Extracting prog: 4m34.659124426s Minimizing prog: 1h34m30.029955715s Simplifying prog options: 0s Extracting C: 4m7.196465716s Simplifying C: 50m36.164640461s extracting reproducer from 58 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-openat$cgroup_ro-perf_event_open-bpf$PROG_LOAD-socket$kcm-setsockopt$sock_attach_bpf-ioctl$PERF_EVENT_IOC_SET_BPF-close-perf_event_open-socketpair$tipc-sendmsg$tipc-perf_event_open-perf_event_open-bpf$LINK_GET_FD_BY_ID-socket$kcm-setsockopt$sock_attach_bpf-gettid-ioctl$PERF_EVENT_IOC_SET_FILTER detailed listing: executing program 0: perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0) r1 = perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0xe1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x5, 0x3, &(0x7f0000000140)=ANY=[@ANYBLOB="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"/1952], &(0x7f0000000000)='GPL\x00', 0x5, 0x252, &(0x7f000000cf3d)=""/195}, 0x48) r3 = socket$kcm(0x2, 0x200000000000001, 0x106) setsockopt$sock_attach_bpf(r3, 0x0, 0xf, 0x0, 0x0) ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, r2) close(r0) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1a, 0x1, 0x0, 0x0, 0x0, 0x1, 0x3e62c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_bp={0x0, 0x4}, 0x8893, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$tipc(0x1e, 0x1, 0x0, 0x0) sendmsg$tipc(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, 0x0}, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2}, 0x8a60, 0x0, 0x0, 0x5, 0xbab8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000540)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5c35, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0xffff, 0x81}, 0x100c, 0x0, 0x0, 0x9, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$LINK_GET_FD_BY_ID(0x1e, 0x0, 0x0) socket$kcm(0x1e, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x10f, 0x8a, &(0x7f0000000040)=r0, 0x4) gettid() ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x5452, &(0x7f0000000400)='lo\x00\x96o\xd6Q\xb4Y\xa9\xc87,%\x81\xfe\x00\xd2\xd1|\x00\x00\x00\x00\x00\x00\xe3\xd8Yk\xdf\x85\xaac{\x8c\x8ffp`-\xcd\xd9\xd5\xf4\xe68\xe6O\xc2\xf1V0\x8b\t\xed\x13q2\xdd\xcc\xeeR\xf2/\xba\fE>k\a\xe7>t7\x8e(\xf0\x87d\xaf\x93\xfa`\xa6,o\x81.\x1cR\xa5\t\x00\x00\x00\x00\x00\x00\x00|pT\x15\xbc\f*d\xcb\xc2\xcd\x8f\x98\xdf\x00\x00\x1cM\x9c\xa5\xe0\xa8\x00\x00\x00\x80V\xf6\x80\x86\x1b\x05\xe6\"\x1d\f\xaey\x06\xd9$H!w\xa6m\xd8\x7f\xc6\x837\x83/\x9a\xdf\x01\xf2\x9e\xbb\xca\x04\x00\x05\xeb\xb8{7[\xf9\xe9\x15\xdc0]\x89\x9b~\x04\xb4\xa5\xad\v.\xd0*%`\xb0\x03\x00\x00\x00\x00\x00\x00\x00\xab\xf4\xa7\x83r\xa4\x80|\x03C\x9c\x00\xac\xba\xcb\xa4h\x86w_Eu\xbfy%,\xe5\n\xc1\xb3\xa4g\xa3P\x0f\x11\x93\xc7\xf3\xcf\x17\xf5\x86%\x7f\xec\xb2\xc5E\x00\xb2e\xa8\xf1<\xb2\xc82\xbf=o\x00\x00\x00\x00E\x00\xc6X\x92\x0e[\x19\xaa?\x06\xe5\x9d\xd1\x87\x922A\x95\x8e\xbc\xc8state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561 schedule+0xb9/0x180 kernel/sched/core.c:6637 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1965 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706 rcu_gp_kthread+0x95/0x380 kernel/rcu/tree.c:1905 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4581 Comm: syz.3.49 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__kasan_check_read+0x6/0x10 mm/kasan/shadow.c:31 Code: 41 5f 5d c3 48 c7 c7 33 73 5a 8c eb 0a 48 c7 c7 cc bc 43 8c 48 89 de e8 38 48 3b 08 31 ed eb d7 00 00 cc cc 89 f6 48 8b 0c 24 <31> d2 e9 a3 ec ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9 RSP: 0018:ffffc90000006a98 EFLAGS: 00000002 RAX: 0000000000000008 RBX: ffff88802a0bd940 RCX: ffffffff8163aab4 RDX: 0000000000000008 RSI: 0000000000000008 RDI: ffffffff90ae1248 RBP: 0000000000000009 R08: dffffc0000000000 R09: fffffbfff215c24a R10: fffffbfff215c24a R11: 1ffffffff215c249 R12: 0000000000000200 R13: dffffc0000000000 R14: ffff88802a0be4c0 R15: 0000000000000048 FS: 00007f07724d36c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07715f8958 CR3: 000000005c860000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] hlock_class kernel/locking/lockdep.c:228 [inline] mark_lock+0x94/0x320 kernel/locking/lockdep.c:4606 mark_usage kernel/locking/lockdep.c:4549 [inline] __lock_acquire+0xd6f/0x7c50 kernel/locking/lockdep.c:5003 lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662 seqcount_lockdep_reader_access+0xc6/0x1c0 include/linux/seqlock.h:102 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] timekeeping_get_ns kernel/time/timekeeping.c:388 [inline] ktime_get+0x7b/0x270 kernel/time/timekeeping.c:848 hrtimer_forward_now include/linux/hrtimer.h:509 [inline] perf_swevent_hrtimer+0x435/0x500 kernel/events/core.c:10932 __run_hrtimer kernel/time/hrtimer.c:1752 [inline] __hrtimer_run_queues+0x515/0xd60 kernel/time/hrtimer.c:1816 hrtimer_interrupt+0x3c5/0x9c0 kernel/time/hrtimer.c:1878 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline] __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:seqcount_lockdep_reader_access+0x17b/0x1c0 include/linux/seqlock.h:105 Code: 00 4d 85 e4 75 16 e8 04 8f 0f 00 eb 15 e8 fd 8e 0f 00 e8 88 01 a6 08 4d 85 e4 74 ea e8 ee 8e 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00 RSP: 0018:ffffc90000007560 EFLAGS: 00000246 RAX: ffffffff81714132 RBX: 0000000000000000 RCX: ffff88802a0bd940 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007618 R08: dffffc0000000000 R09: fffffbfff215c26a R10: fffffbfff215c26a R11: 1ffffffff215c269 R12: 0000000000000200 R13: 00000060b362f683 R14: 1ffff92000000eac R15: dffffc0000000000 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] timekeeping_get_ns kernel/time/timekeeping.c:388 [inline] ktime_get+0x7b/0x270 kernel/time/timekeeping.c:848 ktime_get_ns include/linux/timekeeping.h:154 [inline] neigh_forced_gc net/core/neighbour.c:257 [inline] neigh_alloc net/core/neighbour.c:486 [inline] ___neigh_create+0x190/0x24c0 net/core/neighbour.c:649 ip6_finish_output2+0x14f0/0x1590 net/ipv6/ip6_output.c:129 dst_output include/net/dst.h:453 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbfb/0x1510 net/ipv6/ndisc.c:513 addrconf_rs_timer+0x2b8/0x600 net/ipv6/addrconf.c:3979 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5123 Code: 0f 84 3b 01 00 00 48 85 db 0f 85 5a 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 10 e0 c8 08 e8 cb b2 2e 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 RSP: 0018:ffffc90003847458 EFLAGS: 00000282 RAX: e66cc4c18c5bca00 RBX: 0000000000000000 RCX: e66cc4c18c5bca00 RDX: dffffc0000000000 RSI: ffffffff8a8c0300 RDI: ffffffff8adefae0 RBP: ffffc900038474b0 R08: dffffc0000000000 R09: fffffbfff215c24f R10: fffffbfff215c24f R11: 1ffffffff215c24e R12: ffff88802a0bd940 R13: dffffc0000000000 R14: ffff8880305a9dc0 R15: ffff8880b8e3b550 context_switch kernel/sched/core.c:5247 [inline] __schedule+0x10f4/0x40b0 kernel/sched/core.c:6561 preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873 irqentry_exit+0x63/0x70 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lock_is_held_type+0x13a/0x190 kernel/locking/lockdep.c:5710 Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc900038477c8 EFLAGS: 00000206 RAX: e66cc4c18c5bca00 RBX: ffff88802a0bd940 RCX: e66cc4c18c5bca00 RDX: 0000000000000000 RSI: ffffffff8a8c1480 RDI: ffffffff8adefae0 RBP: 0000000000000001 R08: ffff88802a0bd940 R09: 0000000000000003 R10: 0000000000000011 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000246 R14: ffff888030002e58 R15: ffff88802a0be420 lock_is_held include/linux/lockdep.h:283 [inline] mt_locked lib/maple_tree.c:-1 [inline] mas_root lib/maple_tree.c:858 [inline] mas_start+0x19d/0x460 lib/maple_tree.c:1399 mas_state_walk lib/maple_tree.c:3894 [inline] mas_walk+0x2f/0x180 lib/maple_tree.c:5137 mas_find+0x1db/0x230 lib/maple_tree.c:6107 vma_find include/linux/mm.h:690 [inline] vma_next include/linux/mm.h:699 [inline] acct_collect+0x172/0x730 kernel/acct.c:599 do_exit+0x845/0x2400 kernel/exit.c:850 do_group_exit+0x217/0x2d0 kernel/exit.c:1022 get_signal+0x1272/0x1350 kernel/signal.c:2871 arch_do_signal_or_restart+0xb0/0x1230 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0033:0x7ffda94b3954 Code: b8 01 00 00 00 89 f9 d3 e0 a9 83 08 00 00 0f 84 ef 00 00 00 4c 8d 35 3b b7 ff ff 41 89 fc 49 c1 e4 04 4b 8d 5c 26 20 45 8b 3e <41> f6 c7 01 75 3b 41 8b 46 04 83 f8 01 75 44 0f 01 f9 66 90 48 c1 RSP: 002b:00007f07724d3000 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 00007ffda94af0b0 RCX: 0000000000000001 RDX: 00007f077169a540 RSI: 00007f07724d30b0 RDI: 0000000000000001 RBP: 00007f07724d3040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 R13: 00007f07717b6038 R14: 00007ffda94af080 R15: 00000000000039c4 CPU: 1 PID: 4583 Comm: syz.2.50 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:seqcount_lockdep_reader_access+0x17b/0x1c0 include/linux/seqlock.h:105 Code: 00 4d 85 e4 75 16 e8 04 8f 0f 00 eb 15 e8 fd 8e 0f 00 e8 88 01 a6 08 4d 85 e4 74 ea e8 ee 8e 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00 RSP: 0018:ffffc900001e01e0 EFLAGS: 00000246 RAX: ffffffff81714132 RBX: 0000000000000000 RCX: ffff88802a0bbb80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e0298 R08: dffffc0000000000 R09: fffffbfff215c26a R10: fffffbfff215c26a R11: 1ffffffff215c269 R12: 0000000000000200 R13: 000001fb63109b96 R14: 1ffff9200003c03c R15: dffffc0000000000 FS: 00007f88a11e06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 00000000300b4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] timekeeping_get_ns kernel/time/timekeeping.c:388 [inline] ktime_get_with_offset+0xff/0x320 kernel/time/timekeeping.c:891 ktime_get_real include/linux/timekeeping.h:79 [inline] netif_rx_internal+0x398/0x560 net/core/dev.c:5023 __netif_rx+0x74/0xb0 net/core/dev.c:5066 veth_forward_skb drivers/net/veth.c:290 [inline] veth_xmit+0x650/0xb00 drivers/net/veth.c:343 __netdev_start_xmit include/linux/netdevice.h:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3670 [inline] dev_hard_start_xmit+0x262/0x870 net/core/dev.c:3686 __dev_queue_xmit+0x1bf1/0x3760 net/core/dev.c:4346 dev_queue_xmit include/linux/netdevice.h:3051 [inline] neigh_hh_output include/net/neighbour.h:529 [inline] neigh_output include/net/neighbour.h:543 [inline] ip6_finish_output2+0xd6b/0x1590 net/ipv6/ip6_output.c:138 dst_output include/net/dst.h:453 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbfb/0x1510 net/ipv6/ndisc.c:513 addrconf_rs_timer+0x2b8/0x600 net/ipv6/addrconf.c:3979 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lock_acquire+0x20f/0x490 kernel/locking/lockdep.c:5666 Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b RSP: 0018:ffffc900037b7900 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 2c9a596a6974a000 RDX: 0000000000000000 RSI: ffffffff8a8c1480 RDI: ffffffff8adefae0 RBP: ffffc900037b7a20 R08: dffffc0000000000 R09: fffffbfff215c262 R10: fffffbfff215c262 R11: 1ffffffff215c261 R12: 0000000000000001 R13: 1ffff920006f6f2c R14: 0000000000000246 R15: dffffc0000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] futex_q_lock+0x1a6/0x240 kernel/futex/core.c:542 futex_wait_setup+0xd9/0x260 kernel/futex/waitwake.c:607 futex_wait+0x16e/0x530 kernel/futex/waitwake.c:651 do_futex+0x310/0x320 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex+0x14a/0x440 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f88a038ebe9 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:00007f88a11e00e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f88a05b5fa8 RCX: 00007f88a038ebe9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f88a05b5fa8 RBP: 00007f88a05b5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f88a05b6038 R14: 00007fff1556cd80 R15: 00007fff1556ce68 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (1 GPs behind) idle=293c/1/0x4000000000000000 softirq=10609/10610 fqs=7 (t=10502 jiffies g=9189 q=1016 ncpus=2) rcu: rcu_preempt kthread starved for 10150 jiffies! g9189 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561 schedule+0xb9/0x180 kernel/sched/core.c:6637 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1965 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706 rcu_gp_kthread+0x95/0x380 kernel/rcu/tree.c:1905 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4581 Comm: syz.3.49 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__kasan_check_read+0x6/0x10 mm/kasan/shadow.c:31 Code: 41 5f 5d c3 48 c7 c7 33 73 5a 8c eb 0a 48 c7 c7 cc bc 43 8c 48 89 de e8 38 48 3b 08 31 ed eb d7 00 00 cc cc 89 f6 48 8b 0c 24 <31> d2 e9 a3 ec ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9 RSP: 0018:ffffc90000006a98 EFLAGS: 00000002 RAX: 0000000000000008 RBX: ffff88802a0bd940 RCX: ffffffff8163aab4 RDX: 0000000000000008 RSI: 0000000000000008 RDI: ffffffff90ae1248 RBP: 0000000000000009 R08: dffffc0000000000 R09: fffffbfff215c24a R10: fffffbfff215c24a R11: 1ffffffff215c249 R12: 0000000000000200 R13: dffffc0000000000 R14: ffff88802a0be4c0 R15: 0000000000000048 FS: 00007f07724d36c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07715f8958 CR3: 000000005c860000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] hlock_class kernel/locking/lockdep.c:228 [inline] mark_lock+0x94/0x320 kernel/locking/lockdep.c:4606 mark_usage kernel/locking/lockdep.c:4549 [inline] __lock_acquire+0xd6f/0x7c50 kernel/locking/lockdep.c:5003 lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662 seqcount_lockdep_reader_access+0xc6/0x1c0 include/linux/seqlock.h:102 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] timekeeping_get_ns kernel/time/timekeeping.c:388 [inline] ktime_get+0x7b/0x270 kernel/time/timekeeping.c:848 hrtimer_forward_now include/linux/hrtimer.h:509 [inline] perf_swevent_hrtimer+0x435/0x500 kernel/events/core.c:10932 __run_hrtimer kernel/time/hrtimer.c:1752 [inline] __hrtimer_run_queues+0x515/0xd60 kernel/time/hrtimer.c:1816 hrtimer_interrupt+0x3c5/0x9c0 kernel/time/hrtimer.c:1878 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline] __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:seqcount_lockdep_reader_access+0x17b/0x1c0 include/linux/seqlock.h:105 Code: 00 4d 85 e4 75 16 e8 04 8f 0f 00 eb 15 e8 fd 8e 0f 00 e8 88 01 a6 08 4d 85 e4 74 ea e8 ee 8e 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00 RSP: 0018:ffffc90000007560 EFLAGS: 00000246 RAX: ffffffff81714132 RBX: 0000000000000000 RCX: ffff88802a0bd940 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007618 R08: dffffc0000000000 R09: fffffbfff215c26a R10: fffffbfff215c26a R11: 1ffffffff215c269 R12: 0000000000000200 R13: 00000060b362f683 R14: 1ffff92000000eac R15: dffffc0000000000 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] timekeeping_get_ns kernel/time/timekeeping.c:388 [inline] ktime_get+0x7b/0x270 kernel/time/timekeeping.c:848 ktime_get_ns include/linux/timekeeping.h:154 [inline] neigh_forced_gc net/core/neighbour.c:257 [inline] neigh_alloc net/core/neighbour.c:486 [inline] ___neigh_create+0x190/0x24c0 net/core/neighbour.c:649 ip6_finish_output2+0x14f0/0x1590 net/ipv6/ip6_output.c:129 dst_output include/net/dst.h:453 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbfb/0x1510 net/ipv6/ndisc.c:513 addrconf_rs_timer+0x2b8/0x600 net/ipv6/addrconf.c:3979 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5123 Code: 0f 84 3b 01 00 00 48 85 db 0f 85 5a 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 10 e0 c8 08 e8 cb b2 2e 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 RSP: 0018:ffffc90003847458 EFLAGS: 00000282 RAX: e66cc4c18c5bca00 RBX: 0000000000000000 RCX: e66cc4c18c5bca00 RDX: dffffc0000000000 RSI: ffffffff8a8c0300 RDI: ffffffff8adefae0 RBP: ffffc900038474b0 R08: dffffc0000000000 R09: fffffbfff215c24f R10: fffffbfff215c24f R11: 1ffffffff215c24e R12: ffff88802a0bd940 R13: dffffc0000000000 R14: ffff8880305a9dc0 R15: ffff8880b8e3b550 context_switch kernel/sched/core.c:5247 [inline] __schedule+0x10f4/0x40b0 kernel/sched/core.c:6561 preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873 irqentry_exit+0x63/0x70 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lock_is_held_type+0x13a/0x190 kernel/locking/lockdep.c:5710 Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc900038477c8 EFLAGS: 00000206 RAX: e66cc4c18c5bca00 RBX: ffff88802a0bd940 RCX: e66cc4c18c5bca00 RDX: 0000000000000000 RSI: ffffffff8a8c1480 RDI: ffffffff8adefae0 RBP: 0000000000000001 R08: ffff88802a0bd940 R09: 0000000000000003 R10: 0000000000000011 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000246 R14: ffff888030002e58 R15: ffff88802a0be420 lock_is_held include/linux/lockdep.h:283 [inline] mt_locked lib/maple_tree.c:-1 [inline] mas_root lib/maple_tree.c:858 [inline] mas_start+0x19d/0x460 lib/maple_tree.c:1399 mas_state_walk lib/maple_tree.c:3894 [inline] mas_walk+0x2f/0x180 lib/maple_tree.c:5137 mas_find+0x1db/0x230 lib/maple_tree.c:6107 vma_find include/linux/mm.h:690 [inline] vma_next include/linux/mm.h:699 [inline] acct_collect+0x172/0x730 kernel/acct.c:599 do_exit+0x845/0x2400 kernel/exit.c:850 do_group_exit+0x217/0x2d0 kernel/exit.c:1022 get_signal+0x1272/0x1350 kernel/signal.c:2871 arch_do_signal_or_restart+0xb0/0x1230 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0033:0x7ffda94b3954 Code: b8 01 00 00 00 89 f9 d3 e0 a9 83 08 00 00 0f 84 ef 00 00 00 4c 8d 35 3b b7 ff ff 41 89 fc 49 c1 e4 04 4b 8d 5c 26 20 45 8b 3e <41> f6 c7 01 75 3b 41 8b 46 04 83 f8 01 75 44 0f 01 f9 66 90 48 c1 RSP: 002b:00007f07724d3000 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 00007ffda94af0b0 RCX: 0000000000000001 RDX: 00007f077169a540 RSI: 00007f07724d30b0 RDI: 0000000000000001 RBP: 00007f07724d3040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 R13: 00007f07717b6038 R14: 00007ffda94af080 R15: 00000000000039c4 CPU: 1 PID: 4583 Comm: syz.2.50 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:seqcount_lockdep_reader_access+0x17b/0x1c0 include/linux/seqlock.h:105 Code: 00 4d 85 e4 75 16 e8 04 8f 0f 00 eb 15 e8 fd 8e 0f 00 e8 88 01 a6 08 4d 85 e4 74 ea e8 ee 8e 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00 RSP: 0018:ffffc900001e01e0 EFLAGS: 00000246 RAX: ffffffff81714132 RBX: 0000000000000000 RCX: ffff88802a0bbb80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e0298 R08: dffffc0000000000 R09: fffffbfff215c26a R10: fffffbfff215c26a R11: 1ffffffff215c269 R12: 0000000000000200 R13: 000001fb63109b96 R14: 1ffff9200003c03c R15: dffffc0000000000 FS: 00007f88a11e06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 00000000300b4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] timekeeping_get_ns kernel/time/timekeeping.c:388 [inline] ktime_get_with_offset+0xff/0x320 kernel/time/timekeeping.c:891 ktime_get_real include/linux/timekeeping.h:79 [inline] netif_rx_internal+0x398/0x560 net/core/dev.c:5023 __netif_rx+0x74/0xb0 net/core/dev.c:5066 veth_forward_skb drivers/net/veth.c:290 [inline] veth_xmit+0x650/0xb00 drivers/net/veth.c:343 __netdev_start_xmit include/linux/netdevice.h:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3670 [inline] dev_hard_start_xmit+0x262/0x870 net/core/dev.c:3686 __dev_queue_xmit+0x1bf1/0x3760 net/core/dev.c:4346 dev_queue_xmit include/linux/netdevice.h:3051 [inline] neigh_hh_output include/net/neighbour.h:529 [inline] neigh_output include/net/neighbour.h:543 [inline] ip6_finish_output2+0xd6b/0x1590 net/ipv6/ip6_output.c:138 dst_output include/net/dst.h:453 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbfb/0x1510 net/ipv6/ndisc.c:513 addrconf_rs_timer+0x2b8/0x600 net/ipv6/addrconf.c:3979 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lock_acquire+0x20f/0x490 kernel/locking/lockdep.c:5666 Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b RSP: 0018:ffffc900037b7900 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 2c9a596a6974a000 RDX: 0000000000000000 RSI: ffffffff8a8c1480 RDI: ffffffff8adefae0 RBP: ffffc900037b7a20 R08: dffffc0000000000 R09: fffffbfff215c262 R10: fffffbfff215c262 R11: 1ffffffff215c261 R12: 0000000000000001 R13: 1ffff920006f6f2c R14: 0000000000000246 R15: dffffc0000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] futex_q_lock+0x1a6/0x240 kernel/futex/core.c:542 futex_wait_setup+0xd9/0x260 kernel/futex/waitwake.c:607 futex_wait+0x16e/0x530 kernel/futex/waitwake.c:651 do_futex+0x310/0x320 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex+0x14a/0x440 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f88a038ebe9 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:00007f88a11e00e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f88a05b5fa8 RCX: 00007f88a038ebe9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f88a05b5fa8 RBP: 00007f88a05b5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f88a05b6038 R14: 00007fff1556cd80 R15: 00007fff1556ce68