program:
syz_mount_image$udf(&(0x7f0000000080), &(0x7f0000000500)='./bus\x00', 0x18418, &(0x7f0000000200)=ANY=[@ANYRES8=0x0, @ANYRES8], 0xfe, 0x4b1, &(0x7f0000001d00)="$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")
setrlimit(0x1, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff})
truncate(&(0x7f0000000100)='./file1\x00', 0x20fdfffffe)
ftruncate(0xffffffffffffffff, 0x5)
creat(&(0x7f0000000240)='./bus\x00', 0x24)
mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000680)='./bus\x00', 0x0, 0x5000, 0x0)
r0 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x2, 0x0, 0x0, 0x1a, 0xd, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780800d1cbf7966d61f53dc17769048b0000fd0c000000000000000000000000000000000200000000000000000000000000008000", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]})
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x143441, 0x98)
pwritev2(r1, &(0x7f00000001c0)=[{&(0x7f0000000080)="ff", 0xfdef}], 0x1, 0xe7b, 0x0, 0x0)
[ 108.988247][ T5323] loop0: detected capacity change from 0 to 128
[ 109.004148][ T5287] Bluetooth: hci0: command tx timeout
[ 109.047909][ T5323] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256
[ 109.369382][ T5324] loop0: detected capacity change from 128 to 0
[ 109.374451][ T5323] ------------[ cut here ]------------
[ 109.377702][ T5323] le32_to_cpu(aed->lengthAllocDescs) != epos->offset - sizeof(struct allocExtDesc)
[ 109.377722][ T5323] WARNING: fs/udf/inode.c:2086 at __udf_add_aext+0x52b/0x6e0, CPU#0: syz.0.0/5323
[ 109.387758][ T5323] Modules linked in:
[ 109.390362][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 109.393960][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 109.398351][ T5323] RIP: 0010:__udf_add_aext+0x52b/0x6e0
[ 109.400845][ T5323] Code: 81 c4 48 ff ff ff 4c 89 e6 e8 41 85 fc fe 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 d6 72 66 fe 90 <0f> 0b 90 e9 0d fc ff ff e8 c8 72 66 fe 90 0f 0b 90 e9 5f fd ff ff
[ 109.410509][ T5323] RSP: 0018:ffffc9000ef9f1c0 EFLAGS: 00010287
[ 109.413270][ T5323] RAX: ffffffff83600efa RBX: dffffc0000000000 RCX: 0000000000100000
[ 109.416935][ T5323] RDX: ffffc90020001000 RSI: 00000000000008bd RDI: 00000000000008be
[ 109.420493][ T5323] RBP: 1ffff92001df3eb9 R08: ffff88803ec18000 R09: 0000000000000002
[ 109.424191][ T5323] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
[ 109.428913][ T5323] R13: 0000000000000001 R14: ffffc9000ef9f5c0 R15: ffffc9000ef9f5c8
[ 109.432595][ T5323] FS: 00007fe99d4e06c0(0000) GS:ffff88808c54a000(0000) knlGS:0000000000000000
[ 109.435969][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 109.438587][ T5323] CR2: 00007ffe24a9a100 CR3: 0000000012085000 CR4: 0000000000352ef0
[ 109.442216][ T5323] Call Trace:
[ 109.444215][ T5323]
[ 109.445984][ T5323] udf_do_extend_file+0x909/0x11e0
[ 109.448282][ T5323] ? __pfx_udf_do_extend_file+0x10/0x10
[ 109.450813][ T5323] udf_map_block+0xfc0/0x4280
[ 109.452856][ T5323] ? __pfx_udf_map_block+0x10/0x10
[ 109.455066][ T5323] ? check_noncircular+0xda/0x150
[ 109.457720][ T5323] ? add_lock_to_list+0xc7/0x100
[ 109.460470][ T5323] ? do_raw_spin_lock+0x12b/0x2f0
[ 109.463019][ T5323] ? do_raw_spin_unlock+0x4d/0x210
[ 109.465339][ T5323] __udf_get_block+0x52/0x250
[ 109.467942][ T5323] __block_write_begin_int+0x6c2/0x1900
[ 109.470345][ T5323] ? filemap_add_folio+0x350/0x530
[ 109.472823][ T5323] ? __pfx_udf_get_block+0x10/0x10
[ 109.476160][ T5323] ? __pfx___block_write_begin_int+0x10/0x10
[ 109.479015][ T5323] ? __pfx_udf_get_block+0x10/0x10
[ 109.481190][ T5323] block_write_begin+0x8d/0x120
[ 109.483314][ T5323] ? udf_write_begin+0x92/0x270
[ 109.485467][ T5323] udf_write_begin+0x118/0x270
[ 109.487775][ T5323] generic_perform_write+0x2d5/0x8f0
[ 109.490587][ T5323] ? __pfx_generic_perform_write+0x10/0x10
[ 109.494212][ T5323] ? file_update_time_flags+0x400/0x4a0
[ 109.497074][ T5323] ? __generic_file_write_iter+0xf9/0x230
[ 109.499464][ T5323] ? udf_file_write_iter+0x1c4/0x6c0
[ 109.501936][ T5323] udf_file_write_iter+0x2e8/0x6c0
[ 109.504399][ T5323] do_iter_readv_writev+0x612/0x8c0
[ 109.507309][ T5323] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 109.509858][ T5323] vfs_writev+0x343/0x990
[ 109.511844][ T5323] ? __pfx_vfs_writev+0x10/0x10
[ 109.513923][ T5323] ? __fget_files+0x2a/0x420
[ 109.516039][ T5323] ? __fget_files+0x3a2/0x420
[ 109.518312][ T5323] ? __fget_files+0x2a/0x420
[ 109.520510][ T5323] __se_sys_pwritev2+0x177/0x2a0
[ 109.522683][ T5323] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 109.524936][ T5323] ? __x64_sys_pwritev2+0x20/0xc0
[ 109.527297][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.530609][ T5323] do_syscall_64+0x174/0x580
[ 109.533138][ T5323] ? trace_irq_disable+0x3b/0x140
[ 109.535981][ T5323] ? clear_bhb_loop+0x40/0x90
[ 109.537956][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.540527][ T5323] RIP: 0033:0x7fe99c59de59
[ 109.542723][ T5323] 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
[ 109.551294][ T5323] RSP: 002b:00007fe99d4dffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 109.554808][ T5323] RAX: ffffffffffffffda RBX: 00007fe99c825fa0 RCX: 00007fe99c59de59
[ 109.558782][ T5323] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000006
[ 109.562073][ T5323] RBP: 00007fe99c633e6f R08: 0000000000000000 R09: 0000000000000000
[ 109.565411][ T5323] R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000
[ 109.569056][ T5323] R13: 00007fe99c826038 R14: 00007fe99c825fa0 R15: 00007ffd2312e8d8
[ 109.572863][ T5323]
[ 109.574383][ T5323] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 109.577498][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 109.581297][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 109.586455][ T5323] Call Trace:
[ 109.588486][ T5323]
[ 109.589734][ T5323] vpanic+0x56c/0xa60
[ 109.591494][ T5323] ? __pfx__printk+0x10/0x10
[ 109.593538][ T5323] ? __pfx_vpanic+0x10/0x10
[ 109.595506][ T5323] ? is_bpf_text_address+0x292/0x2b0
[ 109.598060][ T5323] ? is_bpf_text_address+0x26/0x2b0
[ 109.600762][ T5323] panic+0xc5/0xd0
[ 109.602813][ T5323] ? __pfx_panic+0x10/0x10
[ 109.605066][ T5323] __warn+0x315/0x4c0
[ 109.606813][ T5323] ? __udf_add_aext+0x52b/0x6e0
[ 109.608857][ T5323] ? __udf_add_aext+0x52b/0x6e0
[ 109.610884][ T5323] __report_bug+0x276/0x570
[ 109.612892][ T5323] ? __udf_add_aext+0x52b/0x6e0
[ 109.614998][ T5323] ? __pfx___report_bug+0x10/0x10
[ 109.617529][ T5323] ? fs_reclaim_acquire+0x7c/0x100
[ 109.620433][ T5323] ? bdev_getblk+0xbd/0x6e0
[ 109.622665][ T5323] ? __udf_add_aext+0x52b/0x6e0
[ 109.624753][ T5323] report_bug+0x16a/0x220
[ 109.626673][ T5323] ? __udf_add_aext+0x52b/0x6e0
[ 109.628890][ T5323] ? __udf_add_aext+0x52d/0x6e0
[ 109.631034][ T5323] handle_bug+0x9c/0x200
[ 109.633147][ T5323] exc_invalid_op+0x1a/0x50
[ 109.635467][ T5323] asm_exc_invalid_op+0x1a/0x20
[ 109.637884][ T5323] RIP: 0010:__udf_add_aext+0x52b/0x6e0
[ 109.640225][ T5323] Code: 81 c4 48 ff ff ff 4c 89 e6 e8 41 85 fc fe 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 d6 72 66 fe 90 <0f> 0b 90 e9 0d fc ff ff e8 c8 72 66 fe 90 0f 0b 90 e9 5f fd ff ff
[ 109.648327][ T5323] RSP: 0018:ffffc9000ef9f1c0 EFLAGS: 00010287
[ 109.651757][ T5323] RAX: ffffffff83600efa RBX: dffffc0000000000 RCX: 0000000000100000
[ 109.655915][ T5323] RDX: ffffc90020001000 RSI: 00000000000008bd RDI: 00000000000008be
[ 109.659331][ T5323] RBP: 1ffff92001df3eb9 R08: ffff88803ec18000 R09: 0000000000000002
[ 109.662687][ T5323] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
[ 109.666203][ T5323] R13: 0000000000000001 R14: ffffc9000ef9f5c0 R15: ffffc9000ef9f5c8
[ 109.670399][ T5323] ? __udf_add_aext+0x52a/0x6e0
[ 109.672703][ T5323] udf_do_extend_file+0x909/0x11e0
[ 109.674816][ T5323] ? __pfx_udf_do_extend_file+0x10/0x10
[ 109.677386][ T5323] udf_map_block+0xfc0/0x4280
[ 109.679496][ T5323] ? __pfx_udf_map_block+0x10/0x10
[ 109.681852][ T5323] ? check_noncircular+0xda/0x150
[ 109.684516][ T5323] ? add_lock_to_list+0xc7/0x100
[ 109.687215][ T5323] ? do_raw_spin_lock+0x12b/0x2f0
[ 109.689487][ T5323] ? do_raw_spin_unlock+0x4d/0x210
[ 109.691708][ T5323] __udf_get_block+0x52/0x250
[ 109.693792][ T5323] __block_write_begin_int+0x6c2/0x1900
[ 109.696584][ T5323] ? filemap_add_folio+0x350/0x530
[ 109.699284][ T5323] ? __pfx_udf_get_block+0x10/0x10
[ 109.701763][ T5323] ? __pfx___block_write_begin_int+0x10/0x10
[ 109.704378][ T5323] ? __pfx_udf_get_block+0x10/0x10
[ 109.706576][ T5323] block_write_begin+0x8d/0x120
[ 109.708979][ T5323] ? udf_write_begin+0x92/0x270
[ 109.711519][ T5323] udf_write_begin+0x118/0x270
[ 109.713863][ T5323] generic_perform_write+0x2d5/0x8f0
[ 109.716368][ T5323] ? __pfx_generic_perform_write+0x10/0x10
[ 109.718958][ T5323] ? file_update_time_flags+0x400/0x4a0
[ 109.721383][ T5323] ? __generic_file_write_iter+0xf9/0x230
[ 109.723879][ T5323] ? udf_file_write_iter+0x1c4/0x6c0
[ 109.726502][ T5323] udf_file_write_iter+0x2e8/0x6c0
[ 109.729262][ T5323] do_iter_readv_writev+0x612/0x8c0
[ 109.731594][ T5323] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 109.733851][ T5323] vfs_writev+0x343/0x990
[ 109.735587][ T5323] ? __pfx_vfs_writev+0x10/0x10
[ 109.737675][ T5323] ? __fget_files+0x2a/0x420
[ 109.739625][ T5323] ? __fget_files+0x3a2/0x420
[ 109.741608][ T5323] ? __fget_files+0x2a/0x420
[ 109.743570][ T5323] __se_sys_pwritev2+0x177/0x2a0
[ 109.745844][ T5323] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 109.748498][ T5323] ? __x64_sys_pwritev2+0x20/0xc0
[ 109.751049][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.753596][ T5323] do_syscall_64+0x174/0x580
[ 109.755522][ T5323] ? trace_irq_disable+0x3b/0x140
[ 109.757874][ T5323] ? clear_bhb_loop+0x40/0x90
[ 109.760296][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.763320][ T5323] RIP: 0033:0x7fe99c59de59
[ 109.765344][ T5323] 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
[ 109.774046][ T5323] RSP: 002b:00007fe99d4dffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 109.778628][ T5323] RAX: ffffffffffffffda RBX: 00007fe99c825fa0 RCX: 00007fe99c59de59
[ 109.781968][ T5323] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000006
[ 109.785297][ T5323] RBP: 00007fe99c633e6f R08: 0000000000000000 R09: 0000000000000000
[ 109.788627][ T5323] R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000
[ 109.792437][ T5323] R13: 00007fe99c826038 R14: 00007fe99c825fa0 R15: 00007ffd2312e8d8
[ 109.796187][ T5323]
[ 109.797952][ T5323] Kernel Offset: disabled
[ 109.799776][ T5323] Rebooting in 86400 seconds..