program:
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/mdstat\x00', 0x0, 0x0) (async, rerun: 32)
perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x48, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000, 0x0, @perf_config_ext={0x8, 0x2}, 0x5, 0x0, 0x1, 0x0, 0x0, 0x0, 0xffff, 0x0, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x1) (async, rerun: 32)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="3800000055002f03020000000000000007000000", @ANYRES32, @ANYBLOB="200001"], 0x38}}, 0x0)
r0 = socket(0x10, 0x3, 0x0)
sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0x0)
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")
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0)
write$binfmt_script(r1, &(0x7f00000008c0), 0x4) (async)
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0)
write$binfmt_script(r2, &(0x7f0000000100), 0xfecc)
[ 84.796351][ T45] Bluetooth: hci0: command tx timeout
[ 84.941063][ T5322] Zero length message leads to an empty skb
[ 84.958418][ T5322] loop0: detected capacity change from 0 to 64
[ 85.020135][ T5323] ------------[ cut here ]------------
[ 85.022735][ T5323] !buffer_uptodate(bh)
[ 85.022764][ T5323] WARNING: fs/buffer.c:1180 at mark_buffer_dirty+0x299/0x440, CPU#0: syz.0.0/5323
[ 85.030007][ T5323] Modules linked in:
[ 85.032288][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.037523][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 85.043141][ T5323] RIP: 0010:mark_buffer_dirty+0x299/0x440
[ 85.045977][ T5323] Code: 4c 89 f7 e8 e9 fc d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c4 60 fb ff e8 df 1f 6e ff eb 8c e8 d8 1f 6e ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 ca 1f 6e ff 90 0f 0b 90 e9 cf fd ff ff
[ 85.055881][ T5323] RSP: 0018:ffffc9000e3bf608 EFLAGS: 00010293
[ 85.059133][ T5323] RAX: ffffffff8257af98 RBX: ffff88801f1b53a0 RCX: ffff8880366d0000
[ 85.062747][ T5323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.066918][ T5323] RBP: ffff88801fc86001 R08: ffff88801f1b53a7 R09: 1ffff11003e36a74
[ 85.070961][ T5323] R10: dffffc0000000000 R11: ffffed1003e36a75 R12: ffff8880506d4600
[ 85.074855][ T5323] R13: ffff888047ab3e80 R14: ffff88801f1b53a0 R15: 000000000000000a
[ 85.079279][ T5323] FS: 00007fde068536c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000
[ 85.084332][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.087259][ T5323] CR2: 0000200000003000 CR3: 0000000012054000 CR4: 0000000000352ef0
[ 85.090806][ T5323] Call Trace:
[ 85.092354][ T5323]
[ 85.093765][ T5323] bfs_get_block+0x5da/0xae0
[ 85.096197][ T5323] __block_write_begin_int+0x6c6/0x1910
[ 85.099829][ T5323] ? __pfx_bfs_get_block+0x10/0x10
[ 85.103601][ T5323] ? __pfx___block_write_begin_int+0x10/0x10
[ 85.107588][ T5323] ? __pfx_bfs_get_block+0x10/0x10
[ 85.110162][ T5323] block_write_begin+0x8d/0x120
[ 85.112421][ T5323] ? bfs_write_begin+0x1e/0xd0
[ 85.114714][ T5323] bfs_write_begin+0x35/0xd0
[ 85.116984][ T5323] generic_perform_write+0x2e2/0x8f0
[ 85.119350][ T5323] ? __pfx_generic_perform_write+0x10/0x10
[ 85.122186][ T5323] ? file_update_time_flags+0x219/0x4a0
[ 85.125321][ T5323] ? __generic_file_write_iter+0xf9/0x230
[ 85.128726][ T5323] ? generic_file_write_iter+0x136/0x680
[ 85.131468][ T5323] generic_file_write_iter+0x14a/0x680
[ 85.133966][ T5323] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.137022][ T5323] ? add_lock_to_list+0xc7/0x100
[ 85.139422][ T5323] ? lockdep_unlock+0x5d/0xd0
[ 85.141773][ T5323] ? __lock_acquire+0x146e/0x2cf0
[ 85.144433][ T5323] vfs_write+0x61d/0xb90
[ 85.146961][ T5323] ? __pfx_vfs_write+0x10/0x10
[ 85.149281][ T5323] ? __fget_files+0x2a/0x420
[ 85.151604][ T5323] ksys_write+0x150/0x270
[ 85.153668][ T5323] ? __pfx_ksys_write+0x10/0x10
[ 85.156091][ T5323] do_syscall_64+0x14d/0xf80
[ 85.158466][ T5323] ? trace_irq_disable+0x3b/0x150
[ 85.161187][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.164496][ T5323] ? clear_bhb_loop+0x40/0x90
[ 85.166858][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.169430][ T5323] RIP: 0033:0x7fde0599c819
[ 85.171471][ T5323] 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
[ 85.180909][ T5323] RSP: 002b:00007fde06852fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.185938][ T5323] RAX: ffffffffffffffda RBX: 00007fde05c16090 RCX: 00007fde0599c819
[ 85.189875][ T5323] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000006
[ 85.193479][ T5323] RBP: 00007fde05a32c91 R08: 0000000000000000 R09: 0000000000000000
[ 85.197606][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.200920][ T5323] R13: 00007fde05c16128 R14: 00007fde05c16090 R15: 00007fffc4d88b08
[ 85.205619][ T5323]
[ 85.207261][ T5323] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 85.210523][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 85.214762][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 85.219886][ T5323] Call Trace:
[ 85.221395][ T5323]
[ 85.222696][ T5323] vpanic+0x56c/0xa60
[ 85.224565][ T5323] ? __pfx__printk+0x10/0x10
[ 85.226885][ T5323] ? __pfx_vpanic+0x10/0x10
[ 85.229219][ T5323] ? is_bpf_text_address+0x292/0x2b0
[ 85.232040][ T5323] ? is_bpf_text_address+0x26/0x2b0
[ 85.234604][ T5323] panic+0xc5/0xd0
[ 85.236339][ T5323] ? __pfx_panic+0x10/0x10
[ 85.238434][ T5323] __warn+0x315/0x4f0
[ 85.240295][ T5323] ? mark_buffer_dirty+0x299/0x440
[ 85.242570][ T5323] ? mark_buffer_dirty+0x299/0x440
[ 85.244872][ T5323] __report_bug+0x29a/0x540
[ 85.247549][ T5323] ? filemap_get_entry+0xca/0x320
[ 85.250763][ T5323] ? mark_buffer_dirty+0x299/0x440
[ 85.253142][ T5323] ? __pfx___report_bug+0x10/0x10
[ 85.255394][ T5323] ? __pfx_folio_mark_accessed+0x10/0x10
[ 85.257880][ T5323] ? mark_buffer_dirty+0x299/0x440
[ 85.260115][ T5323] report_bug+0x16a/0x220
[ 85.262189][ T5323] ? mark_buffer_dirty+0x299/0x440
[ 85.264789][ T5323] ? mark_buffer_dirty+0x29b/0x440
[ 85.267256][ T5323] handle_bug+0x9c/0x200
[ 85.269076][ T5323] exc_invalid_op+0x1a/0x50
[ 85.271018][ T5323] asm_exc_invalid_op+0x1a/0x20
[ 85.273097][ T5323] RIP: 0010:mark_buffer_dirty+0x299/0x440
[ 85.276054][ T5323] Code: 4c 89 f7 e8 e9 fc d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c4 60 fb ff e8 df 1f 6e ff eb 8c e8 d8 1f 6e ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 ca 1f 6e ff 90 0f 0b 90 e9 cf fd ff ff
[ 85.286733][ T5323] RSP: 0018:ffffc9000e3bf608 EFLAGS: 00010293
[ 85.289334][ T5323] RAX: ffffffff8257af98 RBX: ffff88801f1b53a0 RCX: ffff8880366d0000
[ 85.292600][ T5323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 85.295839][ T5323] RBP: ffff88801fc86001 R08: ffff88801f1b53a7 R09: 1ffff11003e36a74
[ 85.298987][ T5323] R10: dffffc0000000000 R11: ffffed1003e36a75 R12: ffff8880506d4600
[ 85.302508][ T5323] R13: ffff888047ab3e80 R14: ffff88801f1b53a0 R15: 000000000000000a
[ 85.307103][ T5323] ? mark_buffer_dirty+0x298/0x440
[ 85.309880][ T5323] ? mark_buffer_dirty+0x298/0x440
[ 85.312123][ T5323] bfs_get_block+0x5da/0xae0
[ 85.314219][ T5323] __block_write_begin_int+0x6c6/0x1910
[ 85.316712][ T5323] ? __pfx_bfs_get_block+0x10/0x10
[ 85.319022][ T5323] ? __pfx___block_write_begin_int+0x10/0x10
[ 85.321824][ T5323] ? __pfx_bfs_get_block+0x10/0x10
[ 85.324654][ T5323] block_write_begin+0x8d/0x120
[ 85.327284][ T5323] ? bfs_write_begin+0x1e/0xd0
[ 85.329826][ T5323] bfs_write_begin+0x35/0xd0
[ 85.331998][ T5323] generic_perform_write+0x2e2/0x8f0
[ 85.334395][ T5323] ? __pfx_generic_perform_write+0x10/0x10
[ 85.337009][ T5323] ? file_update_time_flags+0x219/0x4a0
[ 85.340200][ T5323] ? __generic_file_write_iter+0xf9/0x230
[ 85.343012][ T5323] ? generic_file_write_iter+0x136/0x680
[ 85.345874][ T5323] generic_file_write_iter+0x14a/0x680
[ 85.348702][ T5323] ? __pfx_generic_file_write_iter+0x10/0x10
[ 85.351811][ T5323] ? add_lock_to_list+0xc7/0x100
[ 85.354145][ T5323] ? lockdep_unlock+0x5d/0xd0
[ 85.356313][ T5323] ? __lock_acquire+0x146e/0x2cf0
[ 85.358783][ T5323] vfs_write+0x61d/0xb90
[ 85.360748][ T5323] ? __pfx_vfs_write+0x10/0x10
[ 85.362977][ T5323] ? __fget_files+0x2a/0x420
[ 85.365607][ T5323] ksys_write+0x150/0x270
[ 85.367676][ T5323] ? __pfx_ksys_write+0x10/0x10
[ 85.369930][ T5323] do_syscall_64+0x14d/0xf80
[ 85.371983][ T5323] ? trace_irq_disable+0x3b/0x150
[ 85.374382][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.377214][ T5323] ? clear_bhb_loop+0x40/0x90
[ 85.379816][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.382768][ T5323] RIP: 0033:0x7fde0599c819
[ 85.384872][ T5323] 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
[ 85.393831][ T5323] RSP: 002b:00007fde06852fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.397549][ T5323] RAX: ffffffffffffffda RBX: 00007fde05c16090 RCX: 00007fde0599c819
[ 85.401257][ T5323] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000006
[ 85.405351][ T5323] RBP: 00007fde05a32c91 R08: 0000000000000000 R09: 0000000000000000
[ 85.410284][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.414141][ T5323] R13: 00007fde05c16128 R14: 00007fde05c16090 R15: 00007fffc4d88b08
[ 85.417648][ T5323]
[ 85.419444][ T5323] Kernel Offset: disabled
[ 85.421302][ T5323] Rebooting in 86400 seconds..