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$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0)
mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file4\x00', 0x40, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./file7\x00', 0x105042, 0x1ff)
linkat(0xffffffffffffff9c, &(0x7f0000000000)='./file4\x00', 0xffffffffffffff9c, &(0x7f00000006c0)='./file5\x00', 0x0)
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00'], 0x2, 0x58a, &(0x7f0000000740)="$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")
write$binfmt_script(r0, &(0x7f00000008c0), 0xfecc)
open(&(0x7f0000000140)='./file1\x00', 0x64042, 0x178)
open(&(0x7f00000003c0)='./file3\x00', 0x14507e, 0x148)
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)
syz_clone(0x2000400, 0x0, 0xfffffebf, 0x0, 0x0, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='pids.current\x00', 0x275a, 0x0)
openat$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)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000280), 0x42, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000400)='blkio.bfq.dequeue\x00', 0x26e1, 0x0)
[ 103.850408][ T4649] Bluetooth: hci0: command tx timeout
[ 104.231767][ T5322] loop0: detected capacity change from 0 to 64
[ 105.281116][ T5322] ------------[ cut here ]------------
[ 105.301271][ T5322] !buffer_uptodate(bh)
[ 105.301292][ T5322] WARNING: fs/buffer.c:1093 at mark_buffer_dirty+0x299/0x410, CPU#0: syz.0.0/5322
[ 105.311974][ T5322] Modules linked in:
[ 105.331042][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 105.336616][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 105.341974][ T5322] RIP: 0010:mark_buffer_dirty+0x299/0x410
[ 105.359331][ T5322] Code: 4c 89 f7 e8 f9 0d d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 5e fb ff e8 af e7 69 ff eb 8c e8 a8 e7 69 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 9a e7 69 ff 90 0f 0b 90 e9 cf fd ff ff
[ 105.371444][ T5322] RSP: 0018:ffffc9000ebbf828 EFLAGS: 00010283
[ 105.389283][ T5322] RAX: ffffffff825c9ae8 RBX: ffff888042ff72a0 RCX: 0000000000100000
[ 105.396993][ T5322] RDX: ffffc9000f7b1000 RSI: 0000000000001e1b RDI: 0000000000001e1c
[ 105.409308][ T5322] RBP: 0000000000000201 R08: ffff888042ff72a7 R09: 1ffff110085fee54
[ 105.423170][ T5322] R10: dffffc0000000000 R11: ffffed10085fee55 R12: 000000000000000f
[ 105.441003][ T5322] R13: ffff888042ff72a0 R14: ffff888042ff0540 R15: dffffc0000000000
[ 105.445859][ T5322] FS: 00007f6e8451e6c0(0000) GS:ffff88808c54e000(0000) knlGS:0000000000000000
[ 105.466066][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 105.469358][ T5322] CR2: 00005604ec43e168 CR3: 00000000441ab000 CR4: 0000000000352ef0
[ 105.474373][ T5322] Call Trace:
[ 105.476537][ T5322]
[ 105.478367][ T5322] bfs_get_block+0x5c6/0xb50
[ 105.493669][ T5322] __block_write_begin_int+0x6c2/0x1900
[ 105.496925][ T5322] ? __pfx_bfs_get_block+0x10/0x10
[ 105.499424][ T5322] ? __pfx___block_write_begin_int+0x10/0x10
[ 105.502320][ T5322] ? __pfx_bfs_get_block+0x10/0x10
[ 105.505060][ T5322] block_write_begin+0x8d/0x120
[ 105.521673][ T5322] ? bfs_write_begin+0x1e/0xd0
[ 105.524702][ T5322] bfs_write_begin+0x35/0xd0
[ 105.526837][ T5322] generic_perform_write+0x2d5/0x8f0
[ 105.529040][ T5322] ? __pfx_generic_perform_write+0x10/0x10
[ 105.531492][ T5322] ? file_update_time_flags+0x219/0x4a0
[ 105.544729][ T5322] ? __generic_file_write_iter+0xf9/0x230
[ 105.548531][ T5322] ? generic_file_write_iter+0x9a/0x330
[ 105.553698][ T5322] generic_file_write_iter+0xae/0x330
[ 105.559249][ T5322] vfs_write+0x612/0xba0
[ 105.563327][ T5322] ? __pfx_vfs_write+0x10/0x10
[ 105.572289][ T5322] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 105.578069][ T5322] ? __rcu_read_unlock+0x83/0xe0
[ 105.581199][ T5322] ? __fget_files+0x2a/0x420
[ 105.585286][ T5322] ksys_write+0x150/0x270
[ 105.588523][ T5322] ? __pfx_ksys_write+0x10/0x10
[ 105.591807][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 105.597914][ T5322] do_syscall_64+0x174/0x580
[ 105.600744][ T5322] ? trace_irq_disable+0x3b/0x140
[ 105.604417][ T5322] ? clear_bhb_loop+0x40/0x90
[ 105.607733][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 105.612079][ T5322] RIP: 0033:0x7f6e8359de59
[ 105.615194][ T5322] 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
[ 105.628924][ T5322] RSP: 002b:00007f6e8451dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 105.634510][ T5322] RAX: ffffffffffffffda RBX: 00007f6e83825fa0 RCX: 00007f6e8359de59
[ 105.639951][ T5322] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000007
[ 105.644645][ T5322] RBP: 00007f6e83633e6f R08: 0000000000000000 R09: 0000000000000000
[ 105.650096][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 105.654719][ T5322] R13: 00007f6e83826038 R14: 00007f6e83825fa0 R15: 00007ffc2fc60428
[ 105.660630][ T5322]
[ 105.663546][ T5322] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 105.669003][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 105.674763][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 105.682971][ T5322] Call Trace:
[ 105.685657][ T5322]
[ 105.688252][ T5322] vpanic+0x56c/0xa60
[ 105.692485][ T5322] ? __pfx__printk+0x10/0x10
[ 105.696878][ T5322] ? __pfx_vpanic+0x10/0x10
[ 105.701978][ T5322] ? is_bpf_text_address+0x292/0x2b0
[ 105.706066][ T5322] ? is_bpf_text_address+0x26/0x2b0
[ 105.710980][ T5322] panic+0xc5/0xd0
[ 105.714546][ T5322] ? __pfx_panic+0x10/0x10
[ 105.718539][ T5322] __warn+0x315/0x4c0
[ 105.723555][ T5322] ? mark_buffer_dirty+0x299/0x410
[ 105.730729][ T5322] ? mark_buffer_dirty+0x299/0x410
[ 105.734827][ T5322] __report_bug+0x331/0x530
[ 105.738337][ T5322] ? filemap_get_entry+0xcd/0x3f0
[ 105.743023][ T5322] ? filemap_get_entry+0xcd/0x3f0
[ 105.747228][ T5322] ? mark_buffer_dirty+0x299/0x410
[ 105.753067][ T5322] ? __pfx___report_bug+0x10/0x10
[ 105.757002][ T5322] ? __pfx_folio_mark_accessed+0x10/0x10
[ 105.762238][ T5322] ? mark_buffer_dirty+0x299/0x410
[ 105.767124][ T5322] report_bug+0x16a/0x220
[ 105.770788][ T5322] ? mark_buffer_dirty+0x299/0x410
[ 105.774803][ T5322] ? mark_buffer_dirty+0x29b/0x410
[ 105.777627][ T5322] handle_bug+0x9c/0x200
[ 105.780949][ T5322] exc_invalid_op+0x1a/0x50
[ 105.784906][ T5322] asm_exc_invalid_op+0x1a/0x20
[ 105.787952][ T5322] RIP: 0010:mark_buffer_dirty+0x299/0x410
[ 105.792187][ T5322] Code: 4c 89 f7 e8 f9 0d d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 5e fb ff e8 af e7 69 ff eb 8c e8 a8 e7 69 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 9a e7 69 ff 90 0f 0b 90 e9 cf fd ff ff
[ 105.806968][ T5322] RSP: 0018:ffffc9000ebbf828 EFLAGS: 00010283
[ 105.810825][ T5322] RAX: ffffffff825c9ae8 RBX: ffff888042ff72a0 RCX: 0000000000100000
[ 105.819082][ T5322] RDX: ffffc9000f7b1000 RSI: 0000000000001e1b RDI: 0000000000001e1c
[ 105.826143][ T5322] RBP: 0000000000000201 R08: ffff888042ff72a7 R09: 1ffff110085fee54
[ 105.833763][ T5322] R10: dffffc0000000000 R11: ffffed10085fee55 R12: 000000000000000f
[ 105.841588][ T5322] R13: ffff888042ff72a0 R14: ffff888042ff0540 R15: dffffc0000000000
[ 105.849486][ T5322] ? mark_buffer_dirty+0x298/0x410
[ 105.854548][ T5322] ? mark_buffer_dirty+0x298/0x410
[ 105.860224][ T5322] bfs_get_block+0x5c6/0xb50
[ 105.863430][ T5322] __block_write_begin_int+0x6c2/0x1900
[ 105.868864][ T5322] ? __pfx_bfs_get_block+0x10/0x10
[ 105.873209][ T5322] ? __pfx___block_write_begin_int+0x10/0x10
[ 105.877945][ T5322] ? __pfx_bfs_get_block+0x10/0x10
[ 105.883331][ T5322] block_write_begin+0x8d/0x120
[ 105.890044][ T5322] ? bfs_write_begin+0x1e/0xd0
[ 105.894586][ T5322] bfs_write_begin+0x35/0xd0
[ 105.897993][ T5322] generic_perform_write+0x2d5/0x8f0
[ 105.901706][ T5322] ? __pfx_generic_perform_write+0x10/0x10
[ 105.906000][ T5322] ? file_update_time_flags+0x219/0x4a0
[ 105.911056][ T5322] ? __generic_file_write_iter+0xf9/0x230
[ 105.916183][ T5322] ? generic_file_write_iter+0x9a/0x330
[ 105.921300][ T5322] generic_file_write_iter+0xae/0x330
[ 105.926843][ T5322] vfs_write+0x612/0xba0
[ 105.932543][ T5322] ? __pfx_vfs_write+0x10/0x10
[ 105.935379][ T5322] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 105.938260][ T5322] ? __rcu_read_unlock+0x83/0xe0
[ 105.940526][ T5322] ? __fget_files+0x2a/0x420
[ 105.942905][ T5322] ksys_write+0x150/0x270
[ 105.944824][ T5322] ? __pfx_ksys_write+0x10/0x10
[ 105.946848][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 105.951752][ T5322] do_syscall_64+0x174/0x580
[ 105.955195][ T5322] ? trace_irq_disable+0x3b/0x140
[ 105.958334][ T5322] ? clear_bhb_loop+0x40/0x90
[ 105.961981][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 105.965784][ T5322] RIP: 0033:0x7f6e8359de59
[ 105.968313][ T5322] 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
[ 105.978234][ T5322] RSP: 002b:00007f6e8451dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 105.984358][ T5322] RAX: ffffffffffffffda RBX: 00007f6e83825fa0 RCX: 00007f6e8359de59
[ 105.989253][ T5322] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000007
[ 105.993284][ T5322] RBP: 00007f6e83633e6f R08: 0000000000000000 R09: 0000000000000000
[ 105.996529][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 106.003537][ T5322] R13: 00007f6e83826038 R14: 00007f6e83825fa0 R15: 00007ffc2fc60428
[ 106.009265][ T5322]
[ 106.014512][ T5322] Kernel Offset: disabled
[ 106.017795][ T5322] Rebooting in 86400 seconds..