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$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0)
write$binfmt_script(r1, &(0x7f0000000100), 0xfecc) (async)
mknodat(r0, &(0x7f0000000040)='./bus\x00', 0x1000, 0x14d)
[ 94.841793][ T4681] Bluetooth: hci0: command tx timeout
[ 94.910252][ T5341] loop0: detected capacity change from 0 to 64
[ 95.013648][ T5341] ------------[ cut here ]------------
[ 95.016335][ T5341] WARNING: fs/buffer.c:1183 at mark_buffer_dirty+0x299/0x400, CPU#0: syz.0.0/5341
[ 95.020645][ T5341] Modules linked in:
[ 95.022731][ T5341] CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.026833][ T5341] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 95.031794][ T5341] RIP: 0010:mark_buffer_dirty+0x299/0x400
[ 95.034744][ T5341] Code: 4c 89 f7 e8 e9 bf db ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 24 a2 fb ff e8 9f e3 73 ff eb 8c e8 98 e3 73 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 8a e3 73 ff 90 0f 0b 90 e9 cf fd ff ff
[ 95.043787][ T5341] RSP: 0018:ffffc9000e21f608 EFLAGS: 00010293
[ 95.046530][ T5341] RAX: ffffffff824ddcf8 RBX: ffff888012001740 RCX: ffff8880379d8000
[ 95.049950][ T5341] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 95.053716][ T5341] RBP: ffff88800078c001 R08: ffff888012001747 R09: 1ffff110024002e8
[ 95.057471][ T5341] R10: dffffc0000000000 R11: ffffed10024002e9 R12: ffff888045ecb400
[ 95.061191][ T5341] R13: ffff888045a2f1d0 R14: ffff888012001740 R15: 000000000000000a
[ 95.064514][ T5341] FS: 00007fc60be0f6c0(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000
[ 95.068592][ T5341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.071633][ T5341] CR2: 0000200000003000 CR3: 00000000116cd000 CR4: 0000000000352ef0
[ 95.075115][ T5341] Call Trace:
[ 95.076671][ T5341]
[ 95.078052][ T5341] bfs_get_block+0x5da/0xae0
[ 95.080250][ T5341] __block_write_begin_int+0x6b5/0x1900
[ 95.082724][ T5341] ? __pfx_workingset_update_node+0x10/0x10
[ 95.085209][ T5341] ? __pfx_bfs_get_block+0x10/0x10
[ 95.087594][ T5341] ? __pfx___block_write_begin_int+0x10/0x10
[ 95.090176][ T5341] ? __pfx_bfs_get_block+0x10/0x10
[ 95.092538][ T5341] block_write_begin+0x8d/0x120
[ 95.094686][ T5341] ? bfs_write_begin+0x1e/0xd0
[ 95.097063][ T5341] bfs_write_begin+0x35/0xd0
[ 95.099218][ T5341] generic_perform_write+0x2c5/0x900
[ 95.101573][ T5341] ? __pfx_generic_perform_write+0x10/0x10
[ 95.104192][ T5341] ? file_update_time_flags+0x2cb/0x4e0
[ 95.106793][ T5341] ? __generic_file_write_iter+0xf9/0x230
[ 95.109365][ T5341] ? generic_file_write_iter+0x103/0x550
[ 95.112018][ T5341] generic_file_write_iter+0x117/0x550
[ 95.114389][ T5341] ? __pfx_generic_file_write_iter+0x10/0x10
[ 95.116826][ T5341] ? __lock_acquire+0x146f/0x2cf0
[ 95.118978][ T5341] ? __pfx_aa_file_perm+0x10/0x10
[ 95.120952][ T5341] ? rcu_read_lock_any_held+0xb3/0x120
[ 95.123364][ T5341] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 95.125988][ T5341] vfs_write+0x5c9/0xb30
[ 95.127951][ T5341] ? __pfx_generic_file_write_iter+0x10/0x10
[ 95.130609][ T5341] ? __pfx_vfs_write+0x10/0x10
[ 95.133026][ T5341] ? __fget_files+0x2a/0x420
[ 95.135200][ T5341] ksys_write+0x145/0x250
[ 95.137276][ T5341] ? __pfx_ksys_write+0x10/0x10
[ 95.139446][ T5341] ? do_syscall_64+0xbe/0xf80
[ 95.142166][ T5341] do_syscall_64+0xfa/0xf80
[ 95.144272][ T5341] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.147109][ T5341] ? clear_bhb_loop+0x60/0xb0
[ 95.149281][ T5341] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.152084][ T5341] RIP: 0033:0x7fc60af8f7c9
[ 95.154111][ T5341] 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
[ 95.162787][ T5341] RSP: 002b:00007fc60be0f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 95.166484][ T5341] RAX: ffffffffffffffda RBX: 00007fc60b1e5fa0 RCX: 00007fc60af8f7c9
[ 95.169933][ T5341] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000004
[ 95.173608][ T5341] RBP: 00007fc60b013f91 R08: 0000000000000000 R09: 0000000000000000
[ 95.177085][ T5341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.180591][ T5341] R13: 00007fc60b1e6038 R14: 00007fc60b1e5fa0 R15: 00007ffc67513fa8
[ 95.184183][ T5341]
[ 95.185729][ T5341] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 95.189058][ T5341] CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.193008][ T5341] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 95.197897][ T5341] Call Trace:
[ 95.199430][ T5341]
[ 95.200810][ T5341] dump_stack_lvl+0x99/0x250
[ 95.203002][ T5341] ? __asan_memcpy+0x40/0x70
[ 95.205279][ T5341] ? __pfx_dump_stack_lvl+0x10/0x10
[ 95.207613][ T5341] ? __pfx__printk+0x10/0x10
[ 95.209465][ T5341] vpanic+0x237/0x6d0
[ 95.211302][ T5341] ? __pfx_vpanic+0x10/0x10
[ 95.213368][ T5341] ? is_bpf_text_address+0x292/0x2b0
[ 95.216294][ T5341] ? is_bpf_text_address+0x26/0x2b0
[ 95.219243][ T5341] panic+0xb9/0xc0
[ 95.221062][ T5341] ? __pfx_panic+0x10/0x10
[ 95.223086][ T5341] __warn+0x317/0x4b0
[ 95.224868][ T5341] ? mark_buffer_dirty+0x299/0x400
[ 95.227130][ T5341] ? mark_buffer_dirty+0x299/0x400
[ 95.229440][ T5341] __report_bug+0x288/0x500
[ 95.231570][ T5341] ? __pfx___might_resched+0x10/0x10
[ 95.233879][ T5341] ? mark_buffer_dirty+0x299/0x400
[ 95.236075][ T5341] ? __pfx___report_bug+0x10/0x10
[ 95.238407][ T5341] ? find_get_block_common+0xc26/0xfc0
[ 95.241040][ T5341] ? find_get_block_common+0xc86/0xfc0
[ 95.243923][ T5341] ? mark_buffer_dirty+0x299/0x400
[ 95.246910][ T5341] report_bug+0x16a/0x220
[ 95.249121][ T5341] ? mark_buffer_dirty+0x299/0x400
[ 95.251475][ T5341] ? mark_buffer_dirty+0x29b/0x400
[ 95.253839][ T5341] handle_bug+0x98/0x200
[ 95.255771][ T5341] exc_invalid_op+0x1a/0x50
[ 95.257782][ T5341] asm_exc_invalid_op+0x1a/0x20
[ 95.259945][ T5341] RIP: 0010:mark_buffer_dirty+0x299/0x400
[ 95.262376][ T5341] Code: 4c 89 f7 e8 e9 bf db ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 24 a2 fb ff e8 9f e3 73 ff eb 8c e8 98 e3 73 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 8a e3 73 ff 90 0f 0b 90 e9 cf fd ff ff
[ 95.271067][ T5341] RSP: 0018:ffffc9000e21f608 EFLAGS: 00010293
[ 95.273778][ T5341] RAX: ffffffff824ddcf8 RBX: ffff888012001740 RCX: ffff8880379d8000
[ 95.277376][ T5341] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 95.280942][ T5341] RBP: ffff88800078c001 R08: ffff888012001747 R09: 1ffff110024002e8
[ 95.284403][ T5341] R10: dffffc0000000000 R11: ffffed10024002e9 R12: ffff888045ecb400
[ 95.287891][ T5341] R13: ffff888045a2f1d0 R14: ffff888012001740 R15: 000000000000000a
[ 95.291274][ T5341] ? mark_buffer_dirty+0x298/0x400
[ 95.293566][ T5341] ? mark_buffer_dirty+0x298/0x400
[ 95.295892][ T5341] bfs_get_block+0x5da/0xae0
[ 95.297952][ T5341] __block_write_begin_int+0x6b5/0x1900
[ 95.300458][ T5341] ? __pfx_workingset_update_node+0x10/0x10
[ 95.302958][ T5341] ? __pfx_bfs_get_block+0x10/0x10
[ 95.305154][ T5341] ? __pfx___block_write_begin_int+0x10/0x10
[ 95.307760][ T5341] ? __pfx_bfs_get_block+0x10/0x10
[ 95.309994][ T5341] block_write_begin+0x8d/0x120
[ 95.312110][ T5341] ? bfs_write_begin+0x1e/0xd0
[ 95.314218][ T5341] bfs_write_begin+0x35/0xd0
[ 95.316366][ T5341] generic_perform_write+0x2c5/0x900
[ 95.318683][ T5341] ? __pfx_generic_perform_write+0x10/0x10
[ 95.321285][ T5341] ? file_update_time_flags+0x2cb/0x4e0
[ 95.323815][ T5341] ? __generic_file_write_iter+0xf9/0x230
[ 95.326342][ T5341] ? generic_file_write_iter+0x103/0x550
[ 95.329010][ T5341] generic_file_write_iter+0x117/0x550
[ 95.331445][ T5341] ? __pfx_generic_file_write_iter+0x10/0x10
[ 95.334154][ T5341] ? __lock_acquire+0x146f/0x2cf0
[ 95.336514][ T5341] ? __pfx_aa_file_perm+0x10/0x10
[ 95.338786][ T5341] ? rcu_read_lock_any_held+0xb3/0x120
[ 95.341348][ T5341] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 95.343988][ T5341] vfs_write+0x5c9/0xb30
[ 95.345837][ T5341] ? __pfx_generic_file_write_iter+0x10/0x10
[ 95.348424][ T5341] ? __pfx_vfs_write+0x10/0x10
[ 95.350470][ T5341] ? __fget_files+0x2a/0x420
[ 95.352546][ T5341] ksys_write+0x145/0x250
[ 95.354438][ T5341] ? __pfx_ksys_write+0x10/0x10
[ 95.356585][ T5341] ? do_syscall_64+0xbe/0xf80
[ 95.358701][ T5341] do_syscall_64+0xfa/0xf80
[ 95.360822][ T5341] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.363495][ T5341] ? clear_bhb_loop+0x60/0xb0
[ 95.365659][ T5341] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.368358][ T5341] RIP: 0033:0x7fc60af8f7c9
[ 95.370445][ T5341] 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
[ 95.378881][ T5341] RSP: 002b:00007fc60be0f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 95.382649][ T5341] RAX: ffffffffffffffda RBX: 00007fc60b1e5fa0 RCX: 00007fc60af8f7c9
[ 95.386256][ T5341] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000004
[ 95.389852][ T5341] RBP: 00007fc60b013f91 R08: 0000000000000000 R09: 0000000000000000
[ 95.393399][ T5341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.396982][ T5341] R13: 00007fc60b1e6038 R14: 00007fc60b1e5fa0 R15: 00007ffc67513fa8
[ 95.400492][ T5341]
[ 95.402221][ T5341] Kernel Offset: disabled
[ 95.404208][ T5341] Rebooting in 86400 seconds..