program: syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") open(&(0x7f0000000100)='./bus\x00', 0x14927e, 0x0) pwrite64(0xffffffffffffffff, 0x0, 0x0, 0xc00) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r0 = open(&(0x7f0000000000)='./bus\x00', 0xc000, 0xa0) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) openat$sysctl(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/mm/ksm/run\x00', 0x1, 0x0) r1 = getpid() syz_pidfd_open(r1, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='fdinfo/4\x00') read$FUSE(r2, &(0x7f0000001f40)={0x2020}, 0x2020) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r4, 0x11b, 0x4, &(0x7f0000000080)={&(0x7f0000000000)=""/5, 0x214000, 0x800, 0x0, 0x3}, 0x20) setsockopt$XDP_TX_RING(r4, 0x11b, 0x3, &(0x7f0000000180)=0x800, 0x4) r5 = socket$tipc(0x1e, 0x2, 0x0) setsockopt$XDP_UMEM_COMPLETION_RING(r4, 0x11b, 0x6, &(0x7f0000000040)=0x20000, 0x4) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000400)={'dummy0\x00', 0x0}) setsockopt$XDP_UMEM_FILL_RING(r4, 0x11b, 0x5, &(0x7f0000000140)=0x4000, 0x4) bind$xdp(r4, &(0x7f0000000100)={0x2c, 0x0, r6}, 0x10) sendmsg$nl_generic(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000007c0)=ANY=[@ANYBLOB="140000067600010300e550985e036dacaeef0000"], 0x14}}, 0x0) r7 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r7, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) [ 85.206901][ T5296] Bluetooth: hci0: command tx timeout [ 85.287323][ T5336] loop0: detected capacity change from 0 to 512 [ 85.343035][ T5336] EXT4-fs (loop0): invalid journal inode [ 85.356154][ T5336] EXT4-fs (loop0): can't get journal size [ 85.401857][ T5336] EXT4-fs (loop0): 1 truncate cleaned up [ 85.433190][ T5336] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 85.483964][ T5336] loop0: detected capacity change from 512 to 64 [ 85.547899][ T5336] syz.0.0: attempt to access beyond end of device [ 85.547899][ T5336] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 85.554882][ T5336] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 85.560064][ T5336] Buffer I/O error on device loop0, logical block 36 [ 85.563019][ T5336] syz.0.0: attempt to access beyond end of device [ 85.563019][ T5336] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 85.569501][ T5336] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 85.575280][ T5336] Buffer I/O error on device loop0, logical block 39 [ 85.579365][ T5336] syz.0.0: attempt to access beyond end of device [ 85.579365][ T5336] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 85.585392][ T5336] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 85.590186][ T5336] Buffer I/O error on device loop0, logical block 40 [ 85.593008][ T5336] Buffer I/O error on device loop0, logical block 41 [ 85.595781][ T5336] Buffer I/O error on device loop0, logical block 42 [ 85.598486][ T5336] Buffer I/O error on device loop0, logical block 43 [ 85.602903][ T5336] Buffer I/O error on device loop0, logical block 44 [ 85.605717][ T5336] Buffer I/O error on device loop0, logical block 45 [ 85.608464][ T5336] Buffer I/O error on device loop0, logical block 46 [ 85.611542][ T5336] Buffer I/O error on device loop0, logical block 47 [ 85.725824][ T5336] ------------[ cut here ]------------ [ 85.728796][ T5336] kernel BUG at fs/ext4/mballoc.c:4780! [ 85.731263][ T5336] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 85.733929][ T5336] CPU: 0 UID: 0 PID: 5336 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.737530][ T5336] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.741636][ T5336] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.744196][ T5336] Code: e8 14 8e a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 a8 37 ff 90 0f 0b e8 d8 a8 37 ff 90 0f 0b e8 d0 a8 37 ff 90 <0f> 0b e8 c8 a8 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.752305][ T5336] RSP: 0018:ffffc900039d6648 EFLAGS: 00010283 [ 85.754917][ T5336] RAX: ffffffff828e1e40 RBX: 00000000fffffffe RCX: 0000000000100000 [ 85.758204][ T5336] RDX: ffffc90020001000 RSI: 000000000000d5a6 RDI: 000000000000d5a7 [ 85.761596][ T5336] RBP: 1ffff11008dce6ef R08: ffff888046e77efb R09: 1ffff11008dcefdf [ 85.764908][ T5336] R10: dffffc0000000000 R11: ffffed1008dcefe0 R12: 0000000000000000 [ 85.768277][ T5336] R13: 0000000000000074 R14: 1ffff11008dcefe2 R15: ffff888046e77f10 [ 85.771623][ T5336] FS: 00007fec205e06c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 85.775288][ T5336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.778053][ T5336] CR2: 00007fa21ad5c000 CR3: 0000000042f07000 CR4: 0000000000352ef0 [ 85.781394][ T5336] Call Trace: [ 85.782871][ T5336] [ 85.784217][ T5336] ext4_mb_use_preallocated+0x660/0x13f0 [ 85.786596][ T5336] ext4_mb_new_blocks+0x5e2/0x46c0 [ 85.788719][ T5336] ? rcu_is_watching+0x15/0xb0 [ 85.790768][ T5336] ? __mark_inode_dirty+0x4cf/0x13b0 [ 85.792950][ T5336] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 85.795385][ T5336] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 85.797716][ T5336] ? ext4_block_to_path+0x297/0x6f0 [ 85.800234][ T5336] ext4_ind_map_blocks+0xe96/0x2260 [ 85.802464][ T5336] ? __lock_acquire+0x6b5/0x2cf0 [ 85.804616][ T5336] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 85.807039][ T5336] ? stack_depot_save_flags+0x33/0x810 [ 85.809435][ T5336] ? __kasan_slab_alloc+0x6c/0x80 [ 85.811539][ T5336] ? ext4_inode_journal_mode+0x193/0x470 [ 85.813931][ T5336] ? ext4_map_blocks+0x7b5/0x11d0 [ 85.816060][ T5336] ext4_map_create_blocks+0xc1/0x540 [ 85.818329][ T5336] ext4_map_blocks+0x7cd/0x11d0 [ 85.820453][ T5336] ? __pfx_ext4_map_blocks+0x10/0x10 [ 85.822675][ T5336] ? __ext4_journal_ensure_credits+0x30/0x450 [ 85.825361][ T5336] ext4_do_writepages+0x18f3/0x4670 [ 85.827545][ T5336] ? __lock_acquire+0x6b5/0x2cf0 [ 85.829673][ T5336] ? __lock_acquire+0x6b5/0x2cf0 [ 85.831692][ T5336] ? __pfx_ext4_do_writepages+0x10/0x10 [ 85.833862][ T5336] ? __lock_acquire+0x6b5/0x2cf0 [ 85.835646][ T5336] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.838154][ T5336] ? debug_object_free+0x2d7/0x490 [ 85.840243][ T5336] ? ext4_writepages+0x205/0x3b0 [ 85.842371][ T5336] ? ext4_writepages+0x205/0x3b0 [ 85.844465][ T5336] ext4_writepages+0x241/0x3b0 [ 85.846531][ T5336] ? __pfx_ext4_writepages+0x10/0x10 [ 85.848694][ T5336] ? bad_range+0x8b/0x2c0 [ 85.850432][ T5336] ? __pfx_ext4_writepages+0x10/0x10 [ 85.852503][ T5336] do_writepages+0x32e/0x550 [ 85.854326][ T5336] ? do_raw_spin_unlock+0x4d/0x210 [ 85.856372][ T5336] file_write_and_wait_range+0x36e/0x440 [ 85.858700][ T5336] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 85.861229][ T5336] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 85.863774][ T5336] mmb_fsync_noflush+0x76/0x1c0 [ 85.865741][ T5336] ext4_sync_file+0x437/0xd50 [ 85.867781][ T5336] ? __pfx_ext4_sync_file+0x10/0x10 [ 85.869947][ T5336] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 85.872205][ T5336] ? sync_lazytime+0x5e/0x4c0 [ 85.874136][ T5336] ext4_buffered_write_iter+0x2ca/0x3a0 [ 85.876364][ T5336] ext4_file_write_iter+0x298/0x1bf0 [ 85.878581][ T5336] ? __lock_acquire+0x6b5/0x2cf0 [ 85.880652][ T5336] ? __pfx_aa_file_perm+0x10/0x10 [ 85.882802][ T5336] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 85.885129][ T5336] ? preempt_schedule_thunk+0x16/0x30 [ 85.887168][ T5336] do_iter_readv_writev+0x619/0x8c0 [ 85.889355][ T5336] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 85.891662][ T5336] vfs_writev+0x33c/0x990 [ 85.893445][ T5336] ? __pfx_vfs_writev+0x10/0x10 [ 85.895484][ T5336] ? __fget_files+0x2a/0x420 [ 85.897462][ T5336] ? __fget_files+0x3a0/0x420 [ 85.899473][ T5336] ? __fget_files+0x2a/0x420 [ 85.901393][ T5336] __se_sys_pwritev2+0x184/0x2a0 [ 85.903377][ T5336] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 85.905537][ T5336] ? __x64_sys_pwritev2+0x20/0xc0 [ 85.907604][ T5336] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.910251][ T5336] do_syscall_64+0x174/0x580 [ 85.912267][ T5336] ? trace_irq_disable+0x3b/0x140 [ 85.914277][ T5336] ? clear_bhb_loop+0x40/0x90 [ 85.916230][ T5336] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.918639][ T5336] RIP: 0033:0x7fec1f79ce59 [ 85.920515][ T5336] 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 [ 85.928356][ T5336] RSP: 002b:00007fec205dffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 85.931803][ T5336] RAX: ffffffffffffffda RBX: 00007fec1fa15fa0 RCX: 00007fec1f79ce59 [ 85.935138][ T5336] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 000000000000000c [ 85.938417][ T5336] RBP: 00007fec1f832d6f R08: 000000000000000c R09: 0000000000000004 [ 85.941839][ T5336] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 85.945086][ T5336] R13: 00007fec1fa16038 R14: 00007fec1fa15fa0 R15: 00007ffd7de59008 [ 85.948272][ T5336] [ 85.949599][ T5336] Modules linked in: [ 85.951850][ T5336] ---[ end trace 0000000000000000 ]--- [ 85.954397][ T5336] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.956947][ T5336] Code: e8 14 8e a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 a8 37 ff 90 0f 0b e8 d8 a8 37 ff 90 0f 0b e8 d0 a8 37 ff 90 <0f> 0b e8 c8 a8 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.965668][ T5336] RSP: 0018:ffffc900039d6648 EFLAGS: 00010283 [ 85.968221][ T5336] RAX: ffffffff828e1e40 RBX: 00000000fffffffe RCX: 0000000000100000 [ 85.971645][ T5336] RDX: ffffc90020001000 RSI: 000000000000d5a6 RDI: 000000000000d5a7 [ 85.975005][ T5336] RBP: 1ffff11008dce6ef R08: ffff888046e77efb R09: 1ffff11008dcefdf [ 85.978306][ T5336] R10: dffffc0000000000 R11: ffffed1008dcefe0 R12: 0000000000000000 [ 85.981586][ T5336] R13: 0000000000000074 R14: 1ffff11008dcefe2 R15: ffff888046e77f10 [ 85.984947][ T5336] FS: 00007fec205e06c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 85.988519][ T5336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.991312][ T5336] CR2: 00007fa21ad5c000 CR3: 0000000042f07000 CR4: 0000000000352ef0 [ 85.994712][ T5336] Kernel panic - not syncing: Fatal exception [ 85.997650][ T5336] Kernel Offset: disabled [ 85.999494][ T5336] Rebooting in 86400 seconds..