------------[ cut here ]------------ WARNING: CPU: 1 PID: 25023 at drivers/net/netdevsim/fib.c:448 nsim_fib6_rt_nh_del+0x267/0x330 drivers/net/netdevsim/fib.c:448 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 25023 Comm: syz-executor.5 Not tainted 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:nsim_fib6_rt_nh_del+0x267/0x330 drivers/net/netdevsim/fib.c:448 Code: e8 5e be 8b fc 85 db 74 32 e8 e5 bc 8b fc 48 89 ef e8 fd 2d c8 fc 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ce bc 8b fc e8 c9 bc 8b fc <0f> 0b 5b 5d 41 5c 41 5d 41 5e 41 5f e9 b8 bc 8b fc e8 b3 bc 8b fc RSP: 0018:ffffc90000da8658 EFLAGS: 00010206 RAX: ffff888049bd8340 RBX: dffffc0000000000 RCX: ffffffff84e6b168 RDX: 0000000000000100 RSI: ffffffff84e656a7 RDI: ffff8880917f8e80 RBP: ffff8880917f8eb8 R08: ffff888049bd8340 R09: fffffbfff14cba41 R10: ffffc90000da8690 R11: ffffffff8a65d207 R12: ffff8880a33125d0 R13: ffff888094e97800 R14: ffff8880917f8eb8 R15: ffff8880917f8e80 nsim_fib6_rt_remove drivers/net/netdevsim/fib.c:688 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:725 [inline] nsim_fib_event drivers/net/netdevsim/fib.c:744 [inline] nsim_fib_event_nb+0x14bb/0x24e0 drivers/net/netdevsim/fib.c:772 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 __atomic_notifier_call_chain+0x95/0x180 kernel/notifier.c:173 call_fib_notifiers+0x166/0x290 net/core/fib_notifier.c:35 call_fib6_entry_notifiers+0xfb/0x150 net/ipv6/ip6_fib.c:399 fib6_del_route net/ipv6/ip6_fib.c:1981 [inline] fib6_del+0xe6c/0x14d0 net/ipv6/ip6_fib.c:2017 fib6_clean_node+0x39b/0x570 net/ipv6/ip6_fib.c:2179 fib6_walk_continue+0x4aa/0x8e0 net/ipv6/ip6_fib.c:2101 fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:2149 fib6_clean_tree+0xdb/0x120 net/ipv6/ip6_fib.c:2229 __fib6_clean_all+0x118/0x2a0 net/ipv6/ip6_fib.c:2245 fib6_clean_all net/ipv6/ip6_fib.c:2256 [inline] fib6_run_gc+0x113/0x2d0 net/ipv6/ip6_fib.c:2319 call_timer_fn+0x195/0x760 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1786 __do_softirq+0x26c/0x99d kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x192/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x19e/0x600 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:tomoyo_compare_number_union+0x34/0x100 security/tomoyo/file.c:115 Code: 89 f3 e8 7f e3 1a fe 48 8d 7b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 a9 00 00 00 4c 8b 63 10 <4d> 85 e4 75 7b e8 52 e3 1a fe 48 89 da 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc9000618fb78 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880a051b330 RCX: ffffc9001545e000 RDX: 1ffff110140a3668 RSI: ffffffff83572ff1 RDI: ffff8880a051b340 RBP: 0000000080045518 R08: ffff888049bd8340 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc9000618fc80 R14: 0000000000000002 R15: 0000000000000002 tomoyo_check_path_number_acl+0xc0/0x140 security/tomoyo/file.c:282 tomoyo_check_acl+0x138/0x3e0 security/tomoyo/domain.c:175 tomoyo_path_number_perm+0x314/0x4d0 security/tomoyo/file.c:733 security_file_ioctl+0x6c/0xb0 security/security.c:1441 ksys_ioctl+0x50/0x180 fs/ioctl.c:757 __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl fs/ioctl.c:770 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:770 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c4a9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd77e000c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd77e0016d4 RCX: 000000000045c4a9 RDX: 00000000200002c0 RSI: 0000000080045518 RDI: 0000000000000003 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000005e2 R14: 00000000004d4110 R15: 000000000076bf2c Kernel Offset: disabled Rebooting in 86400 seconds..