program:
umount2(0x0, 0x2) (async)
r0 = socket$kcm(0x2d, 0x2, 0x0)
ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000000100)={r0})
ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000000080)={r0}) (async)
ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f00000000c0)) (async)
syz_mount_image$bfs(&(0x7f0000000000), &(0x7f0000000240)='./bus\x00', 0x8008, &(0x7f0000000040)=ANY=[@ANYRESDEC=r0], 0xf, 0xab, &(0x7f0000010140)="$eJzs1zGKwkAYBeB/s7CbdptFsLBO4x08ilhqI1aK4A3Ei3gVj5DewiKtiCOYiIidRQT5vmLgzWPgtbM7brubIiKtIlLRme7T3Wy+GA8n9Rl8pCwifiMij4jeX50Pg7r7avqyWo7K6vv58c+69b0AAMDrsug/5nNqLk7NL/Aa/m993vI+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgHe7BAAA//+dfyiL")
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0)
write$binfmt_script(r1, &(0x7f00000008c0), 0xfecc) (async)
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0)
write$binfmt_script(r2, &(0x7f0000000100), 0xfecc)
[ 84.965931][ T5302] Bluetooth: hci0: command tx timeout
[ 84.996389][ T5317] loop0: detected capacity change from 0 to 64
[ 85.079535][ T5318] ------------[ cut here ]------------
[ 85.082427][ T5318] WARNING: CPU: 0 PID: 5318 at fs/buffer.c:1186 mark_buffer_dirty+0x2a9/0x410
[ 85.086686][ T5318] Modules linked in:
[ 85.088462][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00022-g01f95500a162 #0 PREEMPT(full)
[ 85.093637][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 85.097801][ T5318] RIP: 0010:mark_buffer_dirty+0x2a9/0x410
[ 85.100375][ T5318] Code: 4c 89 f7 e8 79 0d de ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c4 34 fc ff e8 cf 18 7c ff eb 8c e8 c8 18 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ba 18 7c ff 90 0f 0b 90 e9 bf fd ff ff
[ 85.108412][ T5318] RSP: 0018:ffffc9000d30f628 EFLAGS: 00010293
[ 85.111051][ T5318] RAX: ffffffff8243b788 RBX: ffff888044955910 RCX: ffff88801f8c0000
[ 85.114221][ T5318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.117533][ T5318] RBP: ffff8880118fc001 R08: ffff888044955917 R09: 1ffff1100892ab22
[ 85.121192][ T5318] R10: dffffc0000000000 R11: ffffed100892ab23 R12: ffff88804c6e2400
[ 85.124708][ T5318] R13: ffff8880423f7488 R14: ffff888044955910 R15: 000000000000000a
[ 85.128010][ T5318] FS: 00007fbf8a2ae6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
[ 85.131840][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.134851][ T5318] CR2: 0000200000002000 CR3: 000000003ffdc000 CR4: 0000000000352ef0
[ 85.137887][ T5318] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 85.141502][ T5318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 85.144829][ T5318] Call Trace:
[ 85.146169][ T5318]
[ 85.147270][ T5318] bfs_get_block+0x5da/0xae0
[ 85.149192][ T5318] __block_write_begin_int+0x6b2/0x1900
[ 85.151745][ T5318] ? __pfx_bfs_get_block+0x10/0x10
[ 85.154028][ T5318] ? __pfx___block_write_begin_int+0x10/0x10
[ 85.156551][ T5318] ? __filemap_get_folio+0x79f/0xaf0
[ 85.158718][ T5318] ? __pfx_bfs_get_block+0x10/0x10
[ 85.161087][ T5318] block_write_begin+0x8a/0x120
[ 85.163106][ T5318] ? bfs_write_begin+0x1e/0xd0
[ 85.165057][ T5318] bfs_write_begin+0x35/0xd0
[ 85.167020][ T5318] generic_perform_write+0x2c4/0x910
[ 85.169232][ T5318] ? __pfx_generic_perform_write+0x10/0x10
[ 85.171840][ T5318] ? file_update_time+0x2da/0x490
[ 85.173987][ T5318] ? __generic_file_write_iter+0xf9/0x230
[ 85.176313][ T5318] ? generic_file_write_iter+0xfb/0x540
[ 85.178563][ T5318] generic_file_write_iter+0x10f/0x540
[ 85.180852][ T5318] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.183343][ T5318] ? __lock_acquire+0xaac/0xd20
[ 85.185433][ T5318] ? rcu_read_lock_any_held+0xb3/0x120
[ 85.187590][ T5318] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 85.189992][ T5318] vfs_write+0x548/0xa90
[ 85.191820][ T5318] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.194242][ T5318] ? __pfx_vfs_write+0x10/0x10
[ 85.196229][ T5318] ? __fget_files+0x2a/0x420
[ 85.198189][ T5318] ksys_write+0x145/0x250
[ 85.199934][ T5318] ? rcu_is_watching+0x15/0xb0
[ 85.201891][ T5318] ? __pfx_ksys_write+0x10/0x10
[ 85.203892][ T5318] ? do_syscall_64+0xba/0x210
[ 85.205889][ T5318] do_syscall_64+0xf6/0x210
[ 85.207742][ T5318] ? clear_bhb_loop+0x45/0xa0
[ 85.209648][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.212176][ T5318] RIP: 0033:0x7fbf8938e969
[ 85.214016][ T5318] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 85.221790][ T5318] RSP: 002b:00007fbf8a2ae038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.225120][ T5318] RAX: ffffffffffffffda RBX: 00007fbf895b6080 RCX: 00007fbf8938e969
[ 85.228365][ T5318] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000006
[ 85.231592][ T5318] RBP: 00007fbf89410ab1 R08: 0000000000000000 R09: 0000000000000000
[ 85.234878][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.238747][ T5318] R13: 0000000000000000 R14: 00007fbf895b6080 R15: 00007ffce8a76478
[ 85.242318][ T5318]
[ 85.243507][ T5318] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 85.246507][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00022-g01f95500a162 #0 PREEMPT(full)
[ 85.251256][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 85.255718][ T5318] Call Trace:
[ 85.256883][ T5318]
[ 85.258023][ T5318] dump_stack_lvl+0x99/0x250
[ 85.259859][ T5318] ? __asan_memcpy+0x40/0x70
[ 85.261678][ T5318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 85.263794][ T5318] ? __pfx__printk+0x10/0x10
[ 85.265668][ T5318] panic+0x2db/0x790
[ 85.267207][ T5318] ? __pfx_panic+0x10/0x10
[ 85.268976][ T5318] ? show_trace_log_lvl+0x4fb/0x550
[ 85.270980][ T5318] __warn+0x31b/0x4b0
[ 85.272565][ T5318] ? mark_buffer_dirty+0x2a9/0x410
[ 85.274607][ T5318] ? mark_buffer_dirty+0x2a9/0x410
[ 85.276820][ T5318] report_bug+0x2be/0x4f0
[ 85.278638][ T5318] ? mark_buffer_dirty+0x2a9/0x410
[ 85.280816][ T5318] ? mark_buffer_dirty+0x2a9/0x410
[ 85.282978][ T5318] ? mark_buffer_dirty+0x2ab/0x410
[ 85.285061][ T5318] handle_bug+0x84/0x160
[ 85.286916][ T5318] exc_invalid_op+0x1a/0x50
[ 85.288809][ T5318] asm_exc_invalid_op+0x1a/0x20
[ 85.290931][ T5318] RIP: 0010:mark_buffer_dirty+0x2a9/0x410
[ 85.293403][ T5318] Code: 4c 89 f7 e8 79 0d de ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c4 34 fc ff e8 cf 18 7c ff eb 8c e8 c8 18 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ba 18 7c ff 90 0f 0b 90 e9 bf fd ff ff
[ 85.301151][ T5318] RSP: 0018:ffffc9000d30f628 EFLAGS: 00010293
[ 85.303570][ T5318] RAX: ffffffff8243b788 RBX: ffff888044955910 RCX: ffff88801f8c0000
[ 85.306882][ T5318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.310233][ T5318] RBP: ffff8880118fc001 R08: ffff888044955917 R09: 1ffff1100892ab22
[ 85.313434][ T5318] R10: dffffc0000000000 R11: ffffed100892ab23 R12: ffff88804c6e2400
[ 85.316670][ T5318] R13: ffff8880423f7488 R14: ffff888044955910 R15: 000000000000000a
[ 85.319766][ T5318] ? mark_buffer_dirty+0x2a8/0x410
[ 85.321769][ T5318] ? mark_buffer_dirty+0x2a8/0x410
[ 85.323979][ T5318] bfs_get_block+0x5da/0xae0
[ 85.325988][ T5318] __block_write_begin_int+0x6b2/0x1900
[ 85.328346][ T5318] ? __pfx_bfs_get_block+0x10/0x10
[ 85.330564][ T5318] ? __pfx___block_write_begin_int+0x10/0x10
[ 85.333007][ T5318] ? __filemap_get_folio+0x79f/0xaf0
[ 85.335231][ T5318] ? __pfx_bfs_get_block+0x10/0x10
[ 85.337312][ T5318] block_write_begin+0x8a/0x120
[ 85.339352][ T5318] ? bfs_write_begin+0x1e/0xd0
[ 85.341309][ T5318] bfs_write_begin+0x35/0xd0
[ 85.343210][ T5318] generic_perform_write+0x2c4/0x910
[ 85.345358][ T5318] ? __pfx_generic_perform_write+0x10/0x10
[ 85.347768][ T5318] ? file_update_time+0x2da/0x490
[ 85.349880][ T5318] ? __generic_file_write_iter+0xf9/0x230
[ 85.352087][ T5318] ? generic_file_write_iter+0xfb/0x540
[ 85.354297][ T5318] generic_file_write_iter+0x10f/0x540
[ 85.356489][ T5318] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.358781][ T5318] ? __lock_acquire+0xaac/0xd20
[ 85.360813][ T5318] ? rcu_read_lock_any_held+0xb3/0x120
[ 85.363047][ T5318] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 85.365570][ T5318] vfs_write+0x548/0xa90
[ 85.367413][ T5318] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.369996][ T5318] ? __pfx_vfs_write+0x10/0x10
[ 85.372026][ T5318] ? __fget_files+0x2a/0x420
[ 85.373857][ T5318] ksys_write+0x145/0x250
[ 85.375717][ T5318] ? rcu_is_watching+0x15/0xb0
[ 85.377693][ T5318] ? __pfx_ksys_write+0x10/0x10
[ 85.379723][ T5318] ? do_syscall_64+0xba/0x210
[ 85.381639][ T5318] do_syscall_64+0xf6/0x210
[ 85.383577][ T5318] ? clear_bhb_loop+0x45/0xa0
[ 85.385597][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.388065][ T5318] RIP: 0033:0x7fbf8938e969
[ 85.389932][ T5318] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 85.397801][ T5318] RSP: 002b:00007fbf8a2ae038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.401223][ T5318] RAX: ffffffffffffffda RBX: 00007fbf895b6080 RCX: 00007fbf8938e969
[ 85.404448][ T5318] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000006
[ 85.407615][ T5318] RBP: 00007fbf89410ab1 R08: 0000000000000000 R09: 0000000000000000
[ 85.410769][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.413995][ T5318] R13: 0000000000000000 R14: 00007fbf895b6080 R15: 00007ffce8a76478
[ 85.417354][ T5318]
[ 85.418997][ T5318] Kernel Offset: disabled
[ 85.420873][ T5318] Rebooting in 86400 seconds..