bisecting cause commit starting from 5287773dba0d5228c9714827b7ba9153b863e2b3 building syzkaller on e2d91b1d0dd8c8b4760986ec8114469246022bb8 testing commit 5287773dba0d5228c9714827b7ba9153b863e2b3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 13ac5a7b4a243f49ef9b96c94ce5f79a48496b6f2579edf3c8a06a3b0f504cb9 run #0: crashed: BUG: stack guard page was hit in sys_mkdir run #1: crashed: BUG: stack guard page was hit in corrupted run #2: crashed: BUG: stack guard page was hit in sys_mkdir run #3: crashed: BUG: stack guard page was hit in sys_mkdir run #4: crashed: BUG: stack guard page was hit in sys_mkdir run #5: crashed: BUG: stack guard page was hit in sys_mkdir run #6: crashed: BUG: stack guard page was hit in sys_mkdir run #7: crashed: BUG: stack guard page was hit in corrupted run #8: crashed: BUG: stack guard page was hit in sys_mkdir run #9: crashed: BUG: stack guard page was hit in sys_mkdir run #10: crashed: BUG: stack guard page was hit in sys_mkdir run #11: crashed: BUG: stack guard page was hit in sys_mkdir run #12: crashed: BUG: stack guard page was hit in sys_mkdir run #13: crashed: BUG: stack guard page was hit in sys_mkdir run #14: crashed: BUG: stack guard page was hit in sys_mkdir run #15: crashed: BUG: stack guard page was hit in sys_mkdir run #16: crashed: BUG: stack guard page was hit in sys_mkdir run #17: crashed: BUG: stack guard page was hit in sys_mkdir run #18: crashed: BUG: stack guard page was hit in sys_mkdir run #19: crashed: BUG: stack guard page was hit in sys_mkdir testing release v5.10.106 testing commit 327f1e7d813c77eceadafbdc498f5eb680fd9fb2 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9e99151e8339da899a5449e817f56a9abb340f6a45a2f94d93bccf5970087475 all runs: OK # git bisect start 5287773dba0d5228c9714827b7ba9153b863e2b3 327f1e7d813c77eceadafbdc498f5eb680fd9fb2 Bisecting: 2820 revisions left to test after this (roughly 12 steps) [9346eaec14ab233535b3025ebcd6c78e96aa65e4] FROMGIT: kasan: add a test for kmem_cache_alloc/free_bulk testing commit 9346eaec14ab233535b3025ebcd6c78e96aa65e4 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 58c5f7ef974495aa2d009b255584f62d9c86e16dde0a9e63d6a5a8b545537c96 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 9346eaec14ab233535b3025ebcd6c78e96aa65e4 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [13aefe4bf83adbb2e00d7c716541ad51dcb1200d] BACKPORT: kasan: remove redundant config option testing commit 13aefe4bf83adbb2e00d7c716541ad51dcb1200d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 65d185a445ac0ba5805952a305f4035b569c5e54ed9c1ab25915e99fd48f2288 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 13aefe4bf83adbb2e00d7c716541ad51dcb1200d Bisecting: 2818 revisions left to test after this (roughly 12 steps) [5cf9a844f6f9ca929b6a513345db4ac521da68f9] ANDROID: dts: hi3660-hikey960: Add usb mux hub for hikey960 testing commit 5cf9a844f6f9ca929b6a513345db4ac521da68f9 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 564a6836a25cc5f25b5b4aa3b2bbfb92f03c67919cd13e51278284ccd2ee73a6 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 5cf9a844f6f9ca929b6a513345db4ac521da68f9 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [852e4c4f82715aee7829b3958ae44172e69c1662] ANDROID: Revert "drm/virtio: Call the right shmem helpers" testing commit 852e4c4f82715aee7829b3958ae44172e69c1662 compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 78c649b7cc6a9301b9fa91ac846f0897d5d5095f6f73e779540e69278f9e471e all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 852e4c4f82715aee7829b3958ae44172e69c1662 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [5ea1ff037ee9a0dfacd8a5424cf146cddc9bc596] FROMGIT: arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line testing commit 5ea1ff037ee9a0dfacd8a5424cf146cddc9bc596 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 mm/memory.c:4800:10: error: assignment of member 'vma' in read-only object mm/memory.c:4942:12: error: assignment of member 'pgoff' in read-only object mm/memory.c:4943:15: error: assignment of member 'gfp_mask' in read-only object # git bisect skip 5ea1ff037ee9a0dfacd8a5424cf146cddc9bc596 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [900900ef8988b195e8c1d7c8296ae3c7dce5e3c5] ANDROID: Incremental fs: Remove attributes from file testing commit 900900ef8988b195e8c1d7c8296ae3c7dce5e3c5 compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c9e78d8d5f69e5633ac1521df8e155cded133fe973de1dc8eefd938d0ad381f5 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 900900ef8988b195e8c1d7c8296ae3c7dce5e3c5 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [5fe4f2978dca799e7dc41c6273e1a992f8f1f984] UPSTREAM: soc: meson: enable building drivers as modules testing commit 5fe4f2978dca799e7dc41c6273e1a992f8f1f984 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 mm/memory.c:4800:10: error: assignment of member 'vma' in read-only object mm/memory.c:4942:12: error: assignment of member 'pgoff' in read-only object mm/memory.c:4943:15: error: assignment of member 'gfp_mask' in read-only object # git bisect skip 5fe4f2978dca799e7dc41c6273e1a992f8f1f984 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [3a11b451ab1975b305aa704bc2b31ff217a729bf] Revert "ANDROID: include: uapi: drm: add additional QCOM modifiers" testing commit 3a11b451ab1975b305aa704bc2b31ff217a729bf compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7b06e8c08e95e8a1f8b791c28e080a4ccdf08ad435dce32a5720e32ffe26cb21 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 3a11b451ab1975b305aa704bc2b31ff217a729bf Bisecting: 2818 revisions left to test after this (roughly 12 steps) [b3aad324675d1d4c02cdd096e57e212825869799] ANDROID: gki_defconfig: enable CONFIG_KASAN_HW_TAGS testing commit b3aad324675d1d4c02cdd096e57e212825869799 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 292ef534ec7b650c29593f0375679a2b594767366f3486b8fe2f471009042460 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip b3aad324675d1d4c02cdd096e57e212825869799 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [67668f721bbc07989519795db4ad0b8bfe62da59] ANDROID: mm: page_pinner: use put_user_page at dump_user_range testing commit 67668f721bbc07989519795db4ad0b8bfe62da59 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 11744d0f62356e5e1e8a11521428084ef5e870b0fe5ee6ba54938a57669ec705 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 67668f721bbc07989519795db4ad0b8bfe62da59 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [25b284fcf26eb1b7cf9ec1d0ebe46cb5dbb40477] Revert "FROMLIST: dt-bindings: reserved-memory: Make DMA-BUF CMA heap DT-configurable" testing commit 25b284fcf26eb1b7cf9ec1d0ebe46cb5dbb40477 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f7ff052e5bef7778cca092b78673d3b3afde4be5133f6e7a5b5c79a75efb0c04 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 25b284fcf26eb1b7cf9ec1d0ebe46cb5dbb40477 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [7a2a316228bcd80821a15fed6cd70c80a5daa182] ANDROID: sched: gki: add padding to some structs to support WALT testing commit 7a2a316228bcd80821a15fed6cd70c80a5daa182 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e6f7d1d6c7b5425a698688c501011f4d117b40f207a1c6915e36cdb19a4f2f72 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 7a2a316228bcd80821a15fed6cd70c80a5daa182 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [bdf2f9bb6a9450ad797ffe1eb547ce25dc4dbb36] FROMGIT: kasan: don't run tests when KASAN is not enabled testing commit bdf2f9bb6a9450ad797ffe1eb547ce25dc4dbb36 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 58180f02cd608444d5d0a8a868636b6ca36134b37d1f63ccfe624814e3806205 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip bdf2f9bb6a9450ad797ffe1eb547ce25dc4dbb36 Bisecting: 2818 revisions left to test after this (roughly 12 steps) [34eebce472a6088386eb10f0d645cadd888e604c] Merge 3d5e28bff7ad ("Merge branch 'stable/for-linus-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb") into android-mainline testing commit 34eebce472a6088386eb10f0d645cadd888e604c compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 60c604ee6f68527a31731ae3e6177f8da7cac0c2f47c923279fe95444b38f759 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns # git bisect skip 34eebce472a6088386eb10f0d645cadd888e604c Bisecting: 2818 revisions left to test after this (roughly 12 steps) [c6672561bc64854cdb87f2518f62b5c0c7bdf7d4] UPSTREAM: net: add and use skb_unclone_keeptruesize() helper testing commit c6672561bc64854cdb87f2518f62b5c0c7bdf7d4 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8ff99dede919c17a9cde7d04dd38e64a7a6e1df5cbb423f2d5d831843c2ae756 all runs: OK # git bisect good c6672561bc64854cdb87f2518f62b5c0c7bdf7d4 Bisecting: 32 revisions left to test after this (roughly 5 steps) [add227a8d80c6e523ad3b43aac4b586b510bd1eb] Merge branch 'android12-5.10' into `android12-5.10-lts` testing commit add227a8d80c6e523ad3b43aac4b586b510bd1eb compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f6ca22601457be63e7869418e63604624391452aed7e4658877ece570387cd1f all runs: OK # git bisect good add227a8d80c6e523ad3b43aac4b586b510bd1eb Bisecting: 15 revisions left to test after this (roughly 4 steps) [74562af5949e9555bf7b32d72d8ee72d85e2acbf] UPSTREAM: ARM: Spectre-BHB: provide empty stub for non-config testing commit 74562af5949e9555bf7b32d72d8ee72d85e2acbf compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e47135cd161bc6f4250da95a3e3e8cc2b54af59768c89ab1153e4a6b80ec0a93 run #0: crashed: BUG: stack guard page was hit in sys_mkdir run #1: crashed: BUG: stack guard page was hit in sys_mkdir run #2: crashed: BUG: stack guard page was hit in sys_mkdir run #3: crashed: BUG: stack guard page was hit in sys_mkdir run #4: crashed: BUG: stack guard page was hit in sys_mkdir run #5: crashed: BUG: stack guard page was hit in sys_mkdir run #6: crashed: BUG: stack guard page was hit in corrupted run #7: crashed: BUG: stack guard page was hit in sys_mkdir run #8: crashed: BUG: stack guard page was hit in sys_mkdir run #9: crashed: BUG: stack guard page was hit in corrupted # git bisect bad 74562af5949e9555bf7b32d72d8ee72d85e2acbf Bisecting: 7 revisions left to test after this (roughly 3 steps) [56d625a4ce5428dd2b7e0f215618c5f8050cf5ed] ANDROID: fix up rndis ABI breakage testing commit 56d625a4ce5428dd2b7e0f215618c5f8050cf5ed compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 383bf0be89e6539134a9986c1283ca432e9ee58a96a43a304c5153bbf98ebdc3 failed: failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'ci2-android-5-10-bisect-job-bisect-job-image.tar.gz' ForceSendFields:[] NullFields:[]}. # git bisect skip 56d625a4ce5428dd2b7e0f215618c5f8050cf5ed Bisecting: 7 revisions left to test after this (roughly 3 steps) [0773736e480c97d97de9ea8d408c9dc2b7f2efe5] Merge 5.10.104 into android12-5.10-lts testing commit 0773736e480c97d97de9ea8d408c9dc2b7f2efe5 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f81ed50fe1d6ad7f97309c31ff577d0f2c5b6f03a20e78264fc2aa43fc04b1d8 run #0: crashed: BUG: stack guard page was hit in sys_mkdir run #1: crashed: BUG: stack guard page was hit in sys_mkdir run #2: crashed: BUG: stack guard page was hit in sys_mkdir run #3: crashed: BUG: stack guard page was hit in sys_mkdir run #4: crashed: BUG: stack guard page was hit in sys_mkdir run #5: crashed: BUG: stack guard page was hit in sys_mkdir run #6: crashed: BUG: stack guard page was hit in sys_mkdir run #7: crashed: BUG: stack guard page was hit in sys_mkdir run #8: crashed: BUG: stack guard page was hit in corrupted run #9: crashed: BUG: stack guard page was hit in sys_mkdir # git bisect bad 0773736e480c97d97de9ea8d408c9dc2b7f2efe5 Bisecting: 5 revisions left to test after this (roughly 2 steps) [b9b8fd203dba3f17f85a0f7ea3b6bf490e6e53f5] UPSTREAM: lib/iov_iter: initialize "flags" in new pipe_buffer testing commit b9b8fd203dba3f17f85a0f7ea3b6bf490e6e53f5 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9e468ec15e61abc014016d6a186e957d5bb4a9c1477e40272f7b8870e3f03141 run #0: crashed: BUG: stack guard page was hit in sys_mkdir run #1: crashed: BUG: stack guard page was hit in sys_mkdir run #2: crashed: BUG: stack guard page was hit in sys_mkdir run #3: crashed: BUG: stack guard page was hit in sys_mkdir run #4: crashed: BUG: stack guard page was hit in sys_mkdir run #5: crashed: BUG: stack guard page was hit in sys_mkdir run #6: crashed: BUG: stack guard page was hit in sys_mkdir run #7: crashed: BUG: stack guard page was hit in corrupted run #8: crashed: BUG: stack guard page was hit in sys_mkdir run #9: crashed: BUG: stack guard page was hit in sys_mkdir # git bisect bad b9b8fd203dba3f17f85a0f7ea3b6bf490e6e53f5 Bisecting: 1 revision left to test after this (roughly 1 step) [07630c80731a93d066b6365b53a033841baebd54] Revert "ANDROID: incremental-fs: fix mount_fs issue" testing commit 07630c80731a93d066b6365b53a033841baebd54 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bd935043fb5e1e0149d239d75036f44863a5bb9308d18226f5137c24bb1c9ee7 all runs: crashed: BUG: stack guard page was hit in sys_mkdir # git bisect bad 07630c80731a93d066b6365b53a033841baebd54 Bisecting: 0 revisions left to test after this (roughly 0 steps) [e4d293dc33b5fa97b7965447fe6c3f6796af01c9] Revert "ANDROID: vendor_hooks: Add hooks for binder proc transaction" testing commit e4d293dc33b5fa97b7965447fe6c3f6796af01c9 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 35cdc877330aa98eb52b861ab895e82bd1b003491c9833bb38dd796ec76242a5 all runs: OK # git bisect good e4d293dc33b5fa97b7965447fe6c3f6796af01c9 07630c80731a93d066b6365b53a033841baebd54 is the first bad commit commit 07630c80731a93d066b6365b53a033841baebd54 Author: Paul Lawrence Date: Fri Feb 4 15:20:46 2022 +0000 Revert "ANDROID: incremental-fs: fix mount_fs issue" This reverts commit 93717b608dd30f9d41b15a72e809238807c68026. Test: Can now install the same apk twice, and repeated installs are stable Bug: 217661925 Signed-off-by: Paul Lawrence Change-Id: I86871c364c17a0d1107b3891a574b72edcf04ea2 (cherry picked from commit d107cd06f26b4d45b1079c7eb857815905198076) Signed-off-by: Steve Muckle fs/incfs/vfs.c | 58 +++++++++++++++------------------------------------------- fs/incfs/vfs.h | 1 + 2 files changed, 16 insertions(+), 43 deletions(-) culprit signature: bd935043fb5e1e0149d239d75036f44863a5bb9308d18226f5137c24bb1c9ee7 parent signature: 35cdc877330aa98eb52b861ab895e82bd1b003491c9833bb38dd796ec76242a5 revisions tested: 22, total time: 2h57m5.008424905s (build: 2h3m54.258404256s, test: 49m22.17664011s) first bad commit: 07630c80731a93d066b6365b53a033841baebd54 Revert "ANDROID: incremental-fs: fix mount_fs issue" recipients (to): ["linux-kernel@vger.kernel.org" "paullawrence@google.com" "smuckle@google.com"] recipients (cc): [] crash: BUG: stack guard page was hit in sys_mkdir BUG: stack guard page was hit at ffffc900005f7ff8 (stack is ffffc900005f8000..ffffc900005fffff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 416 Comm: syz-executor308 Not tainted 5.10.81-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:stack_trace_save+0x8a/0xc0 kernel/stacktrace.c:121 Code: 45 f0 31 c0 48 89 7d 98 48 c7 c7 10 72 4c 81 89 75 a0 48 8d 75 98 89 55 a4 48 c7 45 a8 00 00 00 00 65 48 8b 14 25 00 6e 02 00 71 5b d8 ff 8b 45 a8 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 RSP: 0018:ffffc900005f8000 EFLAGS: 00010246 RAX: 0000000000000000 RBX: fffff520000bf000 RCX: 0000000000000000 RDX: ffff88810c380000 RSI: ffffc900005f8020 RDI: ffffffff814c7210 RBP: ffffc900005f8088 R08: ffff88811f40cdd0 R09: ffffed1023e819ba R10: fffff520000bf09e R11: 0000000000000079 R12: 0000000000000cc0 R13: ffff88810017c300 R14: 0000000000000cc0 R15: 0000000000000001 FS: 00005555571cf300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900005f7ff8 CR3: 000000010b6c9000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kasan_save_stack+0x23/0x50 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:428 [inline] __kasan_slab_alloc+0x87/0xb0 mm/kasan/common.c:461 kasan_slab_alloc include/linux/kasan.h:259 [inline] slab_post_alloc_hook mm/slab.h:583 [inline] slab_alloc_node mm/slub.c:2954 [inline] slab_alloc mm/slub.c:2962 [inline] kmem_cache_alloc+0x15d/0x510 mm/slub.c:2967 __d_alloc+0x28/0x8c0 fs/dcache.c:1709 d_alloc+0x3c/0x210 fs/dcache.c:1788 d_alloc_parallel+0xe3/0x10b0 fs/dcache.c:2540 __lookup_slow+0x106/0x3d0 fs/namei.c:1613 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_slow+0x19b/0x3d0 fs/namei.c:1628 lookup_one_len+0x134/0x160 fs/namei.c:2642 incfs_lookup_dentry.part.0+0x55/0x80 fs/incfs/data_mgmt.c:211 incfs_lookup_dentry+0xe/0x20 fs/incfs/data_mgmt.c:202 dir_lookup+0x24f/0x580 fs/incfs/vfs.c:967 __lookup_hash+0xe5/0x150 fs/namei.c:1529 filename_create+0x16a/0x410 fs/namei.c:3543 user_path_create fs/namei.c:3600 [inline] do_mkdirat+0xae/0x260 fs/namei.c:3740 __do_sys_mkdir fs/namei.c:3764 [inline] __se_sys_mkdir fs/namei.c:3762 [inline] __x64_sys_mkdir+0x57/0x80 fs/namei.c:3762 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fa22e5f1bb9 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb446c9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa22e5f1bb9 RDX: ffffffffffffffc0 RSI: 0000000000000010 RDI: 00000000200001c0 RBP: 00007fa22e5b5d60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa22e5b5df0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 466c8031fee6635c ]--- RIP: 0010:stack_trace_save+0x8a/0xc0 kernel/stacktrace.c:121 Code: 45 f0 31 c0 48 89 7d 98 48 c7 c7 10 72 4c 81 89 75 a0 48 8d 75 98 89 55 a4 48 c7 45 a8 00 00 00 00 65 48 8b 14 25 00 6e 02 00 71 5b d8 ff 8b 45 a8 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 RSP: 0018:ffffc900005f8000 EFLAGS: 00010246 RAX: 0000000000000000 RBX: fffff520000bf000 RCX: 0000000000000000 RDX: ffff88810c380000 RSI: ffffc900005f8020 RDI: ffffffff814c7210 RBP: ffffc900005f8088 R08: ffff88811f40cdd0 R09: ffffed1023e819ba R10: fffff520000bf09e R11: 0000000000000079 R12: 0000000000000cc0 R13: ffff88810017c300 R14: 0000000000000cc0 R15: 0000000000000001 FS: 00005555571cf300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900005f7ff8 CR3: 000000010b6c9000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 45 rex.RB 1: f0 31 c0 lock xor %eax,%eax 4: 48 89 7d 98 mov %rdi,-0x68(%rbp) 8: 48 c7 c7 10 72 4c 81 mov $0xffffffff814c7210,%rdi f: 89 75 a0 mov %esi,-0x60(%rbp) 12: 48 8d 75 98 lea -0x68(%rbp),%rsi 16: 89 55 a4 mov %edx,-0x5c(%rbp) 19: 48 c7 45 a8 00 00 00 movq $0x0,-0x58(%rbp) 20: 00 21: 65 48 8b 14 25 00 6e mov %gs:0x26e00,%rdx 28: 02 00 * 2a: e8 71 5b d8 ff callq 0xffd85ba0 <-- trapping instruction 2f: 8b 45 a8 mov -0x58(%rbp),%eax 32: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 39: c7 43 08 00 00 00 00 movl $0x0,0x8(%rbx)