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)
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)
mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x12, r0, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0)
[ 91.851673][ T5309] loop0: detected capacity change from 0 to 64
[ 92.219306][ T5274] Bluetooth: hci0: command tx timeout
[ 92.247500][ T5309] ------------[ cut here ]------------
[ 92.250678][ T5309] !buffer_uptodate(bh)
[ 92.250696][ T5309] WARNING: fs/buffer.c:991 at mark_buffer_dirty+0x299/0x410, CPU#0: syz.0.0/5309
[ 92.258051][ T5309] Modules linked in:
[ 92.260045][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 92.264047][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 92.269225][ T5309] RIP: 0010:mark_buffer_dirty+0x299/0x410
[ 92.271891][ T5309] Code: 4c 89 f7 e8 99 89 d8 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 74 52 fb ff e8 7f 21 69 ff eb 8c e8 78 21 69 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 6a 21 69 ff 90 0f 0b 90 e9 cf fd ff ff
[ 92.280349][ T5309] RSP: 0000:ffffc9000d5bf828 EFLAGS: 00010287
[ 92.283123][ T5309] RAX: ffffffff825df458 RBX: ffff88804388c8c0 RCX: 0000000000100000
[ 92.286518][ T5309] RDX: ffffc9000e9ba000 RSI: 0000000000001486 RDI: 0000000000001487
[ 92.290236][ T5309] RBP: 0000000000000201 R08: ffff88804388c8c7 R09: 1ffff11008711918
[ 92.293852][ T5309] R10: dffffc0000000000 R11: ffffed1008711919 R12: 000000000000000a
[ 92.297360][ T5309] R13: ffff88804388c8c0 R14: ffff8880130057e0 R15: dffffc0000000000
[ 92.300997][ T5309] FS: 00007f1b7025d6c0(0000) GS:ffff88808c526000(0000) knlGS:0000000000000000
[ 92.304792][ T5309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.307623][ T5309] CR2: 0000200000003000 CR3: 0000000011d45000 CR4: 0000000000352ef0
[ 92.311416][ T5309] Call Trace:
[ 92.313196][ T5309]
[ 92.314554][ T5309] bfs_get_block+0x5c6/0xb50
[ 92.316734][ T5309] __block_write_begin_int+0x6c2/0x1900
[ 92.319405][ T5309] ? filemap_add_folio+0x336/0x4e0
[ 92.321934][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 92.324316][ T5309] ? __pfx___block_write_begin_int+0x10/0x10
[ 92.327034][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 92.329430][ T5309] block_write_begin+0x8d/0x120
[ 92.331688][ T5309] ? bfs_write_begin+0x1e/0xd0
[ 92.333722][ T5309] bfs_write_begin+0x35/0xd0
[ 92.335821][ T5309] generic_perform_write+0x2d5/0x8f0
[ 92.338121][ T5309] ? __pfx_generic_perform_write+0x10/0x10
[ 92.340821][ T5309] ? file_update_time_flags+0x1e0/0x440
[ 92.343251][ T5309] ? __generic_file_write_iter+0xf9/0x230
[ 92.345907][ T5309] ? generic_file_write_iter+0x9a/0x330
[ 92.348671][ T5309] generic_file_write_iter+0xae/0x330
[ 92.351042][ T5309] vfs_write+0x612/0xba0
[ 92.352874][ T5309] ? __pfx_vfs_write+0x10/0x10
[ 92.354912][ T5309] ? __fget_files+0x2a/0x420
[ 92.356945][ T5309] ksys_write+0x150/0x270
[ 92.359546][ T5309] ? __pfx_ksys_write+0x10/0x10
[ 92.361836][ T5309] do_syscall_64+0x166/0x520
[ 92.363783][ T5309] ? trace_irq_disable+0x3b/0x140
[ 92.365896][ T5309] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.368326][ T5309] ? clear_bhb_loop+0x70/0xc0
[ 92.370422][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.373098][ T5309] RIP: 0033:0x7f1b6f39e0d9
[ 92.375124][ T5309] 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
[ 92.383413][ T5309] RSP: 002b:00007f1b7025cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 92.387071][ T5309] RAX: ffffffffffffffda RBX: 00007f1b6f625fa0 RCX: 00007f1b6f39e0d9
[ 92.390433][ T5309] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000007
[ 92.393729][ T5309] RBP: 00007f1b6f435024 R08: 0000000000000000 R09: 0000000000000000
[ 92.397026][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 92.400672][ T5309] R13: 00007f1b6f626038 R14: 00007f1b6f625fa0 R15: 00007ffe1e585188
[ 92.404129][ T5309]
[ 92.405582][ T5309] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 92.408630][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 92.412363][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 92.416612][ T5309] Call Trace:
[ 92.418054][ T5309]
[ 92.419402][ T5309] vpanic+0x56d/0xa60
[ 92.421346][ T5309] ? __pfx__printk+0x10/0x10
[ 92.423460][ T5309] ? __pfx_vpanic+0x10/0x10
[ 92.425604][ T5309] ? is_bpf_text_address+0x292/0x2b0
[ 92.427952][ T5309] ? is_bpf_text_address+0x26/0x2b0
[ 92.430273][ T5309] panic+0xc5/0xd0
[ 92.432085][ T5309] ? __pfx_panic+0x10/0x10
[ 92.434207][ T5309] __warn+0x315/0x4c0
[ 92.436115][ T5309] ? mark_buffer_dirty+0x299/0x410
[ 92.438346][ T5309] ? mark_buffer_dirty+0x299/0x410
[ 92.440554][ T5309] __report_bug+0x276/0x570
[ 92.442601][ T5309] ? filemap_get_entry+0xcd/0x3f0
[ 92.444583][ T5309] ? filemap_get_entry+0xcd/0x3f0
[ 92.446711][ T5309] ? mark_buffer_dirty+0x299/0x410
[ 92.448923][ T5309] ? __pfx___report_bug+0x10/0x10
[ 92.451166][ T5309] ? __pfx_folio_mark_accessed+0x10/0x10
[ 92.453594][ T5309] ? mark_buffer_dirty+0x299/0x410
[ 92.455797][ T5309] report_bug+0x16b/0x220
[ 92.457604][ T5309] ? mark_buffer_dirty+0x299/0x410
[ 92.459630][ T5309] ? mark_buffer_dirty+0x29b/0x410
[ 92.461833][ T5309] handle_bug+0x9c/0x200
[ 92.463573][ T5309] exc_invalid_op+0x1a/0x50
[ 92.465547][ T5309] asm_exc_invalid_op+0x1a/0x20
[ 92.467464][ T5309] RIP: 0010:mark_buffer_dirty+0x299/0x410
[ 92.469716][ T5309] Code: 4c 89 f7 e8 99 89 d8 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 74 52 fb ff e8 7f 21 69 ff eb 8c e8 78 21 69 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 6a 21 69 ff 90 0f 0b 90 e9 cf fd ff ff
[ 92.477608][ T5309] RSP: 0000:ffffc9000d5bf828 EFLAGS: 00010287
[ 92.479884][ T5309] RAX: ffffffff825df458 RBX: ffff88804388c8c0 RCX: 0000000000100000
[ 92.483224][ T5309] RDX: ffffc9000e9ba000 RSI: 0000000000001486 RDI: 0000000000001487
[ 92.486609][ T5309] RBP: 0000000000000201 R08: ffff88804388c8c7 R09: 1ffff11008711918
[ 92.489909][ T5309] R10: dffffc0000000000 R11: ffffed1008711919 R12: 000000000000000a
[ 92.493249][ T5309] R13: ffff88804388c8c0 R14: ffff8880130057e0 R15: dffffc0000000000
[ 92.496559][ T5309] ? mark_buffer_dirty+0x298/0x410
[ 92.498746][ T5309] ? mark_buffer_dirty+0x298/0x410
[ 92.500896][ T5309] bfs_get_block+0x5c6/0xb50
[ 92.502953][ T5309] __block_write_begin_int+0x6c2/0x1900
[ 92.505369][ T5309] ? filemap_add_folio+0x336/0x4e0
[ 92.507502][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 92.509788][ T5309] ? __pfx___block_write_begin_int+0x10/0x10
[ 92.512328][ T5309] ? __pfx_bfs_get_block+0x10/0x10
[ 92.514511][ T5309] block_write_begin+0x8d/0x120
[ 92.516614][ T5309] ? bfs_write_begin+0x1e/0xd0
[ 92.518711][ T5309] bfs_write_begin+0x35/0xd0
[ 92.520741][ T5309] generic_perform_write+0x2d5/0x8f0
[ 92.522963][ T5309] ? __pfx_generic_perform_write+0x10/0x10
[ 92.525486][ T5309] ? file_update_time_flags+0x1e0/0x440
[ 92.527874][ T5309] ? __generic_file_write_iter+0xf9/0x230
[ 92.530330][ T5309] ? generic_file_write_iter+0x9a/0x330
[ 92.532666][ T5309] generic_file_write_iter+0xae/0x330
[ 92.534908][ T5309] vfs_write+0x612/0xba0
[ 92.536737][ T5309] ? __pfx_vfs_write+0x10/0x10
[ 92.538902][ T5309] ? __fget_files+0x2a/0x420
[ 92.540944][ T5309] ksys_write+0x150/0x270
[ 92.542887][ T5309] ? __pfx_ksys_write+0x10/0x10
[ 92.545019][ T5309] do_syscall_64+0x166/0x520
[ 92.547082][ T5309] ? trace_irq_disable+0x3b/0x140
[ 92.549290][ T5309] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.551713][ T5309] ? clear_bhb_loop+0x70/0xc0
[ 92.553257][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.555589][ T5309] RIP: 0033:0x7f1b6f39e0d9
[ 92.557557][ T5309] 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
[ 92.565910][ T5309] RSP: 002b:00007f1b7025cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 92.569590][ T5309] RAX: ffffffffffffffda RBX: 00007f1b6f625fa0 RCX: 00007f1b6f39e0d9
[ 92.572811][ T5309] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000007
[ 92.576529][ T5309] RBP: 00007f1b6f435024 R08: 0000000000000000 R09: 0000000000000000
[ 92.579948][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 92.583387][ T5309] R13: 00007f1b6f626038 R14: 00007f1b6f625fa0 R15: 00007ffe1e585188
[ 92.586973][ T5309]
[ 92.588617][ T5309] Kernel Offset: disabled
[ 92.590379][ T5309] Rebooting in 86400 seconds..