program: r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) bind$802154_dgram(r0, &(0x7f00000009c0)={0x24, @short={0x2, 0x3}}, 0x14) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = socket(0x10, 0x3, 0x0) syz_mount_image$minix(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x0, &(0x7f0000000200), 0x1, 0x173, &(0x7f0000000240)="$eJzs20tO8mAUxvGnXL+P7+J94sjEgU6kCiTKkAW4AWcEKiEWNeIEYmJcijtxJ24AEt2ANZRGhTiofQOvkf8vAc7k6XuacOAwQAAW1nL47MhRNqyCILjdknRyLCljuTkAMxXoJQCwqNJPtjsAYMewlg73gAdHeny+aQyiRzbm/jCspcaFIw0+5HNx83dO+LqZmcznJf2Ks7/cj/M7msz//uL5hal8IXZ+fP+725P5P5L+Svon6b+kpei31oqk1U/Ob06dvxHzfMDE6N1XNM0bXGA0Padt39tPmM9G+YOE+VyULxnmywnz+ShfbFz4zYTXAJJKWZ7/tOH8ZwznH1hk3V7/rO773hUFBQXFW2H7kwnArLnXnUu32+vvtTv1ltfyzkuV6lGlXKocVt1wL3dNtnMA39n7l77tTgAAAAAAAAAAAAAAQFJrktZtNwEAAABgLubxdyLb9wgAAAAAAAAAAAAAAAAAAAD8FK8BAAD//09LUMs=") mkdir(&(0x7f0000000300)='./bus\x00', 0x0) syz_mount_image$ext4(0x0, &(0x7f00000000c0)='./bus/file0\x00', 0x80008, 0x0, 0x0, 0x0, &(0x7f0000000000)) rename(&(0x7f0000000000)='./bus/file0\x00', &(0x7f0000000080)='./file0\x00') r3 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) ioctl$LOOP_SET_STATUS(r3, 0x4c02, &(0x7f0000000300)={0x0, {}, 0x0, {}, 0x40005, 0xffffffffffffffff, 0xe, 0x29, "22536a030000000000000043a52dbc3a9ae8b04fcca15548328cb3e74d938981061383375e1d61471a2d2dfe0000000000000000000000040000000000821700", "04106d0c31ef6c1f02a4aa6d0c5aa9263626c0240010f9db74161ccff2c5cf5e", [0x5, 0xff]}) mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000b80), 0x4008, &(0x7f0000000140)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000140)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000040)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r5, {0x0, 0x9}, {0xffff, 0xffff}, {0x2, 0x26168c82f8659dd2}}, [@qdisc_kind_options=@q_etf={{0x8}, {0x14, 0x2, @TCA_ETF_PARMS={0x10, 0x1, {0xf5bb, 0xb}}}}]}, 0x40}}, 0x0) sendmsg$inet6(r1, &(0x7f0000000800)={&(0x7f0000000080)={0xa, 0x4e24, 0x8, @loopback, 0x4}, 0x1c, &(0x7f0000000380)=[{&(0x7f00000000c0)="88", 0x1}], 0x1}, 0x4048043) r6 = syz_clone3(&(0x7f00000003c0)={0x200200000, &(0x7f0000000100), &(0x7f0000000180), &(0x7f00000001c0), {0x1b}, &(0x7f0000000200)=""/246, 0xf6, &(0x7f0000000300)=""/33, &(0x7f0000000340)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff], 0xa}, 0x58) fcntl$lock(r2, 0x7, &(0x7f0000000440)={0x0, 0x0, 0x2, 0x7f, r6}) [ 85.070164][ T5324] loop0: detected capacity change from 0 to 64 [ 85.080841][ T4655] Bluetooth: hci0: command tx timeout [ 85.493784][ T5325] loop0: detected capacity change from 64 to 0 [ 85.513211][ T14] Buffer I/O error on dev loop0, logical block 3, lost async page write [ 85.522485][ T5331] Buffer I/O error on dev loop0, logical block 4, lost sync page write [ 85.535461][ T5331] IO error syncing minix inode [loop0:00000009] [ 85.539411][ T5331] ------------[ cut here ]------------ [ 85.541998][ T5331] !buffer_uptodate(bh) [ 85.542013][ T5331] WARNING: fs/buffer.c:1087 at mark_buffer_dirty+0x299/0x410, CPU#0: syz.0.0/5331 [ 85.548025][ T5331] Modules linked in: [ 85.550842][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.555608][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.560054][ T5331] RIP: 0010:mark_buffer_dirty+0x299/0x410 [ 85.562534][ T5331] Code: 4c 89 f7 e8 89 5d da ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 b4 63 fb ff e8 ef 93 6d ff eb 8c e8 e8 93 6d ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 da 93 6d ff 90 0f 0b 90 e9 cf fd ff ff [ 85.572844][ T5331] RSP: 0018:ffffc9000465f1b0 EFLAGS: 00010283 [ 85.575907][ T5331] RAX: ffffffff82583af8 RBX: ffff8880463c2828 RCX: 0000000000100000 [ 85.579246][ T5331] RDX: ffffc90021003000 RSI: 0000000000002d22 RDI: 0000000000002d23 [ 85.582718][ T5331] RBP: ffffc9000465f301 R08: ffff8880463c282f R09: 1ffff11008c78505 [ 85.586505][ T5331] R10: dffffc0000000000 R11: ffffed1008c78506 R12: ffff88801fc8ab1c [ 85.590348][ T5331] R13: 1ffff11003f91560 R14: ffff88801fc8ab00 R15: 0000000000000017 [ 85.594176][ T5331] FS: 00007f92370326c0(0000) GS:ffff88808c885000(0000) knlGS:0000000000000000 [ 85.599017][ T5331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.602144][ T5331] CR2: 00007fb6b9235113 CR3: 0000000012679000 CR4: 0000000000352ef0 [ 85.606225][ T5331] Call Trace: [ 85.607734][ T5331] [ 85.609253][ T5331] V2_minix_truncate+0x2f4/0x1170 [ 85.612011][ T5331] ? __pfx_V2_minix_truncate+0x10/0x10 [ 85.615294][ T5331] ? _raw_spin_unlock_irq+0x23/0x50 [ 85.617903][ T5331] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.620261][ T5331] minix_evict_inode+0x1db/0x260 [ 85.622587][ T5331] ? __pfx_minix_evict_inode+0x10/0x10 [ 85.625094][ T5331] evict+0x61e/0xb10 [ 85.626794][ T5331] ? __pfx_evict+0x10/0x10 [ 85.628518][ T5331] ? do_raw_spin_unlock+0x4d/0x210 [ 85.630869][ T5331] ? _raw_spin_unlock+0x28/0x50 [ 85.633304][ T5331] ? iput+0xb25/0xe80 [ 85.635677][ T5331] minix_mkdir+0xe2/0x120 [ 85.638048][ T5331] vfs_mkdir+0x413/0x630 [ 85.640062][ T5331] ovl_workdir_create+0x4d7/0x940 [ 85.642411][ T5331] ? __pfx_ovl_workdir_create+0x10/0x10 [ 85.644713][ T5331] ? mnt_get_write_access+0x213/0x280 [ 85.646954][ T5331] ovl_fill_super+0x1a38/0x5e20 [ 85.649085][ T5331] ? __pfx_hlock_conflict+0x10/0x10 [ 85.651613][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 85.654317][ T5331] ? xas_create+0x1902/0x1b90 [ 85.656986][ T5331] ? __mutex_trylock_common+0x158/0x260 [ 85.659556][ T5331] ? __pfx___mutex_trylock_common+0x10/0x10 [ 85.662124][ T5331] ? rcu_is_watching+0x15/0xb0 [ 85.664540][ T5331] ? trace_contention_end+0x3d/0x140 [ 85.667011][ T5331] ? shrinker_register+0x124/0x230 [ 85.669464][ T5331] ? __mutex_unlock_slowpath+0x1be/0x6f0 [ 85.671815][ T5331] ? shrinker_register+0x61/0x230 [ 85.674161][ T5331] ? __pfx___mutex_lock+0x10/0x10 [ 85.677820][ T5331] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 85.679912][ T5331] ? __raw_spin_lock_init+0x45/0x100 [ 85.682144][ T5331] ? sget_fc+0x962/0xa40 [ 85.683976][ T5331] ? __pfx_set_anon_super_fc+0x10/0x10 [ 85.686344][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 85.689142][ T5331] get_tree_nodev+0xbb/0x150 [ 85.691092][ T5331] vfs_get_tree+0x92/0x2a0 [ 85.692787][ T5331] do_new_mount+0x341/0xd30 [ 85.694616][ T5331] ? apparmor_capable+0x126/0x170 [ 85.696646][ T5331] ? __pfx_do_new_mount+0x10/0x10 [ 85.698685][ T5331] ? ns_capable+0x89/0xe0 [ 85.700561][ T5331] ? path_mount+0x690/0x10e0 [ 85.703076][ T5331] ? user_path_at+0xd4/0x160 [ 85.705549][ T5331] __se_sys_mount+0x31d/0x420 [ 85.707560][ T5331] ? __pfx___se_sys_mount+0x10/0x10 [ 85.709732][ T5331] ? __x64_sys_mount+0x20/0xc0 [ 85.711864][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.714517][ T5331] do_syscall_64+0x15f/0xf80 [ 85.716324][ T5331] ? trace_irq_disable+0x3b/0x140 [ 85.718393][ T5331] ? clear_bhb_loop+0x40/0x90 [ 85.720844][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.723951][ T5331] RIP: 0033:0x7f923619cdd9 [ 85.726134][ T5331] 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 [ 85.734610][ T5331] RSP: 002b:00007f9237031fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.738750][ T5331] RAX: ffffffffffffffda RBX: 00007f9236416180 RCX: 00007f923619cdd9 [ 85.742900][ T5331] RDX: 0000200000000b80 RSI: 0000200000000100 RDI: 0000000000000000 [ 85.746715][ T5331] RBP: 00007f9236232d69 R08: 0000200000000140 R09: 0000000000000000 [ 85.750224][ T5331] R10: 0000000000004008 R11: 0000000000000246 R12: 0000000000000000 [ 85.753778][ T5331] R13: 00007f9236416218 R14: 00007f9236416180 R15: 00007ffd6b07f148 [ 85.758144][ T5331] [ 85.760079][ T5331] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 85.763975][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.768202][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.772565][ T5331] Call Trace: [ 85.773955][ T5331] [ 85.775157][ T5331] vpanic+0x56c/0xa60 [ 85.776818][ T5331] ? __pfx__printk+0x10/0x10 [ 85.779231][ T5331] ? __pfx_vpanic+0x10/0x10 [ 85.781847][ T5331] ? is_bpf_text_address+0x292/0x2b0 [ 85.784697][ T5331] ? is_bpf_text_address+0x26/0x2b0 [ 85.787060][ T5331] panic+0xc5/0xd0 [ 85.788763][ T5331] ? __pfx_panic+0x10/0x10 [ 85.790738][ T5331] __warn+0x315/0x4c0 [ 85.792382][ T5331] ? mark_buffer_dirty+0x299/0x410 [ 85.794576][ T5331] ? mark_buffer_dirty+0x299/0x410 [ 85.796996][ T5331] __report_bug+0x29a/0x540 [ 85.799122][ T5331] ? mark_buffer_dirty+0x299/0x410 [ 85.801654][ T5331] ? __pfx___report_bug+0x10/0x10 [ 85.803969][ T5331] ? truncate_inode_pages_range+0xcf0/0xe30 [ 85.806779][ T5331] ? mark_buffer_dirty+0x299/0x410 [ 85.809216][ T5331] report_bug+0x16a/0x220 [ 85.811223][ T5331] ? mark_buffer_dirty+0x299/0x410 [ 85.813370][ T5331] ? mark_buffer_dirty+0x29b/0x410 [ 85.815846][ T5331] handle_bug+0x9c/0x200 [ 85.818134][ T5331] exc_invalid_op+0x1a/0x50 [ 85.820655][ T5331] asm_exc_invalid_op+0x1a/0x20 [ 85.822959][ T5331] RIP: 0010:mark_buffer_dirty+0x299/0x410 [ 85.825621][ T5331] Code: 4c 89 f7 e8 89 5d da ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 b4 63 fb ff e8 ef 93 6d ff eb 8c e8 e8 93 6d ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 da 93 6d ff 90 0f 0b 90 e9 cf fd ff ff [ 85.834299][ T5331] RSP: 0018:ffffc9000465f1b0 EFLAGS: 00010283 [ 85.837068][ T5331] RAX: ffffffff82583af8 RBX: ffff8880463c2828 RCX: 0000000000100000 [ 85.841036][ T5331] RDX: ffffc90021003000 RSI: 0000000000002d22 RDI: 0000000000002d23 [ 85.845464][ T5331] RBP: ffffc9000465f301 R08: ffff8880463c282f R09: 1ffff11008c78505 [ 85.849049][ T5331] R10: dffffc0000000000 R11: ffffed1008c78506 R12: ffff88801fc8ab1c [ 85.852317][ T5331] R13: 1ffff11003f91560 R14: ffff88801fc8ab00 R15: 0000000000000017 [ 85.855950][ T5331] ? mark_buffer_dirty+0x298/0x410 [ 85.858443][ T5331] V2_minix_truncate+0x2f4/0x1170 [ 85.861494][ T5331] ? __pfx_V2_minix_truncate+0x10/0x10 [ 85.865388][ T5331] ? _raw_spin_unlock_irq+0x23/0x50 [ 85.868384][ T5331] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.870808][ T5331] minix_evict_inode+0x1db/0x260 [ 85.873242][ T5331] ? __pfx_minix_evict_inode+0x10/0x10 [ 85.875758][ T5331] evict+0x61e/0xb10 [ 85.877543][ T5331] ? __pfx_evict+0x10/0x10 [ 85.879402][ T5331] ? do_raw_spin_unlock+0x4d/0x210 [ 85.881617][ T5331] ? _raw_spin_unlock+0x28/0x50 [ 85.883535][ T5331] ? iput+0xb25/0xe80 [ 85.885145][ T5331] minix_mkdir+0xe2/0x120 [ 85.886817][ T5331] vfs_mkdir+0x413/0x630 [ 85.888781][ T5331] ovl_workdir_create+0x4d7/0x940 [ 85.891296][ T5331] ? __pfx_ovl_workdir_create+0x10/0x10 [ 85.893696][ T5331] ? mnt_get_write_access+0x213/0x280 [ 85.895751][ T5331] ovl_fill_super+0x1a38/0x5e20 [ 85.897560][ T5331] ? __pfx_hlock_conflict+0x10/0x10 [ 85.899531][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 85.901578][ T5331] ? xas_create+0x1902/0x1b90 [ 85.903644][ T5331] ? __mutex_trylock_common+0x158/0x260 [ 85.906216][ T5331] ? __pfx___mutex_trylock_common+0x10/0x10 [ 85.909249][ T5331] ? rcu_is_watching+0x15/0xb0 [ 85.911602][ T5331] ? trace_contention_end+0x3d/0x140 [ 85.914000][ T5331] ? shrinker_register+0x124/0x230 [ 85.916218][ T5331] ? __mutex_unlock_slowpath+0x1be/0x6f0 [ 85.918746][ T5331] ? shrinker_register+0x61/0x230 [ 85.921055][ T5331] ? __pfx___mutex_lock+0x10/0x10 [ 85.923215][ T5331] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 85.925993][ T5331] ? __raw_spin_lock_init+0x45/0x100 [ 85.928956][ T5331] ? sget_fc+0x962/0xa40 [ 85.931559][ T5331] ? __pfx_set_anon_super_fc+0x10/0x10 [ 85.933757][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 85.936072][ T5331] get_tree_nodev+0xbb/0x150 [ 85.937957][ T5331] vfs_get_tree+0x92/0x2a0 [ 85.939850][ T5331] do_new_mount+0x341/0xd30 [ 85.941899][ T5331] ? apparmor_capable+0x126/0x170 [ 85.944116][ T5331] ? __pfx_do_new_mount+0x10/0x10 [ 85.946432][ T5331] ? ns_capable+0x89/0xe0 [ 85.948590][ T5331] ? path_mount+0x690/0x10e0 [ 85.951003][ T5331] ? user_path_at+0xd4/0x160 [ 85.953166][ T5331] __se_sys_mount+0x31d/0x420 [ 85.955288][ T5331] ? __pfx___se_sys_mount+0x10/0x10 [ 85.957716][ T5331] ? __x64_sys_mount+0x20/0xc0 [ 85.959966][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.962829][ T5331] do_syscall_64+0x15f/0xf80 [ 85.965205][ T5331] ? trace_irq_disable+0x3b/0x140 [ 85.967736][ T5331] ? clear_bhb_loop+0x40/0x90 [ 85.969789][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.972459][ T5331] RIP: 0033:0x7f923619cdd9 [ 85.974612][ T5331] 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 [ 85.984868][ T5331] RSP: 002b:00007f9237031fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.990115][ T5331] RAX: ffffffffffffffda RBX: 00007f9236416180 RCX: 00007f923619cdd9 [ 85.994428][ T5331] RDX: 0000200000000b80 RSI: 0000200000000100 RDI: 0000000000000000 [ 85.998492][ T5331] RBP: 00007f9236232d69 R08: 0000200000000140 R09: 0000000000000000 [ 86.002047][ T5331] R10: 0000000000004008 R11: 0000000000000246 R12: 0000000000000000 [ 86.005807][ T5331] R13: 00007f9236416218 R14: 00007f9236416180 R15: 00007ffd6b07f148 [ 86.009571][ T5331] [ 86.011744][ T5331] Kernel Offset: disabled [ 86.014361][ T5331] Rebooting in 86400 seconds..