program: chdir(0x0) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000005c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x10000, {{@in=@multicast2, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x29}, {0x8, 0x0, 0x100000001, 0x0, 0x0, 0xffffffffffffb473, 0xffffffffffffffff}, {0x1000000000, 0x2000000000000000, 0x0, 0xffffffffffffffff}, 0xfffffffe}}, 0xb8}}, 0x4004) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000480)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast1=0xe0000002, @in, 0x4, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x87}, {0x0, 0xad9, 0x0, 0xe9, 0x0, 0x0, 0x0, 0xfffffffffffffffb}, {0x0, 0x0, 0x200000000000000}}}, 0xb8}}, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = socket$inet_udp(0x2, 0x2, 0x0) close(r4) r5 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000680)=ANY=[@ANYBLOB="b80000001500010000000000fddbdf252001000000000000000000000000000100000000000000000000000000000001000000004e2300000a00100000000000", @ANYBLOB="f32e62d1744eedc278b4bd2d0a5189dfa127e45004ef156511a30b55976e7dd18ba86d8a5feba74638fe9e14b6c718aa4ede504efb623dbc8b4f64426f8ec8ae6777b4f52a77c219358bc43a714a6bbd4f73703e7d1b", @ANYRES32=0x0, @ANYBLOB='\b'], 0xb8}}, 0x0) write$binfmt_misc(r3, &(0x7f0000000000), 0xfffffecc) splice(r2, 0x0, r4, 0x0, 0x4ffe6, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./mnt\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./mnt/usb_gadget/g1\x00', 0x1ff) socket$nl_route(0x10, 0x3, 0x0) r6 = syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0) r7 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r7, &(0x7f0000000280)=[{&(0x7f0000000200)="580000001500add427323b472545b4560a117fff0b0082001b59000f00ff0028925aa80020007b00090080000efffeffe809000000ff0000f03ac7100003ffffffffffffbfffffffffe7ee00000000000004000000000000", 0x58}], 0x1) sched_setscheduler(0x0, 0x1, &(0x7f0000000400)=0x7) ftruncate(r6, 0x799d) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r8 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r8, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r9 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r9, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt/usb_gadget/g1/functions/ncm.usb0\x00', 0x1ff) open(&(0x7f00000008c0)='./mnt/usb_gadget/g1/functions/ncm.usb0/max_segment_size\x00', 0x0, 0xe2) [ 86.253049][ T5312] netlink: 104 bytes leftover after parsing attributes in process `syz.0.0'. [ 86.347279][ T5313] loop0: detected capacity change from 0 to 512 [ 86.377477][ T5313] EXT4-fs (loop0): invalid journal inode [ 86.388031][ T5313] EXT4-fs (loop0): can't get journal size [ 86.415457][ T5276] Bluetooth: hci0: command tx timeout [ 86.427375][ T5313] EXT4-fs (loop0): 1 truncate cleaned up [ 86.448941][ T5313] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 86.505244][ T5313] loop0: detected capacity change from 512 to 64 [ 86.520542][ T5313] syz.0.0: attempt to access beyond end of device [ 86.520542][ T5313] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 86.525793][ T5313] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 86.530786][ T5313] Buffer I/O error on device loop0, logical block 36 [ 86.533579][ T5313] syz.0.0: attempt to access beyond end of device [ 86.533579][ T5313] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 86.538903][ T5313] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 86.543655][ T5313] Buffer I/O error on device loop0, logical block 39 [ 86.547713][ T5313] syz.0.0: attempt to access beyond end of device [ 86.547713][ T5313] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 86.553249][ T5313] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 86.557972][ T5313] Buffer I/O error on device loop0, logical block 40 [ 86.560695][ T5313] Buffer I/O error on device loop0, logical block 41 [ 86.563339][ T5313] Buffer I/O error on device loop0, logical block 42 [ 86.565987][ T5313] Buffer I/O error on device loop0, logical block 43 [ 86.568688][ T5313] Buffer I/O error on device loop0, logical block 44 [ 86.571293][ T5313] Buffer I/O error on device loop0, logical block 45 [ 86.573910][ T5313] Buffer I/O error on device loop0, logical block 46 [ 86.576655][ T5313] Buffer I/O error on device loop0, logical block 47 [ 86.685258][ T5313] ------------[ cut here ]------------ [ 86.688390][ T5313] kernel BUG at fs/ext4/mballoc.c:4780! [ 86.690792][ T5313] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 86.693455][ T5313] CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.697162][ T5313] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 86.701305][ T5313] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 86.703942][ T5313] Code: e8 d6 38 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 42 03 34 ff 90 0f 0b e8 3a 03 34 ff 90 0f 0b e8 32 03 34 ff 90 <0f> 0b e8 2a 03 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 86.712106][ T5313] RSP: 0018:ffffc9000e3166a0 EFLAGS: 00010283 [ 86.714582][ T5313] RAX: ffffffff82930e7e RBX: 00000000fffffffe RCX: 0000000000100000 [ 86.717886][ T5313] RDX: ffffc9000f6e9000 RSI: 000000000000d40d RDI: 000000000000d40e [ 86.721141][ T5313] RBP: 1ffff1100883a4ef R08: ffff8880441d6efb R09: 1ffff1100883addf [ 86.724544][ T5313] R10: dffffc0000000000 R11: ffffed100883ade0 R12: 0000000000000000 [ 86.727942][ T5313] R13: 0000000000000074 R14: 1ffff1100883ade2 R15: ffff8880441d6f10 [ 86.731231][ T5313] FS: 00007fdbd6a146c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 86.735060][ T5313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.737880][ T5313] CR2: 00007fdbd69f2fe8 CR3: 000000001244b000 CR4: 0000000000352ef0 [ 86.741365][ T5313] Call Trace: [ 86.742800][ T5313] [ 86.744060][ T5313] ext4_mb_use_preallocated+0x638/0x13e0 [ 86.746450][ T5313] ext4_mb_new_blocks+0x5a0/0x4530 [ 86.748566][ T5313] ? rcu_is_watching+0x15/0xb0 [ 86.750549][ T5313] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 86.752888][ T5313] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 86.755167][ T5313] ? ext4_block_to_path+0x382/0x700 [ 86.757360][ T5313] ext4_ind_map_blocks+0xe96/0x22a0 [ 86.759628][ T5313] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 86.762038][ T5313] ? kasan_save_track+0x4f/0x80 [ 86.764157][ T5313] ? ext4_map_blocks+0x7cc/0x1240 [ 86.766365][ T5313] ? down_write+0x16d/0x200 [ 86.768368][ T5313] ext4_map_create_blocks+0xbb/0x530 [ 86.770712][ T5313] ? ext4_fc_track_inode+0xf3/0x3f0 [ 86.772907][ T5313] ext4_map_blocks+0x7e4/0x1240 [ 86.774974][ T5313] ? __pfx_ext4_map_blocks+0x10/0x10 [ 86.777228][ T5313] ? __ext4_journal_ensure_credits+0x30/0x450 [ 86.779873][ T5313] ext4_do_writepages+0x19e3/0x47a0 [ 86.782052][ T5313] ? __lock_acquire+0x683/0x2cf0 [ 86.784126][ T5313] ? __pfx_ext4_do_writepages+0x10/0x10 [ 86.786540][ T5313] ? __lock_acquire+0x683/0x2cf0 [ 86.788579][ T5313] ? __free_object+0x432/0x5d0 [ 86.790759][ T5313] ? lockdep_hardirqs_on+0x7a/0x110 [ 86.793006][ T5313] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 86.795459][ T5313] ? debug_object_free+0x29c/0x340 [ 86.797694][ T5313] ? ext4_writepages+0x205/0x3b0 [ 86.799762][ T5313] ? ext4_writepages+0x205/0x3b0 [ 86.801867][ T5313] ext4_writepages+0x241/0x3b0 [ 86.803985][ T5313] ? __pfx_ext4_writepages+0x10/0x10 [ 86.806279][ T5313] ? __pfx_ext4_writepages+0x10/0x10 [ 86.808466][ T5313] do_writepages+0x338/0x560 [ 86.810474][ T5313] ? do_raw_spin_unlock+0x4d/0x210 [ 86.812565][ T5313] file_write_and_wait_range+0x36e/0x440 [ 86.814923][ T5313] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 86.817501][ T5313] ? __folio_put+0x4b3/0x590 [ 86.819482][ T5313] ? __pfx_ext4_write_begin+0x10/0x10 [ 86.821701][ T5313] mmb_fsync_noflush+0x73/0x1d0 [ 86.823834][ T5313] ext4_sync_file+0x41a/0xd00 [ 86.825900][ T5313] ? __pfx_ext4_sync_file+0x10/0x10 [ 86.828088][ T5313] ? ext4_buffered_write_iter+0xd6/0x370 [ 86.830436][ T5313] ? sync_lazytime+0x5a/0x4c0 [ 86.832435][ T5313] ext4_buffered_write_iter+0x2c7/0x370 [ 86.834826][ T5313] ext4_file_write_iter+0x947/0x1c70 [ 86.837133][ T5313] ? __lock_acquire+0x683/0x2cf0 [ 86.839270][ T5313] ? __futex_wait+0x358/0x400 [ 86.841311][ T5313] ? __pfx_aa_file_perm+0x10/0x10 [ 86.843479][ T5313] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 86.846011][ T5313] ? __pfx___futex_wait+0x10/0x10 [ 86.848178][ T5313] do_iter_readv_writev+0x612/0x8c0 [ 86.850441][ T5313] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 86.852907][ T5313] vfs_writev+0x343/0x990 [ 86.854775][ T5313] ? __pfx_vfs_writev+0x10/0x10 [ 86.856881][ T5313] ? __fget_files+0x2a/0x420 [ 86.858948][ T5313] ? __fget_files+0x3a2/0x420 [ 86.861009][ T5313] ? __fget_files+0x2a/0x420 [ 86.863035][ T5313] __se_sys_pwritev2+0x177/0x2a0 [ 86.865255][ T5313] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 86.867631][ T5313] ? __x64_sys_pwritev2+0x20/0xc0 [ 86.869853][ T5313] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.872454][ T5313] do_syscall_64+0x174/0x580 [ 86.874508][ T5313] ? trace_irq_disable+0x3b/0x140 [ 86.876638][ T5313] ? clear_bhb_loop+0x70/0xc0 [ 86.878632][ T5313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.881182][ T5313] RIP: 0033:0x7fdbd5b9e0d9 [ 86.883103][ T5313] 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 [ 86.891186][ T5313] RSP: 002b:00007fdbd6a13fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 86.894771][ T5313] RAX: ffffffffffffffda RBX: 00007fdbd5e26090 RCX: 00007fdbd5b9e0d9 [ 86.898153][ T5313] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 000000000000000d [ 86.901573][ T5313] RBP: 00007fdbd5c35024 R08: 000000000000000c R09: 0000000000000004 [ 86.904808][ T5313] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 86.907437][ T5313] R13: 00007fdbd5e26128 R14: 00007fdbd5e26090 R15: 00007ffe1d56f178 [ 86.910811][ T5313] [ 86.912126][ T5313] Modules linked in: [ 86.914359][ T5313] ---[ end trace 0000000000000000 ]--- [ 86.916755][ T5313] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 86.919356][ T5313] Code: e8 d6 38 a3 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 42 03 34 ff 90 0f 0b e8 3a 03 34 ff 90 0f 0b e8 32 03 34 ff 90 <0f> 0b e8 2a 03 34 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 86.927468][ T5313] RSP: 0018:ffffc9000e3166a0 EFLAGS: 00010283 [ 86.930109][ T5313] RAX: ffffffff82930e7e RBX: 00000000fffffffe RCX: 0000000000100000 [ 86.933508][ T5313] RDX: ffffc9000f6e9000 RSI: 000000000000d40d RDI: 000000000000d40e [ 86.937007][ T5313] RBP: 1ffff1100883a4ef R08: ffff8880441d6efb R09: 1ffff1100883addf [ 86.940426][ T5313] R10: dffffc0000000000 R11: ffffed100883ade0 R12: 0000000000000000 [ 86.943851][ T5313] R13: 0000000000000074 R14: 1ffff1100883ade2 R15: ffff8880441d6f10 [ 86.947322][ T5313] FS: 00007fdbd6a146c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 86.951160][ T5313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.954038][ T5313] CR2: 00007fdbd69f2fe8 CR3: 000000001244b000 CR4: 0000000000352ef0 [ 86.957522][ T5313] Kernel panic - not syncing: Fatal exception [ 86.960475][ T5313] Kernel Offset: disabled [ 86.962349][ T5313] Rebooting in 86400 seconds..