program:
syz_mount_image$bfs(&(0x7f0000000000), &(0x7f0000000240)='./bus\x00', 0x8008, &(0x7f0000000100)=ANY=[@ANYRES64=0x0], 0xf, 0xab, &(0x7f0000010140)="$eJzs1zGKwkAYBeB/s7CbdptFsLBO4x08ilhqI1aK4A3Ei3gVj5DewiKtiCOYiIidRQT5vmLgzWPgtbM7brubIiKtIlLRme7T3Wy+GA8n9Rl8pCwifiMij4jeX50Pg7r7avqyWo7K6vv58c+69b0AAMDrsug/5nNqLk7NL/Aa/m993vI+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgHe7BAAA//+dfyiL")
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.current\x00', 0x275a, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file2\x00', 0x143042, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.events\x00', 0x275a, 0x0)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./file7\x00', 0x105042, 0x1ff)
linkat(0xffffffffffffff9c, &(0x7f0000000000)='./file4\x00', 0xffffffffffffff9c, &(0x7f00000006c0)='./file5\x00', 0x0)
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00'], 0x2, 0x58a, &(0x7f0000000740)="$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")
write$binfmt_script(r0, &(0x7f00000008c0), 0xfecc)
openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000006ac0)='cpuacct.stat\x00', 0x275a, 0x0)
openat$incfs(0xffffffffffffff9c, &(0x7f0000000640)='.log\x00', 0xa5d, 0x1)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x161442, 0xb6)
syz_clone(0x2000400, 0x0, 0xfffffebf, 0x0, 0x0, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='pids.current\x00', 0x275a, 0x0)
open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpu.stat\x00', 0x275a, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='freezer.state\x00', 0x275a, 0x0)
mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x12, r0, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0)
[ 102.925612][ T4653] Bluetooth: hci0: command tx timeout
[ 103.042235][ T5325] loop0: detected capacity change from 0 to 64
[ 104.452607][ T5325] ------------[ cut here ]------------
[ 104.456099][ T5325] !buffer_uptodate(bh)
[ 104.456119][ T5325] WARNING: fs/buffer.c:1093 at mark_buffer_dirty+0x299/0x410, CPU#0: syz.0.0/5325
[ 104.471796][ T5325] Modules linked in:
[ 104.475906][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 104.480698][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 104.485445][ T5325] RIP: 0010:mark_buffer_dirty+0x299/0x410
[ 104.488005][ T5325] Code: 4c 89 f7 e8 c9 11 d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 5e fb ff e8 8f f3 69 ff eb 8c e8 88 f3 69 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 7a f3 69 ff 90 0f 0b 90 e9 cf fd ff ff
[ 104.501180][ T5325] RSP: 0000:ffffc90006ce7828 EFLAGS: 00010287
[ 104.504258][ T5325] RAX: ffffffff825c7e88 RBX: ffff888032567b60 RCX: 0000000000100000
[ 104.508944][ T5325] RDX: ffffc90020802000 RSI: 0000000000000d0e RDI: 0000000000000d0f
[ 104.514897][ T5325] RBP: 0000000000000201 R08: ffff888032567b67 R09: 1ffff110064acf6c
[ 104.521023][ T5325] R10: dffffc0000000000 R11: ffffed10064acf6d R12: 000000000000000a
[ 104.526689][ T5325] R13: ffff888032567b60 R14: ffff888043b5ca80 R15: dffffc0000000000
[ 104.532756][ T5325] FS: 00007f26023ac6c0(0000) GS:ffff88808c815000(0000) knlGS:0000000000000000
[ 104.548029][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 104.561892][ T5325] CR2: 00007f260180f0e0 CR3: 000000001f68e000 CR4: 0000000000352ef0
[ 104.567304][ T5325] Call Trace:
[ 104.569788][ T5325]
[ 104.585322][ T5325] bfs_get_block+0x5c6/0xb50
[ 104.588308][ T5325] __block_write_begin_int+0x6c2/0x1900
[ 104.592322][ T5325] ? __pfx_bfs_get_block+0x10/0x10
[ 104.595966][ T5325] ? __pfx___block_write_begin_int+0x10/0x10
[ 104.600490][ T5325] ? __pfx_bfs_get_block+0x10/0x10
[ 104.607415][ T5325] block_write_begin+0x8d/0x120
[ 104.610960][ T5325] ? bfs_write_begin+0x1e/0xd0
[ 104.614998][ T5325] bfs_write_begin+0x35/0xd0
[ 104.618776][ T5325] generic_perform_write+0x2d5/0x8f0
[ 104.621856][ T5325] ? __pfx_generic_perform_write+0x10/0x10
[ 104.625824][ T5325] ? file_update_time_flags+0x400/0x4a0
[ 104.628968][ T5325] ? __generic_file_write_iter+0xf9/0x230
[ 104.631821][ T5325] ? generic_file_write_iter+0x9a/0x330
[ 104.639450][ T5325] generic_file_write_iter+0xae/0x330
[ 104.652813][ T5325] vfs_write+0x612/0xba0
[ 104.655652][ T5325] ? __pfx_vfs_write+0x10/0x10
[ 104.659596][ T5325] ? __fget_files+0x2a/0x420
[ 104.663531][ T5325] ksys_write+0x150/0x270
[ 104.670095][ T5325] ? __pfx_ksys_write+0x10/0x10
[ 104.673347][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.683681][ T5325] do_syscall_64+0x174/0x580
[ 104.686935][ T5325] ? trace_irq_disable+0x3b/0x140
[ 104.693084][ T5325] ? clear_bhb_loop+0x40/0x90
[ 104.697230][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.703139][ T5325] RIP: 0033:0x7f260159ce59
[ 104.706157][ 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
[ 104.723837][ T5325] RSP: 002b:00007f26023abfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 104.731151][ T5325] RAX: ffffffffffffffda RBX: 00007f2601815fa0 RCX: 00007f260159ce59
[ 104.737207][ T5325] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000007
[ 104.743398][ T5325] RBP: 00007f2601632e6f R08: 0000000000000000 R09: 0000000000000000
[ 104.748500][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 104.754395][ T5325] R13: 00007f2601816038 R14: 00007f2601815fa0 R15: 00007ffd00fdfdd8
[ 104.761900][ T5325]
[ 104.764863][ T5325] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 104.770448][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 104.775875][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 104.780287][ T5325] Call Trace:
[ 104.781644][ T5325]
[ 104.782910][ T5325] vpanic+0x56c/0xa60
[ 104.784738][ T5325] ? __pfx__printk+0x10/0x10
[ 104.786993][ T5325] ? __pfx_vpanic+0x10/0x10
[ 104.790485][ T5325] ? is_bpf_text_address+0x292/0x2b0
[ 104.794055][ T5325] ? is_bpf_text_address+0x26/0x2b0
[ 104.797155][ T5325] panic+0xc5/0xd0
[ 104.798918][ T5325] ? __pfx_panic+0x10/0x10
[ 104.800831][ T5325] __warn+0x315/0x4c0
[ 104.803986][ T5325] ? mark_buffer_dirty+0x299/0x410
[ 104.809314][ T5325] ? mark_buffer_dirty+0x299/0x410
[ 104.814081][ T5325] __report_bug+0x331/0x530
[ 104.818065][ T5325] ? filemap_get_entry+0xcd/0x3f0
[ 104.822068][ T5325] ? filemap_get_entry+0xcd/0x3f0
[ 104.825351][ T5325] ? mark_buffer_dirty+0x299/0x410
[ 104.828479][ T5325] ? __pfx___report_bug+0x10/0x10
[ 104.830890][ T5325] ? __pfx_folio_mark_accessed+0x10/0x10
[ 104.833311][ T5325] ? mark_buffer_dirty+0x299/0x410
[ 104.835492][ T5325] report_bug+0x16a/0x220
[ 104.837386][ T5325] ? mark_buffer_dirty+0x299/0x410
[ 104.840321][ T5325] ? mark_buffer_dirty+0x29b/0x410
[ 104.844826][ T5325] handle_bug+0x9c/0x200
[ 104.847841][ T5325] exc_invalid_op+0x1a/0x50
[ 104.852122][ T5325] asm_exc_invalid_op+0x1a/0x20
[ 104.855758][ T5325] RIP: 0010:mark_buffer_dirty+0x299/0x410
[ 104.861877][ T5325] Code: 4c 89 f7 e8 c9 11 d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 5e fb ff e8 8f f3 69 ff eb 8c e8 88 f3 69 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 7a f3 69 ff 90 0f 0b 90 e9 cf fd ff ff
[ 104.878076][ T5325] RSP: 0000:ffffc90006ce7828 EFLAGS: 00010287
[ 104.883187][ T5325] RAX: ffffffff825c7e88 RBX: ffff888032567b60 RCX: 0000000000100000
[ 104.889222][ T5325] RDX: ffffc90020802000 RSI: 0000000000000d0e RDI: 0000000000000d0f
[ 104.896014][ T5325] RBP: 0000000000000201 R08: ffff888032567b67 R09: 1ffff110064acf6c
[ 104.902618][ T5325] R10: dffffc0000000000 R11: ffffed10064acf6d R12: 000000000000000a
[ 104.909270][ T5325] R13: ffff888032567b60 R14: ffff888043b5ca80 R15: dffffc0000000000
[ 104.926551][ T5325] ? mark_buffer_dirty+0x298/0x410
[ 104.930289][ T5325] ? mark_buffer_dirty+0x298/0x410
[ 104.934431][ T5325] bfs_get_block+0x5c6/0xb50
[ 104.938461][ T5325] __block_write_begin_int+0x6c2/0x1900
[ 104.943175][ T5325] ? __pfx_bfs_get_block+0x10/0x10
[ 104.946741][ T5325] ? __pfx___block_write_begin_int+0x10/0x10
[ 104.950550][ T5325] ? __pfx_bfs_get_block+0x10/0x10
[ 104.953473][ T5325] block_write_begin+0x8d/0x120
[ 104.955579][ T5325] ? bfs_write_begin+0x1e/0xd0
[ 104.957787][ T5325] bfs_write_begin+0x35/0xd0
[ 104.965308][ T5325] generic_perform_write+0x2d5/0x8f0
[ 104.969846][ T5325] ? __pfx_generic_perform_write+0x10/0x10
[ 104.972843][ T5325] ? file_update_time_flags+0x400/0x4a0
[ 104.975362][ T5325] ? __generic_file_write_iter+0xf9/0x230
[ 104.978373][ T5325] ? generic_file_write_iter+0x9a/0x330
[ 104.980880][ T5325] generic_file_write_iter+0xae/0x330
[ 105.003535][ T5325] vfs_write+0x612/0xba0
[ 105.005672][ T5325] ? __pfx_vfs_write+0x10/0x10
[ 105.008196][ T5325] ? __fget_files+0x2a/0x420
[ 105.010431][ T5325] ksys_write+0x150/0x270
[ 105.022816][ T5325] ? __pfx_ksys_write+0x10/0x10
[ 105.033982][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 105.037694][ T5325] do_syscall_64+0x174/0x580
[ 105.040476][ T5325] ? trace_irq_disable+0x3b/0x140
[ 105.054353][ T5325] ? clear_bhb_loop+0x40/0x90
[ 105.057617][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 105.072133][ T5325] RIP: 0033:0x7f260159ce59
[ 105.074854][ 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
[ 105.095925][ T5325] RSP: 002b:00007f26023abfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 105.099971][ T5325] RAX: ffffffffffffffda RBX: 00007f2601815fa0 RCX: 00007f260159ce59
[ 105.112105][ T5325] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000007
[ 105.115664][ T5325] RBP: 00007f2601632e6f R08: 0000000000000000 R09: 0000000000000000
[ 105.119110][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 105.143423][ T5325] R13: 00007f2601816038 R14: 00007f2601815fa0 R15: 00007ffd00fdfdd8
[ 105.147286][ T5325]
[ 105.149132][ T5325] Kernel Offset: disabled
[ 105.151205][ T5325] Rebooting in 86400 seconds..