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[syzbot] [mm?] KCSAN: data-race in compact_zone / isolate_migratepages_block (4) | 0 (1) | 2024/07/28 10:59 |
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[syzbot] [mm?] KCSAN: data-race in compact_zone / isolate_migratepages_block (4) | 0 (1) | 2024/07/28 10:59 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in compact_zone / isolate_migratepages_block mm | 1 | 1349d | 1349d | 0/27 | auto-closed as invalid on 2021/02/06 01:09 | |||
upstream | KCSAN: data-race in compact_zone / isolate_migratepages_block (2) mm | 1 | 1278d | 1278d | 0/27 | auto-closed as invalid on 2021/05/17 11:16 | |||
upstream | KCSAN: data-race in compact_zone / isolate_migratepages_block (3) mm | 2 | 256d | 275d | 0/27 | auto-obsoleted due to no activity on 2024/02/03 18:40 |
================================================================== BUG: KCSAN: data-race in compact_zone / isolate_migratepages_block write to 0xffff88823fffab90 of 8 bytes by task 11951 on cpu 1: update_cached_migrate mm/compaction.c:504 [inline] isolate_migratepages_block+0x24a5/0x2740 mm/compaction.c:1358 isolate_migratepages mm/compaction.c:2194 [inline] compact_zone+0x1e1e/0x2930 mm/compaction.c:2641 compact_zone_order mm/compaction.c:2806 [inline] try_to_compact_pages+0x388/0x920 mm/compaction.c:2862 __alloc_pages_direct_compact+0x6f/0x1e0 mm/page_alloc.c:3655 __alloc_pages_slowpath+0x567/0xd70 mm/page_alloc.c:4333 __alloc_pages_noprof+0x26d/0x360 mm/page_alloc.c:4713 alloc_pages_mpol_noprof+0xb1/0x1e0 mm/mempolicy.c:2263 alloc_pages_noprof+0xe1/0x100 mm/mempolicy.c:2343 io_mem_alloc_compound io_uring/memmap.c:28 [inline] io_pages_map+0xbe/0x4e0 io_uring/memmap.c:72 io_allocate_scq_urings+0x10d/0x300 io_uring/io_uring.c:3313 io_uring_create+0x51f/0x920 io_uring/io_uring.c:3496 io_uring_setup io_uring/io_uring.c:3609 [inline] __do_sys_io_uring_setup io_uring/io_uring.c:3636 [inline] __se_sys_io_uring_setup+0x1d2/0x1e0 io_uring/io_uring.c:3630 __x64_sys_io_uring_setup+0x31/0x40 io_uring/io_uring.c:3630 x64_sys_call+0x1f7e/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:426 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff88823fffab90 of 8 bytes by task 11941 on cpu 0: compact_zone+0x2393/0x2930 mm/compaction.c:2650 compact_zone_order mm/compaction.c:2806 [inline] try_to_compact_pages+0x388/0x920 mm/compaction.c:2862 __alloc_pages_direct_compact+0x6f/0x1e0 mm/page_alloc.c:3655 __alloc_pages_slowpath+0x236/0xd70 mm/page_alloc.c:4250 __alloc_pages_noprof+0x26d/0x360 mm/page_alloc.c:4713 alloc_pages_mpol_noprof+0xb1/0x1e0 mm/mempolicy.c:2263 alloc_pages_noprof+0xe1/0x100 mm/mempolicy.c:2343 io_mem_alloc_compound io_uring/memmap.c:28 [inline] io_pages_map+0xbe/0x4e0 io_uring/memmap.c:72 io_allocate_scq_urings+0x283/0x300 io_uring/io_uring.c:3338 io_uring_create+0x51f/0x920 io_uring/io_uring.c:3496 io_uring_setup io_uring/io_uring.c:3609 [inline] __do_sys_io_uring_setup io_uring/io_uring.c:3636 [inline] __se_sys_io_uring_setup+0x1d2/0x1e0 io_uring/io_uring.c:3630 __x64_sys_io_uring_setup+0x31/0x40 io_uring/io_uring.c:3630 x64_sys_call+0x1f7e/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:426 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000000169000 -> 0x0000000000169a00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 11941 Comm: syz.0.2406 Not tainted 6.11.0-rc3-syzkaller-00060-gd07b43284ab3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/08/15 07:23 | upstream | d07b43284ab3 | e4bacdaf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in compact_zone / isolate_migratepages_block | ||
2024/08/06 21:07 | upstream | eb5e56d14912 | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in compact_zone / isolate_migratepages_block | ||
2024/07/29 02:18 | upstream | 8400291e289e | 46eb10b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in compact_zone / isolate_migratepages_block | ||
2024/07/29 02:14 | upstream | 8400291e289e | 46eb10b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in compact_zone / isolate_migratepages_block | ||
2024/07/27 04:54 | upstream | 2f8c4f506285 | 46eb10b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in compact_zone / isolate_migratepages_block |