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)
[ 103.867600][ T4652] Bluetooth: hci0: command tx timeout
[ 103.952794][ T5324] loop0: detected capacity change from 0 to 128
[ 104.061728][ T5324] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256
[ 104.187176][ T5324] loop0: detected capacity change from 128 to 0
[ 104.228601][ T5325] ------------[ cut here ]------------
[ 104.231805][ T5325] le32_to_cpu(aed->lengthAllocDescs) != epos->offset - sizeof(struct allocExtDesc)
[ 104.231889][ T5325] WARNING: fs/udf/inode.c:2086 at __udf_add_aext+0x52b/0x6e0, CPU#0: syz.0.0/5325
[ 104.240478][ T5325] Modules linked in:
[ 104.243578][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 104.248158][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 104.252538][ T5325] RIP: 0010:__udf_add_aext+0x52b/0x6e0
[ 104.255059][ T5325] Code: 81 c4 48 ff ff ff 4c 89 e6 e8 c1 70 fc fe 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0c bb 74 08 cc e8 b6 56 66 fe 90 <0f> 0b 90 e9 0d fc ff ff e8 a8 56 66 fe 90 0f 0b 90 e9 5f fd ff ff
[ 104.264328][ T5325] RSP: 0018:ffffc9000ef3f1c0 EFLAGS: 00010287
[ 104.267425][ T5325] RAX: ffffffff83602b1a RBX: dffffc0000000000 RCX: 0000000000100000
[ 104.270928][ T5325] RDX: ffffc90020001000 RSI: 00000000000007cb RDI: 00000000000007cc
[ 104.274558][ T5325] RBP: 1ffff92001de7eb9 R08: ffff88801afca540 R09: 0000000000000002
[ 104.277960][ T5325] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
[ 104.281530][ T5325] R13: 0000000000000001 R14: ffffc9000ef3f5c0 R15: ffffc9000ef3f5c8
[ 104.285554][ T5325] FS: 00007f4eb8c466c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000
[ 104.289572][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 104.292489][ T5325] CR2: 00007fff6d5497c8 CR3: 000000001af71000 CR4: 0000000000352ef0
[ 104.296191][ T5325] Call Trace:
[ 104.297729][ T5325]
[ 104.299149][ T5325] udf_do_extend_file+0x909/0x11e0
[ 104.301490][ T5325] ? __pfx_udf_do_extend_file+0x10/0x10
[ 104.304055][ T5325] udf_map_block+0xfc0/0x4280
[ 104.307230][ T5325] ? __pfx_udf_map_block+0x10/0x10
[ 104.309474][ T5325] ? check_noncircular+0xda/0x150
[ 104.311686][ T5325] ? add_lock_to_list+0xc7/0x100
[ 104.313759][ T5325] ? do_raw_spin_lock+0x12b/0x2f0
[ 104.315961][ T5325] ? do_raw_spin_unlock+0x4d/0x210
[ 104.318202][ T5325] __udf_get_block+0x52/0x250
[ 104.320342][ T5325] __block_write_begin_int+0x6c2/0x1900
[ 104.322937][ T5325] ? filemap_add_folio+0x350/0x530
[ 104.326022][ T5325] ? __pfx_udf_get_block+0x10/0x10
[ 104.328744][ T5325] ? __pfx___block_write_begin_int+0x10/0x10
[ 104.331648][ T5325] ? __pfx_udf_get_block+0x10/0x10
[ 104.333886][ T5325] block_write_begin+0x8d/0x120
[ 104.336273][ T5325] ? udf_write_begin+0x92/0x270
[ 104.338469][ T5325] udf_write_begin+0x118/0x270
[ 104.340623][ T5325] generic_perform_write+0x2d5/0x8f0
[ 104.343135][ T5325] ? __pfx_generic_perform_write+0x10/0x10
[ 104.346181][ T5325] ? file_update_time_flags+0x400/0x4a0
[ 104.348975][ T5325] ? __generic_file_write_iter+0xf9/0x230
[ 104.351595][ T5325] ? udf_file_write_iter+0x1c4/0x6c0
[ 104.354000][ T5325] udf_file_write_iter+0x2e8/0x6c0
[ 104.356464][ T5325] do_iter_readv_writev+0x612/0x8c0
[ 104.358887][ T5325] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 104.361517][ T5325] vfs_writev+0x343/0x990
[ 104.363630][ T5325] ? __pfx_vfs_writev+0x10/0x10
[ 104.366066][ T5325] ? __fget_files+0x2a/0x420
[ 104.368189][ T5325] ? __fget_files+0x3a2/0x420
[ 104.370338][ T5325] ? __fget_files+0x2a/0x420
[ 104.372456][ T5325] __se_sys_pwritev2+0x177/0x2a0
[ 104.374831][ T5325] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 104.377583][ T5325] ? __x64_sys_pwritev2+0x20/0xc0
[ 104.380217][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.383129][ T5325] do_syscall_64+0x174/0x580
[ 104.386028][ T5325] ? trace_irq_disable+0x3b/0x140
[ 104.388271][ T5325] ? clear_bhb_loop+0x40/0x90
[ 104.390383][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.392909][ T5325] RIP: 0033:0x7f4eb7d9de99
[ 104.395114][ T5325] 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
[ 104.403632][ T5325] RSP: 002b:00007f4eb8c45fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 104.407715][ T5325] RAX: ffffffffffffffda RBX: 00007f4eb8026090 RCX: 00007f4eb7d9de99
[ 104.411018][ T5325] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000006
[ 104.414604][ T5325] RBP: 00007f4eb7e33eaf R08: 0000000000000000 R09: 0000000000000000
[ 104.418001][ T5325] R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000
[ 104.421780][ T5325] R13: 00007f4eb8026128 R14: 00007f4eb8026090 R15: 00007fff93b64438
[ 104.426124][ T5325]
[ 104.428043][ T5325] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 104.431300][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 104.435270][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 104.439590][ T5325] Call Trace:
[ 104.441050][ T5325]
[ 104.442331][ T5325] vpanic+0x56c/0xa60
[ 104.444366][ T5325] ? __pfx__printk+0x10/0x10
[ 104.446986][ T5325] ? __pfx_vpanic+0x10/0x10
[ 104.449047][ T5325] ? is_bpf_text_address+0x292/0x2b0
[ 104.451574][ T5325] ? is_bpf_text_address+0x26/0x2b0
[ 104.454401][ T5325] panic+0xc5/0xd0
[ 104.456411][ T5325] ? __pfx_panic+0x10/0x10
[ 104.458649][ T5325] __warn+0x315/0x4c0
[ 104.460483][ T5325] ? __udf_add_aext+0x52b/0x6e0
[ 104.462516][ T5325] ? __udf_add_aext+0x52b/0x6e0
[ 104.464462][ T5325] __report_bug+0x276/0x570
[ 104.466834][ T5325] ? __udf_add_aext+0x52b/0x6e0
[ 104.469405][ T5325] ? __pfx___report_bug+0x10/0x10
[ 104.471717][ T5325] ? fs_reclaim_acquire+0x7c/0x100
[ 104.473932][ T5325] ? bdev_getblk+0xbd/0x6e0
[ 104.475877][ T5325] ? __udf_add_aext+0x52b/0x6e0
[ 104.478330][ T5325] report_bug+0x16a/0x220
[ 104.480544][ T5325] ? __udf_add_aext+0x52b/0x6e0
[ 104.482699][ T5325] ? __udf_add_aext+0x52d/0x6e0
[ 104.484764][ T5325] handle_bug+0x9c/0x200
[ 104.486558][ T5325] exc_invalid_op+0x1a/0x50
[ 104.488749][ T5325] asm_exc_invalid_op+0x1a/0x20
[ 104.491008][ T5325] RIP: 0010:__udf_add_aext+0x52b/0x6e0
[ 104.493417][ T5325] Code: 81 c4 48 ff ff ff 4c 89 e6 e8 c1 70 fc fe 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0c bb 74 08 cc e8 b6 56 66 fe 90 <0f> 0b 90 e9 0d fc ff ff e8 a8 56 66 fe 90 0f 0b 90 e9 5f fd ff ff
[ 104.501729][ T5325] RSP: 0018:ffffc9000ef3f1c0 EFLAGS: 00010287
[ 104.504349][ T5325] RAX: ffffffff83602b1a RBX: dffffc0000000000 RCX: 0000000000100000
[ 104.507867][ T5325] RDX: ffffc90020001000 RSI: 00000000000007cb RDI: 00000000000007cc
[ 104.511508][ T5325] RBP: 1ffff92001de7eb9 R08: ffff88801afca540 R09: 0000000000000002
[ 104.514855][ T5325] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
[ 104.518089][ T5325] R13: 0000000000000001 R14: ffffc9000ef3f5c0 R15: ffffc9000ef3f5c8
[ 104.521474][ T5325] ? __udf_add_aext+0x52a/0x6e0
[ 104.523751][ T5325] udf_do_extend_file+0x909/0x11e0
[ 104.526222][ T5325] ? __pfx_udf_do_extend_file+0x10/0x10
[ 104.528856][ T5325] udf_map_block+0xfc0/0x4280
[ 104.530940][ T5325] ? __pfx_udf_map_block+0x10/0x10
[ 104.533132][ T5325] ? check_noncircular+0xda/0x150
[ 104.535343][ T5325] ? add_lock_to_list+0xc7/0x100
[ 104.537611][ T5325] ? do_raw_spin_lock+0x12b/0x2f0
[ 104.539804][ T5325] ? do_raw_spin_unlock+0x4d/0x210
[ 104.542034][ T5325] __udf_get_block+0x52/0x250
[ 104.544157][ T5325] __block_write_begin_int+0x6c2/0x1900
[ 104.546558][ T5325] ? filemap_add_folio+0x350/0x530
[ 104.548862][ T5325] ? __pfx_udf_get_block+0x10/0x10
[ 104.551112][ T5325] ? __pfx___block_write_begin_int+0x10/0x10
[ 104.553526][ T5325] ? __pfx_udf_get_block+0x10/0x10
[ 104.555609][ T5325] block_write_begin+0x8d/0x120
[ 104.557780][ T5325] ? udf_write_begin+0x92/0x270
[ 104.562994][ T5325] udf_write_begin+0x118/0x270
[ 104.565062][ T5325] generic_perform_write+0x2d5/0x8f0
[ 104.567307][ T5325] ? __pfx_generic_perform_write+0x10/0x10
[ 104.569934][ T5325] ? file_update_time_flags+0x400/0x4a0
[ 104.572432][ T5325] ? __generic_file_write_iter+0xf9/0x230
[ 104.575143][ T5325] ? udf_file_write_iter+0x1c4/0x6c0
[ 104.577668][ T5325] udf_file_write_iter+0x2e8/0x6c0
[ 104.579942][ T5325] do_iter_readv_writev+0x612/0x8c0
[ 104.582273][ T5325] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 104.584775][ T5325] vfs_writev+0x343/0x990
[ 104.586653][ T5325] ? __pfx_vfs_writev+0x10/0x10
[ 104.588750][ T5325] ? __fget_files+0x2a/0x420
[ 104.590919][ T5325] ? __fget_files+0x3a2/0x420
[ 104.593107][ T5325] ? __fget_files+0x2a/0x420
[ 104.595072][ T5325] __se_sys_pwritev2+0x177/0x2a0
[ 104.597175][ T5325] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 104.599309][ T5325] ? __x64_sys_pwritev2+0x20/0xc0
[ 104.601319][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.603829][ T5325] do_syscall_64+0x174/0x580
[ 104.606002][ T5325] ? trace_irq_disable+0x3b/0x140
[ 104.608859][ T5325] ? clear_bhb_loop+0x40/0x90
[ 104.611574][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.614283][ T5325] RIP: 0033:0x7f4eb7d9de99
[ 104.616333][ T5325] 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
[ 104.624477][ T5325] RSP: 002b:00007f4eb8c45fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 104.628459][ T5325] RAX: ffffffffffffffda RBX: 00007f4eb8026090 RCX: 00007f4eb7d9de99
[ 104.632144][ T5325] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000006
[ 104.635558][ T5325] RBP: 00007f4eb7e33eaf R08: 0000000000000000 R09: 0000000000000000
[ 104.638993][ T5325] R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000
[ 104.642254][ T5325] R13: 00007f4eb8026128 R14: 00007f4eb8026090 R15: 00007fff93b64438
[ 104.645717][ T5325]
[ 104.647620][ T5325] Kernel Offset: disabled
[ 104.649540][ T5325] Rebooting in 86400 seconds..