Unable to read inode block MINIX-fs: get root inode failed watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:11120] Modules linked in: irq event stamp: 2687304 hardirqs last enabled at (2687303): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2687304): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (12602): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (11521): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (11521): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 11120 Comm: syz-executor.4 Not tainted 4.19.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:435 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a6/0xae0 kernel/locking/qspinlock.c:474 Code: eb c6 45 01 01 41 bc 00 80 00 00 48 c1 e9 03 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c f3 90 <41> 83 ec 01 0f 84 38 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 c0 0f RSP: 0018:ffff888045ca7628 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff13e3af0 RDX: 0000000000000001 RSI: ffffffff81678615 RDI: 0000000000000286 RBP: ffffffff89f1d780 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000029e0 R13: fffffbfff13e3af0 R14: 0000000000000001 R15: ffff8880ba02bd80 FS: 00007fa12fc34700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f52a000 CR3: 00000000b4f06000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:679 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:53 [inline] queued_spin_lock include/asm-generic/qspinlock.h:88 [inline] do_raw_spin_lock+0x189/0x220 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:329 [inline] __change_page_attr_set_clr+0x18c/0x28b0 arch/x86/mm/pageattr.c:1394 change_page_attr_set_clr+0x348/0xc60 arch/x86/mm/pageattr.c:1517 change_page_attr_clear arch/x86/mm/pageattr.c:1560 [inline] set_memory_ro+0x78/0xa0 arch/x86/mm/pageattr.c:1789 bpf_prog_lock_ro include/linux/filter.h:675 [inline] bpf_prog_select_runtime+0xb2/0x620 kernel/bpf/core.c:1573 bpf_migrate_filter+0x2dc/0x380 net/core/filter.c:1273 bpf_prepare_filter+0x183/0x370 net/core/filter.c:1321 __get_filter+0x1d4/0x270 net/core/filter.c:1490 sk_attach_filter+0x1c/0x170 net/core/filter.c:1505 sock_setsockopt+0x138d/0x2060 net/core/sock.c:893 __sys_setsockopt+0x203/0x240 net/socket.c:1897 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:1909 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa12fc34188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000004 RBP: 00000000004bf9fb R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffdf708840f R14: 00007fa12fc34300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11119 Comm: syz-executor.5 Not tainted 4.19.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count_add+0xe/0x190 kernel/sched/core.c:3230 Code: c0 d6 36 8d e8 93 b3 56 00 e9 5a ff ff ff 48 c7 c7 c0 d6 36 8d e8 82 b3 56 00 eb ab 48 b8 00 00 00 00 00 fc ff df 55 89 fd 53 <48> c7 c3 60 17 24 8d 48 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 RSP: 0018:ffff8880ba107780 EFLAGS: 00000092 RAX: dffffc0000000000 RBX: ffffffff8a45ea00 RCX: ffffffff81516ab3 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffed1017424552 R10: ffff8880ba122a93 R11: ffffffff8c66305b R12: 0000000000000001 R13: ffff8880a90f8a98 R14: ffff8880ba124d00 R15: dffffc0000000000 FS: 00007f16fc757700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa731cdd718 CR3: 000000009ea57000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1076 [inline] rcu_lockdep_current_cpu_online+0x32/0x1b0 kernel/rcu/tree.c:1068 rcu_read_lock_sched_held+0xd3/0x1d0 kernel/rcu/update.c:115 trace_hrtimer_expire_entry include/trace/events/timer.h:228 [inline] __run_hrtimer kernel/time/hrtimer.c:1418 [inline] __hrtimer_run_queues+0xc67/0xe60 kernel/time/hrtimer.c:1481 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1539 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:kmem_cache_free+0x11c/0x260 mm/slab.c:3766 Code: 11 48 63 75 74 48 89 df e8 61 1a df 01 e9 68 ff ff ff e8 e7 a0 cf ff 48 83 3d 67 9d 59 08 00 0f 84 f8 00 00 00 4c 89 e7 57 9d <0f> 1f 44 00 00 eb 86 65 8b 05 36 9c 69 7e 83 f8 07 0f 87 e7 00 00 RSP: 0018:ffff8880ba107a90 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: ffff88809b991900 RCX: 1ffff11015dea1bf RDX: 0000000000000000 RSI: ffff8880aef50e00 RDI: 0000000000000286 RBP: ffff88823b2b7540 R08: 0000000000400000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 R13: ffffffff866f1b91 R14: ffffffff8702c706 R15: ffff88803a402368 kfree_skbmem+0xc1/0x140 net/core/skbuff.c:595 __kfree_skb net/core/skbuff.c:655 [inline] kfree_skb+0x127/0x3d0 net/core/skbuff.c:672 ip6_mc_input+0x826/0xa80 net/ipv6/ip6_input.c:518 dst_input include/net/dst.h:461 [inline] ip6_rcv_finish+0x1d9/0x2f0 net/ipv6/ip6_input.c:76 NF_HOOK include/linux/netfilter.h:289 [inline] ipv6_rcv+0xf2/0x3f0 net/ipv6/ip6_input.c:283 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4954 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 process_backlog+0x241/0x700 net/core/dev.c:5848 napi_poll net/core/dev.c:6272 [inline] net_rx_action+0x4ac/0xfb0 net/core/dev.c:6338 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:535 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:static_protections arch/x86/mm/pageattr.c:337 [inline] RIP: 0010:try_preserve_large_page arch/x86/mm/pageattr.c:639 [inline] RIP: 0010:__change_page_attr arch/x86/mm/pageattr.c:1276 [inline] RIP: 0010:__change_page_attr_set_clr+0x110d/0x28b0 arch/x86/mm/pageattr.c:1395 Code: f9 b6 37 00 4d 39 fd 73 09 e8 df b5 37 00 48 83 cb 02 e8 d6 b5 37 00 48 8b 4c 24 68 48 89 c8 48 c1 e8 03 0f b6 14 28 48 89 c8 <83> e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 1f 13 00 00 44 8b 3d 4a RSP: 0018:ffff888045d07520 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 RAX: ffffffff8c665800 RBX: 0000000000000000 RCX: ffffffff8c665800 RDX: 0000000000000004 RSI: ffffffff812aa78a RDI: 0000000000000006 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000042819 R10: 0000000000000006 R11: 0000000000000000 R12: ffff888042819000 R13: 0000000000042819 R14: 0000000000040000 R15: 0000000000009da5 cpa_process_alias arch/x86/mm/pageattr.c:1348 [inline] __change_page_attr_set_clr+0x1ec4/0x28b0 arch/x86/mm/pageattr.c:1402 change_page_attr_set_clr+0x348/0xc60 arch/x86/mm/pageattr.c:1517 change_page_attr_clear arch/x86/mm/pageattr.c:1560 [inline] set_memory_ro+0x78/0xa0 arch/x86/mm/pageattr.c:1789 bpf_prog_lock_ro include/linux/filter.h:675 [inline] bpf_prog_select_runtime+0xb2/0x620 kernel/bpf/core.c:1573 bpf_migrate_filter+0x2dc/0x380 net/core/filter.c:1273 bpf_prepare_filter+0x183/0x370 net/core/filter.c:1321 __get_filter+0x1d4/0x270 net/core/filter.c:1490 sk_attach_filter+0x1c/0x170 net/core/filter.c:1505 sock_setsockopt+0x138d/0x2060 net/core/sock.c:893 __sys_setsockopt+0x203/0x240 net/socket.c:1897 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:1909 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f16fc757188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000004 RBP: 00000000004bf9fb R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fffe7874a3f R14: 00007f16fc757300 R15: 0000000000022000