IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route IPv6: NLM_F_CREATE should be set when creating new route ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6683 at drivers/net/netdevsim/fib.c:831 nsim_fib6_event_init drivers/net/netdevsim/fib.c:831 [inline] WARNING: CPU: 1 PID: 6683 at drivers/net/netdevsim/fib.c:831 nsim_fib6_prepare_event drivers/net/netdevsim/fib.c:947 [inline] WARNING: CPU: 1 PID: 6683 at drivers/net/netdevsim/fib.c:831 nsim_fib_event_schedule_work drivers/net/netdevsim/fib.c:1003 [inline] WARNING: CPU: 1 PID: 6683 at drivers/net/netdevsim/fib.c:831 nsim_fib_event_nb+0x218/0x52c drivers/net/netdevsim/fib.c:1043 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 UID: 0 PID: 6683 Comm: syz.0.731 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:8281f77c r5:00000000 r4:82260bc4 [<80201b08>] (show_stack) from [<8021fbe4>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021fbe4>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120) [<8021fb90>] (dump_stack_lvl) from [<8021fc24>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:82a77d18 [<8021fc0c>] (dump_stack) from [<80202624>] (vpanic+0x10c/0x30c kernel/panic.c:430) [<80202518>] (vpanic) from [<80202858>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:566) r7:80e4dddc [<80202824>] (panic) from [<80254960>] (check_panic_on_warn kernel/panic.c:323 [inline]) [<80202824>] (panic) from [<80254960>] (get_taint+0x0/0x1c kernel/panic.c:318) r3:8280c684 r2:00000001 r1:822475e0 r0:8224f05c [<802548e8>] (check_panic_on_warn) from [<80254ac4>] (__warn+0x80/0x188 kernel/panic.c:837) [<80254a44>] (__warn) from [<80254d44>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:864) r8:00000009 r7:82348364 r6:dfecd8e4 r5:85b98000 r4:00000000 [<80254bd0>] (warn_slowpath_fmt) from [<80e4dddc>] (nsim_fib6_event_init drivers/net/netdevsim/fib.c:831 [inline]) [<80254bd0>] (warn_slowpath_fmt) from [<80e4dddc>] (nsim_fib6_prepare_event drivers/net/netdevsim/fib.c:947 [inline]) [<80254bd0>] (warn_slowpath_fmt) from [<80e4dddc>] (nsim_fib_event_schedule_work drivers/net/netdevsim/fib.c:1003 [inline]) [<80254bd0>] (warn_slowpath_fmt) from [<80e4dddc>] (nsim_fib_event_nb+0x218/0x52c drivers/net/netdevsim/fib.c:1043) r10:85abce00 r9:858a4884 r8:00000001 r7:85abce00 r6:dfecd9ec r5:858a4800 r4:833cee00 [<80e4dbc4>] (nsim_fib_event_nb) from [<802855fc>] (notifier_call_chain+0x60/0x1b4 kernel/notifier.c:85) r10:dfecd9ec r9:dfecdb34 r8:80e4dbc4 r7:00000000 r6:ffffffff r5:833cee00 r4:00000000 [<8028559c>] (notifier_call_chain) from [<80285878>] (atomic_notifier_call_chain+0x3c/0x50 kernel/notifier.c:223) r10:dfecda40 r9:dfecdb34 r8:00000003 r7:00000005 r6:dfecd9ec r5:00000001 r4:84ac8788 [<8028583c>] (atomic_notifier_call_chain) from [<815b949c>] (call_fib_notifiers+0x44/0x58 net/core/fib_notifier.c:35) r6:84ac8780 r5:dfecd9ec r4:00000001 [<815b9458>] (call_fib_notifiers) from [<81871f44>] (call_fib6_notifiers+0x18/0x1c net/ipv6/fib6_notifier.c:22) r7:00000000 r6:85abce00 r5:00000000 r4:00000000 [<81871f2c>] (call_fib6_notifiers) from [<818478ec>] (call_fib6_multipath_entry_notifiers+0x48/0x6c net/ipv6/ip6_fib.c:425) [<818478a4>] (call_fib6_multipath_entry_notifiers) from [<81844144>] (ip6_route_multipath_add+0x5c8/0x7ac net/ipv6/route.c:5527) r4:00000001 [<81843b7c>] (ip6_route_multipath_add) from [<818443a8>] (inet6_rtm_newroute+0x80/0xc4 net/ipv6/route.c:5649) r10:00000000 r9:00000000 r8:82c1f5a8 r7:84eca6c0 r6:85420d80 r5:84eca6c0 r4:dfecdc48 [<81844328>] (inet6_rtm_newroute) from [<815923e0>] (rtnetlink_rcv_msg+0x2e0/0x334 net/core/rtnetlink.c:6946) r6:0000000a r5:81844328 r4:85420d80 [<81592100>] (rtnetlink_rcv_msg) from [<81672674>] (netlink_rcv_skb+0xc0/0x120 net/netlink/af_netlink.c:2552) r10:00000000 r9:00000000 r8:85790000 r7:0000004c r6:85420d80 r5:81592100 r4:84eca6c0 [<816725b4>] (netlink_rcv_skb) from [<81590fac>] (rtnetlink_rcv+0x18/0x1c net/core/rtnetlink.c:6973) r7:84eca6c0 r6:84ac84c0 r5:0000004c r4:848e3400 [<81590f94>] (rtnetlink_rcv) from [<81671e40>] (netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]) [<81590f94>] (rtnetlink_rcv) from [<81671e40>] (netlink_unicast+0x1f0/0x30c net/netlink/af_netlink.c:1346) [<81671c50>] (netlink_unicast) from [<81672128>] (netlink_sendmsg+0x1cc/0x444 net/netlink/af_netlink.c:1896) r9:00000000 r8:00000000 r7:85d2e400 r6:0000004c r5:84eca6c0 r4:dfecdf20 [<81671f5c>] (netlink_sendmsg) from [<81543cc8>] (sock_sendmsg_nosec net/socket.c:714 [inline]) [<81671f5c>] (netlink_sendmsg) from [<81543cc8>] (__sock_sendmsg+0x44/0x78 net/socket.c:729) r10:00000000 r9:dfecddc4 r8:dfecddc4 r7:00000000 r6:85091180 r5:dfecdf20 r4:00000000 [<81543c84>] (__sock_sendmsg) from [<81545020>] (____sys_sendmsg+0x298/0x2cc net/socket.c:2614) r7:00000000 r6:85091180 r5:00000000 r4:dfecdf20 [<81544d88>] (____sys_sendmsg) from [<81546fe8>] (___sys_sendmsg+0x9c/0xd0 net/socket.c:2668) r10:dfecde24 r9:20000100 r8:00000000 r7:00000000 r6:85091180 r5:dfecdf20 r4:00000000 [<81546f4c>] (___sys_sendmsg) from [<81547480>] (__sys_sendmsg+0x8c/0xe0 net/socket.c:2700) r10:00000128 r9:85b98000 r8:85a16d80 r7:00000000 r6:20000100 r5:85a16d81 r4:00000006 [<815473f4>] (__sys_sendmsg) from [<815474e8>] (__do_sys_sendmsg net/socket.c:2705 [inline]) [<815473f4>] (__sys_sendmsg) from [<815474e8>] (sys_sendmsg+0x14/0x18 net/socket.c:2703) r8:8020029c r7:00000128 r6:00306308 r5:00000000 r4:00000000 [<815474d4>] (sys_sendmsg) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xdfecdfa8 to 0xdfecdff0) dfa0: 00000000 00000000 00000006 20000100 00000000 00000000 dfc0: 00000000 00000000 00306308 00000128 002f0000 00000000 00006364 76f220bc dfe0: 76f21ec0 76f21eb0 0001948c 001322a0 Rebooting in 86400 seconds..