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🐞 Open [960] 🐞 Fixed [3811] 🐞 Invalid [8185] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | possible deadlock in process_measurement (2) | C | done | done | 56 | 540d | 907d | 17/22 | fixed on 2021/01/06 01:14 |
linux-4.19 | possible deadlock in process_measurement | 128 | 1d01h | 863d | 0/1 | upstream: reported on 2020/01/15 21:21 | |||
upstream | possible deadlock in process_measurement | C | 51 | 1088d | 1320d | 0/22 | closed as invalid on 2019/07/15 16:35 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2021/11/16 14:11 | 11m | phind.uet@gmail.com | linux-next | report log |
====================================================== WARNING: possible circular locking dependency detected 5.14.0-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor453/8406 is trying to acquire lock: ffff888071eb6e00 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x7bf/0x1dd0 security/integrity/ima/ima_main.c:260 but task is already holding lock: ffff888029288460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:376 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (sb_writers#5){.+.+}-{0:0}: lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625 percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1812 [inline] sb_start_write+0x4f/0x1a0 include/linux/fs.h:1882 mnt_want_write+0x3b/0x80 fs/namespace.c:376 ovl_maybe_copy_up+0x117/0x180 fs/overlayfs/copy_up.c:1047 ovl_open+0xa2/0x200 fs/overlayfs/file.c:149 do_dentry_open+0x7cb/0x1020 fs/open.c:822 vfs_open fs/open.c:945 [inline] dentry_open+0xc6/0x120 fs/open.c:961 ima_calc_file_hash+0x156/0x1b90 security/integrity/ima/ima_crypto.c:557 ima_collect_measurement+0x27d/0x510 security/integrity/ima/ima_api.c:254 process_measurement+0x101d/0x1dd0 security/integrity/ima/ima_main.c:337 ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:516 do_open fs/namei.c:3428 [inline] path_openat+0x2917/0x3670 fs/namei.c:3559 do_filp_open+0x277/0x4f0 fs/namei.c:3586 do_sys_openat2+0x13b/0x500 fs/open.c:1200 do_sys_open fs/open.c:1216 [inline] __do_sys_open fs/open.c:1224 [inline] __se_sys_open fs/open.c:1220 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1220 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> #0 (&iint->mutex){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3051 [inline] check_prevs_add kernel/locking/lockdep.c:3174 [inline] validate_chain+0x1dfb/0x8240 kernel/locking/lockdep.c:3789 __lock_acquire+0x1382/0x2b00 kernel/locking/lockdep.c:5015 lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625 __mutex_lock_common+0x1df/0x2550 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:743 process_measurement+0x7bf/0x1dd0 security/integrity/ima/ima_main.c:260 ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:516 do_open fs/namei.c:3428 [inline] path_openat+0x2917/0x3670 fs/namei.c:3559 do_filp_open+0x277/0x4f0 fs/namei.c:3586 do_sys_openat2+0x13b/0x500 fs/open.c:1200 do_sys_open fs/open.c:1216 [inline] __do_sys_openat fs/open.c:1232 [inline] __se_sys_openat fs/open.c:1227 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1227 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_writers#5); lock(&iint->mutex); lock(sb_writers#5); lock(&iint->mutex); *** DEADLOCK *** 1 lock held by syz-executor453/8406: #0: ffff888029288460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:376 stack backtrace: CPU: 1 PID: 8406 Comm: syz-executor453 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:105 check_noncircular+0x2f9/0x3b0 kernel/locking/lockdep.c:2131 check_prev_add kernel/locking/lockdep.c:3051 [inline] check_prevs_add kernel/locking/lockdep.c:3174 [inline] validate_chain+0x1dfb/0x8240 kernel/locking/lockdep.c:3789 __lock_acquire+0x1382/0x2b00 kernel/locking/lockdep.c:5015 lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625 __mutex_lock_common+0x1df/0x2550 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:743 process_measurement+0x7bf/0x1dd0 security/integrity/ima/ima_main.c:260 ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:516 do_open fs/namei.c:3428 [inline] path_openat+0x2917/0x3670 fs/namei.c:3559 do_filp_open+0x277/0x4f0 fs/namei.c:3586 do_sys_openat2+0x13b/0x500 fs/open.c:1200 do_sys_open fs/open.c:1216 [inline] __do_sys_openat fs/open.c:1232 [inline] __se_sys_openat fs/open.c:1227 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1227 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x444cc9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 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:00007f64a670b2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00000000004ca400 RCX: 0000000000444cc9 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 000000000049a004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 69662f7375622f2e R13: 79706f636174656d R14: 0079616c7265766f
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-smack-root | 2021/11/07 14:28 | upstream | b5013d084e03 | 064c9eb7 | .config | log | report | syz | C | ||
ci-upstream-kasan-gce-smack-root | 2021/08/15 20:19 | upstream | ecf93431963a | f115ae98 | .config | log | report | syz | C |
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-smack-root | 2021/09/08 03:32 | upstream | a2b28235335f | 064c9eb7 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-smack-root | 2021/09/08 02:39 | upstream | a2b28235335f | 064c9eb7 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-smack-root | 2021/07/16 05:27 | upstream | dd9c7df94c1b | f115ae98 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-selinux-root | 2021/06/18 14:24 | upstream | fd0aa1a4567d | aba2b2fb | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-selinux-root | 2021/06/18 12:27 | upstream | fd0aa1a4567d | aba2b2fb | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-smack-root | 2021/05/16 07:56 | upstream | c12a29ed9094 | f54a5c09 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-smack-root | 2021/05/16 06:51 | upstream | c12a29ed9094 | f54a5c09 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-root | 2021/05/15 07:27 | upstream | 25a1298726e9 | 8bdd5343 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-root | 2021/05/15 05:59 | upstream | 25a1298726e9 | 8bdd5343 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-root | 2021/05/08 15:38 | upstream | d2b6f8a17919 | bc5434be | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-linux-next-kasan-gce-root | 2021/06/09 11:14 | linux-next | a1f92694393a | 5c2fe346 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-linux-next-kasan-gce-root | 2021/06/09 09:41 | linux-next | a1f92694393a | 5c2fe346 | .config | log | report | syz | C | possible deadlock in process_measurement | |
ci-upstream-kasan-gce-smack-root | 2022/03/16 15:51 | upstream | 56e337f2cf13 | 9e8eaa75 | .config | log | report | syz | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2022/05/09 15:22 | upstream | c5eb0a61238d | 8b277b8e | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2022/04/25 00:33 | upstream | 5206548f6e67 | 131df97d | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2022/04/19 13:03 | upstream | b2d229d4ddb1 | c334415e | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2022/04/19 10:25 | upstream | b2d229d4ddb1 | c334415e | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2022/04/17 18:10 | upstream | a2c29ccd9477 | 8bcc32a6 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream | 2022/03/22 17:19 | upstream | b47d5a4f6b8d | d88ef0c5 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2022/03/18 07:28 | upstream | 551acdc3c3d2 | e2d91b1d | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2022/01/29 18:31 | upstream | 169387e2aa29 | 495e00c5 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-selinux-root | 2022/01/11 01:25 | upstream | 133d9c53c9dc | ddb0ab8c | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-selinux-root | 2022/01/06 17:04 | upstream | 75acfdb6fd92 | 6acc789a | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2021/12/12 10:44 | upstream | a763d5a5abd6 | 49ca1f59 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2021/11/17 08:46 | upstream | 8ab774587903 | cafff8b6 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-selinux-root | 2021/11/10 22:47 | upstream | 89d714ab6043 | 75b04091 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-selinux-root | 2021/09/09 00:58 | upstream | 730bf31b8fc8 | e2776ee4 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-selinux-root | 2021/09/08 14:14 | upstream | ac08b1c68d1b | e2776ee4 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-kasan-gce-root | 2021/05/08 12:55 | upstream | d2b6f8a17919 | bc5434be | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream-386 | 2022/05/03 20:46 | upstream | ef8e4d3c2ab1 | dc9e5259 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream-386 | 2022/04/27 19:19 | upstream | 03498b7131b8 | 8a1f1f07 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream-386 | 2022/04/25 20:44 | upstream | d615b5416f8a | 152baedd | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream-386 | 2022/04/21 14:51 | upstream | b253435746d9 | 2738b391 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream-386 | 2022/04/17 23:48 | upstream | b2d229d4ddb1 | 8bcc32a6 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream-386 | 2022/04/17 18:14 | upstream | a2c29ccd9477 | 8bcc32a6 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-qemu-upstream-386 | 2022/01/17 17:09 | upstream | 0c947b893d69 | 731a2d23 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2022/05/10 02:13 | linux-next | 38a288f5941e | 8b277b8e | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2022/04/09 17:19 | linux-next | ff511c1c68a5 | e22c3da3 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2022/03/28 00:56 | linux-next | fd4fbb998102 | 89bc8608 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2022/02/21 04:45 | linux-next | ef6b35306dd8 | 3cd800e4 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2022/02/13 07:22 | linux-next | ef6b35306dd8 | 8b9ca619 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2021/10/08 14:08 | linux-next | 683f29b781ae | efe0f24d | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2021/09/02 19:06 | linux-next | c1b13fe76e95 | 15cea0a3 | .config | log | report | info | possible deadlock in process_measurement | ||
ci-upstream-linux-next-kasan-gce-root | 2021/05/12 20:12 | linux-next | ec85c95b0c90 | da958a4d | .config | log | report | info | possible deadlock in process_measurement |