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rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...0: (1 GPs behind) idle=61b/1/0x4000000000000000 softirq=45806/45807 fqs=2100 (detected by 0, t=10505 jiffies, g=56641, q=228) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10174 Comm: syz.1.1091 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:check_region_inline mm/kasan/generic.c:172 [inline] RIP: 0010:kasan_check_range+0x11/0x290 mm/kasan/generic.c:189 Code: ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 41 56 53 b0 01 48 85 f6 0f 84 9a 01 00 00 <48> 89 fd 48 01 f5 0f 82 59 02 00 00 48 89 fd 48 c1 ed 2f 81 fd ff RSP: 0018:ffffc90000dd0a38 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000a2a RCX: ffffffff8162c589 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90712200 RBP: 980f55c923741255 R08: dffffc0000000000 R09: fffffbfff20e242d R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffff88801ad90ae8 R14: ffff88801ad90000 R15: ffff88801ad90b38 FS: 00007f601e37c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31610ff8 CR3: 0000000062932000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <IRQ> instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] hlock_class kernel/locking/lockdep.c:197 [inline] __lock_acquire+0x1209/0x1ff0 kernel/locking/lockdep.c:5009 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] advance_sched+0x47/0x940 net/sched/sch_taprio.c:716 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 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+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x26d/0x290 mm/kasan/generic.c:189 Code: 29 06 4c 89 cd 4d 85 c9 0f 84 5a ff ff ff 4c 8d 4c 3e ff 4c 89 cb 48 c1 eb 03 4c 01 c3 48 39 dd 75 11 41 83 e1 07 48 0f be 2b <49> 39 e9 0f 8c 35 ff ff ff 0f b6 d2 e8 42 f3 ff ff 34 01 e9 26 ff RSP: 0018:ffffc90002ea7638 EFLAGS: 00000206 RAX: 0000000000000001 RBX: fffff520005d4ed8 RCX: ffffffff8164233a RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002ea76c0 RBP: 0000000000000004 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88803ab8d670 R13: 1ffff920005d4ed8 R14: fffff520005d4ed9 R15: 1ffff11007571acf instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:512 [inline] queued_spin_lock include/asm-generic/qspinlock.h:82 [inline] do_raw_spin_lock+0x14a/0x370 kernel/locking/spinlock_debug.c:115 spin_lock include/linux/spinlock.h:363 [inline] unix_dgram_sendmsg+0xd64/0x2090 net/unix/af_unix.c:1836 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2485 __sys_sendmmsg+0x2bf/0x560 net/socket.c:2571 __do_sys_sendmmsg net/socket.c:2600 [inline] __se_sys_sendmmsg net/socket.c:2597 [inline] __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2597 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: 0033:0x7f601ff03ef9 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:00007f601e37c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f60200bbf80 RCX: 00007f601ff03ef9 RDX: 0000000000000318 RSI: 00000000200bd000 RDI: 0000000000000006 RBP: 00007f601ff76b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f60200bbf80 R15: 00007ffe0cdb22e8 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/24 23:49 | linux-5.15.y | 3a5928702e71 | 5643e0e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: rcu detected stall in sys_sendmmsg |