kernel panic on recent ChromeOS 9432.0.0 (caroline, 3.18 kernel) |
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Issue description
Chrome Version: 59.0.3055.0
OS: 9432.0.0 caroline
What steps will reproduce the problem?
(1) cros flash {dut} xbuddy://remote/caroline/R59-9432.0.0
(2) sign in to ChromeOS as a normal user
(3)
What is the expected result? login works
What happens instead? kernel panic, machine reboots
console-ramoops attached
<snip>
[ 1525.143275] Call Trace:
[ 1525.143284] [<ffffffff8275e6b3>] ? path_openat+0x374/0x51e
[ 1525.143292] [<ffffffff8275fe61>] do_filp_open+0x49/0xad
[ 1525.143301] [<ffffffff82c9dba8>] ? _raw_spin_unlock+0xe/0x21
[ 1525.143308] [<ffffffff8276a431>] ? __alloc_fd+0xe2/0xf4
[ 1525.143316] [<ffffffff827511c1>] do_sys_open+0x86/0x180
[ 1525.143323] [<ffffffff827512d9>] SyS_open+0x1e/0x20
[ 1525.143330] [<ffffffff82c9e29c>] system_call_fastpath+0x1c/0x21
<snip>
Please use labels and text to provide additional information.
Didn't happen with 9431.0.0
I tried wiping stateful partition when I found this, which didn't help.
"Browse as Guest" actually doesn't crash
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Apr 5 2017
Created revert here: https://chromium-review.googlesource.com/#/c/469167/
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Apr 5 2017
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Apr 5 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/5dd2f9ce6c44dab605b3614b5ae4a27a3d0c565e commit 5dd2f9ce6c44dab605b3614b5ae4a27a3d0c565e Author: Kirtika Ruchandani <kirtika@chromium.org> Date: Wed Apr 05 21:00:13 2017 Revert "CHROMIUM: ext4: Copy symlink data from page" This reverts commit b343040dfcc919f7c885304560faead9e3bcc411. This broke login on 3.18 based devices. On a Caroline, attempting to sign in would cause a panic and reboot like so: -- [ 1525.140885] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1525.140897] IP: [< (null)>] (null) [ 1525.140903] PGD 0 [ 1525.140907] Oops: 0010 [#1] PREEMPT SMP [ 1525.143041] gsmi: Log Shutdown Reason 0x03 -- [ 1525.143275] Call Trace: [ 1525.143284] [<ffffffff8275e6b3>] ? path_openat+0x374/0x51e [ 1525.143292] [<ffffffff8275fe61>] do_filp_open+0x49/0xad [ 1525.143301] [<ffffffff82c9dba8>] ? _raw_spin_unlock+0xe/0x21 [ 1525.143308] [<ffffffff8276a431>] ? __alloc_fd+0xe2/0xf4 [ 1525.143316] [<ffffffff827511c1>] do_sys_open+0x86/0x180 [ 1525.143323] [<ffffffff827512d9>] SyS_open+0x1e/0x20 [ 1525.143330] [<ffffffff82c9e29c>] system_call_fastpath+0x1c/0x21 [ 1525.143336] Code: Bad RIP value. [ 1525.143342] RIP [< (null)>] (null) [ 1525.143348] RSP <ffff880072e53d70> [ 1525.143352] CR2: 0000000000000000 [ 1525.143356] ---[ end trace 15ee1972968ef514 ]--- [ 1525.148471] Kernel panic - not syncing: Fatal exception [ 1525.148482] Kernel Offset: 0x1600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1525.148661] gsmi: Log Shutdown Reason 0x02 [ 1525.153886] ACPI MEMORY or I/O RESET_REG. --- After the revert, could login OK. BUG= chromium:708721 TEST=booted on Caroline Change-Id: I339e0258a9d9c1085c744bc9e16219852019de6b Reviewed-on: https://chromium-review.googlesource.com/469167 Trybot-Ready: Kirtika Ruchandani <kirtika@chromium.org> Reviewed-by: Gwendal Grignou <gwendal@chromium.org> Commit-Queue: Gwendal Grignou <gwendal@chromium.org> Tested-by: Kirtika Ruchandani <kirtika@chromium.org> [modify] https://crrev.com/5dd2f9ce6c44dab605b3614b5ae4a27a3d0c565e/fs/ext4/symlink.c |
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Comment 1 by jhorwich@chromium.org
, Apr 5 2017