Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | possible deadlock in ntfs_fallocate ntfs3 | C | error | 374 | 8h40m | 748d | 0/28 | upstream: reported C repro on 2022/12/09 08:57 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | possible deadlock in ntfs_fallocate ntfs3 | C | error | 374 | 8h40m | 748d | 0/28 | upstream: reported C repro on 2022/12/09 08:57 |
loop1: detected capacity change from 0 to 4096 ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) ====================================================== WARNING: possible circular locking dependency detected 6.1.121-syzkaller #0 Tainted: G W ------------------------------------------------------ syz.1.2106/14352 is trying to acquire lock: ffff888076b65980 (&ni->ni_lock/5){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1101 [inline] ffff888076b65980 (&ni->ni_lock/5){+.+.}-{3:3}, at: ntfs_fallocate+0x7e9/0x1020 fs/ntfs3/file.c:665 but task is already holding lock: ffff888076b65dc0 (mapping.invalidate_lock#6){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline] ffff888076b65dc0 (mapping.invalidate_lock#6){++++}-{3:3}, at: ntfs_fallocate+0x33e/0x1020 fs/ntfs3/file.c:580 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (mapping.invalidate_lock#6){++++}-{3:3}: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 down_read+0xad/0xa30 kernel/locking/rwsem.c:1520 filemap_invalidate_lock_shared include/linux/fs.h:813 [inline] filemap_fault+0x640/0x17e0 mm/filemap.c:3219 __do_fault+0x136/0x4f0 mm/memory.c:4278 do_read_fault mm/memory.c:4629 [inline] do_fault mm/memory.c:4758 [inline] handle_pte_fault mm/memory.c:5029 [inline] __handle_mm_fault mm/memory.c:5171 [inline] handle_mm_fault+0x3410/0x5340 mm/memory.c:5292 do_user_addr_fault arch/x86/mm/fault.c:1340 [inline] handle_page_fault arch/x86/mm/fault.c:1431 [inline] exc_page_fault+0x26f/0x620 arch/x86/mm/fault.c:1487 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608 copy_user_short_string+0xa/0x40 arch/x86/lib/copy_user_64.S:231 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:52 [inline] _copy_from_user+0xf3/0x170 lib/usercopy.c:23 copy_from_user include/linux/uaccess.h:161 [inline] copy_msghdr_from_user+0xaa/0x670 net/socket.c:2449 recvmsg_copy_msghdr net/socket.c:2704 [inline] ___sys_recvmsg net/socket.c:2776 [inline] do_recvmmsg+0x408/0xad0 net/socket.c:2874 __sys_recvmmsg net/socket.c:2953 [inline] __do_sys_recvmmsg net/socket.c:2976 [inline] __se_sys_recvmmsg net/socket.c:2969 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2969 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #1 (&mm->mmap_lock){++++}-{3:3}: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __might_fault+0xbd/0x110 mm/memory.c:5851 _copy_to_user+0x26/0x130 lib/usercopy.c:36 copy_to_user include/linux/uaccess.h:169 [inline] ni_fiemap+0x1672/0x18a0 fs/ntfs3/frecord.c:2140 ntfs_fiemap+0x12e/0x170 fs/ntfs3/file.c:1254 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x18e9/0x2a90 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #0 (&ni->ni_lock/5){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747 ni_lock fs/ntfs3/ntfs_fs.h:1101 [inline] ntfs_fallocate+0x7e9/0x1020 fs/ntfs3/file.c:665 vfs_fallocate+0x547/0x6b0 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __x64_sys_fallocate+0xb9/0x100 fs/open.c:352 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 other info that might help us debug this: Chain exists of: &ni->ni_lock/5 --> &mm->mmap_lock --> mapping.invalidate_lock#6 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(mapping.invalidate_lock#6); lock(&mm->mmap_lock); lock(mapping.invalidate_lock#6); lock(&ni->ni_lock/5); *** DEADLOCK *** 3 locks held by syz.1.2106/14352: #0: ffff88805dd0a460 (sb_writers#21){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:3015 [inline] #0: ffff88805dd0a460 (sb_writers#21){.+.+}-{0:0}, at: vfs_fallocate+0x4ba/0x6b0 fs/open.c:322 #1: ffff888076b65c20 (&sb->s_type->i_mutex_key#27){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #1: ffff888076b65c20 (&sb->s_type->i_mutex_key#27){+.+.}-{3:3}, at: ntfs_fallocate+0x2a0/0x1020 fs/ntfs3/file.c:566 #2: ffff888076b65dc0 (mapping.invalidate_lock#6){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline] #2: ffff888076b65dc0 (mapping.invalidate_lock#6){++++}-{3:3}, at: ntfs_fallocate+0x33e/0x1020 fs/ntfs3/file.c:580 stack backtrace: CPU: 0 PID: 14352 Comm: syz.1.2106 Tainted: G W 6.1.121-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 check_noncircular+0x2fa/0x3b0 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747 ni_lock fs/ntfs3/ntfs_fs.h:1101 [inline] ntfs_fallocate+0x7e9/0x1020 fs/ntfs3/file.c:665 vfs_fallocate+0x547/0x6b0 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __x64_sys_fallocate+0xb9/0x100 fs/open.c:352 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f62ddd85d29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f62deca6038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f62ddf75fa0 RCX: 00007f62ddd85d29 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000005 RBP: 00007f62dde01aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000007000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f62ddf75fa0 R15: 00007fff9e0bb328 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/12/20 14:08 | linux-6.1.y | 29f02ec58a94 | 0f61b415 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in ntfs_fallocate | ||
2024/10/03 12:31 | linux-6.1.y | aa4cd140bba5 | a4c7fd36 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in ntfs_fallocate | ||
2024/08/12 18:14 | linux-6.1.y | 36790ef5e00b | 842184b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in ntfs_fallocate | ||
2024/06/10 20:53 | linux-6.1.y | 88690811da69 | 048c640a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in ntfs_fallocate | ||
2024/05/16 21:06 | linux-6.1.y | 909ba1f1b414 | c2e07261 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in ntfs_fallocate | ||
2024/02/01 17:38 | linux-6.1.y | e5c3b988b827 | 81024119 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in ntfs_fallocate | ||
2024/12/07 22:36 | linux-6.1.y | e4d90d63d385 | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/12/07 00:12 | linux-6.1.y | e4d90d63d385 | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/12/05 03:21 | linux-6.1.y | e4d90d63d385 | b50eb251 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/11/06 04:49 | linux-6.1.y | 7c15117f9468 | 3a465482 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/10/11 11:19 | linux-6.1.y | aa4cd140bba5 | cd942402 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/10/08 09:54 | linux-6.1.y | aa4cd140bba5 | 402f1df0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/08/19 20:02 | linux-6.1.y | ee5e09825b81 | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/08/19 20:01 | linux-6.1.y | ee5e09825b81 | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/08/19 20:00 | linux-6.1.y | ee5e09825b81 | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/05/15 12:11 | linux-6.1.y | 909ba1f1b414 | 94b087b1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/04/08 14:15 | linux-6.1.y | 347385861c50 | 53df08b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/04/08 04:08 | linux-6.1.y | 347385861c50 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2024/03/10 13:00 | linux-6.1.y | 61adba85cc40 | 6ee49f2e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate | ||
2023/11/22 18:33 | linux-6.1.y | 69e434a1cb21 | 03e12510 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in ntfs_fallocate |