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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | WARNING in btrfs_add_link btrfs | -1 | C | error | unreliable | 7 | 1208d | 1228d | 0/29 | auto-obsoleted due to no activity on 2023/07/21 23:31 |
| upstream | WARNING in btrfs_add_link (2) btrfs | -1 | 1 | 8d00h | 4d00h | 0/29 | upstream: reported on 2026/02/23 22:56 | |||
| linux-5.15 | WARNING in btrfs_add_link (2) origin:lts-only | -1 | C | error | 8 | 4d23h | 580d | 0/3 | upstream: reported C repro on 2024/07/27 06:25 |
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 13628 at fs/btrfs/inode.c:6698 btrfs_add_link+0x7ac/0xbcc fs/btrfs/inode.c:6698 Modules linked in: CPU: 1 PID: 13628 Comm: syz-executor.4 Not tainted 5.15.109-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_add_link+0x7ac/0xbcc fs/btrfs/inode.c:6698 lr : btrfs_add_link+0x7ac/0xbcc fs/btrfs/inode.c:6698 sp : ffff800026097460 x29: ffff800026097560 x28: 0000000000000100 x27: 0000000000000108 x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700004c12e94 x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff000120e21790 x20: 1fffe000241c42fd x19: ffff000120e217e8 x18: 0000000000000001 x17: ff8080000833451c x16: ffff8000119409d4 x15: ffff80000833451c x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000000f27c x10: ffff8000260e9000 x9 : 7a5927b107cdb400 x8 : 7a5927b107cdb400 x7 : fffffffffffc2618 x6 : fffffffffffc25c8 x5 : ffff800026096bd8 x4 : ffff8000149806c8 x3 : ffff80000854ade0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: btrfs_add_link+0x7ac/0xbcc fs/btrfs/inode.c:6698 btrfs_add_nondir fs/btrfs/inode.c:6749 [inline] btrfs_create+0x42c/0x56c fs/btrfs/inode.c:6871 lookup_open fs/namei.c:3392 [inline] open_last_lookups fs/namei.c:3462 [inline] path_openat+0xec0/0x26f0 fs/namei.c:3669 do_filp_open+0x1a8/0x3b4 fs/namei.c:3699 do_sys_openat2+0x128/0x3d8 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1238 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 82218 hardirqs last enabled at (82217): [<ffff80000832a15c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (82218): [<ffff80001193c068>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (82194): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (82194): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (82143): [<ffff8000081b56e0>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (82143): [<ffff8000081b56e0>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (82143): [<ffff8000081b56e0>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 94a7319fe4b40e07 ]--- BTRFS: error (device loop4) in btrfs_add_link:6698: errno=-12 Out of memory BTRFS info (device loop4): forced readonly
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/04/27 20:43 | linux-5.15.y | f48aeeaaa64c | 6f3d6fa7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | WARNING in btrfs_add_link |