watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:4307]
Modules linked in:
irq event stamp: 110808
hardirqs last  enabled at (110807): [<ffff800011c25b9c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (110807): [<ffff800011c25b9c>] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194
hardirqs last disabled at (110808): [<ffff800011b4d1fc>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (110788): [<ffff80001085ed9c>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (110788): [<ffff80001085ed9c>] fib_create_info+0x1964/0x1e18 net/ipv4/fib_semantics.c:1637
softirqs last disabled at (110786): [<ffff80001085e920>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (110786): [<ffff80001085e920>] fib_create_info+0x14e8/0x1e18 net/ipv4/fib_semantics.c:1615
CPU: 1 PID: 4307 Comm: syz-executor.4 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:131
lr : lock_is_held_type+0x150/0x1a8 kernel/locking/lockdep.c:5668
sp : ffff8000207f5f50
x29: ffff8000207f5f50 x28: 00000000000000fe x27: dfff800000000000
x26: ffff0000c812b680 x25: ffff800014ac3d00 x24: ffff800014c123c0
x23: 0000000000000001 x22: ffff0000c812c088 x21: ffff800014d42360
x20: 0000000000000001 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082eae24 x15: 00000000ffffffff
x14: 1ffff0000296e06c x13: dfff800000000000 x12: 00000000d32648f0
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff80001081e190 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff800011cabfc0 x0 : 0000000000000000
Call trace:
 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122
 lock_is_held include/linux/lockdep.h:287 [inline]
 rcu_read_lock_held+0x34/0x50 kernel/rcu/update.c:311
 inet_select_addr+0x220/0x960 net/ipv4/devinet.c:1330
 fib_info_update_nhc_saddr+0xa0/0x198 net/ipv4/fib_semantics.c:1353
 fib_create_info+0x136c/0x1e18 net/ipv4/fib_semantics.c:1594
 fib_table_insert+0x1bc/0x1550 net/ipv4/fib_trie.c:1231
 fib_magic net/ipv4/fib_frontend.c:1092 [inline]
 fib_add_ifaddr+0xba0/0x122c net/ipv4/fib_frontend.c:1136
 fib_netdev_event+0x564/0x6d4 net/ipv4/fib_frontend.c:1474
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:391
 __dev_notify_flags+0x2ac/0x534
 dev_change_flags+0xc8/0x154 net/core/dev.c:8897
 do_setlink+0xac4/0x3134 net/core/rtnetlink.c:2776
 __rtnl_newlink net/core/rtnetlink.c:3447 [inline]
 rtnl_newlink+0x1294/0x1acc net/core/rtnetlink.c:3569
 rtnetlink_rcv_msg+0xa74/0xdac net/core/rtnetlink.c:5647
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5665
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x388/0x4d0 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584