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🐞 Open [1155] 🐞 Fixed [4318] 🐞 Invalid [9656] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | possible deadlock in vm_mmap_pgoff (2) | C | error | 2 | 65d | 69d | 0/1 | upstream: reported C repro on 2022/11/25 13:47 | |
linux-4.19 | possible deadlock in vm_mmap_pgoff | 4 | 546d | 668d | 0/1 | auto-closed as invalid on 2021/12/02 20:13 | |||
linux-4.14 | possible deadlock in vm_mmap_pgoff reiserfs | C | 4 | 24d | 61d | 0/1 | upstream: reported C repro on 2022/12/03 00:54 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2022/10/22 19:30 | 16m | retest repro | upstream | report log | |
2022/10/22 19:30 | 17m | retest repro | upstream | OK log |
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ====================================================== WARNING: possible circular locking dependency detected 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 Not tainted ------------------------------------------------------ syz-executor547/5496 is trying to acquire lock: ffff888028f92090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27 but task is already holding lock: ffff888028373e98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] ffff888028373e98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x14d/0x2b0 mm/util.c:518 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&mm->mmap_lock){++++}-{3:3}: lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668 __might_fault+0xb2/0x110 mm/memory.c:5647 reiserfs_ioctl+0x11c/0x340 fs/reiserfs/ioctl.c:96 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #0 (&sbi->lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3097 [inline] check_prevs_add kernel/locking/lockdep.c:3216 [inline] validate_chain+0x1898/0x6ae0 kernel/locking/lockdep.c:3831 __lock_acquire+0x1292/0x1f60 kernel/locking/lockdep.c:5055 lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668 __mutex_lock_common+0x1bd/0x26e0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799 reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27 reiserfs_dirty_inode+0xdf/0x230 fs/reiserfs/super.c:704 __mark_inode_dirty+0x1e7/0x600 fs/fs-writeback.c:2419 generic_update_time fs/inode.c:1859 [inline] inode_update_time fs/inode.c:1872 [inline] touch_atime+0x3d3/0x630 fs/inode.c:1944 file_accessed include/linux/fs.h:2516 [inline] generic_file_mmap+0xbb/0x120 mm/filemap.c:3473 call_mmap include/linux/fs.h:2191 [inline] mmap_region+0xfe6/0x1e20 mm/mmap.c:2621 do_mmap+0x8d9/0xf30 mm/mmap.c:1411 vm_mmap_pgoff+0x19e/0x2b0 mm/util.c:520 ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1457 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_lock); lock(&sbi->lock); lock(&mm->mmap_lock); lock(&sbi->lock); *** DEADLOCK *** 2 locks held by syz-executor547/5496: #0: ffff888028373e98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #0: ffff888028373e98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x14d/0x2b0 mm/util.c:518 #1: ffff8880790d0460 (sb_writers#9){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline] #1: ffff8880790d0460 (sb_writers#9){.+.+}-{0:0}, at: generic_file_mmap+0xbb/0x120 mm/filemap.c:3473 stack backtrace: CPU: 0 PID: 5496 Comm: syz-executor547 Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 check_noncircular+0x2cc/0x390 kernel/locking/lockdep.c:2177 check_prev_add kernel/locking/lockdep.c:3097 [inline] check_prevs_add kernel/locking/lockdep.c:3216 [inline] validate_chain+0x1898/0x6ae0 kernel/locking/lockdep.c:3831 __lock_acquire+0x1292/0x1f60 kernel/locking/lockdep.c:5055 lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668 __mutex_lock_common+0x1bd/0x26e0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799 reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27 reiserfs_dirty_inode+0xdf/0x230 fs/reiserfs/super.c:704 __mark_inode_dirty+0x1e7/0x600 fs/fs-writeback.c:2419 generic_update_time fs/inode.c:1859 [inline] inode_update_time fs/inode.c:1872 [inline] touch_atime+0x3d3/0x630 fs/inode.c:1944 file_accessed include/linux/fs.h:2516 [inline] generic_file_mmap+0xbb/0x120 mm/filemap.c:3473 call_mmap include/linux/fs.h:2191 [inline] mmap_region+0xfe6/0x1e20 mm/mmap.c:2621 do_mmap+0x8d9/0xf30 mm/mmap.c:1411 vm_mmap_pgoff+0x19e/0x2b0 mm/util.c:520 ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1457 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f18a9e0cd19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 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:00007f18a9db81f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f18a9e927a8 RCX: 00007f18a9e0cd19 RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007f18a9e927a0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000010012 R11: 0000000000000246 R12: 00007f18a9e927ac R13: 00007ffc98f95b0f R14: 00007f18a9db8300 R15: 0000000000022000 </TASK>
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-fs | 2022/12/31 22:07 | upstream | c8451c141e07 | ab32d508 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | possible deadlock in vm_mmap_pgoff | |
ci2-upstream-fs | 2022/12/16 21:46 | upstream | 84e57d292203 | 05494336 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | possible deadlock in vm_mmap_pgoff | |
ci-upstream-kasan-gce-root | 2022/12/10 18:00 | upstream | 3ecc37918c80 | 67be1ae7 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | possible deadlock in vm_mmap_pgoff | |
ci-upstream-kasan-gce-selinux-root | 2021/08/31 09:40 | upstream | 7d2a07b76933 | 8f58a0ef | .config | console log | report | syz | C | possible deadlock in vm_mmap_pgoff | ||
ci-upstream-kasan-gce-root | 2023/01/21 03:10 | upstream | ff83fec8179e | 559a440a | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | possible deadlock in vm_mmap_pgoff | ||
ci-upstream-kasan-gce-root | 2022/11/27 19:19 | upstream | faf68e3523c2 | 74a66371 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | possible deadlock in vm_mmap_pgoff | ||
ci-upstream-kasan-gce-smack-root | 2021/07/23 15:15 | upstream | 9bead1b58c4c | bc5f1d88 | .config | console log | report | syz | C | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/27 11:05 | upstream | 7c46948a6e9c | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/22 14:58 | upstream | 2241ab53cbb5 | cc0f9968 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/21 01:43 | upstream | edc00350d205 | cc0f9968 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/19 21:21 | upstream | 081edded9b38 | 71197f3a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/18 12:36 | upstream | c1649ec55708 | 4620c2d9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/17 16:39 | upstream | 6e50979a9c87 | 42660d9e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/11 14:29 | upstream | 7dd4b804e080 | 96166539 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/11 02:01 | upstream | 40c18f363a08 | 48bc529a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/09 22:36 | upstream | 1fe4fd6f5cad | 48bc529a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/07 15:37 | upstream | 0a71553536d2 | 1dac8c7a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/07 15:23 | upstream | 0a71553536d2 | 1dac8c7a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/05 05:48 | upstream | 512dee0c00ad | 1dac8c7a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/03 11:35 | upstream | 69b41ac87e4a | f0036e18 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/03 11:04 | upstream | 69b41ac87e4a | f0036e18 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2023/01/01 12:23 | upstream | e4cf7c25bae5 | ab32d508 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2022/12/31 02:58 | upstream | bff687b3dad6 | ab32d508 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci-upstream-kasan-gce-root | 2022/12/26 04:49 | upstream | 1b929c02afd3 | 9da18ae8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2022/12/18 12:01 | upstream | f9ff5644bcc0 | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2022/12/18 08:43 | upstream | f9ff5644bcc0 | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2022/12/10 08:02 | upstream | 3ecc37918c80 | 67be1ae7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2022/12/10 07:47 | upstream | 3ecc37918c80 | 67be1ae7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2022/12/09 01:13 | upstream | 479174d402bc | 1034e5fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci2-upstream-fs | 2022/12/04 11:51 | upstream | c2bf05db6c78 | e080de16 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci-upstream-kasan-gce-root | 2022/12/01 10:20 | upstream | ef4d3ea40565 | 4c2a66e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff | ||
ci-upstream-kasan-gce-root | 2021/10/17 04:18 | upstream | 304040fb4909 | 0c5d9412 | .config | console log | report | info | possible deadlock in vm_mmap_pgoff | |||
ci-upstream-kasan-gce-smack-root | 2021/09/25 12:16 | upstream | 7d42e9818258 | 8cac236e | .config | console log | report | info | possible deadlock in vm_mmap_pgoff | |||
ci-upstream-kasan-gce-smack-root | 2021/09/25 08:31 | upstream | 4c4f0c2bf341 | 8cac236e | .config | console log | report | info | possible deadlock in vm_mmap_pgoff | |||
ci-upstream-kasan-gce-smack-root | 2021/09/24 22:43 | upstream | 4c4f0c2bf341 | 8cac236e | .config | console log | report | info | possible deadlock in vm_mmap_pgoff | |||
ci-upstream-kasan-gce-smack-root | 2021/09/24 21:29 | upstream | 4c4f0c2bf341 | 8cac236e | .config | console log | report | info | possible deadlock in vm_mmap_pgoff | |||
ci-qemu-upstream | 2021/04/20 10:31 | upstream | 7af08140979a | c0ced557 | .config | console log | report | info | possible deadlock in vm_mmap_pgoff | |||
ci-upstream-linux-next-kasan-gce-root | 2022/11/24 12:08 | linux-next | 15f3bff12cf6 | 12c66417 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in vm_mmap_pgoff |