ci starts bisection 2023-05-12 09:06:50.153273392 +0000 UTC m=+55884.911335782 bisecting cause commit starting from 8ed710da2873c2aeb3bb805864a699affaf1d03b building syzkaller on d88f3abb0873e90df9259d60d5bcd3ad796db6b8 ensuring issue is reproducible on original commit 8ed710da2873c2aeb3bb805864a699affaf1d03b testing commit 8ed710da2873c2aeb3bb805864a699affaf1d03b gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 09aac212d128f057cdb401b0724ffad0f972e9e19aba1b8d9cc814369cdff683 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 58fb976318814b6e1ffe976cdb70b6feac69d3ab383c0eaf2ef739847519e57c all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9eda6f3729f407d75d85229b1a99ecdb672ea48b7d8b4b98854ce89d74c824b7 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b73d9155e33444af4fd68297d7dc79c2a6f867569f4e05825e9d9db85d86bfc7 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c15fe863b875e28676c22a38991036954597252326e6cc56c8c1f43375b63936 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: dee7d0bc3acf58d682e8acdb9988705f6ad3f9f74e01f877a2fdfe282d50a532 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3f381f3a0287db4c9aa274a9224bd0f4b20d79dd4ab0c5fa998b0a277f396e0b all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5f9fa6d71971ee34f48b7350a648c7d4606f8e3daf587bc29a4a92337dcdb327 all runs: OK # git bisect start 8bb7eca972ad531c9b149c0a51ab43a417385813 7d2a07b769330c34b4deabeed939325c77a7ec2f Bisecting: 6693 revisions left to test after this (roughly 13 steps) [477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6] Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm testing commit 477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 899210bc712ff5c944d98905d5b8764cb46ae81b502fb0338ef1c79bc494ff7a all runs: OK # git bisect good 477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6 Bisecting: 3317 revisions left to test after this (roughly 12 steps) [626bf91a292e2035af5b9d9cce35c5c138dfe06d] Merge tag 'net-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 626bf91a292e2035af5b9d9cce35c5c138dfe06d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e7746675c850fbeebc129772c5c604d71fd83e66689593607805d9817798ce66 run #0: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.70:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.70 port 22 timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.40:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.40 port 22 timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.22:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.22 port 22 timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.119:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.119 port 22 timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.42:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.42 port 22 timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.37:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.37 port 22 timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.17:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.17 port 22 timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.146:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.146 port 22 timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.90:./syz-execprog"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.0.90 port 22 timed out lost connection run #9: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr # git bisect bad 626bf91a292e2035af5b9d9cce35c5c138dfe06d Bisecting: 1702 revisions left to test after this (roughly 11 steps) [23852bec534a1633dc08f4df88b8493ae99953a9] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit 23852bec534a1633dc08f4df88b8493ae99953a9 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 170d73100aed639b9d6d59158bc8df0ade47303127f6ff5bd537ea0ca4e716c0 all runs: OK # git bisect good 23852bec534a1633dc08f4df88b8493ae99953a9 Bisecting: 869 revisions left to test after this (roughly 10 steps) [55d1308bdff7341b778e5cf36220616a0dd6ab8f] cdrom: update uniform CD-ROM maintainership in MAINTAINERS file testing commit 55d1308bdff7341b778e5cf36220616a0dd6ab8f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2f6e35238c91adc2680c49b0d7a3632d86ea57dbd5993fea70927e97fac037e1 all runs: OK # git bisect good 55d1308bdff7341b778e5cf36220616a0dd6ab8f Bisecting: 434 revisions left to test after this (roughly 9 steps) [3754707bcc3e190e5dadc978d172b61e809cb3bd] Revert "memcg: enable accounting for file lock caches" testing commit 3754707bcc3e190e5dadc978d172b61e809cb3bd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 6c61bddec11c27f2f54f3ab877e07bac1cc788e9c185b3d64a157c9f2d6281b4 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr # git bisect bad 3754707bcc3e190e5dadc978d172b61e809cb3bd Bisecting: 200 revisions left to test after this (roughly 8 steps) [e07af2626643293fa16df655979e7963250abc63] Merge tag 'arc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc testing commit e07af2626643293fa16df655979e7963250abc63 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 83216c8b4eeba36e96260a8af7bf26bc38e857a35a2f004da131ac3edf70c12e all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr # git bisect bad e07af2626643293fa16df655979e7963250abc63 Bisecting: 109 revisions left to test after this (roughly 7 steps) [f7464060f7ab9a2424428008f0ee9f1e267e410f] Merge git://github.com/Paragon-Software-Group/linux-ntfs3 testing commit f7464060f7ab9a2424428008f0ee9f1e267e410f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: eea01f208066d627159999ad941e01bcc7220017b0a3aae04d1cb64113baf007 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr # git bisect bad f7464060f7ab9a2424428008f0ee9f1e267e410f Bisecting: 77 revisions left to test after this (roughly 6 steps) [9605f75cf36e0bcc0f4ada07b5be712d30107607] f2fs: should put a page beyond EOF when preparing a write testing commit 9605f75cf36e0bcc0f4ada07b5be712d30107607 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 75d494c3e8d12157d579c2a8de175f7cbdf0aee4f536ec6f90939471410a0c0a all runs: OK # git bisect good 9605f75cf36e0bcc0f4ada07b5be712d30107607 Bisecting: 38 revisions left to test after this (roughly 5 steps) [8cfb9015280d49f9d92d5b0f88cedf5f0856c0fd] NFS: Always provide aligned buffers to the RPC read layers testing commit 8cfb9015280d49f9d92d5b0f88cedf5f0856c0fd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a443d769c519bdf33c986aa9dd54d73b0d8851746b0d00d409f57a4a6c314dab all runs: OK # git bisect good 8cfb9015280d49f9d92d5b0f88cedf5f0856c0fd Bisecting: 19 revisions left to test after this (roughly 4 steps) [1263eddfea9988125a4b9608efecc8aff2c721f9] fs/ntfs3: Remove unused including testing commit 1263eddfea9988125a4b9608efecc8aff2c721f9 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: cdfe0d94a4efe2630c95c40894236509817364cb7d5ee6a9cac7c86a307fe3f8 all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr # git bisect bad 1263eddfea9988125a4b9608efecc8aff2c721f9 Bisecting: 9 revisions left to test after this (roughly 3 steps) [6e5be40d32fb1907285277c02e74493ed43d77fe] fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile testing commit 6e5be40d32fb1907285277c02e74493ed43d77fe gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a118f29882e8b429e0301fedf47c01d453ffbb0941a5c9583a5c4da08715a0ac all runs: crashed: KASAN: slab-out-of-bounds Read in ntfs_listxattr # git bisect bad 6e5be40d32fb1907285277c02e74493ed43d77fe Bisecting: 4 revisions left to test after this (roughly 2 steps) [4342306f0f0d5ff4315a204d315c1b51b914fca5] fs/ntfs3: Add file operations and implementation testing commit 4342306f0f0d5ff4315a204d315c1b51b914fca5 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f62104ce893c4f3df44de9ea7495828dbdfe4998f7d70b6a014a309fa2ef21a9 all runs: OK # git bisect good 4342306f0f0d5ff4315a204d315c1b51b914fca5 Bisecting: 2 revisions left to test after this (roughly 1 step) [522e010b58379fbe19b38fdef5016bca0c3cf405] fs/ntfs3: Add compression testing commit 522e010b58379fbe19b38fdef5016bca0c3cf405 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f62104ce893c4f3df44de9ea7495828dbdfe4998f7d70b6a014a309fa2ef21a9 all runs: OK # git bisect good 522e010b58379fbe19b38fdef5016bca0c3cf405 Bisecting: 0 revisions left to test after this (roughly 1 step) [12dad495eaab95e0bb784c43869073617c513ea4] fs/ntfs3: Add Kconfig, Makefile and doc testing commit 12dad495eaab95e0bb784c43869073617c513ea4 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f62104ce893c4f3df44de9ea7495828dbdfe4998f7d70b6a014a309fa2ef21a9 all runs: OK # git bisect good 12dad495eaab95e0bb784c43869073617c513ea4 6e5be40d32fb1907285277c02e74493ed43d77fe is the first bad commit commit 6e5be40d32fb1907285277c02e74493ed43d77fe Author: Konstantin Komarov Date: Fri Aug 13 17:21:30 2021 +0300 fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile This adds NTFS3 in fs/Kconfig and fs/Makefile Signed-off-by: Konstantin Komarov fs/Kconfig | 1 + fs/Makefile | 1 + 2 files changed, 2 insertions(+) culprit signature: a118f29882e8b429e0301fedf47c01d453ffbb0941a5c9583a5c4da08715a0ac parent signature: f62104ce893c4f3df44de9ea7495828dbdfe4998f7d70b6a014a309fa2ef21a9 revisions tested: 22, total time: 4h58m2.787983717s (build: 2h53m29.505290951s, test: 2h0m51.821031686s) first bad commit: 6e5be40d32fb1907285277c02e74493ed43d77fe fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile recipients (to): ["almaz.alexandrovich@paragon-software.com"] recipients (cc): [] crash: KASAN: slab-out-of-bounds Read in ntfs_listxattr loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size and media sector size ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:183 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x32a/0x3c0 fs/ntfs3/xattr.c:803 Read of size 1 at addr ffff88802954d2bd by task syz-executor.0/5802 CPU: 0 PID: 5802 Comm: syz-executor.0 Not tainted 5.14.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:105 print_address_description.constprop.0.cold+0x6c/0x2d6 mm/kasan/report.c:233 __kasan_report mm/kasan/report.c:419 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:436 ntfs_list_ea fs/ntfs3/xattr.c:183 [inline] ntfs_listxattr+0x32a/0x3c0 fs/ntfs3/xattr.c:803 listxattr+0xa1/0xf0 fs/xattr.c:747 path_listxattr+0x93/0xf0 fs/xattr.c:771 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff9cbc4c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff9cafbe168 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3 RAX: ffffffffffffffda RBX: 00007ff9cbd6bf80 RCX: 00007ff9cbc4c0d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 00007ff9cbca7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1fe2a93f R14: 00007ff9cafbe300 R15: 0000000000022000 Allocated by task 5802: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] ____kasan_kmalloc mm/kasan/common.c:472 [inline] __kasan_kmalloc+0x98/0xc0 mm/kasan/common.c:522 kasan_kmalloc include/linux/kasan.h:264 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc+0x214/0x4d0 mm/slab.c:3711 kmalloc include/linux/slab.h:596 [inline] ntfs_read_ea+0x39c/0x860 fs/ntfs3/xattr.c:113 ntfs_list_ea fs/ntfs3/xattr.c:169 [inline] ntfs_listxattr+0x151/0x3c0 fs/ntfs3/xattr.c:803 listxattr+0xa1/0xf0 fs/xattr.c:747 path_listxattr+0x93/0xf0 fs/xattr.c:771 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae The buggy address belongs to the object at ffff88802954d280 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 61 bytes inside of 64-byte region [ffff88802954d280, ffff88802954d2c0) The buggy address belongs to the page: page:ffffea0000a55340 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2954d flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea0000a99a48 ffffea0000726708 ffff888010840200 raw: 0000000000000000 ffff88802954d000 0000000100000020 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2420c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_COMP|__GFP_THISNODE), pid 8, ts 11245018021, free_ts 0 prep_new_page mm/page_alloc.c:2436 [inline] get_page_from_freelist+0xa72/0x2f80 mm/page_alloc.c:4169 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5391 __alloc_pages_node include/linux/gfp.h:570 [inline] kmem_getpages mm/slab.c:1377 [inline] cache_grow_begin+0x75/0x460 mm/slab.c:2593 cache_alloc_refill+0x27f/0x380 mm/slab.c:2965 ____cache_alloc mm/slab.c:3048 [inline] ____cache_alloc mm/slab.c:3031 [inline] slab_alloc_node mm/slab.c:3249 [inline] kmem_cache_alloc_node_trace+0x4ca/0x5d0 mm/slab.c:3617 __do_kmalloc_node mm/slab.c:3639 [inline] __kmalloc_node+0x38/0x60 mm/slab.c:3647 kmalloc_node include/linux/slab.h:614 [inline] __vmalloc_area_node mm/vmalloc.c:2849 [inline] __vmalloc_node_range+0x531/0x7e0 mm/vmalloc.c:2966 alloc_thread_stack_node kernel/fork.c:245 [inline] dup_task_struct kernel/fork.c:875 [inline] copy_process+0x6fc/0x6960 kernel/fork.c:1952 kernel_clone+0xb8/0x7f0 kernel/fork.c:2509 kernel_thread+0xa3/0xe0 kernel/fork.c:2561 call_usermodehelper_exec_work kernel/umh.c:174 [inline] call_usermodehelper_exec_work+0xa4/0x140 kernel/umh.c:160 process_one_work+0x84c/0x13d0 kernel/workqueue.c:2276 worker_thread+0x598/0x1040 kernel/workqueue.c:2422 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 page_owner free stack trace missing Memory state around the buggy address: ffff88802954d180: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88802954d200: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff88802954d280: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc ^ ffff88802954d300: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88802954d380: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ==================================================================