Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in mlock_folio / need_mlock_page_drain (2) mm | 6 | 1 | 1001d | 1001d | 0/29 | auto-obsoleted due to no activity on 2022/11/20 16:21 |
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Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in mlock_folio / need_mlock_page_drain (2) mm | 6 | 1 | 1001d | 1001d | 0/29 | auto-obsoleted due to no activity on 2022/11/20 16:21 |
================================================================== BUG: KCSAN: data-race in mlock_folio / need_mlock_page_drain read-write to 0xffff888237d27ec0 of 1 bytes by task 6823 on cpu 1: pagevec_add include/linux/pagevec.h:75 [inline] mlock_folio+0x1fc/0x2d0 mm/mlock.c:258 mlock_vma_folio mm/internal.h:524 [inline] mlock_vma_page mm/internal.h:530 [inline] page_add_file_rmap+0x10b/0x1b0 mm/rmap.c:1336 do_set_pte+0x258/0x500 mm/memory.c:4309 filemap_map_pages+0x675/0xae0 mm/filemap.c:3392 do_fault_around mm/memory.c:4480 [inline] do_read_fault mm/memory.c:4506 [inline] do_fault+0x433/0xb20 mm/memory.c:4640 handle_pte_fault mm/memory.c:4903 [inline] __handle_mm_fault mm/memory.c:5042 [inline] handle_mm_fault+0x889/0xa90 mm/memory.c:5140 faultin_page mm/gup.c:953 [inline] __get_user_pages+0x34a/0xbf0 mm/gup.c:1174 populate_vma_page_range mm/gup.c:1518 [inline] __mm_populate+0x26e/0x3a0 mm/gup.c:1631 mm_populate include/linux/mm.h:2706 [inline] __do_sys_mlockall+0x24b/0x2d0 mm/mlock.c:720 __se_sys_mlockall mm/mlock.c:696 [inline] __x64_sys_mlockall+0x1a/0x20 mm/mlock.c:696 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 read to 0xffff888237d27ec0 of 1 bytes by task 6814 on cpu 0: pagevec_count include/linux/pagevec.h:62 [inline] need_mlock_page_drain+0x2c/0x50 mm/mlock.c:236 __lru_add_drain_all+0x24c/0x3e0 mm/swap.c:832 lru_cache_disable+0x1b/0x20 mm/swap.c:886 do_mbind+0x416/0x8b0 mm/mempolicy.c:1292 kernel_mbind mm/mempolicy.c:1470 [inline] __do_sys_mbind mm/mempolicy.c:1548 [inline] __se_sys_mbind+0x13b/0x3f0 mm/mempolicy.c:1544 __x64_sys_mbind+0x74/0x80 mm/mempolicy.c:1544 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 6814 Comm: syz-executor.5 Not tainted 5.19.0-rc1-syzkaller-00336-g997952851843-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/06/13 06:42 | upstream | 997952851843 | 0d5abf15 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in mlock_folio / need_mlock_page_drain |