kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 15916 Comm: syz-executor.0 Not tainted 5.2.0-rc5+ #62 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:find_matching_se kernel/sched/fair.c:417 [inline] RIP: 0010:check_preempt_wakeup+0x317/0x890 kernel/sched/fair.c:6937 Code: 00 00 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 50 03 00 00 49 8d bc 24 58 01 00 00 48 8b 9b 50 01 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 39 03 00 00 48 8d bb 58 01 00 00 4d 8b 84 24 RSP: 0018:ffff88805f127c48 EFLAGS: 00010006 RAX: 00000014eb6663e1 RBX: ffff8880a0b65540 RCX: ffff8880a0b657c0 RDX: 0000000000000002 RSI: dffffc0000000000 RDI: 000000a75b331f0a RBP: ffff88805f127c90 R08: ffff8880a9902840 R09: 1ffff1100d15a059 R10: ffff8880a0b65580 R11: ffff8880a0b656d0 R12: 000000a75b331db2 R13: ffff8880a9902440 R14: ffff8880ae9354c0 R15: dffffc0000000000 FS: 0000555556a11940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd05ea60db8 CR3: 000000009568d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_preempt_curr+0x1e1/0x390 kernel/sched/core.c:894 wake_up_new_task+0x53d/0xbc0 kernel/sched/core.c:2413 _do_fork+0x357/0xfe0 kernel/fork.c:2394 __do_sys_clone kernel/fork.c:2476 [inline] __se_sys_clone kernel/fork.c:2470 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2470 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45bee9 Code: ff 48 85 f6 0f 84 27 8e fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c fe 8d fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 RSP: 002b:00007ffcb812c208 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fd05ea61700 RCX: 000000000045bee9 RDX: 00007fd05ea619d0 RSI: 00007fd05ea60db0 RDI: 00000000003d0f00 RBP: 00007ffcb812c420 R08: 00007fd05ea61700 R09: 00007fd05ea61700 R10: 00007fd05ea619d0 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffcb812c2bf R14: 00007fd05ea619c0 R15: 000000000075bfd4 Modules linked in: ---[ end trace 8f554c4d5f32c929 ]--- RIP: 0010:find_matching_se kernel/sched/fair.c:417 [inline] RIP: 0010:check_preempt_wakeup+0x317/0x890 kernel/sched/fair.c:6937 Code: 00 00 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 50 03 00 00 49 8d bc 24 58 01 00 00 48 8b 9b 50 01 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 39 03 00 00 48 8d bb 58 01 00 00 4d 8b 84 24 RSP: 0018:ffff88805f127c48 EFLAGS: 00010006 RAX: 00000014eb6663e1 RBX: ffff8880a0b65540 RCX: ffff8880a0b657c0 RDX: 0000000000000002 RSI: dffffc0000000000 RDI: 000000a75b331f0a RBP: ffff88805f127c90 R08: ffff8880a9902840 R09: 1ffff1100d15a059 R10: ffff8880a0b65580 R11: ffff8880a0b656d0 R12: 000000a75b331db2 R13: ffff8880a9902440 R14: ffff8880ae9354c0 R15: dffffc0000000000 FS: 0000555556a11940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd05ea60db8 CR3: 000000009568d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400