watchdog: BUG: soft lockup - CPU#0 stuck for 115s! [syz.3.285:4543] Modules linked in: irq event stamp: 12200975 hardirqs last enabled at (12200974): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 hardirqs last disabled at (12200975): [] sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1096 softirqs last enabled at (11611502): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last enabled at (11611502): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (11611502): [] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 softirqs last disabled at (11611505): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (11611505): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (11611505): [] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 CPU: 0 PID: 4543 Comm: syz.3.285 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:49 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline] RIP: 0010:unwind_next_frame+0x543/0x1fa0 arch/x86/kernel/unwind_orc.c:448 Code: 0f b6 04 10 84 c0 75 27 48 63 03 48 01 d8 48 8d 4b 04 4c 39 e8 4c 0f 46 f1 48 8d 43 fc 48 0f 47 e8 4c 0f 46 e3 49 39 ee 76 b3 31 fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c cd 48 89 7c 24 18 RSP: 0018:ffffc90000007488 EFLAGS: 00000202 RAX: ffffffff8df6dd40 RBX: ffffffff8df6dd44 RCX: ffffffff8df6dd48 RDX: dffffc0000000000 RSI: ffffffff8e5ee9dc RDI: ffffffff8df6dd44 RBP: ffffffff8df6dd44 R08: 0000000000000007 R09: ffffc90000007630 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8df6dd44 R13: ffffffff812fdd2c R14: ffffffff8df6dd48 R15: ffffc90000007540 FS: 00007f66606806c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe9c9312108 CR3: 0000000068ba3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x80 mm/kasan/common.c:46 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360 ____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0xf1/0x270 mm/slub.c:4559 skb_free_head net/core/skbuff.c:655 [inline] skb_release_data+0x73a/0x8a0 net/core/skbuff.c:677 skb_release_all net/core/skbuff.c:742 [inline] __kfree_skb+0x4c/0x60 net/core/skbuff.c:756 tcp_write_queue_purge+0x132/0x3e0 net/ipv4/tcp.c:2963 tcp_done_with_error+0x3d/0xc0 net/ipv4/tcp_input.c:4358 tcp_write_err net/ipv4/tcp_timer.c:70 [inline] tcp_probe_timer net/ipv4/tcp_timer.c:392 [inline] tcp_write_timer_handler+0x6b7/0x970 net/ipv4/tcp_timer.c:659 tcp_write_timer+0x12e/0x280 net/ipv4/tcp_timer.c:675 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1767 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__read_once_word_nocheck+0x3/0x10 include/asm-generic/rwonce.h:67 Code: c1 0f 8c dc fc ff ff 48 89 df e8 a8 74 91 00 48 ba 00 00 00 00 00 fc ff df e9 c5 fc ff ff 66 0f 1f 84 00 00 00 00 00 48 8b 07 cc cc cc cc cc cc cc cc cc cc cc cc 31 c0 81 ff 03 00 00 40 0f RSP: 0018:ffffc90003296ac0 EFLAGS: 00000286 RAX: 00007f6662207ef9 RBX: ffffc90003290000 RCX: ffffffff8e5886fc RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffc90003297fd8 RBP: dffffc0000000000 R08: 0000000000000004 R09: ffffc90003296c70 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1de2d0d R13: 1ffffffff1de2d0d R14: ffffffff8ef1686a R15: ffffc90003296b80 deref_stack_regs arch/x86/kernel/unwind_orc.c:375 [inline] unwind_next_frame+0x105a/0x1fa0 arch/x86/kernel/unwind_orc.c:552 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x8e/0xc0 mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x53/0x380 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233 kmem_cache_zalloc include/linux/slab.h:711 [inline] __kernfs_new_node+0xdb/0x750 fs/kernfs/dir.c:593 kernfs_new_node+0x136/0x230 fs/kernfs/dir.c:669 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:985 sysfs_add_file_mode_ns+0x308/0x3e0 fs/sysfs/file.c:317 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x573/0xf00 fs/sysfs/group.c:149 internal_create_groups fs/sysfs/group.c:189 [inline] sysfs_create_groups+0x52/0x110 fs/sysfs/group.c:215 device_add_groups drivers/base/core.c:2494 [inline] device_add_attrs+0x13c/0x470 drivers/base/core.c:2653 device_add+0x63e/0xfd0 drivers/base/core.c:3366 netdev_register_kobject+0x176/0x310 net/core/net-sysfs.c:2014 register_netdevice+0x108c/0x1720 net/core/dev.c:10357 __ip_tunnel_create+0x2b0/0x370 net/ipv4/ip_tunnel.c:267 ip_tunnel_init_net+0x21f/0x700 net/ipv4/ip_tunnel.c:1097 ops_init+0x35d/0x610 net/core/net_namespace.c:138 setup_net+0x358/0x9e0 net/core/net_namespace.c:332 copy_net_ns+0x392/0x5d0 net/core/net_namespace.c:476 create_new_namespaces+0x425/0x7a0 kernel/nsproxy.c:110 copy_namespaces+0x365/0x3b0 kernel/nsproxy.c:178 copy_process+0x1841/0x3ef0 kernel/fork.c:2209 kernel_clone+0x210/0x960 kernel/fork.c:2604 __do_sys_clone kernel/fork.c:2721 [inline] __se_sys_clone kernel/fork.c:2705 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2705 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f6662207ef9 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:00007f666067ffe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f66623bff80 RCX: 00007f6662207ef9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000004d100000 RBP: 00007f666227ab76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f66623bff80 R15: 00007ffd1866edd8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4636 Comm: syz.1.317 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:hrtimer_update_next_event kernel/time/hrtimer.c:603 [inline] RIP: 0010:hrtimer_interrupt+0x397/0x980 kernel/time/hrtimer.c:1817 Code: 08 00 00 00 e8 fa 30 de ff 4c 8b 6c 24 58 4c 89 ef 48 8b 74 24 10 48 8b 54 24 20 b9 0f 00 00 00 e8 ee 05 00 00 48 8b 44 24 08 <42> 0f b6 04 30 84 c0 48 8b 14 24 0f 85 01 03 00 00 0f b6 1a 89 de RSP: 0018:ffffc90000dd0298 EFLAGS: 00000046 RAX: 1ffff11017225449 RBX: 7fffffffffffffff RCX: ffff888074325940 RDX: 0000000000010100 RSI: 00000043583ef130 RDI: 00000043583ebd7a RBP: ffff8880b912a270 R08: ffffffff816f66a9 R09: ffff88807d0b0d58 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 R13: ffff8880b912a200 R14: dffffc0000000000 R15: ffff8880b912a5e8 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f221f462f40 CR3: 0000000073754000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:wiphy_to_rdev net/wireless/core.h:114 [inline] RIP: 0010:cfg80211_rx_mgmt_khz+0x4f/0x5a0 net/wireless/mlme.c:766 Code: fd 49 bc 00 00 00 00 00 fc ff df e8 7b 8f cf f7 48 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 ef e8 85 59 19 f8 48 8b 45 00 <48> 85 c0 0f 84 0d 04 00 00 48 89 44 24 18 48 8d 98 a8 00 00 00 48 RSP: 0018:ffffc90000dd0498 EFLAGS: 00000246 RAX: ffff88807b4805c0 RBX: ffffc90000dd0aa8 RCX: ffff888074325940 RDX: 0000000000000100 RSI: 000000000024cde0 RDI: ffff888060898c90 RBP: ffff888060898c90 R08: 000000000000004c R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888060898c90 R14: ffff888022fcd050 R15: 1ffff920001ba155 ieee80211_rx_h_userspace_mgmt+0x240/0x370 net/mac80211/rx.c:3615 ieee80211_rx_handlers+0x60ad/0x91c0 net/mac80211/rx.c:3955 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3989 [inline] ieee80211_prepare_and_rx_handle+0x2b76/0x51e0 net/mac80211/rx.c:4699 __ieee80211_rx_handle_packet net/mac80211/rx.c:4859 [inline] ieee80211_rx_list+0x1dac/0x2a60 net/mac80211/rx.c:4982 ieee80211_rx_napi+0x15f/0x380 net/mac80211/rx.c:5005 ieee80211_rx include/net/mac80211.h:4571 [inline] ieee80211_handle_queued_frames+0x103/0x1b0 net/mac80211/main.c:235 tasklet_action_common+0x3cb/0x4a0 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:PagePoisoned include/linux/page-flags.h:218 [inline] RIP: 0010:PageSlab include/linux/page-flags.h:356 [inline] RIP: 0010:__page_memcg+0x69/0x160 include/linux/memcontrol.h:406 Code: 7c 2d 00 00 74 08 4c 89 e7 e8 63 94 fa ff 49 8b 1c 24 f6 c3 01 0f 85 9a 00 00 00 4c 89 f3 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 3d 94 fa ff 4c 8b 2b 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc900032b73c0 EFLAGS: 00000246 RAX: 1ffffd40001121b8 RBX: ffffea0000890dc0 RCX: ffff888074325940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0000890df8 RBP: 1ffffd40001121b9 R08: ffffffff81bd5421 R09: fffff940001121b9 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000890dc8 R13: dffffc0000000000 R14: ffffea0000890dc0 R15: 0000000000000000 page_memcg include/linux/memcontrol.h:459 [inline] unlock_page_memcg+0x67/0xb0 mm/memcontrol.c:2101 zap_pte_range mm/memory.c:1373 [inline] zap_pmd_range mm/memory.c:1494 [inline] zap_pud_range mm/memory.c:1523 [inline] zap_p4d_range mm/memory.c:1544 [inline] unmap_page_range+0xffa/0x2630 mm/memory.c:1565 unmap_vmas+0x1f8/0x390 mm/memory.c:1642 exit_mmap+0x3b6/0x670 mm/mmap.c:3186 __mmput+0x112/0x3b0 kernel/fork.c:1126 exit_mm+0x688/0x7f0 kernel/exit.c:550 do_exit+0x626/0x2480 kernel/exit.c:861 do_group_exit+0x144/0x310 kernel/exit.c:996 get_signal+0xc66/0x14e0 kernel/signal.c:2897 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7ff314a12ef9 Code: Unable to access opcode bytes at RIP 0x7ff314a12ecf. RSP: 002b:00007ff312e8b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: 0000000000000004 RBX: 00007ff314bcaf80 RCX: 00007ff314a12ef9 RDX: 0000000000000000 RSI: 0200000000000001 RDI: 0000000000000002 RBP: 00007ff314a85b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ff314bcaf80 R15: 00007ffcb2a38338