program:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x0, 0x20000000000000bb, &(0x7f0000000300)=ANY=[@ANYBLOB="1800000000000000000000000000000018010000756c6c2500000000002020207b1af8ff00000000bea100000000000007010000f8ffffffb702000008"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x52, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$PROG_LOAD(0x5, &(0x7f0000001fc0)={0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x8, '\x00', 0x0, @fallback=0x13, r1, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000340)={0x1, 0x6, 0x9, 0x3}, 0x10, 0xffffffffffffffff, r2, 0x0, 0x0, 0x0, 0x10, 0x11}, 0x94)
socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x11, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="4c0000001800010800000000000000850a603f00000000000500000014000500200100000000000000000100000000001c00090008000000", @ANYRES32=r1], 0x4c}}, 0x0)
[ 68.259346][ T5301] Bluetooth: hci0: command tx timeout
[ 68.281577][ T5322] IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
[ 68.285851][ T5322] IPv6: NLM_F_CREATE should be set when creating new route
[ 68.289181][ T5322] IPv6: NLM_F_CREATE should be set when creating new route
[ 68.308692][ T5322] ------------[ cut here ]------------
[ 68.312208][ T5322] WARNING: CPU: 0 PID: 5322 at drivers/net/netdevsim/fib.c:831 nsim_fib_event_nb+0xed8/0x1080
[ 68.317039][ T5322] Modules linked in:
[ 68.319583][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 68.323396][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 68.328024][ T5322] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080
[ 68.331068][ T5322] Code: fa be 02 00 00 00 eb 0a e8 85 58 d9 fa be 01 00 00 00 4c 89 f7 e8 48 52 ab fd 4c 8b 64 24 08 e9 91 f4 ff ff e8 69 58 d9 fa 90 <0f> 0b 90 e9 70 fb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 35
[ 68.339724][ T5322] RSP: 0018:ffffc9000d40f008 EFLAGS: 00010283
[ 68.342286][ T5322] RAX: ffffffff86e6fb27 RBX: 0000000000000001 RCX: 0000000000100000
[ 68.345571][ T5322] RDX: ffffc9000e40a000 RSI: 0000000000000f63 RDI: 0000000000000f64
[ 68.349153][ T5322] RBP: dffffc0000000000 R08: ffff88803f73c42f R09: 1ffff11007ee7885
[ 68.352339][ T5322] R10: dffffc0000000000 R11: ffffed1007ee7886 R12: ffff88803354f000
[ 68.355675][ T5322] R13: ffffc9000d40f180 R14: 0000000000000000 R15: ffffc9000d40f198
[ 68.359206][ T5322] FS: 00007ff563dc16c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000
[ 68.363017][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.365855][ T5322] CR2: 0000200000002000 CR3: 000000003e092000 CR4: 0000000000352ef0
[ 68.369480][ T5322] Call Trace:
[ 68.370928][ T5322]
[ 68.372190][ T5322] notifier_call_chain+0x1b6/0x3e0
[ 68.374503][ T5322] ? atomic_notifier_call_chain+0x26/0x180
[ 68.377072][ T5322] atomic_notifier_call_chain+0xda/0x180
[ 68.379509][ T5322] call_fib_notifiers+0x31/0x60
[ 68.381731][ T5322] call_fib6_multipath_entry_notifiers+0xe6/0x150
[ 68.384227][ T5322] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10
[ 68.386949][ T5322] ? inet6_rtm_newroute+0xe8b/0x18c0
[ 68.389190][ T5322] inet6_rtm_newroute+0x12f5/0x18c0
[ 68.391286][ T5322] ? kmem_cache_free+0x19b/0x690
[ 68.393759][ T5322] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 68.396202][ T5322] ? __local_bh_enable_ip+0x12d/0x1c0
[ 68.398839][ T5322] ? __dev_queue_xmit+0x27b/0x3b50
[ 68.402179][ T5322] ? __dev_queue_xmit+0x1d79/0x3b50
[ 68.405023][ T5322] ? kasan_save_track+0x3e/0x80
[ 68.407535][ T5322] ? __kasan_slab_alloc+0x6c/0x80
[ 68.409822][ T5322] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 68.412323][ T5322] rtnetlink_rcv_msg+0x7cf/0xb70
[ 68.414482][ T5322] ? rtnetlink_rcv_msg+0x1ab/0xb70
[ 68.416707][ T5322] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 68.419378][ T5322] ? ref_tracker_free+0x63a/0x7d0
[ 68.421566][ T5322] ? __asan_memcpy+0x40/0x70
[ 68.423621][ T5322] ? __pfx_ref_tracker_free+0x10/0x10
[ 68.425944][ T5322] ? __skb_clone+0x63/0x7a0
[ 68.428045][ T5322] netlink_rcv_skb+0x208/0x470
[ 68.430049][ T5322] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 68.432243][ T5322] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 68.434469][ T5322] ? netlink_deliver_tap+0x2e/0x1b0
[ 68.436591][ T5322] netlink_unicast+0x82f/0x9e0
[ 68.438638][ T5322] ? __pfx_netlink_unicast+0x10/0x10
[ 68.441299][ T5322] ? netlink_sendmsg+0x642/0xb30
[ 68.443702][ T5322] ? skb_put+0x11b/0x210
[ 68.445665][ T5322] netlink_sendmsg+0x805/0xb30
[ 68.447868][ T5322] ? __pfx_netlink_sendmsg+0x10/0x10
[ 68.450295][ T5322] ? aa_sock_msg_perm+0xf1/0x1d0
[ 68.452492][ T5322] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 68.454755][ T5322] ? __pfx_netlink_sendmsg+0x10/0x10
[ 68.457070][ T5322] __sock_sendmsg+0x21c/0x270
[ 68.459086][ T5322] ____sys_sendmsg+0x505/0x830
[ 68.461170][ T5322] ? __pfx_____sys_sendmsg+0x10/0x10
[ 68.463288][ T5322] ? import_iovec+0x74/0xa0
[ 68.465085][ T5322] ___sys_sendmsg+0x21f/0x2a0
[ 68.466962][ T5322] ? __pfx____sys_sendmsg+0x10/0x10
[ 68.469147][ T5322] ? __fget_files+0x2a/0x420
[ 68.471582][ T5322] ? __fget_files+0x3a0/0x420
[ 68.473967][ T5322] __x64_sys_sendmsg+0x19b/0x260
[ 68.476071][ T5322] ? __pfx___x64_sys_sendmsg+0x10/0x10
[ 68.478438][ T5322] ? do_syscall_64+0xbe/0xfa0
[ 68.481001][ T5322] do_syscall_64+0xfa/0xfa0
[ 68.483340][ T5322] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.485951][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.489222][ T5322] ? clear_bhb_loop+0x60/0xb0
[ 68.491546][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.494160][ T5322] RIP: 0033:0x7ff562f8eec9
[ 68.496346][ T5322] 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 a8 ff ff ff f7 d8 64 89 01 48
[ 68.504962][ T5322] RSP: 002b:00007ff563dc1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 68.508576][ T5322] RAX: ffffffffffffffda RBX: 00007ff5631e5fa0 RCX: 00007ff562f8eec9
[ 68.511889][ T5322] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003
[ 68.515327][ T5322] RBP: 00007ff563011f91 R08: 0000000000000000 R09: 0000000000000000
[ 68.518741][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 68.522876][ T5322] R13: 00007ff5631e6038 R14: 00007ff5631e5fa0 R15: 00007ffd016350f8
[ 68.526870][ T5322]
[ 68.528448][ T5322] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 68.531292][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 68.534788][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 68.539154][ T5322] Call Trace:
[ 68.540575][ T5322]
[ 68.541842][ T5322] dump_stack_lvl+0x99/0x250
[ 68.543784][ T5322] ? __asan_memcpy+0x40/0x70
[ 68.545762][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.548147][ T5322] ? __pfx__printk+0x10/0x10
[ 68.550185][ T5322] vpanic+0x237/0x6d0
[ 68.552056][ T5322] ? __pfx_vpanic+0x10/0x10
[ 68.554044][ T5322] panic+0xb9/0xc0
[ 68.555797][ T5322] ? __pfx_panic+0x10/0x10
[ 68.557774][ T5322] __warn+0x31b/0x4b0
[ 68.559532][ T5322] ? nsim_fib_event_nb+0xed8/0x1080
[ 68.562034][ T5322] ? nsim_fib_event_nb+0xed8/0x1080
[ 68.564290][ T5322] report_bug+0x2be/0x4f0
[ 68.566255][ T5322] ? nsim_fib_event_nb+0xed8/0x1080
[ 68.568543][ T5322] ? nsim_fib_event_nb+0xed8/0x1080
[ 68.570898][ T5322] ? nsim_fib_event_nb+0xeda/0x1080
[ 68.573161][ T5322] handle_bug+0x84/0x160
[ 68.574977][ T5322] exc_invalid_op+0x1a/0x50
[ 68.577210][ T5322] asm_exc_invalid_op+0x1a/0x20
[ 68.579375][ T5322] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080
[ 68.581902][ T5322] Code: fa be 02 00 00 00 eb 0a e8 85 58 d9 fa be 01 00 00 00 4c 89 f7 e8 48 52 ab fd 4c 8b 64 24 08 e9 91 f4 ff ff e8 69 58 d9 fa 90 <0f> 0b 90 e9 70 fb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 35
[ 68.590014][ T5322] RSP: 0018:ffffc9000d40f008 EFLAGS: 00010283
[ 68.592711][ T5322] RAX: ffffffff86e6fb27 RBX: 0000000000000001 RCX: 0000000000100000
[ 68.596104][ T5322] RDX: ffffc9000e40a000 RSI: 0000000000000f63 RDI: 0000000000000f64
[ 68.599540][ T5322] RBP: dffffc0000000000 R08: ffff88803f73c42f R09: 1ffff11007ee7885
[ 68.603011][ T5322] R10: dffffc0000000000 R11: ffffed1007ee7886 R12: ffff88803354f000
[ 68.606561][ T5322] R13: ffffc9000d40f180 R14: 0000000000000000 R15: ffffc9000d40f198
[ 68.610131][ T5322] ? nsim_fib_event_nb+0xed7/0x1080
[ 68.612436][ T5322] ? nsim_fib_event_nb+0xed7/0x1080
[ 68.614698][ T5322] notifier_call_chain+0x1b6/0x3e0
[ 68.617013][ T5322] ? atomic_notifier_call_chain+0x26/0x180
[ 68.619368][ T5322] atomic_notifier_call_chain+0xda/0x180
[ 68.621536][ T5322] call_fib_notifiers+0x31/0x60
[ 68.623505][ T5322] call_fib6_multipath_entry_notifiers+0xe6/0x150
[ 68.626132][ T5322] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10
[ 68.628894][ T5322] ? inet6_rtm_newroute+0xe8b/0x18c0
[ 68.630922][ T5322] inet6_rtm_newroute+0x12f5/0x18c0
[ 68.633162][ T5322] ? kmem_cache_free+0x19b/0x690
[ 68.635407][ T5322] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 68.637880][ T5322] ? __local_bh_enable_ip+0x12d/0x1c0
[ 68.640210][ T5322] ? __dev_queue_xmit+0x27b/0x3b50
[ 68.642587][ T5322] ? __dev_queue_xmit+0x1d79/0x3b50
[ 68.644879][ T5322] ? kasan_save_track+0x3e/0x80
[ 68.646843][ T5322] ? __kasan_slab_alloc+0x6c/0x80
[ 68.649068][ T5322] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 68.651421][ T5322] rtnetlink_rcv_msg+0x7cf/0xb70
[ 68.653499][ T5322] ? rtnetlink_rcv_msg+0x1ab/0xb70
[ 68.655875][ T5322] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 68.658229][ T5322] ? ref_tracker_free+0x63a/0x7d0
[ 68.660335][ T5322] ? __asan_memcpy+0x40/0x70
[ 68.662256][ T5322] ? __pfx_ref_tracker_free+0x10/0x10
[ 68.664522][ T5322] ? __skb_clone+0x63/0x7a0
[ 68.666596][ T5322] netlink_rcv_skb+0x208/0x470
[ 68.668807][ T5322] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 68.671292][ T5322] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 68.673707][ T5322] ? netlink_deliver_tap+0x2e/0x1b0
[ 68.676041][ T5322] netlink_unicast+0x82f/0x9e0
[ 68.678203][ T5322] ? __pfx_netlink_unicast+0x10/0x10
[ 68.680515][ T5322] ? netlink_sendmsg+0x642/0xb30
[ 68.682658][ T5322] ? skb_put+0x11b/0x210
[ 68.684558][ T5322] netlink_sendmsg+0x805/0xb30
[ 68.686669][ T5322] ? __pfx_netlink_sendmsg+0x10/0x10
[ 68.688988][ T5322] ? aa_sock_msg_perm+0xf1/0x1d0
[ 68.691212][ T5322] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 68.693646][ T5322] ? __pfx_netlink_sendmsg+0x10/0x10
[ 68.696041][ T5322] __sock_sendmsg+0x21c/0x270
[ 68.698216][ T5322] ____sys_sendmsg+0x505/0x830
[ 68.700413][ T5322] ? __pfx_____sys_sendmsg+0x10/0x10
[ 68.702768][ T5322] ? import_iovec+0x74/0xa0
[ 68.704712][ T5322] ___sys_sendmsg+0x21f/0x2a0
[ 68.706706][ T5322] ? __pfx____sys_sendmsg+0x10/0x10
[ 68.708852][ T5322] ? __fget_files+0x2a/0x420
[ 68.710712][ T5322] ? __fget_files+0x3a0/0x420
[ 68.712651][ T5322] __x64_sys_sendmsg+0x19b/0x260
[ 68.714629][ T5322] ? __pfx___x64_sys_sendmsg+0x10/0x10
[ 68.716774][ T5322] ? do_syscall_64+0xbe/0xfa0
[ 68.718883][ T5322] do_syscall_64+0xfa/0xfa0
[ 68.720828][ T5322] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.723048][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.725727][ T5322] ? clear_bhb_loop+0x60/0xb0
[ 68.727771][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.730270][ T5322] RIP: 0033:0x7ff562f8eec9
[ 68.732239][ T5322] 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 a8 ff ff ff f7 d8 64 89 01 48
[ 68.740216][ T5322] RSP: 002b:00007ff563dc1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 68.744304][ T5322] RAX: ffffffffffffffda RBX: 00007ff5631e5fa0 RCX: 00007ff562f8eec9
[ 68.747911][ T5322] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003
[ 68.751280][ T5322] RBP: 00007ff563011f91 R08: 0000000000000000 R09: 0000000000000000
[ 68.754668][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 68.758161][ T5322] R13: 00007ff5631e6038 R14: 00007ff5631e5fa0 R15: 00007ffd016350f8
[ 68.761477][ T5322]
[ 68.763131][ T5322] Kernel Offset: disabled
[ 68.764991][ T5322] Rebooting in 86400 seconds..