BUG: spinlock recursion on CPU#1, syz-executor.1/9562 lock: 0xffff8880b28aa0b8, .magic: dead4ead, .owner: syz-executor.1/9562, .owner_cpu: 1 CPU: 1 PID: 9562 Comm: syz-executor.1 Not tainted 4.14.307-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 debug_spin_lock_before kernel/locking/spinlock_debug.c:84 [inline] do_raw_spin_lock+0x1a2/0x200 kernel/locking/spinlock_debug.c:112 netif_addr_lock_nested include/linux/netdevice.h:3714 [inline] dev_mc_sync+0x10b/0x1c0 net/core/dev_addr_lists.c:765 vlan_dev_set_rx_mode+0x38/0x80 net/8021q/vlan_dev.c:486 __dev_set_rx_mode+0x191/0x2a0 net/core/dev.c:6724 dev_uc_unsync net/core/dev_addr_lists.c:600 [inline] dev_uc_unsync+0x16c/0x1c0 net/core/dev_addr_lists.c:592 bond_hw_addr_flush drivers/net/bonding/bond_main.c:559 [inline] bond_enslave+0x1d35/0x4cf0 drivers/net/bonding/bond_main.c:1805 REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 rtnl_newlink+0x1356/0x1830 net/core/rtnetlink.c:2759 REISERFS (device loop5): using ordered data mode reiserfs: using flush barriers REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop5): checking transaction log (loop5) rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4322 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2461 REISERFS (device loop5): Using r5 hash to sort names netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1328 REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. netlink_sendmsg+0x651/0xbc0 net/netlink/af_netlink.c:1900 base_sock_release(ffff88805063e580) sk= (null) sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 hrtimer: interrupt took 25567 ns audit: type=1804 audit(1677780186.005:2): pid=9564 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir371525945/syzkaller.MgBgSr/5/file1/bus" dev="loop5" ino=4 res=1 audit: type=1804 audit(1677780186.005:3): pid=9589 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir371525945/syzkaller.MgBgSr/5/file1/bus" dev="loop5" ino=4 res=1 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 base_sock_release(ffff88805063ea00) sk=ffff88809aba9240 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 syz-executor.5 (9564) used greatest stack depth: 24616 bytes left do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fa7a11b10f9 RSP: 002b:00007fa79f723168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa7a12d0f80 RCX: 00007fa7a11b10f9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000007 RBP: 00007fa7a120cae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa349450f R14: 00007fa79f723300 R15: 0000000000022000