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================================ WARNING: inconsistent lock state 4.15.0+ #286 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syzkaller251750/4166 [HC0[0]:SC1[1]:HE1:SE0] takes: (&(&est->lock)->rlock){+.?.}, at: [<000000005b75c54a>] spin_lock include/linux/spinlock.h:310 [inline] (&(&est->lock)->rlock){+.?.}, at: [<000000005b75c54a>] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3915 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:310 [inline] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 gen_new_estimator+0x317/0x770 net/core/gen_estimator.c:162 xt_rateest_tg_checkentry+0x487/0xaa0 net/netfilter/xt_RATEEST.c:135 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv6/netfilter/ip6_tables.c:538 [inline] find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:580 translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:749 do_replace net/ipv6/netfilter/ip6_tables.c:1167 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1693 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1452 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1831 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1810 entry_SYSCALL_64_fastpath+0x29/0xa0 irq event stamp: 962320 hardirqs last enabled at (962320): [<000000003e09f3d7>] restore_regs_and_return_to_kernel+0x0/0x21 hardirqs last disabled at (962319): [<0000000044413704>] common_interrupt+0xa4/0xa9 arch/x86/entry/entry_64.S:713 softirqs last enabled at (962180): [<00000000570e89a0>] __do_softirq+0x7a0/0xb85 kernel/softirq.c:311 softirqs last disabled at (962315): [<000000002873810e>] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (962315): [<000000002873810e>] irq_exit+0x1cc/0x200 kernel/softirq.c:405 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&est->lock)->rlock); <Interrupt> lock(&(&est->lock)->rlock); *** DEADLOCK *** 1 lock held by syzkaller251750/4166: #0: ((&est->timer)){+.-.}, at: [<00000000187a55db>] lockdep_copy_map include/linux/lockdep.h:178 [inline] #0: ((&est->timer)){+.-.}, at: [<00000000187a55db>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1316 stack backtrace: CPU: 0 PID: 4166 Comm: syzkaller251750 Not tainted 4.15.0+ #286 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 print_usage_bug+0x377/0x38c kernel/locking/lockdep.c:2538 valid_state kernel/locking/lockdep.c:2551 [inline] mark_lock_irq kernel/locking/lockdep.c:2745 [inline] mark_lock+0xf61/0x1430 kernel/locking/lockdep.c:3143 mark_irqflags kernel/locking/lockdep.c:3021 [inline] __lock_acquire+0x173a/0x3e00 kernel/locking/lockdep.c:3384 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3915 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:310 [inline] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 est_timer+0x97/0x7c0 net/core/gen_estimator.c:85 call_timer_fn+0x228/0x820 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7ee/0xb70 kernel/time/timer.c:1666 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:541 [inline] smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:938 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:kmem_cache_free+0x17c/0x2a0 mm/slab.c:3747 RSP: 0018:ffff8801b60afa48 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11 RAX: 0000000000000007 RBX: ffff8801b2954b40 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000282 RBP: ffff8801b60afa68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d1f0d900 R13: 0000000000000282 R14: ffffffff82223349 R15: ffff8801b60afc18 ebitmap_destroy+0x79/0xe0 security/selinux/ss/ebitmap.c:338 mls_context_destroy security/selinux/ss/context.h:109 [inline] context_destroy security/selinux/ss/context.h:148 [inline] security_compute_sid+0xa46/0x18f0 security/selinux/ss/services.c:1742 security_transition_sid+0x75/0x90 security/selinux/ss/services.c:1763 socket_sockcreate_sid security/selinux/hooks.c:4335 [inline] selinux_socket_post_create+0x586/0x970 security/selinux/hooks.c:4386 security_socket_post_create+0x8b/0xc0 security/security.c:1344 __sock_create+0x6a4/0x850 net/socket.c:1283 sock_create net/socket.c:1307 [inline] SYSC_socket net/socket.c:1337 [inline] SyS_socket+0xeb/0x1d0 net/socket.c:1317 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x441049 RSP: 002b:00007ffe2d63b418 EFLAGS: 00000217 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441049 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a RBP: 31affa775212f497 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000217 R12: f3023f5f5df3bc21 R13: f6fcce9cd855ec40 R14: fbfe5b6031634428 R15: 0000000000000000
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/01/30 05:42 | upstream | 6304672b7f0a | 08d47756 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/30 04:37 | upstream | d8a5b80568a9 | 08d47756 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/29 20:27 | upstream | d8a5b80568a9 | 08d47756 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/28 10:47 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/28 08:05 | upstream | c4e0ca7fa241 | 08146b1a | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/27 18:04 | upstream | c4e0ca7fa241 | 08146b1a | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/27 17:42 | upstream | c4e0ca7fa241 | 08146b1a | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/27 16:42 | upstream | c4e0ca7fa241 | 08146b1a | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/01/30 05:22 | net-next-old | 3e3ab9ccca5b | 08d47756 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/01/29 19:48 | net-next-old | 3e3ab9ccca5b | 08d47756 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/01/28 14:02 | net-next-old | 6bb46bc57c8e | 08d47756 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/01/28 11:50 | net-next-old | 6bb46bc57c8e | 08d47756 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/01/28 02:26 | net-next-old | 6bb46bc57c8e | 08146b1a | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/01/28 01:57 | net-next-old | 6bb46bc57c8e | 08146b1a | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/01/27 16:40 | net-next-old | 6bb46bc57c8e | 08146b1a | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/01/28 09:57 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:54 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:54 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:53 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:51 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:51 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:48 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:46 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:45 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:44 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:42 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:42 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:41 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:39 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:38 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:38 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:37 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:35 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:30 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:30 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:27 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:26 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:24 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:17 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:13 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:12 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:11 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:07 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 09:05 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:58 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:58 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:56 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:54 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:38 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:35 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:34 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:34 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:34 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:33 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 08:31 | upstream | c4e0ca7fa241 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce |