PAX: size overflow detected in function btrfs_sync_file
Posted: Sun Oct 25, 2015 12:20 amThis is a similar report to my last one, which is currently languishing in the moderation queue.
I'm now using Gentoo's hardened-sources-4.2.4. While the frequency of reports appears to be much reduced, they are still present.
I'm now using Gentoo's hardened-sources-4.2.4. While the frequency of reports appears to be much reduced, they are still present.
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[ 501.188692] PAX: size overflow detected in function btrfs_sync_file fs/btrfs/file.c:1871 cicus.685_109 max, count: 289, decl: btrfs_wait_ordered_range; num: 3; context: fndecl;
[ 501.189143] CPU: 1 PID: 4334 Comm: postgres Not tainted 4.2.4-hardened #1
[ 501.189146] Hardware name: LENOVO 766313U/766313U, BIOS 7LETC6WW (2.26 ) 05/11/2009
[ 501.189148] ffffffff820b6ea4 0000000000000000 ffffffff820b6de1 ffffc900033cbd78
[ 501.189152] ffffffff81d43282 ffff88013bd0db00 ffffffff820b6ea4 ffffc900033cbda8
[ 501.189156] ffffffff812376bc 0000000000000000 7fffffffffffffff 7fffffffffffffff
[ 501.189159] Call Trace:
[ 501.189168] [<ffffffff81d43282>] dump_stack+0x45/0x5d
[ 501.189173] [<ffffffff812376bc>] report_size_overflow+0x5c/0x60
[ 501.189178] [<ffffffff8157a189>] btrfs_sync_file+0x89/0x520
[ 501.189182] [<ffffffff81262b14>] vfs_fsync_range+0x54/0xb0
[ 501.189185] [<ffffffff81262bac>] do_fsync+0x3c/0x70
[ 501.189187] [<ffffffff81262c25>] SyS_fsync+0x15/0x30
[ 501.189191] [<ffffffff81d4bf99>] entry_SYSCALL_64_fastpath+0x12/0x83