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🐞 Open [975] 🐞 Fixed [3918] 🐞 Invalid [8491] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in compact_zone / compact_zone | 3 | 825d | 837d | 0/23 | auto-closed as invalid on 2020/06/18 13:23 | |||
upstream | KCSAN: data-race in compact_zone / compact_zone (5) | 58 | 299d | 329d | 0/23 | auto-closed as invalid on 2021/11/17 00:44 | |||
upstream | KCSAN: data-race in compact_zone / compact_zone (2) | 1 | 750d | 750d | 0/23 | auto-closed as invalid on 2020/08/23 00:57 | |||
upstream | KCSAN: data-race in compact_zone / compact_zone (4) | 4 | 546d | 566d | 0/23 | auto-closed as invalid on 2021/03/15 05:37 |
================================================================== BUG: KCSAN: data-race in compact_zone / compact_zone write to 0xffff88813fffc290 of 8 bytes by task 25217 on cpu 1: update_cached_migrate mm/compaction.c:435 [inline] isolate_migratepages mm/compaction.c:1843 [inline] compact_zone+0x1397/0x1d30 mm/compaction.c:2290 compact_zone_order mm/compaction.c:2434 [inline] try_to_compact_pages+0x28e/0x580 mm/compaction.c:2492 __alloc_pages_direct_compact+0x89/0x1a0 mm/page_alloc.c:4108 __alloc_pages_slowpath+0x5af/0x9c0 mm/page_alloc.c:4761 __alloc_pages_nodemask+0x269/0x350 mm/page_alloc.c:4965 __alloc_pages include/linux/gfp.h:511 [inline] __alloc_pages_node include/linux/gfp.h:524 [inline] alloc_pages_vma+0x718/0x890 mm/mempolicy.c:2215 shmem_alloc_hugepage mm/shmem.c:1548 [inline] shmem_alloc_and_acct_page+0x3e6/0x650 mm/shmem.c:1588 shmem_getpage_gfp+0x568/0x1960 mm/shmem.c:1890 shmem_getpage mm/shmem.c:155 [inline] shmem_write_begin+0x80/0x100 mm/shmem.c:2533 generic_perform_write+0x196/0x3a0 mm/filemap.c:3311 __generic_file_write_iter+0x15c/0x330 mm/filemap.c:3440 generic_file_write_iter+0x75/0x130 mm/filemap.c:3472 call_write_iter include/linux/fs.h:1887 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x617/0x690 fs/read_write.c:605 ksys_write+0xce/0x180 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:667 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88813fffc290 of 8 bytes by task 25221 on cpu 0: update_cached_migrate mm/compaction.c:434 [inline] isolate_migratepages mm/compaction.c:1843 [inline] compact_zone+0x1373/0x1d30 mm/compaction.c:2290 compact_zone_order mm/compaction.c:2434 [inline] try_to_compact_pages+0x28e/0x580 mm/compaction.c:2492 __alloc_pages_direct_compact+0x89/0x1a0 mm/page_alloc.c:4108 __alloc_pages_slowpath+0x2b5/0x9c0 mm/page_alloc.c:4679 __alloc_pages_nodemask+0x269/0x350 mm/page_alloc.c:4965 __alloc_pages include/linux/gfp.h:511 [inline] __alloc_pages_node include/linux/gfp.h:524 [inline] alloc_pages_vma+0x718/0x890 mm/mempolicy.c:2215 shmem_alloc_hugepage mm/shmem.c:1548 [inline] shmem_alloc_and_acct_page+0x3e6/0x650 mm/shmem.c:1588 shmem_getpage_gfp+0x568/0x1960 mm/shmem.c:1890 shmem_getpage mm/shmem.c:155 [inline] shmem_write_begin+0x80/0x100 mm/shmem.c:2533 generic_perform_write+0x196/0x3a0 mm/filemap.c:3311 __generic_file_write_iter+0x15c/0x330 mm/filemap.c:3440 generic_file_write_iter+0x75/0x130 mm/filemap.c:3472 call_write_iter include/linux/fs.h:1887 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x617/0x690 fs/read_write.c:605 ksys_write+0xce/0x180 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:667 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 25221 Comm: syz-executor.0 Not tainted 5.10.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2020/10/31 18:14 | upstream | 5fc6b075e165 | 8bc4594f | .config | log | report | info | |||
ci2-upstream-kcsan-gce | 2020/10/05 12:10 | upstream | 549738f15da0 | 5ef9c291 | .config | log | report | info |