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$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32})
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
r3 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4)
setsockopt$inet_tcp_int(r3, 0x6, 0x18, &(0x7f0000000040)=0x1f, 0x4) (async)
getsockopt$inet_tcp_int(r3, 0x6, 0xb, 0x0, &(0x7f0000000300)) (async)
setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r2, 0x84, 0x6b, 0x0, 0x0) (async)
r4 = dup2(r0, r1)
ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f0000000040)=0x1) (async)
r5 = socket$kcm(0x2, 0xa, 0x2)
ioctl$SIOCSIFHWADDR(r5, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local})
write$binfmt_script(r0, &(0x7f00000008c0), 0xfecc) (async)
r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0)
write$binfmt_script(r6, &(0x7f0000000100), 0xfecc)
[ 86.017278][ T46] Bluetooth: hci0: command tx timeout
[ 86.041497][ T5334] loop0: detected capacity change from 0 to 64
[ 86.159433][ T5335] syz.0.0 uses obsolete (PF_INET,SOCK_PACKET)
[ 86.228008][ T5336] ------------[ cut here ]------------
[ 86.230743][ T5336] WARNING: CPU: 0 PID: 5336 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410
[ 86.234554][ T5336] Modules linked in:
[ 86.236377][ T5336] CPU: 0 UID: 0 PID: 5336 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 86.240266][ T5336] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 86.245303][ T5336] RIP: 0010:mark_buffer_dirty+0x2a9/0x410
[ 86.248072][ T5336] Code: 4c 89 f7 e8 69 0c dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 14 ea fb ff e8 df cb 75 ff eb 8c e8 d8 cb 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ca cb 75 ff 90 0f 0b 90 e9 bf fd ff ff
[ 86.255954][ T5336] RSP: 0018:ffffc9000d267608 EFLAGS: 00010293
[ 86.258595][ T5336] RAX: ffffffff824a4798 RBX: ffff888000640658 RCX: ffff88801f820000
[ 86.262074][ T5336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 86.265823][ T5336] RBP: ffff888011f9c001 R08: ffff88800064065f R09: 1ffff110000c80cb
[ 86.269966][ T5336] R10: dffffc0000000000 R11: ffffed10000c80cc R12: ffff8880004a1000
[ 86.273611][ T5336] R13: ffff8880431df2b8 R14: ffff888000640658 R15: 0000000000000010
[ 86.277227][ T5336] FS: 00007efe619c56c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000
[ 86.279975][ T5336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.282081][ T5336] CR2: 0000200000001000 CR3: 000000004263f000 CR4: 0000000000352ef0
[ 86.285391][ T5336] Call Trace:
[ 86.287037][ T5336]
[ 86.288418][ T5336] bfs_get_block+0x5da/0xae0
[ 86.290727][ T5336] __block_write_begin_int+0x6b5/0x1900
[ 86.293249][ T5336] ? __pfx_bfs_get_block+0x10/0x10
[ 86.295699][ T5336] ? __pfx___block_write_begin_int+0x10/0x10
[ 86.298366][ T5336] ? __filemap_get_folio+0x79f/0xaf0
[ 86.300704][ T5336] ? __pfx_bfs_get_block+0x10/0x10
[ 86.302994][ T5336] block_write_begin+0x8a/0x120
[ 86.305060][ T5336] ? bfs_write_begin+0x1e/0xd0
[ 86.307106][ T5336] bfs_write_begin+0x35/0xd0
[ 86.309103][ T5336] generic_perform_write+0x2c5/0x900
[ 86.311354][ T5336] ? __pfx_generic_perform_write+0x10/0x10
[ 86.314194][ T5336] ? file_update_time+0x2da/0x490
[ 86.317130][ T5336] ? __generic_file_write_iter+0xf9/0x230
[ 86.320142][ T5336] ? generic_file_write_iter+0x103/0x550
[ 86.322463][ T5336] generic_file_write_iter+0x117/0x550
[ 86.324715][ T5336] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.327479][ T5336] ? register_lock_class+0x51/0x320
[ 86.329759][ T5336] ? __pfx_aa_file_perm+0x10/0x10
[ 86.332275][ T5336] ? __lock_acquire+0xab9/0xd20
[ 86.334357][ T5336] ? rcu_read_lock_any_held+0xb3/0x120
[ 86.336792][ T5336] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 86.339242][ T5336] vfs_write+0x5c9/0xb30
[ 86.340974][ T5336] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.343658][ T5336] ? __pfx_vfs_write+0x10/0x10
[ 86.346080][ T5336] ? __fget_files+0x2a/0x420
[ 86.348645][ T5336] ksys_write+0x145/0x250
[ 86.350611][ T5336] ? __pfx_ksys_write+0x10/0x10
[ 86.352729][ T5336] ? do_syscall_64+0xbe/0xfa0
[ 86.354586][ T5336] do_syscall_64+0xfa/0xfa0
[ 86.356497][ T5336] ? lockdep_hardirqs_on+0x9c/0x150
[ 86.358707][ T5336] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.361468][ T5336] ? clear_bhb_loop+0x60/0xb0
[ 86.363551][ T5336] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.365874][ T5336] RIP: 0033:0x7efe60b8f6c9
[ 86.367862][ T5336] 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
[ 86.375929][ T5336] RSP: 002b:00007efe619c5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 86.379508][ T5336] RAX: ffffffffffffffda RBX: 00007efe60de6180 RCX: 00007efe60b8f6c9
[ 86.382782][ T5336] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000009
[ 86.386271][ T5336] RBP: 00007efe60c11f91 R08: 0000000000000000 R09: 0000000000000000
[ 86.389856][ T5336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 86.393016][ T5336] R13: 00007efe60de6218 R14: 00007efe60de6180 R15: 00007fff2feb12d8
[ 86.396292][ T5336]
[ 86.397842][ T5336] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 86.400644][ T5336] CPU: 0 UID: 0 PID: 5336 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 86.404339][ T5336] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 86.408589][ T5336] Call Trace:
[ 86.409999][ T5336]
[ 86.411161][ T5336] dump_stack_lvl+0x99/0x250
[ 86.413146][ T5336] ? __asan_memcpy+0x40/0x70
[ 86.415161][ T5336] ? __pfx_dump_stack_lvl+0x10/0x10
[ 86.417339][ T5336] ? __pfx__printk+0x10/0x10
[ 86.419065][ T5336] vpanic+0x237/0x6d0
[ 86.420625][ T5336] ? __pfx_vpanic+0x10/0x10
[ 86.422336][ T5336] panic+0xb9/0xc0
[ 86.423991][ T5336] ? __pfx_panic+0x10/0x10
[ 86.425894][ T5336] __warn+0x31b/0x4b0
[ 86.427578][ T5336] ? mark_buffer_dirty+0x2a9/0x410
[ 86.429660][ T5336] ? mark_buffer_dirty+0x2a9/0x410
[ 86.431704][ T5336] report_bug+0x2be/0x4f0
[ 86.433650][ T5336] ? mark_buffer_dirty+0x2a9/0x410
[ 86.435824][ T5336] ? mark_buffer_dirty+0x2a9/0x410
[ 86.437986][ T5336] ? mark_buffer_dirty+0x2ab/0x410
[ 86.440084][ T5336] handle_bug+0x84/0x160
[ 86.441811][ T5336] exc_invalid_op+0x1a/0x50
[ 86.443953][ T5336] asm_exc_invalid_op+0x1a/0x20
[ 86.445999][ T5336] RIP: 0010:mark_buffer_dirty+0x2a9/0x410
[ 86.448442][ T5336] Code: 4c 89 f7 e8 69 0c dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 14 ea fb ff e8 df cb 75 ff eb 8c e8 d8 cb 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ca cb 75 ff 90 0f 0b 90 e9 bf fd ff ff
[ 86.456070][ T5336] RSP: 0018:ffffc9000d267608 EFLAGS: 00010293
[ 86.458580][ T5336] RAX: ffffffff824a4798 RBX: ffff888000640658 RCX: ffff88801f820000
[ 86.461939][ T5336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 86.465230][ T5336] RBP: ffff888011f9c001 R08: ffff88800064065f R09: 1ffff110000c80cb
[ 86.468610][ T5336] R10: dffffc0000000000 R11: ffffed10000c80cc R12: ffff8880004a1000
[ 86.471645][ T5336] R13: ffff8880431df2b8 R14: ffff888000640658 R15: 0000000000000010
[ 86.475197][ T5336] ? mark_buffer_dirty+0x2a8/0x410
[ 86.477493][ T5336] ? mark_buffer_dirty+0x2a8/0x410
[ 86.479324][ T5336] bfs_get_block+0x5da/0xae0
[ 86.481261][ T5336] __block_write_begin_int+0x6b5/0x1900
[ 86.483567][ T5336] ? __pfx_bfs_get_block+0x10/0x10
[ 86.485641][ T5336] ? __pfx___block_write_begin_int+0x10/0x10
[ 86.488245][ T5336] ? __filemap_get_folio+0x79f/0xaf0
[ 86.490485][ T5336] ? __pfx_bfs_get_block+0x10/0x10
[ 86.492662][ T5336] block_write_begin+0x8a/0x120
[ 86.494673][ T5336] ? bfs_write_begin+0x1e/0xd0
[ 86.496648][ T5336] bfs_write_begin+0x35/0xd0
[ 86.498678][ T5336] generic_perform_write+0x2c5/0x900
[ 86.500932][ T5336] ? __pfx_generic_perform_write+0x10/0x10
[ 86.503392][ T5336] ? file_update_time+0x2da/0x490
[ 86.505662][ T5336] ? __generic_file_write_iter+0xf9/0x230
[ 86.508275][ T5336] ? generic_file_write_iter+0x103/0x550
[ 86.510801][ T5336] generic_file_write_iter+0x117/0x550
[ 86.513186][ T5336] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.515694][ T5336] ? register_lock_class+0x51/0x320
[ 86.517838][ T5336] ? __pfx_aa_file_perm+0x10/0x10
[ 86.519884][ T5336] ? __lock_acquire+0xab9/0xd20
[ 86.521835][ T5336] ? rcu_read_lock_any_held+0xb3/0x120
[ 86.524187][ T5336] ? __pfx_rcu_read_lock_any_held+0x10/0x10
[ 86.526617][ T5336] vfs_write+0x5c9/0xb30
[ 86.528560][ T5336] ? __pfx_generic_file_write_iter+0x10/0x10
[ 86.531055][ T5336] ? __pfx_vfs_write+0x10/0x10
[ 86.533212][ T5336] ? __fget_files+0x2a/0x420
[ 86.535183][ T5336] ksys_write+0x145/0x250
[ 86.537154][ T5336] ? __pfx_ksys_write+0x10/0x10
[ 86.539094][ T5336] ? do_syscall_64+0xbe/0xfa0
[ 86.540997][ T5336] do_syscall_64+0xfa/0xfa0
[ 86.542822][ T5336] ? lockdep_hardirqs_on+0x9c/0x150
[ 86.545120][ T5336] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.547678][ T5336] ? clear_bhb_loop+0x60/0xb0
[ 86.549794][ T5336] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.552523][ T5336] RIP: 0033:0x7efe60b8f6c9
[ 86.554470][ T5336] 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
[ 86.562492][ T5336] RSP: 002b:00007efe619c5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 86.566178][ T5336] RAX: ffffffffffffffda RBX: 00007efe60de6180 RCX: 00007efe60b8f6c9
[ 86.570068][ T5336] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000009
[ 86.574406][ T5336] RBP: 00007efe60c11f91 R08: 0000000000000000 R09: 0000000000000000
[ 86.578581][ T5336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 86.582750][ T5336] R13: 00007efe60de6218 R14: 00007efe60de6180 R15: 00007fff2feb12d8
[ 86.586084][ T5336]
[ 86.587696][ T5336] Kernel Offset: disabled
[ 86.589467][ T5336] Rebooting in 86400 seconds..