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[syzbot] [mm?] KCSAN: data-race in __reset_isolation_suitable / compact_zone (2) | 0 (1) | 2024/08/21 12:25 |
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[syzbot] [mm?] KCSAN: data-race in __reset_isolation_suitable / compact_zone (2) | 0 (1) | 2024/08/21 12:25 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __reset_isolation_suitable / compact_zone mm | 1 | 1234d | 1234d | 0/27 | auto-closed as invalid on 2021/05/31 16:24 |
EXT4-fs (loop2): stripe (7) is not aligned with cluster size (16), stripe is disabled EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ================================================================== BUG: KCSAN: data-race in __reset_isolation_suitable / compact_zone write to 0xffff88823fffab90 of 8 bytes by task 77 on cpu 0: __reset_isolation_suitable+0x149/0x2b0 mm/compaction.c:438 reset_isolation_suitable+0xb2/0x100 mm/compaction.c:469 kswapd_try_to_sleep mm/vmscan.c:7084 [inline] kswapd+0x296/0x1820 mm/vmscan.c:7193 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 write to 0xffff88823fffab90 of 8 bytes by task 28833 on cpu 1: update_cached_migrate mm/compaction.c:504 [inline] isolate_migratepages mm/compaction.c:2189 [inline] compact_zone+0x1293/0x2930 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:3650 __alloc_pages_slowpath+0x236/0xd70 mm/page_alloc.c:4245 __alloc_pages_noprof+0x26d/0x360 mm/page_alloc.c:4708 alloc_pages_preferred_many mm/mempolicy.c:2204 [inline] alloc_pages_mpol_noprof+0xec/0x1e0 mm/mempolicy.c:2228 alloc_pages_noprof+0xe1/0x100 mm/mempolicy.c:2343 vm_area_alloc_pages mm/vmalloc.c:3584 [inline] __vmalloc_area_node mm/vmalloc.c:3653 [inline] __vmalloc_node_range_noprof+0x736/0xec0 mm/vmalloc.c:3834 __kvmalloc_node_noprof+0x121/0x170 mm/util.c:675 ip_set_alloc+0x1f/0x30 net/netfilter/ipset/ip_set_core.c:256 hash_netiface_create+0x273/0x730 net/netfilter/ipset/ip_set_hash_gen.h:1568 ip_set_create+0x359/0x8a0 net/netfilter/ipset/ip_set_core.c:1104 nfnetlink_rcv_msg+0x4a9/0x570 net/netfilter/nfnetlink.c:302 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2550 nfnetlink_rcv+0x16c/0x15e0 net/netfilter/nfnetlink.c:667 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:745 ____sys_sendmsg+0x312/0x410 net/socket.c:2597 ___sys_sendmsg net/socket.c:2651 [inline] __sys_sendmsg+0x1e9/0x280 net/socket.c:2680 __do_sys_sendmsg net/socket.c:2689 [inline] __se_sys_sendmsg net/socket.c:2687 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2687 x64_sys_call+0x2689/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:47 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: 0x0000000000196e00 -> 0x0000000000105a00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 28833 Comm: syz.2.8522 Not tainted 6.11.0-rc4-syzkaller-00019-gb311c1b497e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ================================================================== EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/08/21 11:04 | upstream | b311c1b497e5 | db5852f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __reset_isolation_suitable / compact_zone |