ci starts bisection 2023-03-03 05:50:22.506779422 +0000 UTC m=+156948.878032298 bisecting fixing commit since 98555239e4c3aab1810d84073166eef6d54eeb3d building syzkaller on 86777b7fb4a452ebbd7430a2c4add0486734922b ensuring issue is reproducible on original commit 98555239e4c3aab1810d84073166eef6d54eeb3d testing commit 98555239e4c3aab1810d84073166eef6d54eeb3d gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f577d5b6987363cf32fe7f80fa23398005968fdec3a9ab6b9641e8f32fe210c3 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #2: crashed: general protection fault in skb_queue_tail run #3: crashed: general protection fault in skb_queue_tail run #4: crashed: general protection fault in skb_queue_tail run #5: crashed: general protection fault in skb_queue_tail run #6: crashed: general protection fault in skb_queue_tail run #7: crashed: general protection fault in skb_queue_tail run #8: crashed: general protection fault in skb_queue_tail run #9: crashed: general protection fault in skb_queue_tail run #10: crashed: general protection fault in skb_queue_tail run #11: crashed: general protection fault in skb_queue_tail run #12: crashed: general protection fault in skb_queue_tail run #13: crashed: general protection fault in skb_queue_tail run #14: crashed: general protection fault in skb_queue_tail run #15: crashed: general protection fault in skb_queue_tail run #16: crashed: general protection fault in skb_queue_tail run #17: crashed: general protection fault in skb_queue_tail run #18: crashed: general protection fault in skb_queue_tail run #19: crashed: general protection fault in skb_queue_tail testing current HEAD 2eb29d59ddf02e39774abfb60b2030b0b7e27c1f testing commit 2eb29d59ddf02e39774abfb60b2030b0b7e27c1f gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e8552e15c22ad5963a4dfec14fc08e28294adde388bd5872ddc842b2d2985922 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #1: crashed: INFO: trying to register non-static key in skb_queue_tail run #2: crashed: INFO: trying to register non-static key in skb_queue_tail run #3: crashed: INFO: trying to register non-static key in skb_queue_tail run #4: crashed: INFO: trying to register non-static key in skb_queue_tail run #5: crashed: INFO: trying to register non-static key in skb_queue_tail run #6: crashed: INFO: trying to register non-static key in skb_queue_tail run #7: crashed: INFO: trying to register non-static key in skb_queue_tail run #8: crashed: INFO: trying to register non-static key in skb_queue_tail run #9: crashed: INFO: trying to register non-static key in skb_queue_tail revisions tested: 2, total time: 23m16.445297s (build: 15m47.270534471s, test: 6m50.02241847s) the crash still happens on HEAD commit msg: Merge tag 'drm-next-2023-03-03-1' of git://anongit.freedesktop.org/drm/drm crash: INFO: trying to register non-static key in skb_queue_tail INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 5468 Comm: udevd Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: dump_stack_lvl+0x167/0x220 assign_lock_key+0x222/0x230 register_lock_class+0x28e/0x990 __lock_acquire+0xd3/0x1f80 lock_acquire+0x23e/0x630 _raw_spin_lock_irqsave+0xd5/0x120 skb_queue_tail+0x30/0x120 hif_usb_regout_cb+0x101/0x130 __usb_hcd_giveback_urb+0x222/0x360 dummy_timer+0xa30/0x2de0 call_timer_fn+0x16e/0x570 __run_timers+0x59f/0x6e0 run_timer_softirq+0x4a/0xb0 __do_softirq+0x311/0xb1a __irq_exit_rcu+0x159/0x240 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x95/0xb0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:in_lock_functions+0x11/0x30 Code: 0f 8c 77 ff ff ff 48 c7 c7 40 86 11 8f e8 e7 a5 62 00 e9 66 ff ff ff 66 90 f3 0f 1e fa 48 c7 c0 20 ca 5a 89 48 39 c7 0f 93 c0 <48> c7 c1 44 fe 5a 89 48 39 cf 0f 92 c1 20 c1 0f b6 c1 c3 66 2e 0f RSP: 0018:ffffc9000452f848 EFLAGS: 00000283 RAX: ffffffff895aca00 RBX: 0000000000000001 RCX: ffffffff900cff03 RDX: dffffc0000000000 RSI: ffffffff81c217be RDI: ffffffff81352f27 RBP: 1ffff920008a5f28 R08: 0000000000000003 R09: ffffc9000452fa30 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801779ba00 R13: ffffc9000452f988 R14: ffffffff81352f27 R15: dffffc0000000000 preempt_count_add+0x93/0x180 unwind_next_frame+0xb7/0x2180 arch_stack_walk+0x111/0x140 stack_trace_save+0x117/0x1c0 kasan_set_track+0x4f/0x70 kasan_save_free_info+0x2b/0x40 ____kasan_slab_free+0xd6/0x120 kmem_cache_free+0x2be/0x590 __x64_sys_newfstatat+0x15a/0x1c0 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f41c09251da Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 69 fc 0c 00 f7 RSP: 002b:00007fffb7456488 EFLAGS: 00000202 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 00007f41c09f2380 RCX: 00007f41c09251da RDX: 00007fffb7456490 RSI: 00007f41c09bb75a RDI: 0000000000000008 RBP: 0000563a23ec9b60 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000202 R12: 0000563a23ec9b60 R13: 0000000000000000 R14: 00007fffb7456a68 R15: 0000000000003fff general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 5468 Comm: udevd Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:skb_queue_tail+0xb6/0x120 Code: f2 49 fa 4d 89 2f 49 bf 00 00 00 00 00 fc ff df 42 80 7c 3d 00 00 74 08 4c 89 f7 e8 84 f2 49 fa 49 89 1e 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 ef e8 6b f2 49 fa 49 89 5d 00 49 83 c4 RSP: 0018:ffffc900000077b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff888029eac3c0 RCX: dffffc0000000000 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900000076a0 RBP: 1ffff1100fccd713 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88807e66b890 R13: 0000000000000000 R14: ffff88807e66b898 R15: dffffc0000000000 FS: 00007f41c0caa840(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563a23eb7078 CR3: 0000000017549000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hif_usb_regout_cb+0x101/0x130 __usb_hcd_giveback_urb+0x222/0x360 dummy_timer+0xa30/0x2de0 call_timer_fn+0x16e/0x570 __run_timers+0x59f/0x6e0 run_timer_softirq+0x4a/0xb0 __do_softirq+0x311/0xb1a __irq_exit_rcu+0x159/0x240 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x95/0xb0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:in_lock_functions+0x11/0x30 Code: 0f 8c 77 ff ff ff 48 c7 c7 40 86 11 8f e8 e7 a5 62 00 e9 66 ff ff ff 66 90 f3 0f 1e fa 48 c7 c0 20 ca 5a 89 48 39 c7 0f 93 c0 <48> c7 c1 44 fe 5a 89 48 39 cf 0f 92 c1 20 c1 0f b6 c1 c3 66 2e 0f RSP: 0018:ffffc9000452f848 EFLAGS: 00000283 RAX: ffffffff895aca00 RBX: 0000000000000001 RCX: ffffffff900cff03 RDX: dffffc0000000000 RSI: ffffffff81c217be RDI: ffffffff81352f27 RBP: 1ffff920008a5f28 R08: 0000000000000003 R09: ffffc9000452fa30 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801779ba00 R13: ffffc9000452f988 R14: ffffffff81352f27 R15: dffffc0000000000 preempt_count_add+0x93/0x180 unwind_next_frame+0xb7/0x2180 arch_stack_walk+0x111/0x140 stack_trace_save+0x117/0x1c0 kasan_set_track+0x4f/0x70 kasan_save_free_info+0x2b/0x40 ____kasan_slab_free+0xd6/0x120 kmem_cache_free+0x2be/0x590 __x64_sys_newfstatat+0x15a/0x1c0 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f41c09251da Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 69 fc 0c 00 f7 RSP: 002b:00007fffb7456488 EFLAGS: 00000202 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 00007f41c09f2380 RCX: 00007f41c09251da RDX: 00007fffb7456490 RSI: 00007f41c09bb75a RDI: 0000000000000008 RBP: 0000563a23ec9b60 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000202 R12: 0000563a23ec9b60 R13: 0000000000000000 R14: 00007fffb7456a68 R15: 0000000000003fff Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:skb_queue_tail+0xb6/0x120 Code: f2 49 fa 4d 89 2f 49 bf 00 00 00 00 00 fc ff df 42 80 7c 3d 00 00 74 08 4c 89 f7 e8 84 f2 49 fa 49 89 1e 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 ef e8 6b f2 49 fa 49 89 5d 00 49 83 c4 RSP: 0018:ffffc900000077b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff888029eac3c0 RCX: dffffc0000000000 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900000076a0 RBP: 1ffff1100fccd713 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88807e66b890 R13: 0000000000000000 R14: ffff88807e66b898 R15: dffffc0000000000 FS: 00007f41c0caa840(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563a23eb7078 CR3: 0000000017549000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f 8c 77 ff ff ff jl 0xffffff7d 6: 48 c7 c7 40 86 11 8f mov $0xffffffff8f118640,%rdi d: e8 e7 a5 62 00 callq 0x62a5f9 12: e9 66 ff ff ff jmpq 0xffffff7d 17: 66 90 xchg %ax,%ax 19: f3 0f 1e fa endbr64 1d: 48 c7 c0 20 ca 5a 89 mov $0xffffffff895aca20,%rax 24: 48 39 c7 cmp %rax,%rdi 27: 0f 93 c0 setae %al * 2a: 48 c7 c1 44 fe 5a 89 mov $0xffffffff895afe44,%rcx <-- trapping instruction 31: 48 39 cf cmp %rcx,%rdi 34: 0f 92 c1 setb %cl 37: 20 c1 and %al,%cl 39: 0f b6 c1 movzbl %cl,%eax 3c: c3 retq 3d: 66 data16 3e: 2e cs 3f: 0f .byte 0xf