watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.3.70:1009]
Modules linked in:
CPU: 0 PID: 1009 Comm: syz.3.70 Not tainted 5.4.290-syzkaller-00002-g41adfeb3d639 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:unwind_done arch/x86/include/asm/unwind.h:46 [inline]
RIP: 0010:unwind_get_return_address+0x1e/0x80 arch/x86/kernel/unwind_orc.c:310
Code: e9 e1 fe ff ff e8 f2 32 0b 00 66 90 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 <84> c0 75 47 83 3b 00 74 3a 48 83 c3 48 49 89 df 49 c1 ef 03 43 80
RSP: 0000:ffff8881f6e09540 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8881f6e09560 RCX: 6d48adbd3bcde900
RDX: ffff8881f6e095a0 RSI: ffff8881f6e091e0 RDI: ffff8881f6e09560
RBP: ffff8881f6e095f0 R08: dffffc0000000000 R09: ffff8881f6e095b0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f0d88fc0
R13: ffffffff8153c430 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f3eb40446c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001cce31000 CR4: 00000000003406b0
DR0: 0040000100000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0xf5/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kfree+0x123/0x370 mm/slub.c:4071
 skb_release_all net/core/skbuff.c:675 [inline]
 __kfree_skb net/core/skbuff.c:689 [inline]
 consume_skb+0xa5/0x2a0 net/core/skbuff.c:849
 netlink_broadcast_filtered+0x115f/0x1280 net/netlink/af_netlink.c:1516
 netlink_broadcast net/netlink/af_netlink.c:1538 [inline]
 nlmsg_multicast include/net/netlink.h:968 [inline]
 nlmsg_notify+0xf7/0x1b0 net/netlink/af_netlink.c:2510
 __br_mdb_notify+0x8f8/0xc60 net/bridge/br_mdb.c:434
 br_mdb_notify+0x203/0x360 net/bridge/br_mdb.c:457
 br_multicast_host_leave net/bridge/br_multicast.c:532 [inline]
 br_multicast_group_expired+0x19e/0x360 net/bridge/br_multicast.c:151
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:539 [inline]
 smp_apic_timer_interrupt+0x11a/0x490 arch/x86/kernel/apic/apic.c:1161
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0033:0x7f3eb59da169
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3eb4044038 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000008 RBX: 00007f3eb5bf2fa0 RCX: 00007f3eb59da169
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007f3eb5a5b2a0 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3eb5bf2fa0 R15: 00007ffe5cffbbf8
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 1 skipped: idling at default_idle+0x1f/0x30 arch/x86/kernel/process.c:572