Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/10/29 | linux-5.15.y (ToT) | 74cdd62cb470 | C | [report] possible deadlock in ocfs2_get_system_file_inode |
2024/10/29 | upstream (ToT) | e42b1a9a2557 | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/10/29 | linux-5.15.y (ToT) | 74cdd62cb470 | C | [report] possible deadlock in ocfs2_get_system_file_inode |
2024/10/29 | upstream (ToT) | e42b1a9a2557 | C | Didn't crash |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/04/17 12:41 | 13m | retest repro | linux-5.15.y | report log | |
2025/04/17 12:41 | 12m | retest repro | linux-5.15.y | report log | |
2025/02/02 23:57 | 9m | retest repro | linux-5.15.y | report log | |
2025/02/02 23:57 | 12m | retest repro | linux-5.15.y | report log |
loop0: detected capacity change from 0 to 32768 ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 5.15.176-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor423/4312 is trying to acquire lock: ffff8880703294a0 (&ocfs2_file_ip_alloc_sem_key/1){+.+.}-{3:3}, at: ocfs2_remap_file_range+0x488/0x8d0 fs/ocfs2/file.c:2698 but task is already holding lock: ffff88807032a2e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_remap_file_range+0x45c/0x8d0 fs/ocfs2/file.c:2696 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_read_virt_blocks+0x2b3/0xa10 fs/ocfs2/extent_map.c:976 ocfs2_read_dir_block fs/ocfs2/dir.c:508 [inline] ocfs2_find_entry_el fs/ocfs2/dir.c:715 [inline] ocfs2_find_entry+0x437/0x26d0 fs/ocfs2/dir.c:1080 ocfs2_find_files_on_disk+0xea/0x310 fs/ocfs2/dir.c:1982 ocfs2_lookup_ino_from_name+0xad/0x1e0 fs/ocfs2/dir.c:2004 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:136 [inline] ocfs2_get_system_file_inode+0x314/0x7b0 fs/ocfs2/sysfile.c:112 ocfs2_init_global_system_inodes+0x328/0x720 fs/ocfs2/super.c:458 ocfs2_initialize_super fs/ocfs2/super.c:2276 [inline] ocfs2_fill_super+0x47b3/0x5890 fs/ocfs2/super.c:995 mount_bdev+0x2c9/0x3f0 fs/super.c:1400 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x2ba/0xb40 fs/namespace.c:3012 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (&osb->system_file_mutex){+.+.}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 ocfs2_get_system_file_inode+0x1a1/0x7b0 fs/ocfs2/sysfile.c:101 ocfs2_reserve_suballoc_bits+0x16b/0x4c70 fs/ocfs2/suballoc.c:776 ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978 ocfs2_create_refcount_tree+0x32e/0x1530 fs/ocfs2/refcounttree.c:571 ocfs2_reflink_remap_blocks+0x2f2/0x1f20 fs/ocfs2/refcounttree.c:4683 ocfs2_remap_file_range+0x5f2/0x8d0 fs/ocfs2/file.c:2706 do_clone_file_range+0x268/0x2d0 fs/remap_range.c:395 vfs_clone_file_range+0x1fb/0x500 fs/remap_range.c:413 ioctl_file_clone fs/ioctl.c:242 [inline] ioctl_file_clone_range fs/ioctl.c:262 [inline] do_vfs_ioctl+0x1b12/0x2b70 fs/ioctl.c:827 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (&ocfs2_file_ip_alloc_sem_key/1){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write_nested+0x3b/0x60 kernel/locking/rwsem.c:1667 ocfs2_remap_file_range+0x488/0x8d0 fs/ocfs2/file.c:2698 do_clone_file_range+0x268/0x2d0 fs/remap_range.c:395 vfs_clone_file_range+0x1fb/0x500 fs/remap_range.c:413 ioctl_file_clone fs/ioctl.c:242 [inline] ioctl_file_clone_range fs/ioctl.c:262 [inline] do_vfs_ioctl+0x1b12/0x2b70 fs/ioctl.c:827 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 other info that might help us debug this: Chain exists of: &ocfs2_file_ip_alloc_sem_key/1 --> &osb->system_file_mutex --> &ocfs2_file_ip_alloc_sem_key Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ocfs2_file_ip_alloc_sem_key); lock(&osb->system_file_mutex); lock(&ocfs2_file_ip_alloc_sem_key); lock(&ocfs2_file_ip_alloc_sem_key/1); *** DEADLOCK *** 4 locks held by syz-executor423/4312: #0: ffff88807e9d4460 (sb_writers#9){.+.+}-{0:0}, at: ioctl_file_clone fs/ioctl.c:242 [inline] #0: ffff88807e9d4460 (sb_writers#9){.+.+}-{0:0}, at: ioctl_file_clone_range fs/ioctl.c:262 [inline] #0: ffff88807e9d4460 (sb_writers#9){.+.+}-{0:0}, at: do_vfs_ioctl+0x1b12/0x2b70 fs/ioctl.c:827 #1: ffff888070329808 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #1: ffff888070329808 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: lock_two_nondirectories+0xde/0x130 fs/inode.c:1122 #2: ffff88807032a648 (&sb->s_type->i_mutex_key#15/4){+.+.}-{3:3}, at: ocfs2_reflink_inodes_lock+0x16e/0xdc0 fs/ocfs2/refcounttree.c:4751 #3: ffff88807032a2e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_remap_file_range+0x45c/0x8d0 fs/ocfs2/file.c:2696 stack backtrace: CPU: 0 PID: 4312 Comm: syz-executor423 Not tainted 5.15.176-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write_nested+0x3b/0x60 kernel/locking/rwsem.c:1667 ocfs2_remap_file_range+0x488/0x8d0 fs/ocfs2/file.c:2698 do_clone_file_range+0x268/0x2d0 fs/remap_range.c:395 vfs_clone_file_range+0x1fb/0x500 fs/remap_range.c:413 ioctl_file_clone fs/ioctl.c:242 [inline] ioctl_file_clone_range fs/ioctl.c:262 [inline] do_vfs_ioctl+0x1b12/0x2b70 fs/ioctl.c:827 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fdb51ced329 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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:00007ffd8426e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fdb51ced329 RDX: 0000000020000440 RSI: 000000004020940d RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007ffd8426e240 R09: 00007ffd8426e240 R10: 00007ffd8426e240 R11: 0000000000000246 R12: 00007ffd8426e22c R13: 0000000000000031 R14: 431bde82d7b634db R15: 00007ffd8426e260 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/01/17 07:23 | linux-5.15.y | 4735586da88e | f9e07a6e | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | |
2024/10/04 08:07 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | |
2025/04/03 11:16 | linux-5.15.y | 0c935c049b5c | 996a9618 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/04/01 20:09 | linux-5.15.y | 0c935c049b5c | b8645499 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/03/14 03:09 | linux-5.15.y | 0c935c049b5c | e2826670 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/03/01 22:15 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/03/01 22:15 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/03/01 13:22 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/03/01 13:05 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/02/12 14:13 | linux-5.15.y | c16c81c81336 | b27c2402 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/01/19 17:39 | linux-5.15.y | 4735586da88e | f2cb035c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/01/16 18:56 | linux-5.15.y | 4735586da88e | f9e07a6e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/01/10 22:45 | linux-5.15.y | 4735586da88e | 6dbc6a9b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/28 22:18 | linux-5.15.y | 91786f140358 | d3ccff63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/09 15:51 | linux-5.15.y | 0a51d2d4527b | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/09 15:44 | linux-5.15.y | 0a51d2d4527b | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/09 15:25 | linux-5.15.y | 0a51d2d4527b | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/09 15:16 | linux-5.15.y | 0a51d2d4527b | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/09 15:10 | linux-5.15.y | 0a51d2d4527b | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/09 15:07 | linux-5.15.y | 0a51d2d4527b | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/12/08 15:35 | linux-5.15.y | 0a51d2d4527b | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/11/22 00:06 | linux-5.15.y | 0a51d2d4527b | 4b25d554 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/11/16 15:07 | linux-5.15.y | d98fd109f827 | cfe3a04a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/10/15 14:20 | linux-5.15.y | 3a5928702e71 | 7eb57b4a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/10/12 03:19 | linux-5.15.y | 3a5928702e71 | 084d8178 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/10/12 03:19 | linux-5.15.y | 3a5928702e71 | 084d8178 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2024/10/03 12:40 | linux-5.15.y | 3a5928702e71 | a4c7fd36 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in ocfs2_remap_file_range | ||
2025/04/27 21:24 | linux-5.15.y | f7347f400572 | c6b4fb39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in ocfs2_remap_file_range | ||
2025/03/29 20:07 | linux-5.15.y | 0c935c049b5c | d3999433 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in ocfs2_remap_file_range | ||
2025/03/24 02:35 | linux-5.15.y | 0c935c049b5c | 875573af | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in ocfs2_remap_file_range | ||
2024/11/26 15:45 | linux-5.15.y | 0a51d2d4527b | e9a9a9f2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in ocfs2_remap_file_range | ||
2024/11/26 15:39 | linux-5.15.y | 0a51d2d4527b | e9a9a9f2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in ocfs2_remap_file_range |