------------[ cut here ]------------ WARNING: CPU: 1 PID: 26412 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 26412 Comm: syz-executor Not tainted 6.14.0-rc3-syzkaller-g9aa8fe29f624 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2256 Code: ff e8 e1 af 38 00 90 0f 0b 90 e9 b2 fe ff ff e8 d3 af 38 00 eb 13 e8 cc af 38 00 eb 0c e8 c5 af 38 00 eb 05 e8 be af 38 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc RSP: 0018:ffffc90000a18b08 EFLAGS: 00010046 RAX: ffffffff818915cd RBX: 0000000000000100 RCX: ffff88807d5f3c00 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff818909f8 R09: 1ffffffff207a0ae R10: dffffc0000000000 R11: ffffffff81891e00 R12: ffff8880634d3000 R13: ffff8880634d31c0 R14: dffffc0000000000 R15: 0000000000000008 FS: 000055558b3e5500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdd02ad7d60 CR3: 0000000028a12000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x187/0x650 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1835 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x695/0x8e0 kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_is_held_type+0x13b/0x190 Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc9000409e938 EFLAGS: 00000206 RAX: 82a4a5cc47e90000 RBX: 0000000000000000 RCX: ffff88807d5f3c00 RDX: 0000000000000000 RSI: ffffffff8c2ab700 RDI: ffffffff8c810bc0 RBP: 0000000000000003 R08: ffff8880348599b7 R09: 0000000000000000 R10: ffff8880348599a8 R11: ffffed100690b337 R12: 0000000000000246 R13: ffff88807d5f3c00 R14: 00000000ffffffff R15: ffffffff8eb39080 lock_is_held include/linux/lockdep.h:249 [inline] __might_resched+0xa5/0x780 kernel/sched/core.c:8729 down_write+0x79/0x220 kernel/locking/rwsem.c:1576 kernfs_link_sibling+0x2d6/0x420 fs/kernfs/dir.c:386 kernfs_add_one+0x1ca/0x700 fs/kernfs/dir.c:795 __kernfs_create_file+0x22e/0x2e0 fs/kernfs/file.c:1063 sysfs_add_file_mode_ns+0x24a/0x310 fs/sysfs/file.c:313 create_files fs/sysfs/group.c:76 [inline] internal_create_group+0x782/0x12d0 fs/sysfs/group.c:183 internal_create_groups fs/sysfs/group.c:223 [inline] sysfs_create_groups+0x56/0x120 fs/sysfs/group.c:249 device_add_groups drivers/base/core.c:2812 [inline] device_add_attrs+0xe5/0x600 drivers/base/core.c:2876 device_add+0x576/0xbf0 drivers/base/core.c:3619 netdev_register_kobject+0x157/0x2e0 net/core/net-sysfs.c:2170 register_netdevice+0x12c3/0x1b60 net/core/dev.c:10949 ipcaif_newlink+0x1f0/0x4d0 net/caif/chnl_net.c:451 rtnl_newlink_create+0x2ee/0xa40 net/core/rtnetlink.c:3796 __rtnl_newlink net/core/rtnetlink.c:3907 [inline] rtnl_newlink+0x17cc/0x1d30 net/core/rtnetlink.c:4022 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6912 netlink_rcv_skb+0x206/0x480 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 __sys_sendto+0x363/0x4c0 net/socket.c:2187 __do_sys_sendto net/socket.c:2194 [inline] __se_sys_sendto net/socket.c:2190 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2190 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd01d8effc Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b RSP: 002b:00007ffda4874710 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fdd02ad4620 RCX: 00007fdd01d8effc RDX: 0000000000000038 RSI: 00007fdd02ad4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffda4874764 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fdd02ad4670 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 75 44 jne 0x46 2: 48 c7 04 24 00 00 00 movq $0x0,(%rsp) 9: 00 a: 9c pushf b: 8f 04 24 pop (%rsp) e: f7 04 24 00 02 00 00 testl $0x200,(%rsp) 15: 75 4c jne 0x63 17: 41 f7 c4 00 02 00 00 test $0x200,%r12d 1e: 74 01 je 0x21 20: fb sti 21: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 28: 00 00 * 2a: 48 3b 44 24 08 cmp 0x8(%rsp),%rax <-- trapping instruction 2f: 75 42 jne 0x73 31: 89 d8 mov %ebx,%eax 33: 48 83 c4 10 add $0x10,%rsp 37: 5b pop %rbx 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: 41 5e pop %r14 3e: 41 5f pop %r15