BUG: soft lockup in raw_ioctl

Status: auto-obsoleted due to no activity on 2024/10/01 04:08
Reported-by: syzbot+64f014c4d492cf900c13@syzkaller.appspotmail.com
First crash: 831d, last: 733d
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: soft lockup in raw_ioctl serial kvm net 1 3 1241d 1345d 0/29 auto-obsoleted due to no activity on 2023/05/31 06:54
upstream INFO: rcu detected stall in raw_ioctl usb 1 C 49 752d 998d 26/29 fixed on 2024/07/09 19:14
upstream INFO: rcu detected stall in raw_ioctl (2) mm usb 1 26 338d 745d 0/29 auto-obsoleted due to no activity on 2025/11/19 12:30
upstream INFO: rcu detected stall in raw_ioctl (3) usb 1 3 161d 230d 0/29 auto-obsoleted due to no activity on 2026/05/15 09:41

Sample crash report:
RBP: 00007fdafa22aff0 R08: 0000000000000010 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdafa229fc0 R14: 00000000200000c0 R15: 00007fdafb265320
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz.4.14:370]
Modules linked in:
CPU: 1 PID: 370 Comm: syz.4.14 Not tainted 5.15.151-syzkaller-00415-gdb06c48ab67e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 2b 02 f3 03 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc90000c073a0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff92000180e78 RCX: ffffffff8154fbdf
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810badb708
RBP: ffffc90000c07450 R08: dffffc0000000000 R09: ffffed102175b6e2
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810badb708 R14: 0000000000000003 R15: 1ffff92000180e7c
FS:  00007fdafa22c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdafa22aff0 CR3: 000000010e110000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x6dc
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
 bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x1f3/0x220 mm/slub.c:4569
 sk_psock_free_link include/linux/skmsg.h:420 [inline]
 sock_map_del_link net/core/sock_map.c:160 [inline]
 sock_map_unref+0x352/0x4d0 net/core/sock_map.c:182
 sock_hash_delete_elem+0x274/0x2f0 net/core/sock_map.c:941
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x6dc
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
 bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x1f3/0x220 mm/slub.c:4569
 ida_alloc_range+0x987/0xa80 lib/idr.c:460
 ida_alloc include/linux/idr.h:275 [inline]
 raw_ioctl_init drivers/usb/gadget/legacy/raw_gadget.c:458 [inline]
 raw_ioctl+0x1a38/0x3510 drivers/usb/gadget/legacy/raw_gadget.c:1252
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0x114/0x190 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fdafafaa75b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fdafa229f20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdafafaa75b
RDX: 00007fdafa22aff0 RSI: 0000000041015500 RDI: 0000000000000007
RBP: 00007fdafa22aff0 R08: 0000000000000010 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdafa229fc0 R14: 00000000200000c0 R15: 00007fdafb265320
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 355 Comm: udevd Not tainted 5.15.151-syzkaller-00415-gdb06c48ab67e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 2b 02 f3 03 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc90000007120 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 1ffff92000000e28 RCX: 1ffffffff0d1aa9c
RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7038ad4
RBP: ffffc900000071d0 R08: dffffc0000000000 R09: ffffed103ee0715b
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881f7038ad4 R14: 0000000000000001 R15: 1ffff92000000e2c
FS:  00007fd41fe53c80(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9f2db21000 CR3: 000000010e0f8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_node kernel/locking/qspinlock_paravirt.h:325 [inline]
 __pv_queued_spin_lock_slowpath+0x41b/0xc40 kernel/locking/qspinlock.c:473
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x6dc
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
 bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x1f3/0x220 mm/slub.c:4569
 skb_free_head net/core/skbuff.c:656 [inline]
 skb_release_data+0x8a9/0xa80 net/core/skbuff.c:678
 skb_release_all net/core/skbuff.c:743 [inline]
 __kfree_skb net/core/skbuff.c:757 [inline]
 kfree_skb_reason net/core/skbuff.c:778 [inline]
 kfree_skb+0xba/0x360 net/core/skbuff.c:792
 neigh_connected_output+0x427/0x450 net/core/neighbour.c:1536
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0xf95/0x16e0 net/ipv6/ip6_output.c:126
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3977
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1427
 expire_timers kernel/time/timer.c:1472 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1743
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1756
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:update_stack_state+0x38a/0x460 arch/x86/kernel/unwind_frame.c:242
Code: 89 df e8 49 94 7d 00 48 8b 45 c0 48 c7 03 00 00 00 00 48 83 c0 08 48 89 c3 eb 08 48 8b 5d 88 48 83 eb 80 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 77 93 7d 00 65 48 8b 05 7f 8f cd
RSP: 0018:ffffc90000c17070 EFLAGS: 00000a02
RAX: 1ffff92000182e3d RBX: ffffc90000c174d8 RCX: 1ffff92000182e43
RDX: 1ffff92000182e3a RSI: ffffc90000c174d0 RDI: ffffc90000c17218
RBP: ffffc90000c17128 R08: ffffc90000c172a8 R09: 0000000000000000
R10: ffffc90000c172b0 R11: dffffc0000000001 R12: 1ffff92000182e40
R13: 0000000000000000 R14: ffffc90000c171e8 R15: dffffc0000000000
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:139
 __reset_page_owner+0x36/0x190 mm/page_owner.c:156
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1471 [inline]
 free_pcp_prepare mm/page_alloc.c:1543 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3533
 free_unref_page_list+0x14b/0xa60 mm/page_alloc.c:3670
 release_pages+0x1310/0x1370 mm/swap.c:1009
 __pagevec_release+0x84/0x100 mm/swap.c:1029
 pagevec_release include/linux/pagevec.h:81 [inline]
 shmem_undo_range+0x604/0x1560 mm/shmem.c:965
 shmem_truncate_range mm/shmem.c:1064 [inline]
 shmem_evict_inode+0x215/0x9d0 mm/shmem.c:1146
 evict+0x2a3/0x630 fs/inode.c:587
 iput_final fs/inode.c:1705 [inline]
 iput+0x63b/0x7e0 fs/inode.c:1731
 dentry_unlink_inode+0x34f/0x440 fs/dcache.c:376
 __dentry_kill+0x447/0x660 fs/dcache.c:582
 dentry_kill+0xc0/0x2a0
 dput+0x45/0x80 fs/dcache.c:889
 __fput+0x662/0x910 fs/file_table.c:288
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd41ff7f0a8
Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffead170df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00007fd41fe53ae0 RCX: 00007fd41ff7f0a8
RDX: 00005589ca590703 RSI: 00007ffead1705f8 RDI: 0000000000000008
RBP: 0000558c928ffd50 R08: 0000000000000006 R09: e676c7ef355d1807
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000002
R13: 0000558c928f4e10 R14: 0000000000000008 R15: 0000558c928cb2c0
 </TASK>

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/07/22 03:04 android13-5.15-lts db06c48ab67e b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/07/22 02:31 android13-5.15-lts db06c48ab67e b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/07/13 21:01 android13-5.15-lts db06c48ab67e eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/07/13 20:56 android13-5.15-lts db06c48ab67e eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/07/13 20:52 android13-5.15-lts db06c48ab67e eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/07/04 18:25 android13-5.15-lts 9044d25b8ff5 3f2748a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/06/30 19:37 android13-5.15-lts 9044d25b8ff5 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/06/19 06:51 android13-5.15-lts 85445b5a2107 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/06/19 06:47 android13-5.15-lts 85445b5a2107 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/06/02 15:01 android13-5.15-lts 424f92bcbe8f 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/05/25 18:04 android13-5.15-lts 424f92bcbe8f a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/05/16 03:27 android13-5.15-lts 5d96939590c0 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/05/13 07:41 android13-5.15-lts 5d96939590c0 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/05/05 15:28 android13-5.15-lts 5d96939590c0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/05/01 21:57 android13-5.15-lts 5d96939590c0 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/04/26 00:09 android13-5.15-lts 5d96939590c0 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/04/23 20:36 android13-5.15-lts ad06eaf051cd 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/04/19 08:04 android13-5.15-lts ad06eaf051cd af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/04/17 03:14 android13-5.15-lts ad06eaf051cd 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
2024/04/15 10:07 android13-5.15-lts 993bed180178 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in raw_ioctl
* Struck through repros no longer work on HEAD.