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kernel panic: Machine halted. (2)

Status: closed as invalid on 2019/02/21 14:29
Subsystems: kernel
[Documentation on labels]
First crash: 2394d, last: 2337d
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: Machine halted. kernel C 196 2394d 2488d 0/28 closed as invalid on 2018/07/10 13:08

Sample crash report:
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8800fffffe68 CR3: 00000001cf21e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Kernel panic - not syncing: Machine halted.
CPU: 1 PID: 5462 Comm: syz-executor356 Not tainted 4.18.0-rc3+ #58
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <#DF>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 df_debug+0x2d/0x2e arch/x86/kernel/doublefault.c:81
 do_double_fault+0x113/0x200 arch/x86/kernel/traps.c:444
 double_fault+0x23/0x30 arch/x86/entry/entry_64.S:994
RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294
Code: 41 57 41 89 cf 41 56 41 55 49 89 fd 41 54 45 89 cc 53 65 4c 8b 34 25 40 ee 01 00 48 83 e4 f0 48 81 ec 60 03 00 00 48 8b 45 10 <89> 94 24 80 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 84 24 98 
RSP: 0018:ffff8800fffffe70 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 1ffff1002000004b RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620
RBP: ffff880100000200 R08: 0000000000000000 R09: 0000000000000000
R10: ffff8801a942fbe0 R11: ffff8801d85baabb R12: 0000000000000000
R13: ffffffff88f92620 R14: ffff8801d85ba340 R15: 0000000000000002
WARNING: kernel stack regs at (____ptrval____) in syz-executor356:5462 has bad 'bp' value (____ptrval____)
unwind stack type:0 next_sp:(____ptrval____) mask:0x20 graph_idx:0
(____ptrval____): fffffe0000039d78 (0xfffffe0000039d78)
(____ptrval____): ffffffff812a9105 (show_trace_log_lvl+0x1f6/0x28c)
(____ptrval____): ffffffff815ea86e (__lock_acquire+0x2e/0x5020)
(____ptrval____): fffffe0000039fd8 (0xfffffe0000039fd8)
(____ptrval____): 0000000000000020 (0x20)
(____ptrval____): 0000000000000005 (0x5)
(____ptrval____): fffffe0000038000 (0xfffffe0000038000)
(____ptrval____): fffffe000003a000 (0xfffffe000003a000)
(____ptrval____): ffff8800fffffe70 (0xffff8800fffffe70)
(____ptrval____): 0000000000000000 ...
(____ptrval____): fffffe0000038000 (0xfffffe0000038000)
(____ptrval____): fffffe000003a000 (0xfffffe000003a000)
(____ptrval____): ffff8800fffffe70 (0xffff8800fffffe70)
(____ptrval____): 0000000000000020 (0x20)
(____ptrval____): ffff8801d85ba340 (0xffff8801d85ba340)
(____ptrval____): 0000010100000000 (0x10100000000)
(____ptrval____): 0000000000000000 ...
(____ptrval____): fffffe0000039ca8 (0xfffffe0000039ca8)
(____ptrval____): ffffffff815ea86e (__lock_acquire+0x2e/0x5020)
(____ptrval____): fffffe0000039f58 (0xfffffe0000039f58)
(____ptrval____): e055df6e3b321c00 (0xe055df6e3b321c00)
(____ptrval____): 0000000000000093 (0x93)
(____ptrval____): 0000000000000000 ...
(____ptrval____): ffffffff88f1b060 (pv_cpu_ops+0x120/0x120)
(____ptrval____): 00000000ffffffff (0xffffffff)
(____ptrval____): fffffe0000039d88 (0xfffffe0000039d88)
(____ptrval____): ffffffff812a91d3 (show_stack+0x38/0x3a)
(____ptrval____): fffffe0000039e38 (0xfffffe0000039e38)
(____ptrval____): ffffffff878fb975 (dump_stack+0x1c9/0x2b4)
(____ptrval____): fffffbfff11e360c (0xfffffbfff11e360c)
(____ptrval____): dffffc0000000000 (0xdffffc0000000000)
(____ptrval____): 1fffffc0000073b6 (0x1fffffc0000073b6)
(____ptrval____): 0000000041b58ab3 (0x41b58ab3)
(____ptrval____): ffffffff88bd7954 (regoff.33338+0x3696d4/0x37c210)
(____ptrval____): ffffffff878fb7ac (dump_stack_print_info.cold.2+0x52/0x52)
(____ptrval____): fffffe0000039df8 (0xfffffe0000039df8)
(____ptrval____): 0000000000000000 ...
(____ptrval____): fffffe0000039e40 (0xfffffe0000039e40)
(____ptrval____): ffff880100000000 (0xffff880100000000)
(____ptrval____): fffffe0000039e18 (0xfffffe0000039e18)
(____ptrval____): e055df6e3b321c00 (0xe055df6e3b321c00)
(____ptrval____): ffff880100000000 (0xffff880100000000)
(____ptrval____): ffffffff89e74d60 (buf.37263+0x40/0x40)
(____ptrval____): e055df6e3b321c00 (0xe055df6e3b321c00)
(____ptrval____): 0000000000000000 ...
(____ptrval____): ffffffff87e742e0 (hpet_msi_domain_info+0xe40/0x1a80)
(____ptrval____): 0000000000000001 (0x1)
(____ptrval____): 0000000000000000 ...
(____ptrval____): fffffe0000039f00 (0xfffffe0000039f00)
(____ptrval____): ffffffff81473ab9 (panic+0x238/0x4e7)
(____ptrval____): 0000000041b58ab3 (0x41b58ab3)
(____ptrval____): ffffffff88bed9cc (K512_4+0x130c/0x120f84)
(____ptrval____): ffffffff81473881 (add_taint.cold.5+0x16/0x16)
(____ptrval____): 0000000000000000 ...
(____ptrval____): 0000000000000008 (0x8)
(____ptrval____): fffffe0000039f10 (0xfffffe0000039f10)
(____ptrval____): fffffe0000039ea8 (0xfffffe0000039ea8)
(____ptrval____): 0000000000000000 ...
(____ptrval____): ffff8801d85ba340 (0xffff8801d85ba340)
(____ptrval____): 0000010000000000 (0x10000000000)
(____ptrval____): 0000000000000000 ...
(____ptrval____): e055df6e3b321c00 (0xe055df6e3b321c00)
(____ptrval____): 0000000000000000 ...
(____ptrval____): ffffffff8137bfcc (get_cpu_entry_area+0xc/0x30)
(____ptrval____): fffffe0000033000 (0xfffffe0000033000)
(____ptrval____): 0000000000000004 (0x4)
(____ptrval____): 000000000001ede0 (0x1ede0)
(____ptrval____): fffffe0000039e60 (0xfffffe0000039e60)
(____ptrval____): fffffe0000039f58 (0xfffffe0000039f58)
(____ptrval____): 0000000000000000 ...
(____ptrval____): ffffffff87e4a580 (__func__.44285+0x40/0x40)
(____ptrval____): ffff8800fffffe70 (0xffff8800fffffe70)
(____ptrval____): 0000000000000000 ...
(____ptrval____): fffffe0000039f18 (0xfffffe0000039f18)
(____ptrval____): ffffffff813470df (df_debug+0x2d/0x2e)
(____ptrval____): fffffe0000039f58 (0xfffffe0000039f58)
(____ptrval____): fffffe0000039f48 (0xfffffe0000039f48)
(____ptrval____): ffffffff8129c1f3 (do_double_fault+0x113/0x200)
(____ptrval____): 0000000000000001 (0x1)
(____ptrval____): 0000000000000000 ...
(____ptrval____): fffffe0000039f59 (0xfffffe0000039f59)
(____ptrval____): ffffffff87a00bd3 (double_fault+0x23/0x30)
(____ptrval____): 0000000000000002 (0x2)
(____ptrval____): ffff8801d85ba340 (0xffff8801d85ba340)
(____ptrval____): ffffffff88f92620 (rcu_bh_lock_map+0x40/0x40)
(____ptrval____): 0000000000000000 ...
(____ptrval____): ffff880100000200 (0xffff880100000200)
(____ptrval____): 1ffff1002000004b (0x1ffff1002000004b)
(____ptrval____): ffff8801d85baabb (0xffff8801d85baabb)
(____ptrval____): ffff8801a942fbe0 (0xffff8801a942fbe0)
(____ptrval____): 0000000000000000 ...
(____ptrval____): 0000000000000002 (0x2)
(____ptrval____): 0000000000000000 ...
(____ptrval____): ffffffff88f92620 (rcu_bh_lock_map+0x40/0x40)
(____ptrval____): ffffffffffffffff (0xffffffffffffffff)
(____ptrval____): ffffffff815ea86e (__lock_acquire+0x2e/0x5020)
(____ptrval____): 0000000000000010 (0x10)
(____ptrval____): 0000000000010082 (0x10082)
(____ptrval____): ffff8800fffffe70 (0xffff8800fffffe70)
(____ptrval____): 0000000000000018 (0x18)
 </#DF>
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (14350):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/07/19 12:48 bpf-next 8ae71e76cf1f 49f35839 .config console log report syz C ci-upstream-bpf-next-kasan-gce
2018/07/17 14:12 bpf-next 301f935be9e0 13761366 .config console log report syz C ci-upstream-bpf-next-kasan-gce
2018/07/16 11:12 bpf-next 13f7432bdd8e 92a49505 .config console log report syz C ci-upstream-bpf-next-kasan-gce
2018/09/04 22:57 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report syz C ci-upstream-kmsan-gce
2018/08/30 21:20 https://github.com/google/kmsan.git master 25114c64b719 938220fd .config console log report syz C ci-upstream-kmsan-gce
2018/08/20 14:06 https://github.com/google/kmsan.git master 0cc51dc9a291 2dc4378f .config console log report syz C ci-upstream-kmsan-gce
2018/08/19 22:53 https://github.com/google/kmsan.git master 0cc51dc9a291 2dc4378f .config console log report syz C ci-upstream-kmsan-gce
2018/08/12 00:41 https://github.com/google/kmsan.git master 0cc51dc9a291 7a88b141 .config console log report syz C ci-upstream-kmsan-gce
2018/07/16 11:40 https://github.com/google/kmsan.git master 80ecacc456c1 92a49505 .config console log report syz C ci-upstream-kmsan-gce
2018/07/13 02:37 https://github.com/google/kmsan.git master b64f7ec04e12 06c33b3a .config console log report syz C ci-upstream-kmsan-gce
2018/07/12 12:40 https://github.com/google/kmsan.git master b64f7ec04e12 06c33b3a .config console log report syz C ci-upstream-kmsan-gce
2018/07/21 16:19 https://github.com/google/kmsan.git master d1c2a46a46f6 8cc079c3 .config console log report syz ci-upstream-kmsan-gce
2018/07/21 12:48 https://github.com/google/kmsan.git master d1c2a46a46f6 8cc079c3 .config console log report syz ci-upstream-kmsan-gce
2018/07/21 11:50 https://github.com/google/kmsan.git master d1c2a46a46f6 8cc079c3 .config console log report syz ci-upstream-kmsan-gce
2018/07/20 20:56 https://github.com/google/kmsan.git master d1c2a46a46f6 af255b09 .config console log report syz ci-upstream-kmsan-gce
2018/07/19 08:44 https://github.com/google/kmsan.git master 80ecacc456c1 49f35839 .config console log report syz ci-upstream-kmsan-gce
2018/07/18 05:23 https://github.com/google/kmsan.git master 80ecacc456c1 6d5bd5b5 .config console log report syz ci-upstream-kmsan-gce
2018/07/17 18:34 https://github.com/google/kmsan.git master 80ecacc456c1 6d5bd5b5 .config console log report syz ci-upstream-kmsan-gce
2018/07/16 11:53 https://github.com/google/kmsan.git master 80ecacc456c1 92a49505 .config console log report syz ci-upstream-kmsan-gce
2018/07/16 08:52 https://github.com/google/kmsan.git master 80ecacc456c1 92a49505 .config console log report syz ci-upstream-kmsan-gce
2018/07/16 08:06 https://github.com/google/kmsan.git master 80ecacc456c1 92a49505 .config console log report syz ci-upstream-kmsan-gce
2018/07/16 07:49 https://github.com/google/kmsan.git master 80ecacc456c1 92a49505 .config console log report syz ci-upstream-kmsan-gce
2018/07/29 16:18 upstream a26fb01c2879 0824d7a1 .config console log report ci-upstream-kasan-gce
2018/07/12 20:57 upstream c25c74b7476e 06c33b3a .config console log report ci-upstream-kasan-gce-root
2018/07/22 07:30 bpf-next 8ae71e76cf1f 8cc079c3 .config console log report ci-upstream-bpf-next-kasan-gce
2018/09/05 11:34 https://github.com/google/kmsan.git master 43e4752ae5dc 196410e4 .config console log report ci-upstream-kmsan-gce
2018/09/05 09:36 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 08:53 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 08:24 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 07:33 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 06:20 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 05:29 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 04:42 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 04:00 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 03:25 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 02:27 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 01:17 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 01:07 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/05 00:04 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 23:47 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 23:27 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 22:51 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 22:16 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 21:40 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 20:51 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 19:56 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 19:06 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 18:27 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 17:37 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 16:42 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 15:48 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 14:20 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 13:25 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 12:21 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 11:34 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 10:28 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 09:25 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 08:24 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 07:58 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 06:53 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 05:48 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/09/04 04:31 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config console log report ci-upstream-kmsan-gce
2018/08/04 18:40 linux-next 116b181bb646 3476a2df .config console log report ci-upstream-linux-next-kasan-gce-root
2018/07/10 22:25 https://github.com/google/kmsan.git master b64f7ec04e12 2e0e3130 .config console log report ci-upstream-kmsan-gce
* Struck through repros no longer work on HEAD.