Size overflow in do_readpage fs/btrfs/extent_io.c:2969
Posted: Fri Oct 07, 2016 7:27 pm
With Gentoo's hardened-sources on an Raspberry Pi 2.
- Code: Select all
[ 1088.114360] PAX: size overflow detected in function __do_readpage fs/btrfs/extent_io.c:2969 cicus.1132_525 max, count: 187, decl: submit_extent_page; num: 6; context: fndecl;
[ 1088.123185] CPU: 2 PID: 1617 Comm: patch Not tainted 4.7.3-hardened-v7 #1
[ 1088.123201] Hardware name: BCM2835
[ 1088.123215] Backtrace:
[ 1088.123261] [<8010d6d8>] (dump_backtrace+0x0/0x118) from [<8010d880>] (show_stack+0x18/0x1c)
[ 1088.123274] r7:600d0013 r6:80b20254 r5:80b03788 r4:00000000
[ 1088.123318] [<8010d868>] (show_stack+0x0/0x1c) from [<80445ecc>] (dump_stack+0xac/0xe0)
[ 1088.123344] [<80445e20>] (dump_stack+0x0/0xe0) from [<80221364>] (report_size_overflow+0x80/0x90)
[ 1088.123355] r7:8090b5b4 r6:00000b99 r5:8090ade4 r4:80999720
[ 1088.123394] [<802212e4>] (report_size_overflow+0x0/0x90) from [<8036caf0>] (__do_readpage+0xe6c/0xf0c)
[ 1088.123405] r8:910c7078 r7:00000000 r6:00000000 r5:ffffffff r4:ffffffff
[ 1088.123448] [<8036bc84>] (__do_readpage+0x0/0xf0c) from [<8036d078>] (__extent_readpages.constprop.15+0x3a4/0x3f8)
[ 1088.123459] r10:9e65e970 r9:bb757ce8 r8:bb757ce0 r7:bb757cdc r6:00000000 r5:bb757cf4
[ 1088.123492] r4:00000000
[ 1088.123515] [<8036ccd4>] (__extent_readpages.constprop.15+0x0/0x3f8) from [<8036dd04>] (extent_readpages+0x1e0/0x1ec)
[ 1088.123526] r10:00000001 r9:9e65eb40 r8:bb757d94 r7:00000001 r6:00000001 r5:bdd59694
[ 1088.123559] r4:bdd596a8
[ 1088.123586] [<8036db24>] (extent_readpages+0x0/0x1ec) from [<8034510c>] (btrfs_readpages+0x28/0x30)
[ 1088.123597] r10:bdd59694 r9:9e65eb40 r8:00000000 r7:00000001 r6:803450e4 r5:00000001
[ 1088.123630] r4:00000001
[ 1088.123660] [<803450e4>] (btrfs_readpages+0x0/0x30) from [<801cb76c>] (__do_page_cache_readahead+0x174/0x288)
[ 1088.123684] [<801cb5f8>] (__do_page_cache_readahead+0x0/0x288) from [<801cb990>] (ondemand_readahead+0x110/0x288)
[ 1088.123695] r10:bd39da80 r9:9e65eb40 r8:00000400 r7:00000000 r6:9e65eb40 r5:00000000
[ 1088.123729] r4:bd39dac0
[ 1088.123754] [<801cb880>] (ondemand_readahead+0x0/0x288) from [<801cbc6c>] (page_cache_sync_readahead+0x54/0x74)
[ 1088.123765] r10:9e65eaa0 r9:bd39da80 r8:00000000 r7:00000000 r6:9e65eb40 r5:00000001
[ 1088.123797] r4:00000000
[ 1088.123826] [<801cbc18>] (page_cache_sync_readahead+0x0/0x74) from [<801be600>] (generic_file_read_iter+0x7d4/0xb10)
[ 1088.123853] [<801bde2c>] (generic_file_read_iter+0x0/0xb10) from [<802176fc>] (__vfs_read+0xe0/0x130)
[ 1088.123864] r10:00000e76 r9:0bcb40d8 r8:bb757f68 r7:00000000 r6:00000000 r5:bd39da80
[ 1088.123897] r4:80b03788
[ 1088.123921] [<8021761c>] (__vfs_read+0x0/0x130) from [<802177dc>] (vfs_read+0x90/0x170)
[ 1088.123932] r9:0bcb40d8 r8:bd39da80 r7:bb757f68 r6:0bcb40d8 r5:bd39da80 r4:00000e76
[ 1088.123979] [<8021774c>] (vfs_read+0x0/0x170) from [<80217d6c>] (sys_read+0x54/0xb4)
[ 1088.123989] r9:0bcb40d8 r8:bd39da80 r7:00000000 r6:00000000 r5:bd39da80 r4:80b03788
[ 1088.124037] [<80217d18>] (sys_read+0x0/0xb4) from [<80108460>] (ret_fast_syscall+0x0/0x70)
[ 1088.124047] r10:00000000 r9:bb756000 r8:801086c4 r7:00000003 r6:0b654cf8 r5:00000e76
[ 1088.124080] r4:00000000
[ 1088.191703] PAX: size overflow detected in function __do_readpage fs/btrfs/extent_io.c:2969 cicus.1132_525 max, count: 187, decl: submit_extent_page; num: 6; context: fndecl;
[ 1088.200678] CPU: 1 PID: 1619 Comm: patch Not tainted 4.7.3-hardened-v7 #1
[ 1088.200692] Hardware name: BCM2835
[ 1088.200704] Backtrace:
[ 1088.200751] [<8010d6d8>] (dump_backtrace+0x0/0x118) from [<8010d880>] (show_stack+0x18/0x1c)
[ 1088.200763] r7:60070013 r6:80b20254 r5:80b03788 r4:00000000
[ 1088.200807] [<8010d868>] (show_stack+0x0/0x1c) from [<80445ecc>] (dump_stack+0xac/0xe0)
[ 1088.200833] [<80445e20>] (dump_stack+0x0/0xe0) from [<80221364>] (report_size_overflow+0x80/0x90)
[ 1088.200844] r7:8090b5b4 r6:00000b99 r5:8090ade4 r4:80999720
[ 1088.200884] [<802212e4>] (report_size_overflow+0x0/0x90) from [<8036caf0>] (__do_readpage+0xe6c/0xf0c)
[ 1088.200895] r8:8ed4c9d8 r7:00000000 r6:00000000 r5:ffffffff r4:ffffffff
[ 1088.200937] [<8036bc84>] (__do_readpage+0x0/0xf0c) from [<8036d078>] (__extent_readpages.constprop.15+0x3a4/0x3f8)
[ 1088.200949] r10:ac02f1b0 r9:ab71dce8 r8:ab71dce0 r7:ab71dcdc r6:00000000 r5:ab71dcf4
[ 1088.200982] r4:00000000
[ 1088.201005] [<8036ccd4>] (__extent_readpages.constprop.15+0x0/0x3f8) from [<8036dd04>] (extent_readpages+0x1e0/0x1ec)
[ 1088.201015] r10:00000001 r9:ac02f380 r8:ab71dd94 r7:00000001 r6:00000001 r5:bdf84340
[ 1088.201049] r4:bdf84354
[ 1088.201074] [<8036db24>] (extent_readpages+0x0/0x1ec) from [<8034510c>] (btrfs_readpages+0x28/0x30)
[ 1088.201085] r10:bdf84340 r9:ac02f380 r8:00000000 r7:00000001 r6:803450e4 r5:00000001
[ 1088.201118] r4:00000001
[ 1088.201146] [<803450e4>] (btrfs_readpages+0x0/0x30) from [<801cb76c>] (__do_page_cache_readahead+0x174/0x288)
[ 1088.201169] [<801cb5f8>] (__do_page_cache_readahead+0x0/0x288) from [<801cb990>] (ondemand_readahead+0x110/0x288)
[ 1088.201180] r10:bc946540 r9:ac02f380 r8:00000400 r7:00000000 r6:ac02f380 r5:00000000
[ 1088.201214] r4:bc946580
[ 1088.201240] [<801cb880>] (ondemand_readahead+0x0/0x288) from [<801cbc6c>] (page_cache_sync_readahead+0x54/0x74)
[ 1088.201251] r10:ac02f2e0 r9:bc946540 r8:00000000 r7:00000000 r6:ac02f380 r5:00000001
[ 1088.201284] r4:00000000
[ 1088.201311] [<801cbc18>] (page_cache_sync_readahead+0x0/0x74) from [<801be600>] (generic_file_read_iter+0x7d4/0xb10)
[ 1088.201337] [<801bde2c>] (generic_file_read_iter+0x0/0xb10) from [<802176fc>] (__vfs_read+0xe0/0x130)
[ 1088.201348] r10:000008d4 r9:04fdb438 r8:ab71df68 r7:00000000 r6:00000000 r5:bc946540
[ 1088.201381] r4:80b03788
[ 1088.201405] [<8021761c>] (__vfs_read+0x0/0x130) from [<802177dc>] (vfs_read+0x90/0x170)
[ 1088.201416] r9:04fdb438 r8:bc946540 r7:ab71df68 r6:04fdb438 r5:bc946540 r4:000008d4
[ 1088.201462] [<8021774c>] (vfs_read+0x0/0x170) from [<80217d6c>] (sys_read+0x54/0xb4)
[ 1088.201473] r9:04fdb438 r8:bc946540 r7:00000000 r6:00000000 r5:bc946540 r4:80b03788
[ 1088.201521] [<80217d18>] (sys_read+0x0/0xb4) from [<80108460>] (ret_fast_syscall+0x0/0x70)
[ 1088.201532] r10:00000000 r9:ab71c000 r8:801086c4 r7:00000003 r6:01fc7cf8 r5:000008d4
[ 1088.201565] r4:00000000
[ 1088.259822] PAX: size overflow detected in function __do_readpage fs/btrfs/extent_io.c:2969 cicus.1132_525 max, count: 187, decl: submit_extent_page; num: 6; context: fndecl;
[ 1088.268712] CPU: 2 PID: 1622 Comm: patch Not tainted 4.7.3-hardened-v7 #1
[ 1088.268727] Hardware name: BCM2835
[ 1088.268740] Backtrace:
[ 1088.268786] [<8010d6d8>] (dump_backtrace+0x0/0x118) from [<8010d880>] (show_stack+0x18/0x1c)
[ 1088.268799] r7:60070013 r6:80b20254 r5:80b03788 r4:00000000
[ 1088.268844] [<8010d868>] (show_stack+0x0/0x1c) from [<80445ecc>] (dump_stack+0xac/0xe0)
[ 1088.268870] [<80445e20>] (dump_stack+0x0/0xe0) from [<80221364>] (report_size_overflow+0x80/0x90)
[ 1088.268881] r7:8090b5b4 r6:00000b99 r5:8090ade4 r4:80999720
[ 1088.268921] [<802212e4>] (report_size_overflow+0x0/0x90) from [<8036caf0>] (__do_readpage+0xe6c/0xf0c)
[ 1088.268932] r8:910c7ac8 r7:00000000 r6:00000000 r5:ffffffff r4:ffffffff
[ 1088.268974] [<8036bc84>] (__do_readpage+0x0/0xf0c) from [<8036d078>] (__extent_readpages.constprop.15+0x3a4/0x3f8)
[ 1088.268986] r10:a88cc870 r9:bb757ce8 r8:bb757ce0 r7:bb757cdc r6:00000000 r5:bb757cf4
[ 1088.269019] r4:00000000
[ 1088.269042] [<8036ccd4>] (__extent_readpages.constprop.15+0x0/0x3f8) from [<8036dd04>] (extent_readpages+0x1e0/0x1ec)
[ 1088.269052] r10:00000001 r9:a88cca40 r8:bb757d94 r7:00000001 r6:00000001 r5:bdcef5a8
[ 1088.269085] r4:bdcef5bc
[ 1088.269113] [<8036db24>] (extent_readpages+0x0/0x1ec) from [<8034510c>] (btrfs_readpages+0x28/0x30)
[ 1088.269124] r10:bdcef5a8 r9:a88cca40 r8:00000000 r7:00000001 r6:803450e4 r5:00000001
[ 1088.269156] r4:00000001
[ 1088.269186] [<803450e4>] (btrfs_readpages+0x0/0x30) from [<801cb76c>] (__do_page_cache_readahead+0x174/0x288)
[ 1088.269210] [<801cb5f8>] (__do_page_cache_readahead+0x0/0x288) from [<801cb990>] (ondemand_readahead+0x110/0x288)
[ 1088.269221] r10:9c8c7a80 r9:a88cca40 r8:00000400 r7:00000000 r6:a88cca40 r5:00000000
[ 1088.269254] r4:9c8c7ac0
[ 1088.269279] [<801cb880>] (ondemand_readahead+0x0/0x288) from [<801cbc6c>] (page_cache_sync_readahead+0x54/0x74)
[ 1088.269290] r10:a88cc9a0 r9:9c8c7a80 r8:00000000 r7:00000000 r6:a88cca40 r5:00000001
[ 1088.269323] r4:00000000
[ 1088.269352] [<801cbc18>] (page_cache_sync_readahead+0x0/0x74) from [<801be600>] (generic_file_read_iter+0x7d4/0xb10)
[ 1088.269379] [<801bde2c>] (generic_file_read_iter+0x0/0xb10) from [<802176fc>] (__vfs_read+0xe0/0x130)
[ 1088.269390] r10:000002d4 r9:047dcb28 r8:bb757f68 r7:00000000 r6:00000000 r5:9c8c7a80
[ 1088.269423] r4:80b03788
[ 1088.269447] [<8021761c>] (__vfs_read+0x0/0x130) from [<802177dc>] (vfs_read+0x90/0x170)
[ 1088.269458] r9:047dcb28 r8:9c8c7a80 r7:bb757f68 r6:047dcb28 r5:9c8c7a80 r4:000002d4
[ 1088.269504] [<8021774c>] (vfs_read+0x0/0x170) from [<80217d6c>] (sys_read+0x54/0xb4)
[ 1088.269515] r9:047dcb28 r8:9c8c7a80 r7:00000000 r6:00000000 r5:9c8c7a80 r4:80b03788
[ 1088.269562] [<80217d18>] (sys_read+0x0/0xb4) from [<80108460>] (ret_fast_syscall+0x0/0x70)
[ 1088.269573] r10:00000000 r9:bb756000 r8:801086c4 r7:00000003 r6:03beecf8 r5:000002d4
[ 1088.269606] r4:00000000
[ 1088.851707] PAX: size overflow detected in function __do_readpage fs/btrfs/extent_io.c:2969 cicus.1132_525 max, count: 187, decl: submit_extent_page; num: 6; context: fndecl;
[ 1088.860584] CPU: 3 PID: 1624 Comm: patch Not tainted 4.7.3-hardened-v7 #1
[ 1088.860603] Hardware name: BCM2835
[ 1088.860616] Backtrace:
[ 1088.860663] [<8010d6d8>] (dump_backtrace+0x0/0x118) from [<8010d880>] (show_stack+0x18/0x1c)
[ 1088.860676] r7:60070013 r6:80b20254 r5:80b03788 r4:00000000
[ 1088.860720] [<8010d868>] (show_stack+0x0/0x1c) from [<80445ecc>] (dump_stack+0xac/0xe0)
[ 1088.860746] [<80445e20>] (dump_stack+0x0/0xe0) from [<80221364>] (report_size_overflow+0x80/0x90)
[ 1088.860757] r7:8090b5b4 r6:00000b99 r5:8090ade4 r4:80999720
[ 1088.860797] [<802212e4>] (report_size_overflow+0x0/0x90) from [<8036caf0>] (__do_readpage+0xe6c/0xf0c)
[ 1088.860808] r8:8ff9a078 r7:00000000 r6:00000000 r5:ffffffff r4:ffffffff
[ 1088.860851] [<8036bc84>] (__do_readpage+0x0/0xf0c) from [<8036d078>] (__extent_readpages.constprop.15+0x3a4/0x3f8)
[ 1088.860862] r10:b28ff470 r9:8c337ce8 r8:8c337ce0 r7:8c337cdc r6:00000000 r5:8c337cf4
[ 1088.860895] r4:00000000
[ 1088.860918] [<8036ccd4>] (__extent_readpages.constprop.15+0x0/0x3f8) from [<8036dd04>] (extent_readpages+0x1e0/0x1ec)
[ 1088.860929] r10:00000001 r9:b28ff640 r8:8c337d94 r7:00000001 r6:00000001 r5:bd906f70
[ 1088.860962] r4:bd906f84
[ 1088.860988] [<8036db24>] (extent_readpages+0x0/0x1ec) from [<8034510c>] (btrfs_readpages+0x28/0x30)
[ 1088.860999] r10:bd906f70 r9:b28ff640 r8:00000000 r7:00000001 r6:803450e4 r5:00000001
[ 1088.861032] r4:00000001
[ 1088.861060] [<803450e4>] (btrfs_readpages+0x0/0x30) from [<801cb76c>] (__do_page_cache_readahead+0x174/0x288)
[ 1088.861084] [<801cb5f8>] (__do_page_cache_readahead+0x0/0x288) from [<801cb990>] (ondemand_readahead+0x110/0x288)
[ 1088.861095] r10:9de47840 r9:b28ff640 r8:00000400 r7:00000000 r6:b28ff640 r5:00000000
[ 1088.861129] r4:9de47880
[ 1088.861155] [<801cb880>] (ondemand_readahead+0x0/0x288) from [<801cbc6c>] (page_cache_sync_readahead+0x54/0x74)
[ 1088.861166] r10:b28ff5a0 r9:9de47840 r8:00000000 r7:00000000 r6:b28ff640 r5:00000001
[ 1088.861199] r4:00000000
[ 1088.861228] [<801cbc18>] (page_cache_sync_readahead+0x0/0x74) from [<801be600>] (generic_file_read_iter+0x7d4/0xb10)
[ 1088.861255] [<801bde2c>] (generic_file_read_iter+0x0/0xb10) from [<802176fc>] (__vfs_read+0xe0/0x130)
[ 1088.861268] r10:00000450 r9:0af10688 r8:8c337f68 r7:00000000 r6:00000000 r5:9de47840
[ 1088.861302] r4:80b03788
[ 1088.861327] [<8021761c>] (__vfs_read+0x0/0x130) from [<802177dc>] (vfs_read+0x90/0x170)
[ 1088.861338] r9:0af10688 r8:9de47840 r7:8c337f68 r6:0af10688 r5:9de47840 r4:00000450
[ 1088.861390] [<8021774c>] (vfs_read+0x0/0x170) from [<80217d6c>] (sys_read+0x54/0xb4)
[ 1088.861401] r9:0af10688 r8:9de47840 r7:00000000 r6:00000000 r5:9de47840 r4:80b03788
[ 1088.861450] [<80217d18>] (sys_read+0x0/0xb4) from [<80108460>] (ret_fast_syscall+0x0/0x70)
[ 1088.861461] r10:00000000 r9:8c336000 r8:801086c4 r7:00000003 r6:085e3cf8 r5:00000450
[ 1088.861496] r4:00000000