device lo left promiscuous mode sctp: [Deprecated]: syz-executor6 (pid 5766) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead kasan: CONFIG_KASAN_INLINE enabled ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5745 at kernel/futex.c:818 get_pi_state+0x15b/0x190 kernel/futex.c:818 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 5745 Comm: syz-executor1 Not tainted 4.13.0-next-20170912+ #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:181 __warn+0x1c4/0x1d9 kernel/panic.c:542 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:261 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905 RIP: 0010:get_pi_state+0x15b/0x190 kernel/futex.c:818 RSP: 0018:ffff8801d3127088 EFLAGS: 00010297 RAX: ffff8801d3422480 RBX: 0000000000000000 RCX: 1ffff1003a624e16 RDX: 0000000000000000 RSI: 1ffff1003a6845a7 RDI: ffff8801d89b7540 RBP: ffff8801d3127118 R08: ffff8801d3423730 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003a624e12 R13: ffff8801d89b7540 R14: 1ffff1003a624e16 R15: ffff8801d89b7600 exit_pi_state_list+0x543/0x780 kernel/futex.c:927 mm_release+0x46d/0x590 kernel/fork.c:1126 exit_mm kernel/exit.c:499 [inline] do_exit+0x481/0x1b40 kernel/exit.c:852 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x7e8/0x17e0 kernel/signal.c:2334 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:158 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath+0x42f/0x500 arch/x86/entry/common.c:266 entry_SYSCALL_64_fastpath+0xbc/0xbe RIP: 0033:0x451e59 RSP: 002b:00007f8bc0979c08 EFLAGS: 00000216 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00000000007180b0 RCX: 0000000000451e59 RDX: 0000000000000004 RSI: 000080000000000b RDI: 000000002000cffc RBP: 00000000000008f0 R08: 0000000020048000 R09: 0000000000020000 R10: 0000000020edfff0 R11: 0000000000000216 R12: 00000000004b7593 R13: 00000000ffffffff R14: 000000002000cffc R15: 000080000000000b kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 5733 Comm: syz-executor1 Not tainted 4.13.0-next-20170912+ #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d2d2a140 task.stack: ffff8801c1600000 RIP: 0010:cross_lock kernel/locking/lockdep.c:4796 [inline] RIP: 0010:lock_release_crosslock kernel/locking/lockdep.c:5111 [inline] RIP: 0010:__lock_release kernel/locking/lockdep.c:3751 [inline] RIP: 0010:lock_release+0x233/0xd70 kernel/locking/lockdep.c:4021 RSP: 0018:ffff8801c1606e20 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 1ffff100382c0dc9 RCX: 1ffff1003b136ea9 RDX: 0000000000000101 RSI: 0000000000000001 RDI: 0000000000000808 RBP: ffff8801c1606fd0 R08: 1ffff1003b136ea9 R09: ffff8801c1606940 R10: ffff8801d2d2a140 R11: 1ffff1003a5a56bb R12: ffff8801c1606ea8 R13: ffff8801c1606fa8 R14: 00000000000007e8 R15: ffffffff85cc1020 FS: 00007f8bc099b700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001aabcd8 CR3: 00000001d8648000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020001000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:166 [inline] _raw_spin_unlock_irq+0x1a/0x70 kernel/locking/spinlock.c:199 put_pi_state+0x252/0x520 kernel/futex.c:842 exit_pi_state_list+0x55c/0x780 kernel/futex.c:931 mm_release+0x46d/0x590 kernel/fork.c:1126 exit_mm kernel/exit.c:499 [inline] do_exit+0x481/0x1b40 kernel/exit.c:852 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x7e8/0x17e0 kernel/signal.c:2334 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:158 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath+0x42f/0x500 arch/x86/entry/common.c:266 entry_SYSCALL_64_fastpath+0xbc/0xbe RIP: 0033:0x451e59 RSP: 002b:00007f8bc099acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 0000000000718028 RCX: 0000000000451e59 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000718028 RBP: 0000000000718000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007f8bc099b9c0 R15: 0000000000000000 Code: 09 00 00 8b 05 4f 0b 77 04 85 c0 0f 84 ee 03 00 00 4d 85 f6 74 32 49 8d 7e 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 0c 0b 00 00 45 8b 5e 20 45 RIP: cross_lock kernel/locking/lockdep.c:4796 [inline] RSP: ffff8801c1606e20 RIP: lock_release_crosslock kernel/locking/lockdep.c:5111 [inline] RSP: ffff8801c1606e20 RIP: __lock_release kernel/locking/lockdep.c:3751 [inline] RSP: ffff8801c1606e20 RIP: lock_release+0x233/0xd70 kernel/locking/lockdep.c:4021 RSP: ffff8801c1606e20 ---[ end trace 2dca51a07615eb8d ]--- Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..