program: syz_mount_image$minix(&(0x7f0000000140), &(0x7f00000001c0)='./bus\x00', 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="00e611ed6229b237ad2a184a94283e2b34c24caf7280c18475708140abe763dfb52cdb0ba0cdc8c572346d0a832984b36248c4fa844eda0af4b1652605421a7821dcfde12aa77458d811a84538a156b05b0ec3eaf24a8b49d41fbfa868653605702abe43d9c2c30aed4da0b8cc18c6b3f745176865442c1217f19a67a534064b7236a66600000000005e8d33d35615188d77fb93669ff6f9e9de7655d53422b29b3ae796fdefbc648f3c39979c02ca6082ca2de5"], 0x1, 0x190, &(0x7f0000000e40)="$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") (async) creat(&(0x7f0000000000)='./bus\x00', 0x0) (async) mount(&(0x7f0000000440)=@loop={'/dev/loop', 0x0}, &(0x7f0000000080)='./bus\x00', 0x0, 0x1000, 0x0) (async) r0 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x7fffffffffffffff, 0x400, 0x0, 0x0, 0x1, 0x0, "ef35af413bb901527fe4d0ce5d29c3ee5e5c3676345a41499db7aac63a01000000000000004faa2ae2c084a0ea0000000000000000000c00002000", "036c47c67808200400000000000000335263bdbcef549ba197fce47ddfdd753abd950100002a00ffffffffffffffff00000000e8f20000000200", "b7326736181c208220000000b9000000000000000000f0fffffffff2ff00", [0x4]}) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f0000000400)={r1, 0x3, 0x16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) (async) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_int(r2, 0x1, 0x14, &(0x7f0000000040), 0x50) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r3, &(0x7f0000002d00)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x820}}, {{&(0x7f0000001580)=@file={0x1, './file0\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x40042}}], 0x2, 0x20000000) [ 74.742112][ T5332] Bluetooth: hci0: command tx timeout [ 74.783232][ T5353] loop0: detected capacity change from 0 to 64 [ 74.847711][ T5354] loop0: detected capacity change from 64 to 0 [ 74.851325][ T70] I/O error, dev loop0, sector 32 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 74.858456][ T12] I/O error, dev loop0, sector 2 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 2 [ 74.863109][ T12] Buffer I/O error on dev loop0, logical block 1, lost async page write [ 74.888947][ T5353] ------------[ cut here ]------------ [ 74.891599][ T5353] WARNING: CPU: 0 PID: 5353 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 [ 74.895775][ T5353] Modules linked in: [ 74.897783][ T5353] CPU: 0 UID: 0 PID: 5353 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.902634][ T5353] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.908195][ T5353] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 74.910758][ T5353] Code: 4c 89 f7 e8 d9 4b dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 0f 5f 78 ff eb 8c e8 08 5f 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 fa 5e 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 74.918962][ T5353] RSP: 0018:ffffc9000d4d7ca0 EFLAGS: 00010293 [ 74.922090][ T5353] RAX: ffffffff82475c38 RBX: ffff88804488d2b8 RCX: ffff88803355a440 [ 74.926150][ T5353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 74.929719][ T5353] RBP: 0000000000000001 R08: ffff88804488d2bf R09: 1ffff11008911a57 [ 74.932964][ T5353] R10: dffffc0000000000 R11: ffffed1008911a58 R12: 1ffff110066b94c8 [ 74.936382][ T5353] R13: ffff888011a8a780 R14: ffff8880335ca640 R15: ffff888011a8a7c8 [ 74.939898][ T5353] FS: 00007fb7e474d6c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 [ 74.944298][ T5353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.947603][ T5353] CR2: 0000200000001580 CR3: 0000000044434000 CR4: 0000000000352ef0 [ 74.951015][ T5353] Call Trace: [ 74.952494][ T5353] [ 74.953740][ T5353] minix_put_super+0x16d/0x460 [ 74.956177][ T5353] ? __pfx_minix_put_super+0x10/0x10 [ 74.958284][ T5353] generic_shutdown_super+0x132/0x2c0 [ 74.960400][ T5353] kill_block_super+0x44/0x90 [ 74.962613][ T5353] deactivate_locked_super+0xbc/0x130 [ 74.965318][ T5353] cleanup_mnt+0x425/0x4c0 [ 74.967884][ T5353] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.970247][ T5353] task_work_run+0x1d4/0x260 [ 74.972744][ T5353] ? __pfx_task_work_run+0x10/0x10 [ 74.975579][ T5353] ? exit_to_user_mode_loop+0x40/0x110 [ 74.978893][ T5353] exit_to_user_mode_loop+0xec/0x110 [ 74.981764][ T5353] do_syscall_64+0x2bd/0x3b0 [ 74.984315][ T5353] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.986894][ T5353] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.989848][ T5353] ? clear_bhb_loop+0x60/0xb0 [ 74.992224][ T5353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.995189][ T5353] RIP: 0033:0x7fb7e399038a [ 74.997361][ T5353] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 75.008408][ T5353] RSP: 002b:00007fb7e474ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.012523][ T5353] RAX: ffffffffffffffec RBX: 00007fb7e474cef0 RCX: 00007fb7e399038a [ 75.016992][ T5353] RDX: 0000200000000140 RSI: 00002000000001c0 RDI: 00007fb7e474ceb0 [ 75.020559][ T5353] RBP: 0000200000000140 R08: 00007fb7e474cef0 R09: 0000000000000000 [ 75.023656][ T5353] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0 [ 75.027106][ T5353] R13: 00007fb7e474ceb0 R14: 0000000000000190 R15: 0000200000000200 [ 75.030752][ T5353] [ 75.032079][ T5353] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.035044][ T5353] CPU: 0 UID: 0 PID: 5353 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.038937][ T5353] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.043530][ T5353] Call Trace: [ 75.045077][ T5353] [ 75.046483][ T5353] dump_stack_lvl+0x99/0x250 [ 75.048646][ T5353] ? __asan_memcpy+0x40/0x70 [ 75.050922][ T5353] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.053494][ T5353] ? __pfx__printk+0x10/0x10 [ 75.055600][ T5353] vpanic+0x281/0x750 [ 75.057390][ T5353] ? __pfx__printk+0x10/0x10 [ 75.059575][ T5353] ? __pfx_vpanic+0x10/0x10 [ 75.061701][ T5353] ? is_bpf_text_address+0x26/0x2b0 [ 75.064201][ T5353] panic+0xb9/0xc0 [ 75.065946][ T5353] ? __pfx_panic+0x10/0x10 [ 75.067959][ T5353] __warn+0x31b/0x4b0 [ 75.069617][ T5353] ? mark_buffer_dirty+0x2a9/0x410 [ 75.072149][ T5353] ? mark_buffer_dirty+0x2a9/0x410 [ 75.074840][ T5353] report_bug+0x2be/0x4f0 [ 75.077360][ T5353] ? mark_buffer_dirty+0x2a9/0x410 [ 75.079818][ T5353] ? mark_buffer_dirty+0x2a9/0x410 [ 75.081863][ T5353] ? mark_buffer_dirty+0x2ab/0x410 [ 75.084123][ T5353] handle_bug+0x84/0x160 [ 75.086019][ T5353] exc_invalid_op+0x1a/0x50 [ 75.088160][ T5353] asm_exc_invalid_op+0x1a/0x20 [ 75.090379][ T5353] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 75.093268][ T5353] Code: 4c 89 f7 e8 d9 4b dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 0f 5f 78 ff eb 8c e8 08 5f 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 fa 5e 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 75.101762][ T5353] RSP: 0018:ffffc9000d4d7ca0 EFLAGS: 00010293 [ 75.104690][ T5353] RAX: ffffffff82475c38 RBX: ffff88804488d2b8 RCX: ffff88803355a440 [ 75.108158][ T5353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 75.111629][ T5353] RBP: 0000000000000001 R08: ffff88804488d2bf R09: 1ffff11008911a57 [ 75.116095][ T5353] R10: dffffc0000000000 R11: ffffed1008911a58 R12: 1ffff110066b94c8 [ 75.119977][ T5353] R13: ffff888011a8a780 R14: ffff8880335ca640 R15: ffff888011a8a7c8 [ 75.123433][ T5353] ? mark_buffer_dirty+0x2a8/0x410 [ 75.125740][ T5353] minix_put_super+0x16d/0x460 [ 75.127888][ T5353] ? __pfx_minix_put_super+0x10/0x10 [ 75.130210][ T5353] generic_shutdown_super+0x132/0x2c0 [ 75.132528][ T5353] kill_block_super+0x44/0x90 [ 75.134501][ T5353] deactivate_locked_super+0xbc/0x130 [ 75.137030][ T5353] cleanup_mnt+0x425/0x4c0 [ 75.138976][ T5353] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.141524][ T5353] task_work_run+0x1d4/0x260 [ 75.143674][ T5353] ? __pfx_task_work_run+0x10/0x10 [ 75.145987][ T5353] ? exit_to_user_mode_loop+0x40/0x110 [ 75.148275][ T5353] exit_to_user_mode_loop+0xec/0x110 [ 75.150458][ T5353] do_syscall_64+0x2bd/0x3b0 [ 75.152502][ T5353] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.154575][ T5353] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.157588][ T5353] ? clear_bhb_loop+0x60/0xb0 [ 75.159875][ T5353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.162567][ T5353] RIP: 0033:0x7fb7e399038a [ 75.164517][ T5353] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 75.173221][ T5353] RSP: 002b:00007fb7e474ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.176883][ T5353] RAX: ffffffffffffffec RBX: 00007fb7e474cef0 RCX: 00007fb7e399038a [ 75.180225][ T5353] RDX: 0000200000000140 RSI: 00002000000001c0 RDI: 00007fb7e474ceb0 [ 75.183381][ T5353] RBP: 0000200000000140 R08: 00007fb7e474cef0 R09: 0000000000000000 [ 75.186602][ T5353] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0 [ 75.189802][ T5353] R13: 00007fb7e474ceb0 R14: 0000000000000190 R15: 0000200000000200 [ 75.193433][ T5353] [ 75.195438][ T5353] Kernel Offset: disabled [ 75.197432][ T5353] Rebooting in 86400 seconds..