syzbot


Internal error in preempt_count_add

Status: auto-obsoleted due to no activity on 2023/08/14 22:43
Subsystems: arm
[Documentation on labels]
Reported-by: syzbot+6eb78bf9ba0a6eaa439a@syzkaller.appspotmail.com
First crash: 378d, last: 378d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream Internal error in preempt_count_add (2) net 2 215d 224d 0/26 auto-obsoleted due to no activity on 2024/01/24 17:46
upstream KMSAN: uninit-value in preempt_count_add kernel C 6657 597d 597d 0/26 closed as invalid on 2022/10/10 13:29
upstream KMSAN: uninit-value in preempt_count_add (2) kernel C 5038 466d 449d 0/26 closed as invalid on 2023/03/06 15:21

Sample crash report:
Insufficient stack space to handle exception!
Task stack:     [0xeb03c000..0xeb03e000]
IRQ stack:      [0xdf800000..0xdf802000]
Overflow stack: [0x831dc000..0x831dd000]
Internal error: kernel stack overflow: 0 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 7684 Comm: syz-executor.1 Not tainted 6.4.0-rc2-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at preempt_count_add+0x4/0x15c kernel/sched/core.c:5802
LR is at bit_spin_lock include/linux/bit_spinlock.h:25 [inline]
LR is at slab_lock mm/slub.c:504 [inline]
LR is at __cmpxchg_double_slab.constprop.0+0x34/0x1a8 mm/slub.c:539
pc : [<80277d34>]    lr : [<8049fa54>]    psr: 60000093
sp : eb03c018  ip : eb03c018  fp : eb03c044
r10: 830013c0  r9 : ffffffff  r8 : 60000013
r7 : 00000000  r6 : 80100010  r5 : 00000000  r4 : ddec72c8
r3 : 00000000  r2 : 80100010  r1 : 00000000  r0 : 00000001
Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 85f337c0  DAC: fffffffd
Register r0 information: non-paged memory
Register r1 information: NULL pointer
Register r2 information: non-slab/vmalloc memory
Register r3 information: NULL pointer
Register r4 information: non-slab/vmalloc memory
Register r5 information: NULL pointer
Register r6 information: non-slab/vmalloc memory
Register r7 information: NULL pointer
Register r8 information: non-paged memory
Register r9 information: non-paged memory
Register r10 information: slab kmem_cache start 830013c0 pointer offset 0 size 132
Register r11 information: 2-page vmalloc region starting at 0xeb03c000 allocated at kernel_clone+0x9c/0x3dc kernel/fork.c:2918
Register r12 information: 2-page vmalloc region starting at 0xeb03c000 allocated at kernel_clone+0x9c/0x3dc kernel/fork.c:2918
Process syz-executor.1 (pid: 7684, stack limit = 0xeb03c000)
Stack: (0xeb03c018 to 0xeb03e000)
c000:                                                       ddec72c8 00000000
c020: dddd5818 ddec72c8 00000000 dddd5818 60000013 60000013 eb03c0d4 eb03c048
c040: 804a2d1c 8049fa2c 00100010 00000001 eb03c06c 83001180 00000000 00000920
c060: 8260c9b8 00000014 5b922000 dddd57e8 eb03c0c4 eb03c080 8134c218 00000920
c080: 60000013 00082820 83001540 00000001 eb03c0ac 83001540 00100010 00082820
c0a0: 8260c9b8 00000400 824b3818 dddd5818 830013c0 00000920 ffffffff 8134c218
c0c0: 00000920 ffffffff eb03c104 eb03c0d8 804a3644 804a2c7c dddd5818 000000d8
c0e0: 804a7524 830013c0 00000000 00000920 8260c9b8 000000d8 eb03c14c eb03c108
c100: 804a6334 804a35ec 000000d8 eb03c118 00000820 81319a98 00000000 363d9be3
c120: ffffffff 000000d8 830013c0 827c90fc 00000920 8134c218 0000e401 84fb6000
c140: eb03c194 eb03c150 8044674c 804a619c 8134c218 806b0ca8 eb03c17c eb03c4b4
c160: eb03c1dc eb03c170 806b6e70 82604d40 84b5f780 827c90fc 84fb6000 848e24c0
c180: 0000e401 84fb6000 eb03c1fc eb03c198 8134c218 80446710 00000000 0100007f
c1a0: 0100007f 00000000 00000000 00000000 827c9240 00000000 00000006 00000000
c1c0: 00000000 00000000 eb03c218 00000004 eb03c274 00000000 84b5f780 832c5c00
c1e0: 84fb6000 848e24c0 eb03c410 eb03c4b4 eb03c214 eb03c200 8134c768 8134bdc8
c200: 00000000 00000000 eb03c244 eb03c218 814c6050 8134c750 0100007f 363d9be3
c220: 84b5f780 848e24c0 83390600 0000ffff 00000000 eb03c410 eb03c27c eb03c248
c240: 814c6fb0 814c5c14 817f6c40 84b5f780 00000000 846b3000 83390600 84b5f780
c260: 83390600 848e24c0 00000000 eb03c410 eb03c29c eb03c280 814c70c4 814c6f20
c280: 84b5f780 848e24c0 83390600 84fb6000 eb03c2ec eb03c2a0 814c723c 814c70a4
c2a0: eb03c2ec 00000001 814c82a4 802d0204 00000000 84fb6000 83390600 848e24c0
c2c0: 814c7098 363d9be3 814c5410 00000001 84b5f780 83390600 848e24c0 83390708
c2e0: eb03c30c eb03c2f0 814c97a0 814c7170 83390600 eb03c3d0 84b5f780 85b74c24
c300: eb03c324 eb03c310 814c9850 814c9760 83390600 eb03c3d0 eb03c364 eb03c328
c320: 81510294 814c9830 0000022c 00000008 eb03c3a8 eb03c3a4 00000040 84b5fc00
c340: 84b5fc00 00000003 00000004 eb03c3d0 86240138 848e24c0 eb03c4a4 eb03c368
c360: 81510694 815101b4 eb03c3a4 000000c0 00000000 00000003 00000004 eb03c410
c380: 00000000 eb03c3d0 00000000 8339067c 00000018 000000c0 00000000 83390600
c3a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
c3c0: eb03c434 ffff0000 00000000 00000000 00000001 00000001 00000000 00000000
c3e0: 00010000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
c400: 0100007f 0100007f 00000403 00000000 84b5fc00 00000004 00000224 00000403
c420: 94050000 8032b6d0 eb03c46c eb03c438 00000008 8032b7f8 00000000 00000000
c440: 00000000 00000000 00000000 00000000 832c5a00 00000594 eb03c480 814bc518
c460: eb03c4ec eb03c470 814bc5b4 814bc2c4 eb8d5f03 363d9be3 0000002f 84b5fc00
c480: 85dc6800 00000003 00000004 94050000 00000000 832c5b80 eb03c4ec eb03c4a8
c4a0: 81510900 81510318 eb03c4b4 00000004 00000000 00000000 00000000 00000000
c4c0: 00000000 363d9be3 84b5fc00 85dc6800 00000001 00000000 00000594 814bc518
c4e0: eb03c51c eb03c4f0 81537df0 815107b4 00000000 eb03c500 84b5fc00 85dc6800
c500: 00000000 85dc6e80 00000000 00000008 eb03c5ec eb03c520 81539ad4 81537bd0
c520: 86240138 00000000 00000000 00000000 00000000 00000000 848e24c0 86240000
c540: 00000138 00000000 3a4ff79f 00000000 00000000 00000000 85dc6efc 00000000
c560: 00000040 86240138 85dc6edc 2f8504f8 00000020 dded6580 00000887 00000000
c580: 00000000 00000000 002f0000 00000000 00000000 00000000 00000000 00000000
c5a0: 3a4ff79f 00000000 00000000 01001e2c 00000000 00000000 eb03c5fc 363d9be3
c5c0: 806b0c10 00000000 84b5fc00 85dc6800 85dc6edc 00000008 00000000 00000004
c5e0: eb03c624 eb03c5f0 8154a978 815397a4 00000000 00000000 eb03c644 84b5fc00
c600: 85dc6800 85dc6edc 85dc6800 84668bc0 00000000 8260ee80 eb03c644 eb03c628
c620: 8154b3a4 8154a844 81c3e0fc 84b5fc00 00000000 85dc6800 eb03c69c eb03c648
c640: 8133a8f0 8154b214 eb03c6b3 85dc6800 832c5a00 81f8636c eb03c6b4 827e21ad
c660: 8260c498 82155798 000005a8 85a49800 84b5fc00 84b5fc00 eb03c6a0 85dc6800
c680: 85a49800 824b1288 832c5a00 0000002f eb03c6fc eb03c6a0 8133b6e4 8133a83c
c6a0: 00000000 00000000 00000000 00000000 00000000 fffffff4 824b3bf0 84b5fc00
c6c0: eb03c7a4 846b3000 eb03c76c 363d9be3 806b7068 85bdf000 84b5fc00 832c5a00
c6e0: 85dc6800 848e24c0 832c5a00 0000002f eb03c70c eb03c700 81345ac4 8133abf8
c700: eb03c73c eb03c710 814c5d78 81345ab8 02001eac 363d9be3 84b5fc00 848e24c0
c720: 00000000 000005c4 85ca7000 832c5a00 eb03c774 eb03c740 814c6fb0 814c5c14
c740: 00000000 84b5fc00 00000000 846b3000 00000000 84b5fc00 00000000 848e24c0
c760: 85ca7000 832c5a00 eb03c794 eb03c778 814c70c4 814c6f20 84b5fc00 848e24c0
c780: 00000000 85dc6800 eb03c7e4 eb03c798 814c723c 814c70a4 eb03c7e4 00000001
c7a0: 814c82a4 802d0204 85ca7000 85dc6800 00000000 848e24c0 814c7098 363d9be3
c7c0: 814c5410 84b5fc00 848e24c0 00000000 00000040 848e24c0 eb03c804 eb03c7e8
c7e0: 814c8344 814c7170 84b5fc00 00000000 85ca7000 00000040 eb03c854 eb03c808
c800: 8152f850 814c8310 81319114 8624014c 00000150 86240000 00000594 00000040
c820: 00000000 00000000 0001ff00 84b5fc00 85ca7000 00000114 00000000 00000040
c840: 00000024 832c5a00 eb03c924 eb03c858 81539f98 8152f714 02001eac 0000002f
c860: 00000000 00000040 00000040 00000000 848e24c0 86220000 00000110 00000000
c880: 3a4ff79f 00000000 00000000 00000000 85ca76fc 00000008 00000040 86220110
c8a0: 85ca76dc 2f8504f8 00000010 dded5ec0 eb8d5f03 00000000 00000000 00000000
c8c0: 002f0000 00000000 00000000 00000000 00000000 00000000 3a4ff79f 00000000
c8e0: 00000000 02001eac 00000000 00000000 eb03c934 363d9be3 806b0c10 00000000
c900: 84b5fc00 85ca7000 85ca76dc 00000008 00000000 00000004 eb03c95c eb03c928
c920: 8154a978 815397a4 00000000 00000000 eb03c97c 84b5fc00 85ca7000 85ca76dc
c940: 85ca7000 84668bc0 00000000 8260ee80 eb03c97c eb03c960 8154b3a4 8154a844
c960: 81c3e0fc 84b5fc00 00000000 85ca7000 eb03c9d4 eb03c980 8133a8f0 8154b214
c980: eb03c9eb 85ca7000 832c5b80 81f8636c eb03c9ec 827e21ad 8260c498 82155798
c9a0: 00000590 85a48e00 84b5fc00 84b5fc00 eb03c9d8 85ca7000 85a48e00 824b1288
c9c0: 832c5b80 0000002f eb03ca34 eb03c9d8 8133b6e4 8133a83c 00000000 00000000
c9e0: 00000000 00000000 00000000 fffffff4 eb03ca5c 84b5fc00 eb03cadc 846b3000
ca00: eb03caa4 363d9be3 806b7068 85ba2b00 84b5fc00 832c5b80 85ca7000 848e24c0
ca20: 832c5b80 0000002f eb03ca44 eb03ca38 81345ac4 8133abf8 eb03ca74 eb03ca48
ca40: 814c5d78 81345ab8 01001e2c 363d9be3 84b5fc00 848e24c0 00000000 000005ac
ca60: 85dc6800 832c5b80 eb03caac eb03ca78 814c6fb0 814c5c14 dddd6cc0 84b5fc00
ca80: 00000000 846b3000 00000000 84b5fc00 00000000 848e24c0 85dc6800 832c5b80
caa0: eb03cacc eb03cab0 814c70c4 814c6f20 84b5fc00 848e24c0 00000000 85ca7000
cac0: eb03cb1c eb03cad0 814c723c 814c70a4 eb03cb1c 00000001 814c82a4 802d0204
cae0: 85dc6800 85ca7000 00000000 848e24c0 814c7098 363d9be3 814c5410 84b5fc00
cb00: 848e24c0 00000000 00000040 848e24c0 eb03cb3c eb03cb20 814c8344 814c7170
cb20: 84b5fc00 00000000 85dc6800 00000040 eb03cb8c eb03cb40 8152f850 814c8310
cb40: 81319114 86220124 00000128 86220000 0000057c 00000040 00000000 00000000
cb60: 0000ff00 84b5fc00 85dc6800 000000f4 00000000 00000040 00000024 832c5b80
cb80: eb03cc5c eb03cb90 81539f98 8152f714 01001e2c 0000002f 00000000 00000040
cba0: 00000040 00000000 848e24c0 84ef8000 000000e8 00000000 3a4ff79f 00000000
cbc0: 00000000 00000000 85dc6efc 00000010 00000040 84ef80e8 85dc6edc 2f8504f8
cbe0: 00000008 ddeaaae4 00000887 00000000 00000000 00000000 002f0000 00000000
cc00: 00000000 00000000 00000000 00000000 3a4ff79f 00000000 00000000 01001e2c
cc20: 00000000 00000000 eb03cc6c 363d9be3 806b0c10 00000000 84b5fc00 85dc6800
cc40: 85dc6edc 00000008 00000000 00000004 eb03cc94 eb03cc60 8154a978 815397a4
cc60: 00000000 00000000 eb03ccb4 84b5fc00 85dc6800 85dc6edc 85dc6800 84668bc0
cc80: 00000000 8260ee80 eb03ccb4 eb03cc98 8154b3a4 8154a844 81c3e0fc 84b5fc00
cca0: 00000000 85dc6800 eb03cd0c eb03ccb8 8133a8f0 8154b214 eb03cd23 85dc6800
ccc0: 832c5a00 81f8636c eb03cd24 827e21ad 8260c498 82155798 00000578 85a49800
cce0: 84b5fc00 84b5fc00 eb03cd10 85dc6800 85a49800 824b1288 832c5a00 0000002f
cd00: eb03cd6c eb03cd10 8133b6e4 8133a83c 00000000 00000000 00000000 00000000
cd20: 00000000 fffffff4 eb03cd94 84b5fc00 eb03ce14 846b3000 eb03cddc 363d9be3
cd40: 806b7068 85bdf000 84b5fc00 832c5a00 85dc6800 848e24c0 832c5a00 0000002f
cd60: eb03cd7c eb03cd70 81345ac4 8133abf8 eb03cdac eb03cd80 814c5d78 81345ab8
cd80: 02001eac 363d9be3 84b5fc00 848e24c0 00000000 000005c4 85ca7000 832c5a00
cda0: eb03cde4 eb03cdb0 814c6fb0 814c5c14 dddd6cc0 84b5fc00 00000000 846b3000
cdc0: 00000000 84b5fc00 00000000 848e24c0 85ca7000 832c5a00 eb03ce04 eb03cde8
cde0: 814c70c4 814c6f20 84b5fc00 848e24c0 00000000 85dc6800 eb03ce54 eb03ce08
ce00: 814c723c 814c70a4 eb03ce54 00000001 814c82a4 802d0204 85ca7000 85dc6800
ce20: 00000000 848e24c0 814c7098 363d9be3 814c5410 84b5fc00 848e24c0 00000000
ce40: 00000040 848e24c0 eb03ce74 eb03ce58 814c8344 814c7170 84b5fc00 00000000
ce60: 85ca7000 00000040 eb03cec4 eb03ce78 8152f850 814c8310 81319114 84ef80fc
ce80: 00000100 84ef8000 00000564 00000040 00000000 00000000 00007f00 84b5fc00
cea0: 85ca7000 000000d4 00000000 00000040 00000024 832c5a00 eb03cf94 eb03cec8
cec0: 81539f98 8152f714 02001eac 0000002f 00000000 00000040 00000040 00000000
cee0: 848e24c0 85ec0000 000000c0 00000000 3a4ff79f 00000000 00000000 00000000
cf00: 85ca76fc 00000018 00000040 85ec00c0 85ca76dc 2f8504f8 00000004 ddece304
cf20: eb8d5f03 00000000 00000000 00000000 002f0000 00000000 00000000 00000000
cf40: 00000000 00000000 3a4ff79f 00000000 00000000 02001eac 00000000 00000000
cf60: eb03cfa4 363d9be3 806b0c10 00000000 84b5fc00 85ca7000 85ca76dc 00000008
cf80: 00000000 00000004 eb03cfcc eb03cf98 8154a978 815397a4 00000000 00000000
cfa0: eb03cfec 84b5fc00 85ca7000 85ca76dc 85ca7000 84668bc0 00000000 8260ee80
cfc0: eb03cfec eb03cfd0 8154b3a4 8154a844 81c3e0fc 84b5fc00 00000000 85ca7000
cfe0: eb03d044 eb03cff0 8133a8f0 8154b214 eb03d05b 85ca7000 832c5b80 81f8636c
d000: eb03d05c 827e21ad 8260c498 82155798 00000560 85a48e00 84b5fc00 84b5fc00
d020: eb03d048 85ca7000 85a48e00 824b1288 832c5b80 0000002f eb03d0a4 eb03d048
d040: 8133b6e4 8133a83c 00000000 00000000 00000000 00000000 00000000 fffffff4
d060: 00000000 84b5fc00 eb03d14c 846b3000 eb03d114 363d9be3 806b7068 85ba2b00
d080: 84b5fc00 832c5b80 85ca7000 848e24c0 832c5b80 0000002f eb03d0b4 eb03d0a8
d0a0: 81345ac4 8133abf8 eb03d0e4 eb03d0b8 814c5d78 81345ab8 01001e2c 363d9be3
d0c0: 84b5fc00 848e24c0 00000000 000005ac 85dc6800 832c5b80 eb03d11c eb03d0e8
d0e0: 814c6fb0 814c5c14 818024cc 84b5fc00 00000000 846b3000 00000000 84b5fc00
d100: 00000000 848e24c0 85dc6800 832c5b80 eb03d13c eb03d120 814c70c4 814c6f20
d120: 84b5fc00 848e24c0 00000000 85ca7000 eb03d18c eb03d140 814c723c 814c70a4
d140: eb03d18c 00000001 814c82a4 802d0204 85dc6800 85ca7000 00000000 848e24c0
d160: 814c7098 363d9be3 814c5410 84b5fc00 848e24c0 00000000 00000040 848e24c0
d180: eb03d1ac eb03d190 814c8344 814c7170 84b5fc00 00000000 85dc6800 00000040
d1a0: eb03d1fc eb03d1b0 8152f850 814c8310 81319114 85ec00d4 000000d8 85ec0000
d1c0: 0000054c 00000040 00000000 00000000 00003f00 84b5fc00 85dc6800 000000b4
d1e0: 00000000 00000040 00000024 832c5b80 eb03d2cc eb03d200 81539f98 8152f714
d200: 01001e2c 0000002f 00000000 00000040 00000040 00000000 848e24c0 85e6a000
d220: 00000098 00000000 3a4ff79f 00000000 00000000 00000000 85dc6efc 00000020
d240: 00000040 85e6a098 85dc6edc 2f000000 00000000 00000000 00000887 00000000
d260: 00000000 00000000 002f0000 00000000 00000000 00000000 00000000 00000000
d280: 3a4ff79f 00000000 00000000 01001e2c 00000000 00000000 eb03d2dc 363d9be3
d2a0: 806b0c10 00000000 84b5fc00 85dc6800 85dc6edc 00000008 00000000 00000004
d2c0: eb03d304 eb03d2d0 8154a978 815397a4 00000000 00000000 eb03d324 84b5fc00
d2e0: 85dc6800 85dc6edc 85dc6800 84668bc0 00000000 8260ee80 eb03d324 eb03d308
d300: 8154b3a4 8154a844 81c3e0fc 84b5fc00 00000000 85dc6800 eb03d37c eb03d328
d320: 8133a8f0 8154b214 eb03d393 85dc6800 832c5a00 81f8636c eb03d394 827e21ad
d340: 8260c498 82155798 00000548 85a49800 84b5fc00 84b5fc00 eb03d380 85dc6800
d360: 85a49800 824b1288 832c5a00 0000002f eb03d3dc eb03d380 8133b6e4 8133a83c
d380: 00000000 00000000 00000000 00000000 00000000 fffffff4 00000000 84b5fc00
d3a0: eb03d484 846b3000 eb03d44c 363d9be3 806b7068 85bdf000 84b5fc00 832c5a00
d3c0: 85dc6800 848e24c0 832c5a00 0000002f eb03d3ec eb03d3e0 81345ac4 8133abf8
d3e0: eb03d41c eb03d3f0 814c5d78 81345ab8 02001eac 363d9be3 84b5fc00 848e24c0
d400: 00000000 000005c4 85ca7000 832c5a00 eb03d454 eb03d420 814c6fb0 814c5c14
d420: 818024cc 84b5fc00 00000000 846b3000 00000000 84b5fc00 00000000 848e24c0
d440: 85ca7000 832c5a00 eb03d474 eb03d458 814c70c4 814c6f20 84b5fc00 848e24c0
d460: 00000000 85dc6800 eb03d4c4 eb03d478 814c723c 814c70a4 eb03d4c4 00000001
d480: 814c82a4 802d0204 85ca7000 85dc6800 00000000 848e24c0 814c7098 363d9be3
d4a0: 814c5410 84b5fc00 848e24c0 00000000 00000040 848e24c0 eb03d4e4 eb03d4c8
d4c0: 814c8344 814c7170 84b5fc00 00000000 85ca7000 00000040 eb03d534 eb03d4e8
d4e0: 8152f850 814c8310 81319114 85e6a0ac 000000b0 85e6a000 00000534 00000040
d500: 00000000 00000000 00001f00 84b5fc00 85ca7000 00000094 00000000 00000040
d520: 00000024 832c5a00 eb03d604 eb03d538 81539f98 8152f714 02001eac 0000002f
d540: 00000000 00000040 00000040 00000000 848e24c0 85dd7000 00000070 00000000
d560: 3a4ff79f 00000000 00000000 00000000 85ca76fc 00000028 00000040 85dd7070
d580: 85ca76dc 2f000920 8260c9b8 00000014 eb8d5f03 00000000 00000000 00000000
d5a0: 002f0000 00000000 00000000 00000000 00000000 00000000 3a4ff79f 00000000
d5c0: 00000000 02001eac 00000000 00000000 eb03d664 363d9be3 848e24c0 00000000
d5e0: 84b5fc00 85ca7000 85ca76dc 00000008 00000000 00000004 eb03d63c eb03d608
d600: 8154a978 815397a4 00000000 00000000 eb03d65c 84b5fc00 85ca7000 85ca76dc
d620: 85ca7000 84668bc0 00000000 8260ee80 eb03d65c eb03d640 8154b3a4 8154a844
d640: 81c3e0fc 84b5fc00 00000000 85ca7000 eb03d6b4 eb03d660 8133a8f0 8154b214
d660: eb03d6cb 85ca7000 832c5b80 81f8636c eb03d6cc 827e21ad 8260c498 82155798
d680: 00000530 85a48e00 84b5fc00 84b5fc00 eb03d6b8 85ca7000 85a48e00 824b1288
d6a0: 832c5b80 0000002f eb03d714 eb03d6b8 8133b6e4 8133a83c 00000000 00000000
d6c0: 827c9240 00000000 00000005 fffffff4 827c90fc 00000000 827c9254 00000004
d6e0: eb03d784 363d9be3 84b5fc00 85ba2b00 84b5fc00 832c5b80 85ca7000 848e24c0
d700: 832c5b80 0000002f eb03d724 eb03d718 81345ac4 8133abf8 eb03d754 eb03d728
d720: 814c5d78 81345ab8 01001e2c 363d9be3 84b5fc00 848e24c0 00000000 000005ac
d740: 85dc6800 832c5b80 eb03d78c eb03d758 814c6fb0 814c5c14 818024cc 84b5fc00
d760: 00000000 846b3000 00000000 84b5fc00 00000000 848e24c0 85dc6800 832c5b80
d780: eb03d7ac eb03d790 814c70c4 814c6f20 84b5fc00 848e24c0 00000000 85ca7000
d7a0: eb03d7fc eb03d7b0 814c723c 814c70a4 eb03d7fc 00000001 814c82a4 802d0204
d7c0: 85dc6800 85ca7000 00000000 848e24c0 814c7098 363d9be3 814c5410 84b5fc00
d7e0: 848e24c0 00000000 00000040 848e24c0 eb03d81c eb03d800 814c8344 814c7170
d800: 84b5fc00 00000000 85dc6800 00000040 eb03d86c eb03d820 8152f850 814c8310
d820: 81319114 85dd7084 00000088 85dd7000 0000051c 00000040 00000000 00000000
d840: 00000f00 84b5fc00 85dc6800 00000074 00000000 00000040 00000024 832c5b80
d860: eb03d93c eb03d870 81539f98 8152f714 01001e2c 0000002f 00000000 00000040
d880: 00000040 00000000 848e24c0 85934000 00000048 00000000 3a4ff79f 00000000
d8a0: 00000000 00000000 85dc6efc 00000030 00000040 85934048 85dc6edc 2f000920
d8c0: 8260c9b8 00000014 00000887 00000001 00000000 00000000 002f0000 00000000
d8e0: 00000000 00000000 00000000 00000000 3a4ff79f 00000000 00000000 01001e2c
d900: 00000000 00000000 eb03d99c 363d9be3 848e24c0 00000000 84b5fc00 85dc6800
d920: 85dc6edc 00000008 00000000 00000004 eb03d974 eb03d940 8154a978 815397a4
d940: 00000000 00000000 eb03d994 84b5fc00 85dc6800 85dc6edc 85dc6800 84668bc0
d960: 00000000 8260ee80 eb03d994 eb03d978 8154b3a4 8154a844 81c3e0fc 84b5fc00
d980: 00000000 85dc6800 eb03d9ec eb03d998 8133a8f0 8154b214 eb03da03 85dc6800
d9a0: 832c5a00 81f8636c eb03da04 827e21ad 8260c498 82155798 00000518 85a49800
d9c0: 84b5fc00 84b5fc00 eb03d9f0 85dc6800 85a49800 824b1288 832c5a00 0000002f
d9e0: eb03da4c eb03d9f0 8133b6e4 8133a83c 00000000 00000000 827c9240 00000000
da00: 00000004 fffffff4 827c90fc 00000000 827c9254 00000004 eb03dabc 363d9be3
da20: 84b5fc00 85bdf000 84b5fc00 832c5a00 85dc6800 848e24c0 832c5a00 0000002f
da40: eb03da5c eb03da50 81345ac4 8133abf8 eb03da8c eb03da60 814c5d78 81345ab8
da60: 02001eac 363d9be3 84b5fc00 848e24c0 00000000 000005c4 85ca7000 832c5a00
da80: eb03dac4 eb03da90 814c6fb0 814c5c14 00000000 84b5fc00 00000000 846b3000
daa0: 00000000 84b5fc00 00000000 848e24c0 85ca7000 832c5a00 eb03dae4 eb03dac8
dac0: 814c70c4 814c6f20 84b5fc00 848e24c0 00000000 85dc6800 eb03db34 eb03dae8
dae0: 814c723c 814c70a4 eb03db34 00000001 814c82a4 802d0204 85ca7000 85dc6800
db00: 00000000 848e24c0 814c7098 363d9be3 814c5410 84b5fc00 848e24c0 00000000
db20: 00000040 848e24c0 eb03db54 eb03db38 814c8344 814c7170 84b5fc00 00000000
db40: 85ca7000 00000040 eb03dba4 eb03db58 8152f850 814c8310 a3e48000 8593405c
db60: 00000060 85934000 00000504 00000040 00000000 00000000 eb03dba4 84b5fc00
db80: 85ca7000 00000054 00000000 00000040 00000024 832c5a00 eb03dc74 eb03dba8
dba0: 81539f98 8152f714 02001eac 0000002f 00000000 00000040 00000040 00000000
dbc0: 848e24c0 85934000 00000060 00000000 52dcd112 00000000 00000000 00000000
dbe0: 85ca76fc 00000000 00000040 85934060 85ca76dc 2f000001 eb03dc14 83001600
dc00: eb8d5f03 00000001 00000000 00000000 002f0000 00000000 00000000 00000000
dc20: 00000000 00000000 52dcd112 00000000 00000000 02001eac 00000000 00000000
dc40: 00000ebe 363d9be3 83001600 00000000 84b5fc00 85ca7000 85ca76dc 00000000
dc60: 00000000 00000004 eb03dcac eb03dc78 8154a978 815397a4 00000000 00000000
dc80: eb03dccc 84b5fc00 85ca7000 85ca76dc 85ca7000 84668bc0 00000000 8260ee80
dca0: eb03dccc eb03dcb0 8154b3a4 8154a844 81c3e0fc 84b5fc00 00000000 85ca7000
dcc0: eb03dd24 eb03dcd0 8133a8f0 8154b214 eb03dd3b 85ca7000 85937800 81f8636c
dce0: eb03dd3c 827e21ad 8260c498 82155798 00000500 85a48e00 84b5fc00 84b5fc00
dd00: eb03dd28 85ca7000 85a48e00 824b1288 85937800 85934700 eb03dd84 eb03dd28
dd20: 8133b6e4 8133a83c eb03dd6c 363d9be3 804c6aac 84b5fc00 00000500 fffffff4
dd40: 85224a00 84b5fc00 85937800 85934700 eb03dda4 363d9be3 81633c74 84b5fc00
dd60: 00000500 85ca7000 00000000 84b5fc00 85937800 85934700 eb03dda4 eb03dd88
dd80: 81633e78 8133abf8 85937800 00000500 85ca7000 00000000 eb03de5c eb03dda8
dda0: 816375d0 81633de8 eb03de08 00000000 a3e70550 84964c80 00000000 84964ef0
ddc0: eb03de34 eb03ddd0 817f9464 80277e98 80200288 806b849c 8466de00 824a8260
dde0: 00000000 817f9e3c dddd2640 00000500 00000060 00000000 00000000 00000000
de00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
de20: 00000000 00000000 8216c67c 363d9be3 eb03de5c 00000000 eb03de98 85224a00
de40: 00000000 80200288 84668bc0 00000122 eb03de7c eb03de60 8130ce24 81636714
de60: 00000000 85224a00 20000200 00000000 eb03df8c eb03de80 8130ec74 8130cdec
de80: eb03dea8 8466e010 00000000 00000000 8466de00 00000000 eb03deec 00000014
dea0: eb03ded4 eb03deb0 01000006 00000001 00000500 20000000 00000000 00000000
dec0: 00000001 00000000 00000000 eb03ded8 00000000 00000000 8466e640 00000000
dee0: 84964c80 00000000 0014c000 00000011 00000887 06000001 aaaaaaaa 0000aaaa
df00: 00000081 0014c28c 000f4240 00000001 84668bc0 000000f0 eb03df4c eb03df28
df20: 80309a28 8030c408 00000000 00000040 00000000 00000000 7efffd08 00000000
df40: eb03dfa4 eb03df50 80309fd4 8030996c eb03df84 eb03df60 80277db8 802a6080
df60: 00000000 804f1fa5 84668bc0 363d9be3 20000200 00000014 0014c2c4 00000122
df80: eb03dfa4 eb03df90 8130ecdc 8130ebb0 20000200 00000014 00000000 eb03dfa8
dfa0: 80200060 8130eccc 20000200 00000014 00000003 20000000 00000500 00000000
dfc0: 20000200 00000014 0014c2c4 00000122 7ee2b3c2 76b886d0 7ee2b534 76b8820c
dfe0: 76b88020 76b88010 00017004 0004dfb0 60000010 00000003 00000000 00000000
Backtrace: 
[<8049fa20>] (__cmpxchg_double_slab.constprop.0) from [<804a2d1c>] (get_freelist mm/slub.c:3037 [inline])
[<8049fa20>] (__cmpxchg_double_slab.constprop.0) from [<804a2d1c>] (___slab_alloc+0xac/0x970 mm/slub.c:3120)
 r8:60000013 r7:60000013 r6:dddd5818 r5:00000000 r4:ddec72c8
[<804a2c70>] (___slab_alloc) from [<804a3644>] (__slab_alloc.constprop.0+0x64/0xa8 mm/slub.c:3291)
 r10:ffffffff r9:00000920 r8:8134c218 r7:ffffffff r6:00000920 r5:830013c0
 r4:dddd5818
[<804a35e0>] (__slab_alloc.constprop.0) from [<804a6334>] (__slab_alloc_node mm/slub.c:3344 [inline])
[<804a35e0>] (__slab_alloc.constprop.0) from [<804a6334>] (slab_alloc_node mm/slub.c:3441 [inline])
[<804a35e0>] (__slab_alloc.constprop.0) from [<804a6334>] (__kmem_cache_alloc_node+0x1a4/0x304 mm/slub.c:3490)
 r8:000000d8 r7:8260c9b8 r6:00000920 r5:00000000 r4:830013c0
[<804a6190>] (__kmem_cache_alloc_node) from [<8044674c>] (__do_kmalloc_node mm/slab_common.c:965 [inline])
[<804a6190>] (__kmem_cache_alloc_node) from [<8044674c>] (__kmalloc+0x48/0x258 mm/slab_common.c:979)
 r10:84fb6000 r9:0000e401 r8:8134c218 r7:00000920 r6:827c90fc r5:830013c0
 r4:000000d8
[<80446704>] (__kmalloc) from [<8134c218>] (kmalloc include/linux/slab.h:563 [inline])
[<80446704>] (__kmalloc) from [<8134c218>] (kzalloc include/linux/slab.h:680 [inline])
[<80446704>] (__kmalloc) from [<8134c218>] (neigh_alloc net/core/neighbour.c:486 [inline])
[<80446704>] (__kmalloc) from [<8134c218>] (___neigh_create+0x45c/0x988 net/core/neighbour.c:640)
 r10:84fb6000 r9:0000e401 r8:848e24c0 r7:84fb6000 r6:827c90fc r5:84b5f780
 r4:82604d40
[<8134bdbc>] (___neigh_create) from [<8134c768>] (__neigh_create+0x24/0x2c net/core/neighbour.c:729)
 r10:eb03c4b4 r9:eb03c410 r8:848e24c0 r7:84fb6000 r6:832c5c00 r5:84b5f780
 r4:00000000
[<8134c744>] (__neigh_create) from [<814c6050>] (ip_neigh_gw4 include/net/route.h:376 [inline])
[<8134c744>] (__neigh_create) from [<814c6050>] (ip_neigh_for_gw include/net/route.h:394 [inline])
[<8134c744>] (__neigh_create) from [<814c6050>] (ip_finish_output2+0x448/0x5dc net/ipv4/ip_output.c:223)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:eb03c410 r8:00000000 r7:0000ffff r6:83390600 r5:848e24c0 r4:84b5f780
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:eb03c410 r8:00000000 r7:848e24c0 r6:83390600 r5:84b5f780 r4:83390600
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:84fb6000 r6:83390600 r5:848e24c0 r4:84b5f780
[<814c7164>] (ip_output) from [<814c97a0>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c97a0>] (ip_local_out net/ipv4/ip_output.c:126 [inline])
[<814c7164>] (ip_output) from [<814c97a0>] (ip_send_skb+0x4c/0xd0 net/ipv4/ip_output.c:1597)
 r8:83390708 r7:848e24c0 r6:83390600 r5:84b5f780 r4:00000001
[<814c9754>] (ip_send_skb) from [<814c9850>] (ip_push_pending_frames+0x2c/0x38 net/ipv4/ip_output.c:1617)
 r7:85b74c24 r6:84b5f780 r5:eb03c3d0 r4:83390600
[<814c9824>] (ip_push_pending_frames) from [<81510294>] (icmp_push_reply+0xec/0x164 net/ipv4/icmp.c:389)
 r5:eb03c3d0 r4:83390600
[<815101a8>] (icmp_push_reply) from [<81510694>] (__icmp_send+0x388/0x49c net/ipv4/icmp.c:770)
 r9:848e24c0 r8:86240138 r7:eb03c3d0 r6:00000004 r5:00000003 r4:84b5fc00
[<8151030c>] (__icmp_send) from [<81510900>] (icmp_ndo_send+0x158/0x164 net/ipv4/icmp.c:793)
 r10:832c5b80 r9:00000000 r8:94050000 r7:00000004 r6:00000003 r5:85dc6800
 r4:84b5fc00
[<815107a8>] (icmp_ndo_send) from [<81537df0>] (tnl_update_pmtu+0x22c/0x248 net/ipv4/ip_tunnel.c:525)
 r9:814bc518 r8:00000594 r7:00000000 r6:00000001 r5:85dc6800 r4:84b5fc00
[<81537bc4>] (tnl_update_pmtu) from [<81539ad4>] (ip_tunnel_xmit+0x33c/0xae4 net/ipv4/ip_tunnel.c:791)
 r9:00000008 r8:00000000 r7:85dc6e80 r6:00000000 r5:85dc6800 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000008 r7:85dc6edc r6:85dc6800 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85dc6800 r6:85dc6edc r5:85dc6800
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85dc6800 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:0000002f r9:832c5a00 r8:824b1288 r7:85a49800 r6:85dc6800 r5:eb03c6a0
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (neigh_direct_output+0x18/0x1c net/core/neighbour.c:1592)
 r10:0000002f r9:832c5a00 r8:848e24c0 r7:85dc6800 r6:832c5a00 r5:84b5fc00
 r4:85bdf000
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (neigh_output include/net/neighbour.h:544 [inline])
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (ip_finish_output2+0x170/0x5dc net/ipv4/ip_output.c:229)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:832c5a00 r8:85ca7000 r7:000005c4 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:832c5a00 r8:85ca7000 r7:848e24c0 r6:00000000 r5:84b5fc00 r4:00000000
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:85dc6800 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c7164>] (ip_output) from [<814c8344>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c8344>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:126)
 r8:848e24c0 r7:00000040 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c8304>] (ip_local_out) from [<8152f850>] (iptunnel_xmit+0x148/0x268 net/ipv4/ip_tunnel_core.c:82)
 r7:00000040 r6:85ca7000 r5:00000000 r4:84b5fc00
[<8152f708>] (iptunnel_xmit) from [<81539f98>] (ip_tunnel_xmit+0x800/0xae4 net/ipv4/ip_tunnel.c:831)
 r10:832c5a00 r9:00000024 r8:00000040 r7:00000000 r6:00000114 r5:85ca7000
 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000008 r7:85ca76dc r6:85ca7000 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85ca7000 r6:85ca76dc r5:85ca7000
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85ca7000 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:0000002f r9:832c5b80 r8:824b1288 r7:85a48e00 r6:85ca7000 r5:eb03c9d8
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (neigh_direct_output+0x18/0x1c net/core/neighbour.c:1592)
 r10:0000002f r9:832c5b80 r8:848e24c0 r7:85ca7000 r6:832c5b80 r5:84b5fc00
 r4:85ba2b00
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (neigh_output include/net/neighbour.h:544 [inline])
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (ip_finish_output2+0x170/0x5dc net/ipv4/ip_output.c:229)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:832c5b80 r8:85dc6800 r7:000005ac r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:832c5b80 r8:85dc6800 r7:848e24c0 r6:00000000 r5:84b5fc00 r4:00000000
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:85ca7000 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c7164>] (ip_output) from [<814c8344>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c8344>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:126)
 r8:848e24c0 r7:00000040 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c8304>] (ip_local_out) from [<8152f850>] (iptunnel_xmit+0x148/0x268 net/ipv4/ip_tunnel_core.c:82)
 r7:00000040 r6:85dc6800 r5:00000000 r4:84b5fc00
[<8152f708>] (iptunnel_xmit) from [<81539f98>] (ip_tunnel_xmit+0x800/0xae4 net/ipv4/ip_tunnel.c:831)
 r10:832c5b80 r9:00000024 r8:00000040 r7:00000000 r6:000000f4 r5:85dc6800
 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000008 r7:85dc6edc r6:85dc6800 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85dc6800 r6:85dc6edc r5:85dc6800
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85dc6800 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:0000002f r9:832c5a00 r8:824b1288 r7:85a49800 r6:85dc6800 r5:eb03cd10
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (neigh_direct_output+0x18/0x1c net/core/neighbour.c:1592)
 r10:0000002f r9:832c5a00 r8:848e24c0 r7:85dc6800 r6:832c5a00 r5:84b5fc00
 r4:85bdf000
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (neigh_output include/net/neighbour.h:544 [inline])
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (ip_finish_output2+0x170/0x5dc net/ipv4/ip_output.c:229)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:832c5a00 r8:85ca7000 r7:000005c4 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:832c5a00 r8:85ca7000 r7:848e24c0 r6:00000000 r5:84b5fc00 r4:00000000
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:85dc6800 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c7164>] (ip_output) from [<814c8344>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c8344>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:126)
 r8:848e24c0 r7:00000040 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c8304>] (ip_local_out) from [<8152f850>] (iptunnel_xmit+0x148/0x268 net/ipv4/ip_tunnel_core.c:82)
 r7:00000040 r6:85ca7000 r5:00000000 r4:84b5fc00
[<8152f708>] (iptunnel_xmit) from [<81539f98>] (ip_tunnel_xmit+0x800/0xae4 net/ipv4/ip_tunnel.c:831)
 r10:832c5a00 r9:00000024 r8:00000040 r7:00000000 r6:000000d4 r5:85ca7000
 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000008 r7:85ca76dc r6:85ca7000 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85ca7000 r6:85ca76dc r5:85ca7000
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85ca7000 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:0000002f r9:832c5b80 r8:824b1288 r7:85a48e00 r6:85ca7000 r5:eb03d048
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (neigh_direct_output+0x18/0x1c net/core/neighbour.c:1592)
 r10:0000002f r9:832c5b80 r8:848e24c0 r7:85ca7000 r6:832c5b80 r5:84b5fc00
 r4:85ba2b00
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (neigh_output include/net/neighbour.h:544 [inline])
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (ip_finish_output2+0x170/0x5dc net/ipv4/ip_output.c:229)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:832c5b80 r8:85dc6800 r7:000005ac r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:832c5b80 r8:85dc6800 r7:848e24c0 r6:00000000 r5:84b5fc00 r4:00000000
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:85ca7000 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c7164>] (ip_output) from [<814c8344>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c8344>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:126)
 r8:848e24c0 r7:00000040 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c8304>] (ip_local_out) from [<8152f850>] (iptunnel_xmit+0x148/0x268 net/ipv4/ip_tunnel_core.c:82)
 r7:00000040 r6:85dc6800 r5:00000000 r4:84b5fc00
[<8152f708>] (iptunnel_xmit) from [<81539f98>] (ip_tunnel_xmit+0x800/0xae4 net/ipv4/ip_tunnel.c:831)
 r10:832c5b80 r9:00000024 r8:00000040 r7:00000000 r6:000000b4 r5:85dc6800
 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000008 r7:85dc6edc r6:85dc6800 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85dc6800 r6:85dc6edc r5:85dc6800
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85dc6800 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:0000002f r9:832c5a00 r8:824b1288 r7:85a49800 r6:85dc6800 r5:eb03d380
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (neigh_direct_output+0x18/0x1c net/core/neighbour.c:1592)
 r10:0000002f r9:832c5a00 r8:848e24c0 r7:85dc6800 r6:832c5a00 r5:84b5fc00
 r4:85bdf000
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (neigh_output include/net/neighbour.h:544 [inline])
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (ip_finish_output2+0x170/0x5dc net/ipv4/ip_output.c:229)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:832c5a00 r8:85ca7000 r7:000005c4 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:832c5a00 r8:85ca7000 r7:848e24c0 r6:00000000 r5:84b5fc00 r4:00000000
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:85dc6800 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c7164>] (ip_output) from [<814c8344>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c8344>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:126)
 r8:848e24c0 r7:00000040 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c8304>] (ip_local_out) from [<8152f850>] (iptunnel_xmit+0x148/0x268 net/ipv4/ip_tunnel_core.c:82)
 r7:00000040 r6:85ca7000 r5:00000000 r4:84b5fc00
[<8152f708>] (iptunnel_xmit) from [<81539f98>] (ip_tunnel_xmit+0x800/0xae4 net/ipv4/ip_tunnel.c:831)
 r10:832c5a00 r9:00000024 r8:00000040 r7:00000000 r6:00000094 r5:85ca7000
 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000008 r7:85ca76dc r6:85ca7000 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85ca7000 r6:85ca76dc r5:85ca7000
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85ca7000 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:0000002f r9:832c5b80 r8:824b1288 r7:85a48e00 r6:85ca7000 r5:eb03d6b8
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (neigh_direct_output+0x18/0x1c net/core/neighbour.c:1592)
 r10:0000002f r9:832c5b80 r8:848e24c0 r7:85ca7000 r6:832c5b80 r5:84b5fc00
 r4:85ba2b00
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (neigh_output include/net/neighbour.h:544 [inline])
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (ip_finish_output2+0x170/0x5dc net/ipv4/ip_output.c:229)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:832c5b80 r8:85dc6800 r7:000005ac r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:832c5b80 r8:85dc6800 r7:848e24c0 r6:00000000 r5:84b5fc00 r4:00000000
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:85ca7000 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c7164>] (ip_output) from [<814c8344>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c8344>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:126)
 r8:848e24c0 r7:00000040 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c8304>] (ip_local_out) from [<8152f850>] (iptunnel_xmit+0x148/0x268 net/ipv4/ip_tunnel_core.c:82)
 r7:00000040 r6:85dc6800 r5:00000000 r4:84b5fc00
[<8152f708>] (iptunnel_xmit) from [<81539f98>] (ip_tunnel_xmit+0x800/0xae4 net/ipv4/ip_tunnel.c:831)
 r10:832c5b80 r9:00000024 r8:00000040 r7:00000000 r6:00000074 r5:85dc6800
 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000008 r7:85dc6edc r6:85dc6800 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85dc6800 r6:85dc6edc r5:85dc6800
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85dc6800 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:0000002f r9:832c5a00 r8:824b1288 r7:85a49800 r6:85dc6800 r5:eb03d9f0
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81345ac4>] (neigh_direct_output+0x18/0x1c net/core/neighbour.c:1592)
 r10:0000002f r9:832c5a00 r8:848e24c0 r7:85dc6800 r6:832c5a00 r5:84b5fc00
 r4:85bdf000
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (neigh_output include/net/neighbour.h:544 [inline])
[<81345aac>] (neigh_direct_output) from [<814c5d78>] (ip_finish_output2+0x170/0x5dc net/ipv4/ip_output.c:229)
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output net/ipv4/ip_output.c:307 [inline])
[<814c5c08>] (ip_finish_output2) from [<814c6fb0>] (__ip_finish_output+0x9c/0x184 net/ipv4/ip_output.c:289)
 r9:832c5a00 r8:85ca7000 r7:000005c4 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c6f14>] (__ip_finish_output) from [<814c70c4>] (ip_finish_output+0x2c/0xcc net/ipv4/ip_output.c:317)
 r9:832c5a00 r8:85ca7000 r7:848e24c0 r6:00000000 r5:84b5fc00 r4:00000000
[<814c7098>] (ip_finish_output) from [<814c723c>] (NF_HOOK_COND include/linux/netfilter.h:292 [inline])
[<814c7098>] (ip_finish_output) from [<814c723c>] (ip_output+0xd8/0x170 net/ipv4/ip_output.c:431)
 r7:85dc6800 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c7164>] (ip_output) from [<814c8344>] (dst_output include/net/dst.h:458 [inline])
[<814c7164>] (ip_output) from [<814c8344>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:126)
 r8:848e24c0 r7:00000040 r6:00000000 r5:848e24c0 r4:84b5fc00
[<814c8304>] (ip_local_out) from [<8152f850>] (iptunnel_xmit+0x148/0x268 net/ipv4/ip_tunnel_core.c:82)
 r7:00000040 r6:85ca7000 r5:00000000 r4:84b5fc00
[<8152f708>] (iptunnel_xmit) from [<81539f98>] (ip_tunnel_xmit+0x800/0xae4 net/ipv4/ip_tunnel.c:831)
 r10:832c5a00 r9:00000024 r8:00000040 r7:00000000 r6:00000054 r5:85ca7000
 r4:84b5fc00
[<81539798>] (ip_tunnel_xmit) from [<8154a978>] (__gre_xmit+0x140/0x234 net/ipv4/ip_gre.c:469)
 r10:00000004 r9:00000000 r8:00000000 r7:85ca76dc r6:85ca7000 r5:84b5fc00
 r4:00000000
[<8154a838>] (__gre_xmit) from [<8154b3a4>] (ipgre_xmit+0x19c/0x22c net/ipv4/ip_gre.c:661)
 r10:8260ee80 r9:00000000 r8:84668bc0 r7:85ca7000 r6:85ca76dc r5:85ca7000
 r4:84b5fc00
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (__netdev_start_xmit include/linux/netdevice.h:4915 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (netdev_start_xmit include/linux/netdevice.h:4929 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (xmit_one net/core/dev.c:3578 [inline])
[<8154b208>] (ipgre_xmit) from [<8133a8f0>] (dev_hard_start_xmit+0xc0/0x2a4 net/core/dev.c:3594)
 r7:85ca7000 r6:00000000 r5:84b5fc00 r4:81c3e0fc
[<8133a830>] (dev_hard_start_xmit) from [<8133b6e4>] (__dev_queue_xmit+0xaf8/0xdc8 net/core/dev.c:4244)
 r10:85934700 r9:85937800 r8:824b1288 r7:85a48e00 r6:85ca7000 r5:eb03dd28
 r4:84b5fc00
[<8133abec>] (__dev_queue_xmit) from [<81633e78>] (dev_queue_xmit include/linux/netdevice.h:3085 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81633e78>] (packet_xmit net/packet/af_packet.c:276 [inline])
[<8133abec>] (__dev_queue_xmit) from [<81633e78>] (packet_xmit+0x9c/0x100 net/packet/af_packet.c:273)
 r10:85934700 r9:85937800 r8:84b5fc00 r7:00000000 r6:85ca7000 r5:00000500
 r4:84b5fc00
[<81633ddc>] (packet_xmit) from [<816375d0>] (packet_snd net/packet/af_packet.c:3081 [inline])
[<81633ddc>] (packet_xmit) from [<816375d0>] (packet_sendmsg+0xec8/0x1448 net/packet/af_packet.c:3113)
 r7:00000000 r6:85ca7000 r5:00000500 r4:85937800
[<81636708>] (packet_sendmsg) from [<8130ce24>] (sock_sendmsg_nosec net/socket.c:724 [inline])
[<81636708>] (packet_sendmsg) from [<8130ce24>] (sock_sendmsg+0x44/0x78 net/socket.c:747)
 r10:00000122 r9:84668bc0 r8:80200288 r7:00000000 r6:85224a00 r5:eb03de98
 r4:00000000
[<8130cde0>] (sock_sendmsg) from [<8130ec74>] (__sys_sendto+0xd0/0x11c net/socket.c:2144)
 r7:00000000 r6:20000200 r5:85224a00 r4:00000000
[<8130eba4>] (__sys_sendto) from [<8130ecdc>] (__do_sys_sendto net/socket.c:2156 [inline])
[<8130eba4>] (__sys_sendto) from [<8130ecdc>] (sys_sendto+0x1c/0x24 net/socket.c:2152)
 r7:00000122 r6:0014c2c4 r5:00000014 r4:20000200
[<8130ecc0>] (sys_sendto) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xeb03dfa8 to 0xeb03dff0)
dfa0:                   20000200 00000014 00000003 20000000 00000500 00000000
dfc0: 20000200 00000014 0014c2c4 00000122 7ee2b3c2 76b886d0 7ee2b534 76b8820c
dfe0: 76b88020 76b88010 00017004 0004dfb0
Code: eafffff1 eb55f8b8 8260c448 e1a0c00d (e92dd870) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	eafffff1 	b	0xffffffcc
   4:	eb55f8b8 	bl	0x157e2ec
   8:	8260c448 	rsbhi	ip, r0, #72, 8	; 0x48000000
   c:	e1a0c00d 	mov	ip, sp
* 10:	e92dd870 	push	{r4, r5, r6, fp, ip, lr, pc} <-- trapping instruction

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/16 22:42 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 Internal error in preempt_count_add
* Struck through repros no longer work on HEAD.