------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci1 WARNING: CPU: 0 PID: 25071 at kernel/workqueue.c:2258 __queue_work+0xd62/0xfe0 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 25071 Comm: syz-executor Not tainted 6.15.0-rc4-syzkaller-gb4432656b36e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__queue_work+0xd62/0xfe0 kernel/workqueue.c:2256 Code: 42 80 3c 20 00 74 08 4c 89 ef e8 e9 d7 96 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 e0 c7 69 8b 4c 89 fa e8 9f 40 f9 ff 90 <0f> 0b 90 90 e9 f1 f4 ff ff e8 c0 e2 34 00 90 0f 0b 90 e9 dd fc ff RSP: 0018:ffffc90000007b08 EFLAGS: 00010046 RAX: 26ebb3203cc82200 RBX: 0000000000000100 RCX: ffff88802fe81e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 1ffff11004c61a38 R08: ffffffff8df2f9c3 R09: 1ffffffff1be5f38 R10: dffffc0000000000 R11: fffffbfff1be5f39 R12: dffffc0000000000 R13: ffff8880315f8948 R14: 0000000000000008 R15: ffff88802630d178 FS: 0000555583007500(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6351fc31b0 CR3: 0000000033e3e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x17b/0x5f0 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1835 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x646/0x860 kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2445 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 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:__orc_find arch/x86/kernel/unwind_orc.c:99 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline] RIP: 0010:unwind_next_frame+0x1334/0x2390 arch/x86/kernel/unwind_orc.c:494 Code: 0f b6 04 08 84 c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49 8d 47 fc 48 0f 47 d8 4d 0f 46 ef 48 39 dd 76 a2 7b ef ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 7c cc 4c 89 ff 48 RSP: 0018:ffffc9000329e5f8 EFLAGS: 00000212 RAX: ffffffff8f9b3468 RBX: ffffffff8f9b346c RCX: ffffffff8f9b3470 RDX: ffffffff8f9b346c RSI: ffffffff901a6786 RDI: ffffffff8bc1cd80 RBP: ffffffff8f9b3470 R08: 0000000000000009 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff817199f5 R12: ffffffff82218652 R13: ffffffff8f9b346c R14: ffffc9000329e6c8 R15: ffffffff8f9b346c arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x230/0x3d0 mm/slub.c:4372 kmalloc_noprof include/linux/slab.h:905 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:664 [inline] netdevice_event+0x3a1/0x8a0 drivers/infiniband/core/roce_gid_mgmt.c:823 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2214 [inline] call_netdevice_notifiers net/core/dev.c:2228 [inline] register_netdevice+0x1608/0x1af0 net/core/dev.c:11047 veth_newlink+0x42f/0xa50 drivers/net/veth.c:1818 rtnl_newlink_create+0x305/0xaf0 net/core/rtnetlink.c:3833 __rtnl_newlink net/core/rtnetlink.c:3950 [inline] rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6955 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 __sys_sendto+0x3bd/0x520 net/socket.c:2180 __do_sys_sendto net/socket.c:2187 [inline] __se_sys_sendto net/socket.c:2183 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2183 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f17057907fc 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:00007ffeb122adb0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f17064e4620 RCX: 00007f17057907fc RDX: 0000000000000068 RSI: 00007f17064e4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffeb122ae04 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f17064e4670 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax 4: 84 c0 test %al,%al 6: 75 27 jne 0x2f 8: 49 63 07 movslq (%r15),%rax b: 4c 01 f8 add %r15,%rax e: 49 8d 4f 04 lea 0x4(%r15),%rcx 12: 4c 39 e0 cmp %r12,%rax 15: 48 0f 46 e9 cmovbe %rcx,%rbp 19: 49 8d 47 fc lea -0x4(%r15),%rax 1d: 48 0f 47 d8 cmova %rax,%rbx 21: 4d 0f 46 ef cmovbe %r15,%r13 25: 48 39 dd cmp %rbx,%rbp 28: 76 a2 jbe 0xffffffcc * 2a: e9 7b ef ff ff jmp 0xffffefaa <-- trapping instruction 2f: 44 89 f9 mov %r15d,%ecx 32: 80 e1 07 and $0x7,%cl 35: 80 c1 03 add $0x3,%cl 38: 38 c1 cmp %al,%cl 3a: 7c cc jl 0x8 3c: 4c 89 ff mov %r15,%rdi 3f: 48 rex.W