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Title | Replies (including bot) | Last reply |
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[PATCH bpf-next] bpf: Mark bpf prog stack with kmsan_unposion_memory in interpreter mode | 2 (2) | 2024/03/29 02:10 |
[syzbot] [bpf?] [net?] KMSAN: uninit-value in dev_map_lookup_elem | 5 (9) | 2024/03/28 18:23 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/03/27 23:41 | 1h14m | martin.lau@linux.dev | git://git.kernel.org/pub/scm/linux/kernel/git/martin.lau/bpf-next.git d8889e866be3 | OK log | |
2024/03/27 22:18 | 7h42m | martin.lau@linux.dev | git://git.kernel.org/pub/scm/linux/kernel/git/martin.lau/bpf-next.git interpreter.kmsan | OK log | |
2024/03/27 18:46 | 10h53m | martin.lau@linux.dev | git://git.kernel.org/pub/scm/linux/kernel/git/martin.lau/bpf-next.git interpreter.kmsan | error |
===================================================== BUG: KMSAN: uninit-value in __dev_map_lookup_elem kernel/bpf/devmap.c:441 [inline] BUG: KMSAN: uninit-value in dev_map_lookup_elem+0xf3/0x170 kernel/bpf/devmap.c:796 __dev_map_lookup_elem kernel/bpf/devmap.c:441 [inline] dev_map_lookup_elem+0xf3/0x170 kernel/bpf/devmap.c:796 ____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_run256+0xb5/0xe0 kernel/bpf/core.c:2237 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_run5+0x16f/0x350 kernel/trace/bpf_trace.c:2423 __bpf_trace_ext4_remove_blocks+0x45/0x60 include/trace/events/ext4.h:1984 __traceiter_ext4_remove_blocks+0xb5/0x170 include/trace/events/ext4.h:1984 trace_ext4_remove_blocks include/trace/events/ext4.h:1984 [inline] ext4_remove_blocks fs/ext4/extents.c:2463 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2686 [inline] ext4_ext_remove_space+0x4e30/0x7e00 fs/ext4/extents.c:2934 ext4_ext_truncate+0x1e3/0x390 fs/ext4/extents.c:4440 ext4_truncate+0x14c6/0x1e10 fs/ext4/inode.c:4146 ext4_evict_inode+0x1886/0x24d0 fs/ext4/inode.c:258 evict+0x3ae/0xa60 fs/inode.c:667 iput_final fs/inode.c:1741 [inline] iput+0x9ca/0xe10 fs/inode.c:1767 d_delete_notify include/linux/fsnotify.h:307 [inline] vfs_rmdir+0x53c/0x790 fs/namei.c:4222 do_rmdir+0x630/0x8b0 fs/namei.c:4268 __do_sys_rmdir fs/namei.c:4287 [inline] __se_sys_rmdir fs/namei.c:4285 [inline] __x64_sys_rmdir+0x78/0xb0 fs/namei.c:4285 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 Local variable stack created at: __bpf_prog_run256+0x45/0xe0 kernel/bpf/core.c:2237 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_run5+0x16f/0x350 kernel/trace/bpf_trace.c:2423 CPU: 0 PID: 5017 Comm: syz-executor365 Not tainted 6.8.0-syzkaller-13236-g5e74df2f8f15 #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/03/25 04:23 | upstream | 5e74df2f8f15 | 0ea90952 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in dev_map_lookup_elem | |
2024/04/01 03:18 | upstream | 18737353cca0 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in dev_map_lookup_elem | ||
2024/03/25 02:07 | upstream | 5e74df2f8f15 | 0ea90952 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in dev_map_lookup_elem |