa20/0x14e0 [ 352.696437][ T86] ? rcu_is_watching+0x15/0xb0 [ 352.696461][ T86] ? process_scheduled_works+0xa20/0x14e0 [ 352.696480][ T86] process_scheduled_works+0xa8e/0x14e0 [ 352.696528][ T86] ? __pfx_process_scheduled_works+0x10/0x10 [ 352.696556][ T86] ? assign_work+0x3cf/0x5d0 [ 352.696581][ T86] worker_thread+0xa47/0xfb0 [ 352.696616][ T86] ? __kthread_parkme+0x71/0x1f0 [ 352.696648][ T86] kthread+0x388/0x470 [ 352.696672][ T86] ? __pfx_worker_thread+0x10/0x10 [ 352.696691][ T86] ? __pfx_kthread+0x10/0x10 [ 352.696716][ T86] ret_from_fork+0x514/0xb70 [ 352.696744][ T86] ? __pfx_ret_from_fork+0x10/0x10 [ 352.696768][ T86] ? __switch_to+0xc89/0x1420 [ 352.696793][ T86] ? __pfx_kthread+0x10/0x10 [ 352.696819][ T86] ret_from_fork_asm+0x1a/0x30 [ 352.696852][ T86] [ 352.697164][ T86] F2FS-fs (loop7): Stopped filesystem due to reason: 3 [ 352.979692][ T9558] loop3: detected capacity change from 0 to 512 [ 352.991749][ T9558] EXT4-fs: Ignoring removed i_version option [ 353.011400][ T9558] EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled [ 353.140028][ T9558] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 353.140171][ T9558] ext4 filesystem being mounted at /198/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 353.234893][ T9545] loop0: detected capacity change from 0 to 40427 [ 353.280313][ T9545] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 353.280337][ T9545] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 353.285583][ T9545] F2FS-fs (loop0): build fault injection type: 0x6 [ 353.451996][ T9545] F2FS-fs (loop0): invalid crc value [ 353.496577][ T1021] veth1_macvtap: left promiscuous mode [ 353.496673][ T1021] veth0_macvtap: left promiscuous mode [ 353.518073][ T1021] veth1_vlan: left promiscuous mode [ 353.518582][ T1021] veth0_vlan: left promiscuous mode [ 353.571683][ T1021] veth1_macvtap: left promiscuous mode [ 353.571778][ T1021] veth0_macvtap: left promiscuous mode [ 353.665431][ T1021] veth1_vlan: left promiscuous mode [ 353.729355][ T1021] veth0_vlan: left promiscuous mode [ 353.804749][ T9545] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 353.967295][ T9545] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 353.967322][ T9545] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 353.988209][ T9567] overlayfs: failed index dir cleanup (-512) [ 353.988224][ T9567] overlayfs: try deleting index dir or mounting with '-o index=off' to disable inodes index. [ 354.166755][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 354.380921][ T5602] syz-executor: attempt to access beyond end of device [ 354.380921][ T5602] loop0: rw=2049, sector=45096, nr_sectors = 16 limit=40427 [ 354.416099][ T5602] CPU: 0 UID: 0 PID: 5602 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 354.416124][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 354.416134][ T5602] Call Trace: [ 354.416141][ T5602] [ 354.416148][ T5602] dump_stack_lvl+0xe8/0x150 [ 354.416180][ T5602] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 354.416213][ T5602] f2fs_write_end_io+0x124b/0x1710 [ 354.416253][ T5602] __submit_merged_bio+0x258/0x6a0 [ 354.416278][ T5602] ? rcu_is_watching+0x15/0xb0 [ 354.416304][ T5602] __submit_merged_write_cond+0x3c9/0x4e0 [ 354.416339][ T5602] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 354.416387][ T5602] f2fs_write_data_pages+0x2a27/0x36f0 [ 354.416443][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 354.416474][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 354.416521][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 354.416552][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 354.416591][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 354.416612][ T5602] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 354.416642][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 354.416662][ T5602] do_writepages+0x338/0x560 [ 354.416688][ T5602] ? rt_spin_unlock+0x157/0x200 [ 354.416722][ T5602] filemap_fdatawrite+0x1ec/0x2f0 [ 354.416826][ T5602] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 354.416898][ T5602] f2fs_sync_dirty_inodes+0x30e/0x830 [ 354.416934][ T5602] f2fs_write_checkpoint+0xa3d/0x2710 [ 354.416954][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 354.417003][ T5602] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 354.417073][ T5602] kill_f2fs_super+0x2f6/0x700 [ 354.417100][ T5602] ? __pfx_kill_f2fs_super+0x10/0x10 [ 354.417131][ T5602] ? call_rcu+0x64b/0x8b0 [ 354.417152][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 354.417186][ T5602] deactivate_locked_super+0xbc/0x130 [ 354.417252][ T5602] cleanup_mnt+0x3d3/0x460 [ 354.417309][ T5602] task_work_run+0x1d9/0x270 [ 354.417331][ T5602] ? __pfx_task_work_run+0x10/0x10 [ 354.417360][ T5602] exit_to_user_mode_loop+0x1fa/0x730 [ 354.417409][ T5602] ? rcu_is_watching+0x15/0xb0 [ 354.417431][ T5602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 354.417464][ T5602] do_syscall_64+0x353/0x580 [ 354.417483][ T5602] ? trace_irq_disable+0x3b/0x140 [ 354.417542][ T5602] ? clear_bhb_loop+0x40/0x90 [ 354.417564][ T5602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 354.417582][ T5602] RIP: 0033:0x7ff71977f0d7 [ 354.417599][ T5602] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 354.417613][ T5602] RSP: 002b:00007ffccc2a4718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 354.417631][ T5602] RAX: 0000000000000000 RBX: 00007ff71981330a RCX: 00007ff71977f0d7 [ 354.417642][ T5602] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffccc2a47d0 [ 354.417652][ T5602] RBP: 00007ffccc2a47d0 R08: 00007ffccc2a57d0 R09: 00000000ffffffff [ 354.417663][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffccc2a5860 [ 354.417674][ T5602] R13: 00007ff71981330a R14: 000000000005669d R15: 00007ffccc2a58a0 [ 354.417705][ T5602] [ 354.444719][ T5602] F2FS-fs (loop0): Stopped filesystem due to reason: 3 [ 354.463278][ T5602] CPU: 1 UID: 0 PID: 5602 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 354.463314][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 354.463325][ T5602] Call Trace: [ 354.463332][ T5602] [ 354.463339][ T5602] dump_stack_lvl+0xe8/0x150 [ 354.463371][ T5602] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 354.463408][ T5602] f2fs_write_end_io+0x124b/0x1710 [ 354.463447][ T5602] __submit_merged_bio+0x258/0x6a0 [ 354.463470][ T5602] ? rcu_is_watching+0x15/0xb0 [ 354.463497][ T5602] __submit_merged_write_cond+0x3c9/0x4e0 [ 354.463531][ T5602] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 354.463576][ T5602] f2fs_write_data_pages+0x2a27/0x36f0 [ 354.463630][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 354.463660][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 354.463710][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 354.463741][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 354.463780][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 354.463799][ T5602] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 354.463828][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 354.463848][ T5602] do_writepages+0x338/0x560 [ 354.463872][ T5602] ? rt_spin_unlock+0x157/0x200 [ 354.463904][ T5602] filemap_fdatawrite+0x1ec/0x2f0 [ 354.463928][ T5602] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 354.463997][ T5602] f2fs_sync_dirty_inodes+0x30e/0x830 [ 354.464031][ T5602] f2fs_write_checkpoint+0xa3d/0x2710 [ 354.464050][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 354.464096][ T5602] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 354.464166][ T5602] kill_f2fs_super+0x2f6/0x700 [ 354.464191][ T5602] ? __pfx_kill_f2fs_super+0x10/0x10 [ 354.464222][ T5602] ? call_rcu+0x64b/0x8b0 [ 354.464242][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 354.464274][ T5602] deactivate_locked_super+0xbc/0x130 [ 354.464304][ T5602] cleanup_mnt+0x3d3/0x460 [ 354.464329][ T5602] task_work_run+0x1d9/0x270 [ 354.464350][ T5602] ? __pfx_task_work_run+0x10/0x10 [ 354.464377][ T5602] exit_to_user_mode_loop+0x1fa/0x730 [ 354.464394][ T5602] ? rcu_is_watching+0x15/0xb0 [ 354.464415][ T5602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 354.464435][ T5602] do_syscall_64+0x353/0x580 [ 354.464454][ T5602] ? trace_irq_disable+0x3b/0x140 [ 354.464471][ T5602] ? clear_bhb_loop+0x40/0x90 [ 354.464491][ T5602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 354.464507][ T5602] RIP: 0033:0x7ff71977f0d7 [ 354.464525][ T5602] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 354.464539][ T5602] RSP: 002b:00007ffccc2a4718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 354.464557][ T5602] RAX: 0000000000000000 RBX: 00007ff71981330a RCX: 00007ff71977f0d7 [ 354.464569][ T5602] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffccc2a47d0 [ 354.464579][ T5602] RBP: 00007ffccc2a47d0 R08: 00007ffccc2a57d0 R09: 00000000ffffffff [ 354.464590][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffccc2a5860 [ 354.464601][ T5602] R13: 00007ff71981330a R14: 000000000005669d R15: 00007ffccc2a58a0 [ 354.464627][ T5602] [ 354.464786][ T5602] F2FS-fs (loop0): Stopped filesystem due to reason: 3 [ 354.574409][ T5587] loop0: lost filesystem error report for type 5 error -108 [ 354.746513][ T9588] random: crng reseeded on system resumption [ 355.069653][ T5587] loop0: lost filesystem error report for type 5 error -108 [ 355.205770][ T9590] [ 355.382563][ T9594] fuse: Bad value for 'fd' [ 355.510975][ T9596] overlayfs: failed to resolve './file1/file0': -2 [ 355.691288][ T9601] loop0: detected capacity change from 0 to 1024 [ 355.759445][ T9601] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 355.853291][ T9606] loop3: detected capacity change from 0 to 1024 [ 355.854531][ T9606] EXT4-fs: inline encryption not supported [ 355.896151][ T9606] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 356.528984][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 356.647834][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 356.778888][ T9611] loop3: detected capacity change from 0 to 256 [ 356.781944][ T9611] exfat: Deprecated parameter 'namecase' [ 356.782002][ T9611] exfat: Deprecated parameter 'namecase' [ 356.878089][ T9611] exFAT-fs (loop3): failed to load upcase table (idx : 0x0001fe89, chksum : 0xbf24f927, utbl_chksum : 0xe619d30d) [ 357.286841][ T9618] loop3: detected capacity change from 0 to 2048 [ 357.293131][ T9618] EXT4-fs: Ignoring removed nomblk_io_submit option [ 357.346751][ T1021] team0 (unregistering): Port device team_slave_1 removed [ 357.418918][ T9618] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 357.469947][ T36] audit: type=1800 audit(1784955664.729:117): pid=9618 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.728" name="file1" dev="loop3" ino=19 res=0 errno=0 [ 357.470683][ T1021] team0 (unregistering): Port device team_slave_0 removed [ 357.516606][ T9623] [ 357.635869][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 357.812576][ T9627] fuse: Bad value for 'fd' [ 358.161871][ T9593] loop7: detected capacity change from 0 to 131072 [ 358.230242][ T9593] F2FS-fs (loop7): Invalid log sectorsize (67108873) [ 358.230263][ T9593] F2FS-fs (loop7): Can't find valid F2FS filesystem in 1th superblock [ 358.231263][ T9593] F2FS-fs (loop7): invalid crc value [ 358.548946][ T9593] F2FS-fs (loop7): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 358.642558][ T9638] loop3: detected capacity change from 0 to 512 [ 358.644072][ T9638] EXT4-fs: Ignoring removed oldalloc option [ 358.648373][ T9625] loop0: detected capacity change from 0 to 40427 [ 358.677188][ T9625] F2FS-fs (loop0): invalid crc value [ 358.677784][ T9638] EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled [ 358.883400][ T9638] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 358.883532][ T9638] ext4 filesystem being mounted at /210/file2 supports timestamps until 2038-01-19 (0x7fffffff) [ 358.974909][ T9625] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 359.231579][ T9625] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 359.313783][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 359.569956][ T1021] team0 (unregistering): Port device team_slave_1 removed [ 359.599841][ T5602] syz-executor: attempt to access beyond end of device [ 359.599841][ T5602] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 359.600301][ T5602] CPU: 0 UID: 0 PID: 5602 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 359.600322][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 359.600333][ T5602] Call Trace: [ 359.600340][ T5602] [ 359.600347][ T5602] dump_stack_lvl+0xe8/0x150 [ 359.600381][ T5602] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 359.600414][ T5602] f2fs_write_end_io+0x124b/0x1710 [ 359.600455][ T5602] __submit_merged_bio+0x258/0x6a0 [ 359.600480][ T5602] ? rcu_is_watching+0x15/0xb0 [ 359.600506][ T5602] __submit_merged_write_cond+0x3c9/0x4e0 [ 359.600547][ T5602] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 359.600595][ T5602] f2fs_write_data_pages+0x2a27/0x36f0 [ 359.600646][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 359.600712][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 359.600754][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 359.600775][ T5602] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 359.600804][ T5602] ? reacquire_held_locks+0x104/0x190 [ 359.600842][ T5602] ? rt_spin_unlock+0x157/0x200 [ 359.600871][ T5602] ? rt_spin_unlock+0x163/0x200 [ 359.600893][ T5602] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 359.600913][ T5602] do_writepages+0x338/0x560 [ 359.600939][ T5602] ? rt_spin_unlock+0x157/0x200 [ 359.600971][ T5602] filemap_fdatawrite+0x1ec/0x2f0 [ 359.600993][ T5602] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 359.601011][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 359.601070][ T5602] ? rt_spin_unlock+0x157/0x200 [ 359.601095][ T5602] ? rt_spin_unlock+0x163/0x200 [ 359.601120][ T5602] f2fs_sync_dirty_inodes+0x30e/0x830 [ 359.601152][ T5602] f2fs_write_checkpoint+0xa3d/0x2710 [ 359.601170][ T5602] ? __lock_acquire+0x683/0x2ce0 [ 359.601216][ T5602] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 359.601284][ T5602] kill_f2fs_super+0x2f6/0x700 [ 359.601309][ T5602] ? __pfx_kill_f2fs_super+0x10/0x10 [ 359.601339][ T5602] ? call_rcu+0x64b/0x8b0 [ 359.601358][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 359.601391][ T5602] deactivate_locked_super+0xbc/0x130 [ 359.601413][ T5602] cleanup_mnt+0x3d3/0x460 [ 359.601439][ T5602] task_work_run+0x1d9/0x270 [ 359.601459][ T5602] ? __pfx_task_work_run+0x10/0x10 [ 359.601485][ T5602] exit_to_user_mode_loop+0x1fa/0x730 [ 359.601502][ T5602] ? rcu_is_watching+0x15/0xb0 [ 359.601523][ T5602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 359.601542][ T5602] do_syscall_64+0x353/0x580 [ 359.601562][ T5602] ? trace_irq_disable+0x3b/0x140 [ 359.601579][ T5602] ? clear_bhb_loop+0x40/0x90 [ 359.601602][ T5602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 359.601620][ T5602] RIP: 0033:0x7ff71977f0d7 [ 359.601638][ T5602] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 359.601653][ T5602] RSP: 002b:00007ffccc2a4718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 359.601672][ T5602] RAX: 0000000000000000 RBX: 00007ff71981330a RCX: 00007ff71977f0d7 [ 359.601684][ T5602] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffccc2a47d0 [ 359.601695][ T5602] RBP: 00007ffccc2a47d0 R08: 00007ffccc2a57d0 R09: 00000000ffffffff [ 359.601707][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffccc2a5860 [ 359.601718][ T5602] R13: 00007ff71981330a R14: 0000000000057b28 R15: 00007ffccc2a58a0 [ 359.601749][ T5602] [ 359.601807][ T5602] F2FS-fs (loop0): Stopped filesystem due to reason: 3 [ 359.956647][ T1021] team0 (unregistering): Port device team_slave_0 removed [ 360.518967][ T9650] loop3: detected capacity change from 0 to 40427 [ 360.579347][ T9650] F2FS-fs (loop3): Invalid SB checksum offset: 0 [ 360.579369][ T9650] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 360.581473][ T9650] F2FS-fs (loop3): invalid crc value [ 360.904007][ T9650] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 361.089460][ T9663] [ 361.229373][ T9650] F2FS-fs (loop3): Try to recover 2th superblock, ret: 0 [ 361.229402][ T9650] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 361.267117][ T9668] overlayfs: missing 'lowerdir' [ 362.055581][ T8974] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 362.068596][ T5598] syz-executor: attempt to access beyond end of device [ 362.068596][ T5598] loop3: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 362.118908][ T8974] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 362.146091][ T5598] CPU: 0 UID: 0 PID: 5598 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 362.146113][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 362.146126][ T5598] Call Trace: [ 362.146132][ T5598] [ 362.146138][ T5598] dump_stack_lvl+0xe8/0x150 [ 362.146166][ T5598] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 362.146191][ T5598] f2fs_write_end_io+0x124b/0x1710 [ 362.146221][ T5598] __submit_merged_bio+0x258/0x6a0 [ 362.146240][ T5598] ? rcu_is_watching+0x15/0xb0 [ 362.146261][ T5598] __submit_merged_write_cond+0x3c9/0x4e0 [ 362.146287][ T5598] ? __pfx___submit_merged_write_cond+0x10/0x10 [ 362.146323][ T5598] f2fs_write_data_pages+0x2a27/0x36f0 [ 362.146337][ T5598] ? __bfs+0x153/0x290 [ 362.146351][ T5598] ? __pfx_hlock_conflict+0x10/0x10 [ 362.146392][ T5598] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 362.146446][ T5598] ? __lock_acquire+0x683/0x2ce0 [ 362.146472][ T5598] ? do_raw_spin_lock+0x12b/0x2f0 [ 362.146502][ T5598] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 362.146517][ T5598] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 362.146541][ T5598] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 362.146555][ T5598] do_writepages+0x338/0x560 [ 362.146581][ T5598] ? rt_spin_unlock+0x157/0x200 [ 362.146605][ T5598] filemap_fdatawrite+0x1ec/0x2f0 [ 362.146631][ T5598] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 362.146645][ T5598] ? do_raw_spin_lock+0x12b/0x2f0 [ 362.146690][ T5598] ? rt_spin_unlock+0x157/0x200 [ 362.146710][ T5598] ? rt_spin_unlock+0x163/0x200 [ 362.146729][ T5598] f2fs_sync_dirty_inodes+0x30e/0x830 [ 362.146756][ T5598] f2fs_write_checkpoint+0xa3d/0x2710 [ 362.146770][ T5598] ? __lock_acquire+0x683/0x2ce0 [ 362.146805][ T5598] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 362.146858][ T5598] kill_f2fs_super+0x2f6/0x700 [ 362.146879][ T5598] ? __pfx_kill_f2fs_super+0x10/0x10 [ 362.146902][ T5598] ? call_rcu+0x64b/0x8b0 [ 362.146920][ T5598] ? lockdep_hardirqs_on+0x7a/0x110 [ 362.146945][ T5598] deactivate_locked_super+0xbc/0x130 [ 362.146963][ T5598] cleanup_mnt+0x3d3/0x460 [ 362.146984][ T5598] task_work_run+0x1d9/0x270 [ 362.147000][ T5598] ? __pfx_task_work_run+0x10/0x10 [ 362.147020][ T5598] exit_to_user_mode_loop+0x1fa/0x730 [ 362.147033][ T5598] ? rcu_is_watching+0x15/0xb0 [ 362.147049][ T5598] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 362.147063][ T5598] do_syscall_64+0x353/0x580 [ 362.147080][ T5598] ? trace_irq_disable+0x3b/0x140 [ 362.147097][ T5598] ? clear_bhb_loop+0x40/0x90 [ 362.147116][ T5598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 362.147137][ T5598] RIP: 0033:0x7fda77e2f0d7 [ 362.147154][ T5598] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 362.147167][ T5598] RSP: 002b:00007ffe81a57e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 362.147184][ T5598] RAX: 0000000000000000 RBX: 00007fda77ec330a RCX: 00007fda77e2f0d7 [ 362.147195][ T5598] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe81a57f00 [ 362.147204][ T5598] RBP: 00007ffe81a57f00 R08: 00007ffe81a58f00 R09: 00000000ffffffff [ 362.147215][ T5598] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe81a58f90 [ 362.147226][ T5598] R13: 00007fda77ec330a R14: 0000000000058371 R15: 00007ffe81a58fd0 [ 362.147252][ T5598] [ 362.147262][ T5598] F2FS-fs (loop3): Stopped filesystem due to reason: 3 [ 362.304828][ T8974] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 362.442354][ T8974] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 362.457499][ T8974] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 362.553126][ T8974] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 362.590591][ T8974] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 362.707233][ T9694] loop7: detected capacity change from 0 to 128 [ 362.768947][ T8974] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 362.816446][ T9694] EXT4-fs (loop7): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: writeback. [ 362.838408][ T9694] ext4 filesystem being mounted at /43/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa supports timestamps until 2038-01-19 (0x7fffffff) [ 363.755241][ T9713] [ 363.818206][ T9715] loop3: detected capacity change from 0 to 16 [ 363.828972][ T8411] EXT4-fs (loop7): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. [ 363.961792][ T9715] erofs (device loop3): mounted with root inode @ nid 36. [ 364.225172][ T9719] overlayfs: missing 'lowerdir' [ 364.951872][ T8974] 8021q: adding VLAN 0 to HW filter on device bond0 [ 365.163084][ T8974] 8021q: adding VLAN 0 to HW filter on device team0 [ 365.178644][ T994] bridge0: port 1(bridge_slave_0) entered blocking state [ 365.178764][ T994] bridge0: port 1(bridge_slave_0) entered forwarding state [ 365.306450][ T9018] netdevsim netdevsim6 netdevsim0: renamed from eth0 [ 365.398221][ T9018] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 365.481999][ T3847] bridge0: port 2(bridge_slave_1) entered blocking state [ 365.482101][ T3847] bridge0: port 2(bridge_slave_1) entered forwarding state [ 365.487921][ T9018] netdevsim netdevsim6 netdevsim1: renamed from eth1 [ 365.572761][ T9018] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 365.603559][ T9018] netdevsim netdevsim6 netdevsim2: renamed from eth2 [ 365.827705][ T9018] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 365.899861][ T9018] netdevsim netdevsim6 netdevsim3: renamed from eth3 [ 365.987394][ T9018] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 366.270689][ T9756] loop3: detected capacity change from 0 to 1024 [ 366.409655][ T9756] hfsplus: failed to load extents file [ 366.911064][ T9771] loop0: detected capacity change from 0 to 1764 [ 367.336750][ T9778] loop0: detected capacity change from 0 to 8 [ 367.553537][ T9018] 8021q: adding VLAN 0 to HW filter on device bond0 [ 367.593372][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593426][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593450][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593474][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593496][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593518][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593540][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593562][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593584][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.593605][ T5739] hid-generic 0006:0004:0009.0001: unknown main item tag 0x0 [ 367.882440][ T5739] hid-generic 0006:0004:0009.0001: hidraw0: VIRTUAL HID v0.04 Device [syz1] on syz0 [ 368.020556][ T9018] 8021q: adding VLAN 0 to HW filter on device team0 [ 368.158167][ T994] bridge0: port 1(bridge_slave_0) entered blocking state [ 368.158291][ T994] bridge0: port 1(bridge_slave_0) entered forwarding state [ 368.279515][ T9788] loop0: detected capacity change from 0 to 4096 [ 368.305620][ T9788] EXT4-fs: Ignoring removed orlov option [ 368.346750][ T9788] EXT4-fs (loop0): Test dummy encryption mode enabled [ 368.347618][ T994] bridge0: port 2(bridge_slave_1) entered blocking state [ 368.347742][ T994] bridge0: port 2(bridge_slave_1) entered forwarding state [ 368.539639][ T9796] loop7: detected capacity change from 0 to 512 [ 368.540732][ T9796] EXT4-fs: Ignoring removed i_version option [ 368.543941][ T9796] EXT4-fs (loop7): feature flags set on rev 0 fs, running e2fsck is recommended [ 368.547851][ T9788] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 368.695666][ T9796] EXT4-fs error (device loop7): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 48 vs 41 free clusters [ 368.799153][ C1] EXT4-fs (loop7): error count since last fsck: 1 [ 368.799171][ C1] EXT4-fs (loop7): initial error at time 1784955676: ext4_mb_generate_buddy:1317 [ 368.799188][ C1] EXT4-fs (loop7): last error at time 1784955676: ext4_mb_generate_buddy:1317 [ 368.871342][ T9796] Quota error (device loop7): write_blk: dquota write failed [ 368.871362][ T9796] Quota error (device loop7): find_free_dqentry: Can't write quota data block 5 [ 368.871466][ T9796] Quota error (device loop7): write_blk: dquota write failed [ 368.871571][ T9796] Quota error (device loop7): qtree_write_dquot: Error -28 occurred while creating quota [ 368.871619][ T9796] EXT4-fs error (device loop7): ext4_acquire_dquot:7041: comm syz.7.765: Failed to acquire dquot type 1 [ 368.871638][ T9796] loop7: lost filesystem error report for type 5 error -28 [ 368.971847][ T9796] EXT4-fs (loop7): 1 truncate cleaned up [ 368.985593][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 368.996599][ T9796] EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 369.091386][ T9796] Quota error (device loop7): write_blk: dquota write failed [ 369.091454][ T9796] Quota error (device loop7): qtree_write_dquot: Error -28 occurred while creating quota [ 369.091482][ T9796] EXT4-fs error (device loop7): ext4_acquire_dquot:7041: comm syz.7.765: Failed to acquire dquot type 1 [ 369.446769][ T8411] EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 369.652211][ T9812] loop3: detected capacity change from 0 to 512 [ 369.844046][ T9812] EXT4-fs (loop3): 1 truncate cleaned up [ 369.846245][ T9812] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 370.026279][ T5605] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 370.115314][ T5605] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 370.163587][ T5605] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 370.179363][ T5605] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 370.187384][ T5605] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 370.939899][ T9833] loop0: detected capacity change from 0 to 4096 [ 370.947980][ T9837] loop7: detected capacity change from 0 to 256 [ 370.978420][ T5598] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 370.993809][ T9837] exfat: Deprecated parameter 'namecase' [ 370.993860][ T9837] exfat: Deprecated parameter 'utf8' [ 371.235019][ T9837] exFAT-fs (loop7): failed to load upcase table (idx : 0x00010000, chksum : 0xea424414, utbl_chksum : 0xe619d30d) [ 371.404917][ T36] audit: type=1800 audit(1784955678.659:118): pid=9837 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.7.773" name="file1" dev="loop7" ino=1048662 res=0 errno=0 [ 371.509052][ T9833] ntfs3(loop0): Failed to load $Extend (-22). [ 371.509789][ T9833] ntfs3(loop0): Failed to initialize $Extend. [ 371.934581][ T36] audit: type=1800 audit(1784955679.189:119): pid=9833 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.772" name="file1" dev="loop0" ino=30 res=0 errno=0 [ 372.366668][ T9018] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 372.431367][ T9868] loop0: detected capacity change from 0 to 512 [ 372.479221][ T5605] Bluetooth: hci1: command tx timeout [ 372.500667][ T9868] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 372.501717][ T9868] ext4 filesystem being mounted at /252/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 372.867990][ T36] audit: type=1800 audit(1784955680.109:120): pid=9876 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.778" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 373.016933][ T9882] loop7: detected capacity change from 0 to 1024 [ 373.232048][ T9882] EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 373.266775][ T36] audit: type=1800 audit(1784955680.509:121): pid=9882 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.7.779" name="file2" dev="loop7" ino=16 res=0 errno=0 [ 373.768174][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 373.962697][ T9865] loop3: detected capacity change from 0 to 32768 [ 374.038823][ T4915] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 374.115237][ T4915] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 374.148291][ T4915] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 374.174247][ T4915] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 374.186685][ T4915] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 374.336284][ T9865] ocfs2: Slot 0 on device (7,3) was already allocated to this node! [ 374.341367][ T9865] JBD2: Ignoring recovery information on journal [ 374.553288][ T5605] Bluetooth: hci1: command tx timeout [ 374.812820][ T9865] ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode. [ 374.896799][ T9899] loop0: detected capacity change from 0 to 2048 [ 375.005462][ T9899] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 375.005593][ T9899] ext4 filesystem being mounted at /254/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 375.210817][ T36] kauditd_printk_skb: 1 callbacks suppressed [ 375.210831][ T36] audit: type=1800 audit(1784955682.459:123): pid=9882 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.7.779" name="file1" dev="loop7" ino=15 res=0 errno=0 [ 375.508652][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 375.662484][ T8411] EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 375.816054][ T9907] overlayfs: failed to resolve './file1/file0': -2 [ 376.064454][ T9911] loop0: detected capacity change from 0 to 512 [ 376.070570][ T9911] EXT4-fs: Ignoring removed oldalloc option [ 376.071907][ T9911] EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled [ 376.087837][ T9911] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 376.087951][ T9911] ext4 filesystem being mounted at /256/file2 supports timestamps until 2038-01-19 (0x7fffffff) [ 376.169671][ T9911] EXT4-fs (loop0): shut down requested (2) [ 376.264573][ T5602] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 376.390323][ T5605] Bluetooth: hci5: command tx timeout [ 376.613619][ T9922] ================================================================== [ 376.613666][ T9922] BUG: KASAN: global-out-of-bounds in usb_copy_descriptors+0x1b8/0x320 [ 376.613774][ T9922] Read of size 32 at addr ffffffff99e837a0 by task syz.7.787/9922 [ 376.613789][ T9922] [ 376.613800][ T9922] CPU: 1 UID: 0 PID: 9922 Comm: syz.7.787 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 376.613821][ T9922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 376.613833][ T9922] Call Trace: [ 376.613839][ T9922] [ 376.613847][ T9922] dump_stack_lvl+0xe8/0x150 [ 376.613875][ T9922] print_address_description+0x55/0x1e0 [ 376.613912][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.613929][ T9922] print_report+0x58/0x70 [ 376.613952][ T9922] kasan_report+0x117/0x150 [ 376.614042][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.614063][ T9922] kasan_check_range+0x264/0x2c0 [ 376.614083][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.614102][ T9922] __asan_memcpy+0x29/0x70 [ 376.614133][ T9922] usb_copy_descriptors+0x1b8/0x320 [ 376.614154][ T9922] usb_assign_descriptors+0xcf/0x290 [ 376.614174][ T9922] f_audio_bind+0x1b5e/0x34b0 [ 376.614238][ T9922] usb_add_function+0x290/0x930 [ 376.614288][ T9922] configfs_composite_bind+0xde0/0x1410 [ 376.614338][ T9922] ? __pfx_configfs_composite_bind+0x10/0x10 [ 376.614358][ T9922] gadget_bind_driver+0x2ca/0x9e0 [ 376.614387][ T9922] ? __pfx_gadget_bind_driver+0x10/0x10 [ 376.614410][ T9922] really_probe+0x254/0xae0 [ 376.614490][ T9922] __driver_probe_device+0x1e8/0x360 [ 376.614521][ T9922] driver_probe_device+0x4f/0x240 [ 376.614546][ T9922] __driver_attach+0x339/0x600 [ 376.614570][ T9922] bus_for_each_dev+0x23e/0x2c0 [ 376.614588][ T9922] ? __pfx___driver_attach+0x10/0x10 [ 376.614611][ T9922] ? __pfx_bus_for_each_dev+0x10/0x10 [ 376.614632][ T9922] ? rt_spin_unlock+0x163/0x200 [ 376.614659][ T9922] bus_add_driver+0x348/0x670 [ 376.614679][ T9922] driver_register+0x23a/0x320 [ 376.614705][ T9922] usb_gadget_register_driver_owner+0xf9/0x270 [ 376.614731][ T9922] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 376.614758][ T9922] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 376.614791][ T9922] configfs_write_iter+0x33a/0x430 [ 376.614864][ T9922] vfs_write+0x61e/0xbb0 [ 376.614915][ T9922] ? __pfx_vfs_write+0x10/0x10 [ 376.614937][ T9922] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 376.614958][ T9922] ? lockdep_hardirqs_on+0x7a/0x110 [ 376.614978][ T9922] ? mutex_lock_nested+0x152/0x1d0 [ 376.615001][ T9922] ? fdget_pos+0x252/0x320 [ 376.615048][ T9922] ksys_write+0x156/0x270 [ 376.615070][ T9922] ? __pfx_ksys_write+0x10/0x10 [ 376.615095][ T9922] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 376.615114][ T9922] do_syscall_64+0x174/0x580 [ 376.615134][ T9922] ? trace_irq_disable+0x3b/0x140 [ 376.615152][ T9922] ? clear_bhb_loop+0x40/0x90 [ 376.615171][ T9922] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 376.615188][ T9922] RIP: 0033:0x7f3ccf27de99 [ 376.615205][ T9922] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 376.615220][ T9922] RSP: 002b:00007f3ccd4d6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 376.615240][ T9922] RAX: ffffffffffffffda RBX: 00007f3ccf505fa0 RCX: 00007f3ccf27de99 [ 376.615253][ T9922] RDX: 000000000000000c RSI: 00002000000003c0 RDI: 0000000000000003 [ 376.615266][ T9922] RBP: 00007f3ccf313eaf R08: 0000000000000000 R09: 0000000000000000 [ 376.615276][ T9922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 376.615287][ T9922] R13: 00007f3ccf506038 R14: 00007f3ccf505fa0 R15: 00007fff145e3b98 [ 376.615308][ T9922] [ 376.615314][ T9922] [ 376.615318][ T9922] The buggy address belongs to the variable: [ 376.615324][ T9922] ac_header_desc+0x0/0x20 [ 376.615409][ T9922] [ 376.615413][ T9922] The buggy address belongs to the physical page: [ 376.615426][ T9922] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x19e83 [ 376.615441][ T9922] flags: 0x80000000002000(reserved|node=0|zone=1) [ 376.615468][ T9922] raw: 0080000000002000 ffffea000067a0c8 ffffea000067a0c8 0000000000000000 [ 376.615483][ T9922] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 376.615492][ T9922] page dumped because: kasan: bad access detected [ 376.615509][ T9922] page_owner info is not present (never set?) [ 376.615516][ T9922] [ 376.615520][ T9922] Memory state around the buggy address: [ 376.615529][ T9922] ffffffff99e83680: 00 00 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 376.615541][ T9922] ffffffff99e83700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 376.615552][ T9922] >ffffffff99e83780: f9 f9 f9 f9 00 f9 f9 f9 00 f9 f9 f9 00 f9 f9 f9 [ 376.615560][ T9922] ^ [ 376.615570][ T9922] ffffffff99e83800: 00 00 f9 f9 00 00 f9 f9 00 00 f9 f9 00 00 f9 f9 [ 376.615582][ T9922] ffffffff99e83880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 376.615590][ T9922] ================================================================== [ 376.615605][ T9922] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 376.615617][ T9922] CPU: 1 UID: 0 PID: 9922 Comm: syz.7.787 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 376.615637][ T9922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 376.615647][ T9922] Call Trace: [ 376.615654][ T9922] [ 376.615661][ T9922] vpanic+0x56c/0xa60 [ 376.615681][ T9922] ? __pfx_vpanic+0x10/0x10 [ 376.615702][ T9922] panic+0xc5/0xd0 [ 376.615719][ T9922] ? __pfx_panic+0x10/0x10 [ 376.615737][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.615760][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.615784][ T9922] check_panic_on_warn+0x89/0xb0 [ 376.615834][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.615852][ T9922] end_report+0x73/0x170 [ 376.615873][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.615890][ T9922] kasan_report+0x128/0x150 [ 376.615911][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.615932][ T9922] kasan_check_range+0x264/0x2c0 [ 376.615952][ T9922] ? usb_copy_descriptors+0x1b8/0x320 [ 376.615971][ T9922] __asan_memcpy+0x29/0x70 [ 376.615995][ T9922] usb_copy_descriptors+0x1b8/0x320 [ 376.616015][ T9922] usb_assign_descriptors+0xcf/0x290 [ 376.616034][ T9922] f_audio_bind+0x1b5e/0x34b0 [ 376.616063][ T9922] usb_add_function+0x290/0x930 [ 376.616083][ T9922] configfs_composite_bind+0xde0/0x1410 [ 376.616108][ T9922] ? __pfx_configfs_composite_bind+0x10/0x10 [ 376.616127][ T9922] gadget_bind_driver+0x2ca/0x9e0 [ 376.616156][ T9922] ? __pfx_gadget_bind_driver+0x10/0x10 [ 376.616179][ T9922] really_probe+0x254/0xae0 [ 376.616205][ T9922] __driver_probe_device+0x1e8/0x360 [ 376.616229][ T9922] driver_probe_device+0x4f/0x240 [ 376.616254][ T9922] __driver_attach+0x339/0x600 [ 376.616276][ T9922] bus_for_each_dev+0x23e/0x2c0 [ 376.616294][ T9922] ? __pfx___driver_attach+0x10/0x10 [ 376.616316][ T9922] ? __pfx_bus_for_each_dev+0x10/0x10 [ 376.616336][ T9922] ? rt_spin_unlock+0x163/0x200 [ 376.616363][ T9922] bus_add_driver+0x348/0x670 [ 376.616383][ T9922] driver_register+0x23a/0x320 [ 376.616409][ T9922] usb_gadget_register_driver_owner+0xf9/0x270 [ 376.616435][ T9922] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 376.616460][ T9922] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 376.616486][ T9922] configfs_write_iter+0x33a/0x430 [ 376.616508][ T9922] vfs_write+0x61e/0xbb0 [ 376.616532][ T9922] ? __pfx_vfs_write+0x10/0x10 [ 376.616566][ T9922] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 376.616586][ T9922] ? lockdep_hardirqs_on+0x7a/0x110 [ 376.616606][ T9922] ? mutex_lock_nested+0x152/0x1d0 [ 376.616629][ T9922] ? fdget_pos+0x252/0x320 [ 376.616651][ T9922] ksys_write+0x156/0x270 [ 376.616673][ T9922] ? __pfx_ksys_write+0x10/0x10 [ 376.616698][ T9922] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 376.616716][ T9922] do_syscall_64+0x174/0x580 [ 376.616735][ T9922] ? trace_irq_disable+0x3b/0x140 [ 376.616752][ T9922] ? clear_bhb_loop+0x40/0x90 [ 376.616777][ T9922] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 376.616794][ T9922] RIP: 0033:0x7f3ccf27de99 [ 376.616810][ T9922] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 376.616824][ T9922] RSP: 002b:00007f3ccd4d6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 376.616843][ T9922] RAX: ffffffffffffffda RBX: 00007f3ccf505fa0 RCX: 00007f3ccf27de99 [ 376.616856][ T9922] RDX: 000000000000000c RSI: 00002000000003c0 RDI: 0000000000000003 [ 376.616867][ T9922] RBP: 00007f3ccf313eaf R08: 0000000000000000 R09: 0000000000000000 [ 376.616878][ T9922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 376.616889][ T9922] R13: 00007f3ccf506038 R14: 00007f3ccf505fa0 R15: 00007fff145e3b98 [ 376.616911][ T9922] [ 376.617180][ T9922] Kernel Offset: disabled