| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2026/05/31 | upstream (ToT) | e43ffb69e043 | C | Failed due to an error; will retry later |
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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2026/05/31 | upstream (ToT) | e43ffb69e043 | C | Failed due to an error; will retry later |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | WARNING in bfs_get_block bfs prio:low | -1 | C | error | 176 | 7h12m | 64d | 0/29 | upstream: reported C repro on 2026/03/30 05:05 | |
| linux-6.6 | WARNING in bfs_get_block origin:upstream | -1 | C | error | 6 | 37d | 39d | 0/2 | upstream: reported C repro on 2026/04/24 05:14 |
loop0: detected capacity change from 0 to 64 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4458 at fs/buffer.c:1081 mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081 Modules linked in: CPU: 0 PID: 4458 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081 lr : mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081 sp : ffff8000213c75c0 x29: ffff8000213c75c0 x28: ffff0000cd80e018 x27: 1fffe00019b01c2c x26: ffff0000ec574c00 x25: ffff0000e5760008 x24: ffff0000c063f658 x23: ffff0000cd80e160 x22: ffff0000c0655d98 x21: dfff800000000000 x20: 0000000000000010 x19: ffff0000c063f658 x18: 0000000000000000 x17: ffff80001835b000 x16: ffff8000082d93d8 x15: 0000000000000000 x14: 0000000000000001 x13: 1fffe000180c7ecb x12: 0000000000ff0100 x11: ff00800008a8f92c x10: 0000000000000000 x9 : ffff800008a8f92c x8 : ffff0000c40f3780 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff0000ec574e00 x4 : ffff0000e9a64600 x3 : ffff800008a8f634 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081 bfs_move_block fs/bfs/file.c:43 [inline] bfs_move_blocks fs/bfs/file.c:56 [inline] bfs_get_block+0x478/0x960 fs/bfs/file.c:125 __block_write_begin_int+0x350/0x1388 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 bfs_write_begin+0x48/0xec fs/bfs/file.c:177 generic_perform_write+0x234/0x4f4 mm/filemap.c:3862 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:3989 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x3ec/0x7f0 fs/read_write.c:584 ksys_write+0x12c/0x224 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 3896 hardirqs last enabled at (3895): [<ffff800008a8f01c>] bh_lru_install fs/buffer.c:1258 [inline] hardirqs last enabled at (3895): [<ffff800008a8f01c>] __find_get_block+0xbd0/0xddc fs/buffer.c:1309 hardirqs last disabled at (3896): [<ffff800011a39234>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3824): [<ffff800008030954>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (3822): [<ffff800008030920>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/05/27 09:36 | linux-6.1.y | dcbcab9d7079 | 2b01f00e | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | WARNING in bfs_get_block | |
| 2026/05/07 22:50 | linux-6.1.y | 4931e0e1673d | cbf9e0fc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | WARNING in bfs_get_block |