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WARNING: CPU: 1 PID: 1963 at drivers/net/netdevsim/fib.c:448 nsim_fib6_rt_nh_find drivers/net/netdevsim/fib.c:417 [inline]
WARNING: CPU: 1 PID: 1963 at drivers/net/netdevsim/fib.c:448 nsim_fib6_rt_nh_del+0x154/0x290 drivers/net/netdevsim/fib.c:447
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 1963 Comm: syz-executor.2 Not tainted 5.8.0-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+0x1f0/0x31e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:231
 __warn+0x227/0x250 kernel/panic.c:600
 report_bug+0x1b1/0x2e0 lib/bug.c:198
 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542
RIP: 0010:nsim_fib6_rt_nh_del+0x154/0x290 drivers/net/netdevsim/fib.c:417
Code: 89 fc 4d 89 2c 24 4c 89 e8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ef e8 7b ce 89 fc 48 8b 04 24 49 89 45 00 eb 1b e8 1c c0 4a fc <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 06 c0 4a fc
RSP: 0018:ffffc900160878e0 EFLAGS: 00010283
RAX: ffffffff8529cea4 RBX: ffff8880881d7c38 RCX: 0000000000040000
RDX: ffffc900094f1000 RSI: 0000000000001193 RDI: 0000000000001194
RBP: dffffc0000000000 R08: ffffffff852965b7 R09: fffffbfff131a7d6
R10: fffffbfff131a7d6 R11: 0000000000000000 R12: ffff888054aa1800
R13: ffff8880881d7c38 R14: 1ffff11014274342 R15: ffff8880a13a1a10
 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+0x18b1/0x3680 drivers/net/netdevsim/fib.c:772
 notifier_call_chain kernel/notifier.c:83 [inline]
 __atomic_notifier_call_chain+0x17f/0x2c0 kernel/notifier.c:173
 call_fib_notifiers+0x2d/0x60 net/core/fib_notifier.c:35
 fib6_del_route net/ipv6/ip6_fib.c:399 [inline]
 fib6_del+0xf24/0x1360 net/ipv6/ip6_fib.c:2017
 __ip6_del_rt_siblings net/ipv6/route.c:3846 [inline]
 ip6_route_del+0x1ac9/0x2360 net/ipv6/route.c:3994
 ipv6_route_ioctl+0x4a3/0x820 net/ipv6/route.c:4365
 inet6_ioctl+0x168/0x1a0 net/ipv6/af_inet6.c:561
 sock_do_ioctl+0x7b/0x260 net/socket.c:1048
 sock_ioctl+0x4aa/0x690 net/socket.c:1199
 vfs_ioctl fs/ioctl.c:48 [inline]
 ksys_ioctl fs/ioctl.c:753 [inline]
 __do_sys_ioctl fs/ioctl.c:762 [inline]
 __se_sys_ioctl+0xf9/0x160 fs/ioctl.c:760
 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c1d9
Code: Bad RIP value.
RSP: 002b:00007f1604e58c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000001c440 RCX: 000000000045c1d9
RDX: 0000000020000240 RSI: 000000000000890c RDI: 0000000000000003
RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007ffd6eadaeef R14: 00007f1604e599c0 R15: 000000000078bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..