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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0)
write$binfmt_script(r0, &(0x7f00000008c0), 0xfecc) (async)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, &(0x7f0000000140)={{r0}, &(0x7f0000000040), &(0x7f0000000080)='%pS \x00'}, 0x20)
write$binfmt_script(r1, &(0x7f0000000100), 0xfecc)
[ 84.799359][ T5304] Bluetooth: hci0: command tx timeout
[ 84.883371][ T5328] loop0: detected capacity change from 0 to 64
[ 85.018288][ T5329] ------------[ cut here ]------------
[ 85.021320][ T5329] !buffer_uptodate(bh)
[ 85.021336][ T5329] WARNING: fs/buffer.c:1180 at mark_buffer_dirty+0x299/0x440, CPU#0: syz.0.0/5329
[ 85.028667][ T5329] Modules linked in:
[ 85.030731][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.035349][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 85.040712][ T5329] RIP: 0010:mark_buffer_dirty+0x299/0x440
[ 85.044022][ T5329] Code: 4c 89 f7 e8 79 fd d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 e4 60 fb ff e8 6f 32 6e ff eb 8c e8 68 32 6e ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 5a 32 6e ff 90 0f 0b 90 e9 cf fd ff ff
[ 85.053353][ T5329] RSP: 0018:ffffc9000f1c7608 EFLAGS: 00010293
[ 85.056480][ T5329] RAX: ffffffff82577e18 RBX: ffff8880479c2570 RCX: ffff88801ab10000
[ 85.060085][ T5329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.063716][ T5329] RBP: ffff8880121b0001 R08: ffff8880479c2577 R09: 1ffff11008f384ae
[ 85.068165][ T5329] R10: dffffc0000000000 R11: ffffed1008f384af R12: ffff888050b2e400
[ 85.072457][ T5329] R13: ffff8880479c1488 R14: ffff8880479c2570 R15: 000000000000000a
[ 85.076115][ T5329] FS: 00007f66e1dd46c0(0000) GS:ffff88808ca55000(0000) knlGS:0000000000000000
[ 85.080245][ T5329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.083226][ T5329] CR2: 000055de3ad5e0d0 CR3: 00000000124f9000 CR4: 0000000000352ef0
[ 85.087153][ T5329] Call Trace:
[ 85.088991][ T5329]
[ 85.090712][ T5329] bfs_get_block+0x5da/0xae0
[ 85.093095][ T5329] __block_write_begin_int+0x6c6/0x1910
[ 85.095672][ T5329] ? __pfx_bfs_get_block+0x10/0x10
[ 85.097942][ T5329] ? __pfx___block_write_begin_int+0x10/0x10
[ 85.100623][ T5329] ? __pfx_bfs_get_block+0x10/0x10
[ 85.102955][ T5329] block_write_begin+0x8d/0x120
[ 85.106079][ T5329] ? bfs_write_begin+0x1e/0xd0
[ 85.108966][ T5329] bfs_write_begin+0x35/0xd0
[ 85.111245][ T5329] generic_perform_write+0x2e2/0x8f0
[ 85.113593][ T5329] ? __pfx_generic_perform_write+0x10/0x10
[ 85.116145][ T5329] ? file_update_time_flags+0x219/0x4a0
[ 85.118738][ T5329] ? __generic_file_write_iter+0xf9/0x230
[ 85.121130][ T5329] ? generic_file_write_iter+0x136/0x680
[ 85.123786][ T5329] generic_file_write_iter+0x14a/0x680
[ 85.126486][ T5329] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.129932][ T5329] ? add_lock_to_list+0xc7/0x100
[ 85.132745][ T5329] ? lockdep_unlock+0x5d/0xd0
[ 85.134939][ T5329] ? __lock_acquire+0x146e/0x2cf0
[ 85.137185][ T5329] vfs_write+0x61d/0xb90
[ 85.139203][ T5329] ? __pfx_vfs_write+0x10/0x10
[ 85.141599][ T5329] ? __fget_files+0x2a/0x420
[ 85.144055][ T5329] ksys_write+0x150/0x270
[ 85.146045][ T5329] ? __pfx_ksys_write+0x10/0x10
[ 85.148535][ T5329] do_syscall_64+0x14d/0xf80
[ 85.151270][ T5329] ? trace_irq_disable+0x3b/0x150
[ 85.154522][ T5329] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.157515][ T5329] ? clear_bhb_loop+0x40/0x90
[ 85.159716][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.162170][ T5329] RIP: 0033:0x7f66e599c799
[ 85.164282][ T5329] 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
[ 85.173926][ T5329] RSP: 002b:00007f66e1dd3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.177669][ T5329] RAX: ffffffffffffffda RBX: 00007f66e5c16090 RCX: 00007f66e599c799
[ 85.180875][ T5329] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000005
[ 85.185079][ T5329] RBP: 00007f66e5a32c99 R08: 0000000000000000 R09: 0000000000000000
[ 85.189377][ T5329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.192854][ T5329] R13: 00007f66e5c16128 R14: 00007f66e5c16090 R15: 00007ffe59b288a8
[ 85.196463][ T5329]
[ 85.198176][ T5329] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 85.201252][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.205136][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 85.209673][ T5329] Call Trace:
[ 85.211176][ T5329]
[ 85.212526][ T5329] vpanic+0x56c/0xa60
[ 85.214357][ T5329] ? __pfx__printk+0x10/0x10
[ 85.216285][ T5329] ? __pfx_vpanic+0x10/0x10
[ 85.218585][ T5329] ? is_bpf_text_address+0x292/0x2b0
[ 85.221208][ T5329] ? is_bpf_text_address+0x26/0x2b0
[ 85.223662][ T5329] panic+0xc5/0xd0
[ 85.225510][ T5329] ? __pfx_panic+0x10/0x10
[ 85.227561][ T5329] __warn+0x315/0x4f0
[ 85.229268][ T5329] ? mark_buffer_dirty+0x299/0x440
[ 85.231578][ T5329] ? mark_buffer_dirty+0x299/0x440
[ 85.234325][ T5329] __report_bug+0x29a/0x540
[ 85.236571][ T5329] ? filemap_get_entry+0xca/0x320
[ 85.238887][ T5329] ? mark_buffer_dirty+0x299/0x440
[ 85.241077][ T5329] ? __pfx___report_bug+0x10/0x10
[ 85.243578][ T5329] ? __pfx_folio_mark_accessed+0x10/0x10
[ 85.245945][ T5329] ? mark_buffer_dirty+0x299/0x440
[ 85.248038][ T5329] report_bug+0x16a/0x220
[ 85.249788][ T5329] ? mark_buffer_dirty+0x299/0x440
[ 85.252193][ T5329] ? mark_buffer_dirty+0x29b/0x440
[ 85.254953][ T5329] handle_bug+0x9c/0x200
[ 85.256884][ T5329] exc_invalid_op+0x1a/0x50
[ 85.258632][ T5329] asm_exc_invalid_op+0x1a/0x20
[ 85.260636][ T5329] RIP: 0010:mark_buffer_dirty+0x299/0x440
[ 85.262940][ T5329] Code: 4c 89 f7 e8 79 fd d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 e4 60 fb ff e8 6f 32 6e ff eb 8c e8 68 32 6e ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 5a 32 6e ff 90 0f 0b 90 e9 cf fd ff ff
[ 85.272278][ T5329] RSP: 0018:ffffc9000f1c7608 EFLAGS: 00010293
[ 85.275141][ T5329] RAX: ffffffff82577e18 RBX: ffff8880479c2570 RCX: ffff88801ab10000
[ 85.278728][ T5329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.283127][ T5329] RBP: ffff8880121b0001 R08: ffff8880479c2577 R09: 1ffff11008f384ae
[ 85.287204][ T5329] R10: dffffc0000000000 R11: ffffed1008f384af R12: ffff888050b2e400
[ 85.290653][ T5329] R13: ffff8880479c1488 R14: ffff8880479c2570 R15: 000000000000000a
[ 85.294383][ T5329] ? mark_buffer_dirty+0x298/0x440
[ 85.297106][ T5329] ? mark_buffer_dirty+0x298/0x440
[ 85.299861][ T5329] bfs_get_block+0x5da/0xae0
[ 85.302165][ T5329] __block_write_begin_int+0x6c6/0x1910
[ 85.304481][ T5329] ? __pfx_bfs_get_block+0x10/0x10
[ 85.307177][ T5329] ? __pfx___block_write_begin_int+0x10/0x10
[ 85.310002][ T5329] ? __pfx_bfs_get_block+0x10/0x10
[ 85.312456][ T5329] block_write_begin+0x8d/0x120
[ 85.314915][ T5329] ? bfs_write_begin+0x1e/0xd0
[ 85.316977][ T5329] bfs_write_begin+0x35/0xd0
[ 85.319107][ T5329] generic_perform_write+0x2e2/0x8f0
[ 85.321491][ T5329] ? __pfx_generic_perform_write+0x10/0x10
[ 85.324341][ T5329] ? file_update_time_flags+0x219/0x4a0
[ 85.327169][ T5329] ? __generic_file_write_iter+0xf9/0x230
[ 85.329984][ T5329] ? generic_file_write_iter+0x136/0x680
[ 85.332544][ T5329] generic_file_write_iter+0x14a/0x680
[ 85.335063][ T5329] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.338054][ T5329] ? add_lock_to_list+0xc7/0x100
[ 85.340607][ T5329] ? lockdep_unlock+0x5d/0xd0
[ 85.342796][ T5329] ? __lock_acquire+0x146e/0x2cf0
[ 85.345124][ T5329] vfs_write+0x61d/0xb90
[ 85.347126][ T5329] ? __pfx_vfs_write+0x10/0x10
[ 85.349506][ T5329] ? __fget_files+0x2a/0x420
[ 85.351949][ T5329] ksys_write+0x150/0x270
[ 85.354187][ T5329] ? __pfx_ksys_write+0x10/0x10
[ 85.356699][ T5329] do_syscall_64+0x14d/0xf80
[ 85.358743][ T5329] ? trace_irq_disable+0x3b/0x150
[ 85.360857][ T5329] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.363667][ T5329] ? clear_bhb_loop+0x40/0x90
[ 85.366194][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.369416][ T5329] RIP: 0033:0x7f66e599c799
[ 85.371720][ T5329] 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
[ 85.380079][ T5329] RSP: 002b:00007f66e1dd3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.384294][ T5329] RAX: ffffffffffffffda RBX: 00007f66e5c16090 RCX: 00007f66e599c799
[ 85.388250][ T5329] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000005
[ 85.391631][ T5329] RBP: 00007f66e5a32c99 R08: 0000000000000000 R09: 0000000000000000
[ 85.395420][ T5329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.399956][ T5329] R13: 00007f66e5c16128 R14: 00007f66e5c16090 R15: 00007ffe59b288a8
[ 85.403661][ T5329]
[ 85.405463][ T5329] Kernel Offset: disabled
[ 85.407344][ T5329] Rebooting in 86400 seconds..