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kernel BUG in close_ctree

Status: upstream: reported C repro on 2022/11/23 08:10
Subsystems: btrfs
[Documentation on labels]
Reported-by: syzbot+2665d678fffcc4608e18@syzkaller.appspotmail.com
First crash: 1293d, last: 2d18h
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (2)
ID Workflow Result Correct Bug Created Started Finished Revision Error
846dd5cf-4ef2-44f5-9c27-6a93ea2f4bf8 assessment-security 💥 kernel BUG in close_ctree 2026/06/02 15:52 2026/06/02 15:52 2026/06/02 16:27 62fe15281f5011cd203d8845b8767b10e7443aa5 failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/421475fb4f440f3f1d98b6ae8135f930f2c83911" "-s" "bzImage" "compile_commands.json"]: exit status 2 Root cause: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size] ld.lld: error: undefined symbol: wcslen * * Restart config... * * * General architecture-dependent options * Kprobes (KPROBES) [N/y/?] n Optimize very unlikely/likely branches (JUMP_LABEL) [Y/n/?] y Static key selftest (STATIC_KEYS_SELFTEST) [N/y/?] n Static call selftest (STATIC_CALL_SELFTEST) [N/y/?] n Enable seccomp to safely execute untrusted bytecode (SECCOMP) [Y/n/?] y Show seccomp filter cache status in /proc/pid/seccomp_cache (SECCOMP_CACHE_DEBUG) [N/y/?] n Link Time Optimization (LTO) > 1. None (LTO_NONE) choice[1]: 1 Use Clang's Control Flow Integrity (CFI) (CFI_CLANG) [N/y/?] (NEW) Error in reading or end of file. Number of bits to use for ASLR of mmap base address (ARCH_MMAP_RND_BITS) [28] 28 Number of bits to use for ASLR of mmap base address for compatible applications (ARCH_MMAP_RND_COMPAT_BITS) [8] 8 MMU page size > 1. 4KiB pages (PAGE_SIZE_4KB) choice[1]: 1 Provide system calls for 32-bit time_t (COMPAT_32BIT_TIME) [Y/n/?] y Use a virtually-mapped stack (VMAP_STACK) [Y/n/?] y Support for randomizing kernel stack offset on syscall entry (RANDOMIZE_KSTACK_OFFSET) [Y/n/?] y Default state of kernel stack offset randomization (RANDOMIZE_KSTACK_OFFSET_DEFAULT) [N/y/?] n Locking event counts collection (LOCK_EVENT_COUNTS) [N/y/?] n * * Kernel hardening options * Randomize layout of sensitive kernel structures > 1. Disable structure layout randomization (RANDSTRUCT_NONE) 2. Fully randomize structure layout (RANDSTRUCT_FULL) (NEW) choice[1-2?]: Error in reading or end of file. * * Compile-time checks and compiler options * Debug information 1. Disable debug information (DEBUG_INFO_NONE) 2. Rely on the toolchain's implicit default DWARF version (DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT) > 3. Generate DWARF Version 4 debuginfo (DEBUG_INFO_DWARF4) 4. Generate DWARF Version 5 debuginfo (DEBUG_INFO_DWARF5) choice[1-4?]: 3 Reduce debugging information (DEBUG_INFO_REDUCED) [N/y/?] n Compressed Debug information > 1. Don't compress debug information (DEBUG_INFO_COMPRESSED_NONE) 2. Compress debugging information with zlib (DEBUG_INFO_COMPRESSED_ZLIB) 3. Compress debugging information with zstd (DEBUG_INFO_COMPRESSED_ZSTD) (NEW) choice[1-3?]: Error in reading or end of file. Produce split debuginfo in .dwo files (DEBUG_INFO_SPLIT) [N/y/?] n Generate BTF type information (DEBUG_INFO_BTF) [N/y/?] n Provide GDB scripts for kernel debugging (GDB_SCRIPTS) [N/y/?] n Warn for stack frames larger than (FRAME_WARN) [2048] 2048 Strip assembler-generated symbols during link (STRIP_ASM_SYMS) [N/y/?] n Install uapi headers to usr/include (HEADERS_INSTALL) [N/y/?] n Make section mismatch errors non-fatal (SECTION_MISMATCH_WARN_ONLY) [Y/n/?] y Force all function address 64B aligned (DEBUG_FORCE_FUNCTION_ALIGN_64B) [N/y/?] n Generate vmlinux.map file when linking (VMLINUX_MAP) [N/y/?] n Force weak per-cpu definitions (DEBUG_FORCE_WEAK_PER_CPU) [N/y/?] n In file included from /app/workdir/cache/src/d2f403c0566a2011610f57103be097eb1c44c724/io_uring/io_uring.c:97: In file included from /app/workdir/cache/src/d2f403c0566a2011610f57103be097eb1c44c724/io_uring/napi.h:8: In file included from /app/workdir/cache/src/d2f403c0566a2011610f57103be097eb1c44c724/include/net/busy_poll.h:18: /app/workdir/cache/src/d2f403c0566a2011610f57103be097eb1c44c724/include/net/ip.h:472:14: warning: default initialization of an object of type 'typeof (rt->dst.expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe] 472 |
4b81857a-04d4-47ac-bfe2-ab668ee0e335 assessment-security 💥 kernel BUG in close_ctree 2026/05/25 21:38 2026/05/25 21:38 2026/05/25 22:10 c69befb30ac10e158cc9d1557b508ee3f0eca1de failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/421475fb4f440f3f1d98b6ae8135f930f2c83911" "-s" "bzImage" "compile_commands.json"]: exit status 2 Root cause: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size] ld.lld: error: undefined symbol: wcslen * * Restart config... * * * General architecture-dependent options * Kprobes (KPROBES) [N/y/?] n Optimize very unlikely/likely branches (JUMP_LABEL) [Y/n/?] y Static key selftest (STATIC_KEYS_SELFTEST) [N/y/?] n Static call selftest (STATIC_CALL_SELFTEST) [N/y/?] n Enable seccomp to safely execute untrusted bytecode (SECCOMP) [Y/n/?] y Show seccomp filter cache status in /proc/pid/seccomp_cache (SECCOMP_CACHE_DEBUG) [N/y/?] n Link Time Optimization (LTO) > 1. None (LTO_NONE) choice[1]: 1 Use Clang's Control Flow Integrity (CFI) (CFI_CLANG) [N/y/?] (NEW) Error in reading or end of file. Number of bits to use for ASLR of mmap base address (ARCH_MMAP_RND_BITS) [28] 28 Number of bits to use for ASLR of mmap base address for compatible applications (ARCH_MMAP_RND_COMPAT_BITS) [8] 8 MMU page size > 1. 4KiB pages (PAGE_SIZE_4KB) choice[1]: 1 Provide system calls for 32-bit time_t (COMPAT_32BIT_TIME) [Y/n/?] y Use a virtually-mapped stack (VMAP_STACK) [Y/n/?] y Support for randomizing kernel stack offset on syscall entry (RANDOMIZE_KSTACK_OFFSET) [Y/n/?] y Default state of kernel stack offset randomization (RANDOMIZE_KSTACK_OFFSET_DEFAULT) [N/y/?] n Locking event counts collection (LOCK_EVENT_COUNTS) [N/y/?] n * * Kernel hardening options * Randomize layout of sensitive kernel structures > 1. Disable structure layout randomization (RANDSTRUCT_NONE) 2. Fully randomize structure layout (RANDSTRUCT_FULL) (NEW) choice[1-2?]: Error in reading or end of file. * * Compile-time checks and compiler options * Debug information 1. Disable debug information (DEBUG_INFO_NONE) 2. Rely on the toolchain's implicit default DWARF version (DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT) > 3. Generate DWARF Version 4 debuginfo (DEBUG_INFO_DWARF4) 4. Generate DWARF Version 5 debuginfo (DEBUG_INFO_DWARF5) choice[1-4?]: 3 Reduce debugging information (DEBUG_INFO_REDUCED) [N/y/?] n Compressed Debug information > 1. Don't compress debug information (DEBUG_INFO_COMPRESSED_NONE) 2. Compress debugging information with zlib (DEBUG_INFO_COMPRESSED_ZLIB) 3. Compress debugging information with zstd (DEBUG_INFO_COMPRESSED_ZSTD) (NEW) choice[1-3?]: Error in reading or end of file. Produce split debuginfo in .dwo files (DEBUG_INFO_SPLIT) [N/y/?] n Generate BTF type information (DEBUG_INFO_BTF) [N/y/?] n Provide GDB scripts for kernel debugging (GDB_SCRIPTS) [N/y/?] n Warn for stack frames larger than (FRAME_WARN) [2048] 2048 Strip assembler-generated symbols during link (STRIP_ASM_SYMS) [N/y/?] n Install uapi headers to usr/include (HEADERS_INSTALL) [N/y/?] n Make section mismatch errors non-fatal (SECTION_MISMATCH_WARN_ONLY) [Y/n/?] y Force all function address 64B aligned (DEBUG_FORCE_FUNCTION_ALIGN_64B) [N/y/?] n Generate vmlinux.map file when linking (VMLINUX_MAP) [N/y/?] n Force weak per-cpu definitions (DEBUG_FORCE_WEAK_PER_CPU) [N/y/?] n In file included from /app/workdir/cache/src/5f9961b80b4fa4dac84c19a4cebed9b8a580b390/io_uring/io_uring.c:97: In file included from /app/workdir/cache/src/5f9961b80b4fa4dac84c19a4cebed9b8a580b390/io_uring/napi.h:8: In file included from /app/workdir/cache/src/5f9961b80b4fa4dac84c19a4cebed9b8a580b390/include/net/busy_poll.h:18: /app/workdir/cache/src/5f9961b80b4fa4dac84c19a4cebed9b8a580b390/include/net/ip.h:472:14: warning: default initialization of an object of type 'typeof (rt->dst.expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe] 472 |
▶ ▼ Discussions (33)
Title Replies (including bot) Last reply
[syzbot] Monthly btrfs report (Jun 2026) 0 (1) 2026/06/03 04:32
[syzbot] Monthly btrfs report (Apr 2026) 0 (1) 2026/04/01 13:14
[syzbot] Monthly btrfs report (Jan 2026) 0 (1) 2026/01/29 09:07
[syzbot] Monthly btrfs report (Dec 2025) 0 (1) 2025/12/29 10:21
[syzbot] Monthly btrfs report (Sep 2025) 0 (1) 2025/09/26 05:14
[syzbot] Monthly btrfs report (Aug 2025) 0 (1) 2025/08/26 07:13
[syzbot] Monthly btrfs report (Jul 2025) 0 (1) 2025/07/25 12:39
[syzbot] Monthly btrfs report (Apr 2025) 0 (1) 2025/04/23 07:50
[syzbot] kernel BUG in close_ctree 3 (8) 2025/03/23 06:21
[syzbot] Monthly btrfs report (Mar 2025) 0 (1) 2025/03/22 18:47
[syzbot] Monthly btrfs report (Feb 2025) 0 (1) 2025/02/19 12:35
[syzbot] Monthly btrfs report (Jan 2025) 0 (1) 2025/01/20 08:14
[syzbot] Monthly btrfs report (Dec 2024) 0 (1) 2024/12/19 18:39
[syzbot] Monthly btrfs report (Nov 2024) 0 (1) 2024/11/18 10:39
[syzbot] Monthly btrfs report (Oct 2024) 0 (1) 2024/10/17 07:41
[syzbot] Monthly btrfs report (Sep 2024) 0 (1) 2024/09/16 12:27
[syzbot] Monthly btrfs report (Aug 2024) 0 (1) 2024/08/16 09:47
[syzbot] Monthly btrfs report (Jul 2024) 0 (1) 2024/07/15 14:03
[syzbot] Monthly btrfs report (Jun 2024) 0 (1) 2024/06/14 08:14
[syzbot] Monthly btrfs report (May 2024) 0 (1) 2024/05/13 21:13
[syzbot] Monthly btrfs report (Apr 2024) 0 (1) 2024/04/12 13:18
[syzbot] Monthly btrfs report (Mar 2024) 0 (1) 2024/03/12 09:29
[syzbot] Monthly btrfs report (Feb 2024) 2 (3) 2024/02/12 12:15
[syzbot] Monthly btrfs report (Jan 2024) 0 (1) 2024/01/10 09:16
[syzbot] Monthly btrfs report (Dec 2023) 0 (1) 2023/12/06 10:05
[syzbot] Monthly btrfs report (Nov 2023) 0 (1) 2023/11/05 13:07
[syzbot] Monthly btrfs report (Oct 2023) 0 (1) 2023/10/04 14:48
[syzbot] Monthly btrfs report (Aug 2023) 0 (1) 2023/08/30 09:53
[syzbot] Monthly btrfs report (Jul 2023) 0 (1) 2023/07/30 13:15
[syzbot] Monthly btrfs report (Jun 2023) 0 (1) 2023/06/29 10:14
[syzbot] Monthly btrfs report (May 2023) 0 (1) 2023/05/30 08:21
[syzbot] Monthly btrfs report (Apr 2023) 0 (1) 2023/04/27 10:13
[syzbot] [btrfs] Monthly Report 1 (2) 2023/03/27 13:42
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in close_ctree missing-backport origin:upstream -1 C done 899 54d 1181d 0/3 upstream: reported C repro on 2023/03/13 21:19
linux-6.1 kernel BUG in close_ctree origin:upstream missing-backport -1 C done 622 515d 1183d 3/3 fixed on 2025/02/10 13:25
linux-6.1 kernel BUG in close_ctree (2) origin:upstream missing-backport -1 syz inconclusive 10 36d 472d 0/3 upstream: reported syz repro on 2025/02/20 01:29
▶ ▼ Last patch testing requests (13)
Created Duration User Patch Repo Result
2026/05/10 06:05 31m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2026/05/08 13:25 19m retest repro upstream report log
2026/05/08 13:25 23m retest repro upstream report log
2026/02/28 12:51 1h03m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci error
2026/02/27 12:23 12m retest repro upstream report log
2026/02/27 12:23 20m retest repro upstream report log
2025/12/20 06:13 39m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/12/20 06:10 22m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/12/19 11:27 18m retest repro upstream report log
2025/12/19 10:15 12m retest repro upstream report log
2025/03/23 05:57 20m quwenruo.btrfs@gmx.com https://github.com/btrfs/linux.git for-next OK log
2024/11/01 05:33 21m sunjunchao2870@gmail.com upstream OK log
2024/11/01 03:05 11m sunjunchao2870@gmail.com git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git -- error

Sample crash report:
assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4341
------------[ cut here ]------------
kernel BUG at fs/btrfs/disk-io.c:4341!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 PID: 5241 Comm: syz-executor509 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:close_ctree+0xda6/0xfd0 fs/btrfs/disk-io.c:4341
Code: e9 7e fb ff ff e8 1a 60 02 fe b9 f5 10 00 00 48 c7 c2 e0 37 56 8b 48 c7 c6 c0 72 56 8b 48 c7 c7 60 38 56 8b e8 3b 03 e3 fd 90 <0f> 0b e8 f3 5f 02 fe b9 fe 10 00 00 48 c7 c2 e0 37 56 8b 48 c7 c6
RSP: 0018:ffffc900000f7bf0 EFLAGS: 00010282
RAX: 0000000000000051 RBX: ffff88801e6e0d38 RCX: ffffffff816e81e9
RDX: 0000000000000000 RSI: ffffffff816f0f26 RDI: 0000000000000005
RBP: ffff88801e6e0010 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888023cc4788 R14: ffff88801e6e0000 R15: ffff8880208b0580
FS:  000055558a206380(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff89fe4bf8 CR3: 000000002d592000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 generic_shutdown_super+0x159/0x3d0 fs/super.c:641
 kill_anon_super+0x3a/0x60 fs/super.c:1225
 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2091
 deactivate_locked_super+0xbe/0x1a0 fs/super.c:472
 deactivate_super+0xde/0x100 fs/super.c:505
 cleanup_mnt+0x222/0x450 fs/namespace.c:1267
 task_work_run+0x14e/0x250 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x260 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d1c46a4f7
Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff47315cf8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9d1c46a4f7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff47315db0
RBP: 00007fff47315db0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff47316e10
R13: 000055558a2076c0 R14: 0000000000000058 R15: 431bde82d7b634db
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:close_ctree+0xda6/0xfd0 fs/btrfs/disk-io.c:4341
Code: e9 7e fb ff ff e8 1a 60 02 fe b9 f5 10 00 00 48 c7 c2 e0 37 56 8b 48 c7 c6 c0 72 56 8b 48 c7 c7 60 38 56 8b e8 3b 03 e3 fd 90 <0f> 0b e8 f3 5f 02 fe b9 fe 10 00 00 48 c7 c2 e0 37 56 8b 48 c7 c6
RSP: 0018:ffffc900000f7bf0 EFLAGS: 00010282
RAX: 0000000000000051 RBX: ffff88801e6e0d38 RCX: ffffffff816e81e9
RDX: 0000000000000000 RSI: ffffffff816f0f26 RDI: 0000000000000005
RBP: ffff88801e6e0010 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888023cc4788 R14: ffff88801e6e0000 R15: ffff8880208b0580
FS:  000055558a206380(0000) GS:ffff88806b400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558a206ca8 CR3: 000000002d592000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (6593):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/08 16:10 upstream dccb07f2914c 9473be88 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream kernel BUG in close_ctree
2024/04/27 09:18 upstream e6ebf0117218 07b455f9 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream kernel BUG in close_ctree
2026/06/05 01:41 upstream 9154c4af7829 197909be .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/05/27 04:30 upstream d60ec36cab33 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/05/25 15:16 upstream e7ae89a0c97c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/05/21 04:14 upstream 8bc67e4db64a 41b8c833 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/05/18 20:48 upstream 5200f5f493f7 55156e84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/05/13 20:25 upstream 1d5dcaa3bd65 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/24 04:56 upstream c369299895a5 baf8bf12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/22 22:17 upstream 8d8bd2a5aa98 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/22 01:01 upstream 113ae7b4decc 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/21 17:04 upstream 42bddab0563f 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/21 13:11 upstream 42bddab0563f 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/21 06:11 upstream 42bddab0563f 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/21 04:13 upstream 165160265e4b 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/20 23:18 upstream 165160265e4b ac6f1dff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/20 20:26 upstream 165160265e4b ac6f1dff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/20 11:28 upstream 0e4f8f1a3d08 2f245add .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/20 07:45 upstream 0e4f8f1a3d08 2f245add .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/18 16:08 upstream a989fde763f4 0199f9a1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/18 12:30 upstream a989fde763f4 0199f9a1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/17 09:27 upstream 2d1373e4246d c01bca74 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/03/14 02:19 upstream b36eb6e3f5d8 351cb5cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/02/08 10:42 upstream e7aa57247700 4c131dc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/02/07 07:25 upstream 2687c848e578 f20fc9f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/02/07 05:55 upstream 2687c848e578 f20fc9f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/02/07 02:12 upstream 2687c848e578 f20fc9f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/02/06 13:49 upstream b7ff7151e653 97745f52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/01/18 07:36 upstream d12453c7e281 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2026/01/13 14:37 upstream b71e635feefc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/11/05 10:16 upstream 284922f4c563 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/11/03 08:25 upstream 6146a0f1dfae 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/09/15 16:47 upstream f83ec76bf285 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/09/08 20:14 upstream f777d1112ee5 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/08/27 18:53 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2025/08/17 11:17 upstream 99bade344cfa 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/08/07 20:34 upstream 6e64f4580381 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/07/13 21:11 upstream 5d5d62298b8b 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/07/01 04:43 upstream 66701750d556 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in close_ctree
2025/05/30 13:05 upstream f66bc387efbe 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/05/28 14:14 upstream feacb1774bd5 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/05/01 04:25 upstream 7a13c14ee59d ce7952f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/04/17 13:50 upstream cfb2e2c57aef 229db4cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2025/04/14 10:24 upstream 8ffd015db85f 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2024/11/27 15:10 upstream 798bb342e041 52b38cc1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2024/11/21 00:36 upstream 8f7c8b88bda4 4fca1650 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2024/10/17 03:15 upstream c964ced77262 666f77ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-upstream-fs kernel BUG in close_ctree
2024/10/10 00:47 upstream 75b607fab38d 56fb2cb7 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2024/08/29 01:52 upstream 86987d84b968 ef3de9e8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2024/08/28 07:55 upstream 3ec3f5fc4a91 6c853ff9 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-upstream-fs kernel BUG in close_ctree
2024/08/28 04:55 upstream 3ec3f5fc4a91 6c853ff9 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-upstream-fs kernel BUG in close_ctree
2024/08/28 01:11 upstream 3ec3f5fc4a91 6c853ff9 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-upstream-fs kernel BUG in close_ctree
2024/06/13 02:36 upstream cea2a26553ac 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2024/06/08 07:45 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in close_ctree
2024/04/27 13:21 upstream 5eb4573ea63d 07b455f9 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2024/01/01 09:44 upstream 2639772a11c8 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/11/16 10:32 upstream c42d9eeef8e5 cb976f63 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/11/16 00:33 upstream c42d9eeef8e5 cb976f63 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/10/31 20:18 upstream 5a6a09e97199 58499c95 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/10/25 03:07 upstream d88520ad73b7 17e6d526 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/10/09 11:09 upstream 94f6f0550c62 5e837c76 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-upstream-fs kernel BUG in close_ctree
2023/10/04 21:57 upstream cbf3a2cb156a b7d7ff54 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/10/04 07:54 upstream cbf3a2cb156a 65faba36 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root kernel BUG in close_ctree
2023/08/26 16:14 upstream 382d4cd18475 7ba13a15 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/08/26 11:58 upstream 382d4cd18475 03d9c195 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/08/21 10:20 upstream f7757129e3de d216d8a0 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/08/13 09:37 upstream a785fd28d31f 39990d51 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/08/09 12:43 upstream 13b937206866 3c27dfcd .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/08/01 03:50 upstream 5d0c230f1de8 2a0d0f29 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-badwrites-root kernel BUG in close_ctree
2023/07/29 23:12 upstream ffabf7c73176 92476829 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/07/29 22:04 upstream ffabf7c73176 92476829 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/07/29 19:08 upstream ffabf7c73176 92476829 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/07/29 03:21 upstream f837f0a3c948 92476829 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/07/15 17:15 upstream b6e6cc1f78c7 35d9ecc5 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2022/11/25 17:09 upstream c3eb11fbb826 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2025/07/18 09:05 upstream 6832a9317eee 88248e14 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in close_ctree
2024/11/04 03:47 upstream b9021de3ec2f f00eed24 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in close_ctree
2024/06/21 10:43 upstream 50736169ecc8 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream kernel BUG in close_ctree
2024/04/13 14:50 upstream 8f2c057754b2 c8349e48 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream kernel BUG in close_ctree
2024/03/14 11:40 upstream e5e038b7ae9d 8d8ee116 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream kernel BUG in close_ctree
2024/01/04 03:54 upstream ac865f00af29 28c42cff .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream kernel BUG in close_ctree
2024/06/15 21:22 upstream 2ccbdf43d5e7 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel BUG in close_ctree
2022/11/21 23:24 upstream eb7081409f94 1c576c23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in close_ctree
2026/03/17 13:12 linux-next 95c541ddfb08 c01bca74 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2025/12/24 20:36 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2025/06/08 03:07 linux-next 475c850a7fdd 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2023/07/15 12:50 linux-next 7c2878be5732 35d9ecc5 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2026/01/15 02:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in close_ctree
2025/07/08 22:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ec4801305969 abade794 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in close_ctree
2025/05/07 17:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e0f4c8dd9d2d 350f4ffc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in close_ctree
2024/11/30 05:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 68914665 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2024/11/09 04:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca3a5c08a5ef 6b856513 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2024/07/16 14:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c912bf709078 b66b37bd .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2024/02/27 01:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9abbc24128bc edd6a5e9 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2024/02/24 11:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9abbc24128bc 8d446f15 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2023/11/18 05:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
* Struck through repros no longer work on HEAD.