Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
KMSAN: uninit-value in dev_map_lookup_elem bpf net | C | 3 | 26d | 32d |
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[syzbot] [bpf?] KMSAN: uninit-value in percpu_array_map_lookup_elem | 1 (2) | 2024/04/09 05:37 |
===================================================== BUG: KMSAN: uninit-value in percpu_array_map_lookup_elem+0x142/0x160 kernel/bpf/arraymap.c:243 percpu_array_map_lookup_elem+0x142/0x160 kernel/bpf/arraymap.c:243 ____bpf_map_lookup_elem kernel/bpf/helpers.c:42 [inline] bpf_map_lookup_elem+0x5c/0x80 kernel/bpf/helpers.c:38 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997 __bpf_prog_run64+0xb5/0xe0 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run3+0x132/0x320 kernel/trace/bpf_trace.c:2421 __bpf_trace_ext4_es_insert_delayed_block+0x34/0x50 include/trace/events/ext4.h:2481 trace_ext4_es_insert_delayed_block include/trace/events/ext4.h:2481 [inline] ext4_es_insert_delayed_block+0x11e1/0x1290 fs/ext4/extents_status.c:2082 ext4_insert_delayed_block fs/ext4/inode.c:1676 [inline] ext4_da_map_blocks fs/ext4/inode.c:1777 [inline] ext4_da_get_block_prep+0x1714/0x1d30 fs/ext4/inode.c:1817 ext4_block_write_begin+0x749/0x1df0 fs/ext4/inode.c:1055 ext4_da_write_begin+0x889/0xec0 fs/ext4/inode.c:2894 generic_perform_write+0x400/0xc60 mm/filemap.c:3974 ext4_buffered_write_iter+0x564/0xaa0 fs/ext4/file.c:299 ext4_file_write_iter+0x208/0x3450 call_write_iter include/linux/fs.h:2108 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xb63/0x1520 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x93/0xe0 fs/read_write.c:652 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 Local variable stack created at: __bpf_prog_run64+0x45/0xe0 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run3+0x132/0x320 kernel/trace/bpf_trace.c:2421 CPU: 1 PID: 5001 Comm: syz-executor118 Not tainted 6.8.0-syzkaller-09791-ge5eb28f6d1af #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/03/16 05:10 | upstream | e5eb28f6d1af | d615901c | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | |
2024/04/01 21:46 | upstream | 39cd87c4eb2b | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/29 22:41 | upstream | 317c7bc0ef03 | c52bcb23 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/27 18:12 | upstream | 7033999ecd7b | 454571b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/17 20:59 | upstream | 741e9d668aa5 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/16 02:21 | upstream | e5eb28f6d1af | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/04/01 21:48 | upstream | 39cd87c4eb2b | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/29 22:48 | upstream | 317c7bc0ef03 | c52bcb23 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/27 18:13 | upstream | 7033999ecd7b | 454571b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/17 20:55 | upstream | 741e9d668aa5 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in percpu_array_map_lookup_elem | ||
2024/03/17 20:38 | upstream | 741e9d668aa5 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in percpu_array_map_lookup_elem |