RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007ff957bcb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe805318af R14: 00007ff957bcb300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11575 at kernel/workqueue.c:3031 arch___set_bit arch/x86/include/asm/bitops.h:68 [inline] WARNING: CPU: 1 PID: 11575 at kernel/workqueue.c:3031 __set_bit include/asm-generic/bitops-instrumented.h:44 [inline] WARNING: CPU: 1 PID: 11575 at kernel/workqueue.c:3031 insert_wq_barrier kernel/workqueue.c:2676 [inline] WARNING: CPU: 1 PID: 11575 at kernel/workqueue.c:3031 start_flush_work kernel/workqueue.c:2999 [inline] WARNING: CPU: 1 PID: 11575 at kernel/workqueue.c:3031 __flush_work+0x752/0x930 kernel/workqueue.c:3039 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 11575 Comm: syz-executor.5 Not tainted 5.4.0-rc2-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+0x86/0xca lib/dump_stack.c:113 panic+0x29a/0x523 kernel/panic.c:220 __warn.cold.10+0x25/0x25 kernel/panic.c:581 report_bug+0x1ad/0x270 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x125/0x1d0 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x2d/0x40 arch/x86/entry/entry_64.S:1028 RIP: 0010:__flush_work+0x752/0x930 kernel/workqueue.c:3031 Code: 89 df 48 89 95 e0 fe ff ff e8 fa 8c 5c 00 41 83 e5 08 48 0f ba 2b 03 41 81 cd e0 01 00 00 48 8b 95 e0 fe ff ff e9 67 fb ff ff <0f> 0b c6 85 f3 fe ff ff 00 e9 d6 fc ff ff e8 4b 37 15 00 84 c0 0f RSP: 0018:ffff8880a0e6f0e8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880a8e5a300 RCX: 1ffff110141cde22 RDX: 1ffff110151cb463 RSI: 0000000000000001 RDI: ffff8880a8e5a300 RBP: ffff8880a0e6f218 R08: 0000000000000006 R09: fffffbfff1a35b38 R10: fffffbfff1a35b37 R11: ffffffff8d1ad9bf R12: ffff8880a8e5a318 R13: ffff8880a0e6f1f0 R14: ffff8880a8e5a300 R15: 0000000000000000 __cancel_work_timer+0x29d/0x3a0 kernel/workqueue.c:3127 cancel_work_sync+0xb/0x10 kernel/workqueue.c:3163 rhashtable_free_and_destroy+0x25/0x6b0 lib/rhashtable.c:1130 mesh_table_free net/mac80211/mesh_pathtbl.c:69 [inline] mesh_pathtbl_init+0xb4/0xe0 net/mac80211/mesh_pathtbl.c:786 ieee80211_mesh_init_sdata+0x183/0x3e0 net/mac80211/mesh.c:1529 ieee80211_setup_sdata+0xb5c/0xf20 net/mac80211/iface.c:1454 ieee80211_if_add+0xc6a/0x1760 net/mac80211/iface.c:1866 ieee80211_add_iface+0x7a/0xf0 net/mac80211/cfg.c:126 rdev_add_virtual_intf net/wireless/rdev-ops.h:45 [inline] nl80211_new_interface+0x3f5/0xfc0 net/wireless/nl80211.c:3617 genl_family_rcv_msg+0x61d/0x12f0 net/netlink/genetlink.c:629 genl_rcv_msg+0xb1/0x160 net/netlink/genetlink.c:654 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x43b/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x79e/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:657 ___sys_sendmsg+0x653/0x950 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0x9d/0x550 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff957bcb188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007ff957bcb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe805318af R14: 00007ff957bcb300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..