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================================================================== BUG: KCSAN: data-race in drain_all_stock / drain_stock write to 0xffff888237d2b950 of 4 bytes by task 28945 on cpu 1: drain_stock+0x48/0x100 mm/memcontrol.c:2346 __refill_stock+0x39/0xc0 mm/memcontrol.c:2386 refill_stock mm/memcontrol.c:2401 [inline] obj_cgroup_uncharge_pages+0x126/0x200 mm/memcontrol.c:3281 refill_obj_stock+0x15c/0x1e0 mm/memcontrol.c:3553 obj_cgroup_uncharge+0xe/0x20 mm/memcontrol.c:3602 __memcg_slab_free_hook+0xa9/0x130 mm/slub.c:2000 memcg_slab_free_hook mm/slub.c:2020 [inline] slab_free mm/slub.c:4278 [inline] kmem_cache_free+0x18b/0x250 mm/slub.c:4344 file_free fs/file_table.c:73 [inline] __fput+0x56a/0x660 fs/file_table.c:435 __fput_sync+0x44/0x60 fs/file_table.c:507 __do_sys_close fs/open.c:1556 [inline] __se_sys_close+0x101/0x1b0 fs/open.c:1541 __x64_sys_close+0x1f/0x30 fs/open.c:1541 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 read to 0xffff888237d2b950 of 4 bytes by task 28927 on cpu 0: drain_all_stock+0xd3/0x2e0 mm/memcontrol.c:2431 try_charge_memcg+0x6bb/0xd10 mm/memcontrol.c:2791 obj_cgroup_charge_pages+0xbd/0x1d0 mm/memcontrol.c:3302 __memcg_kmem_charge_page+0x9d/0x170 mm/memcontrol.c:3328 __alloc_pages+0x1bc/0x360 mm/page_alloc.c:4592 alloc_pages_mpol+0xb1/0x1e0 mm/mempolicy.c:2264 alloc_pages+0xe1/0x100 mm/mempolicy.c:2335 vm_area_alloc_pages mm/vmalloc.c:3545 [inline] __vmalloc_area_node mm/vmalloc.c:3621 [inline] __vmalloc_node_range+0x6f2/0xee0 mm/vmalloc.c:3802 kvmalloc_node+0x121/0x170 mm/util.c:659 kvmalloc include/linux/slab.h:766 [inline] xt_alloc_table_info+0x3d/0x80 net/netfilter/x_tables.c:1193 do_replace net/ipv6/netfilter/ip6_tables.c:1139 [inline] do_ip6t_set_ctl+0x63f/0x1800 net/ipv6/netfilter/ip6_tables.c:1636 nf_setsockopt+0x195/0x1b0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x126/0x140 net/ipv6/ipv6_sockglue.c:999 dccp_setsockopt+0xe1/0xc40 net/dccp/proto.c:579 sock_common_setsockopt+0x64/0x80 net/core/sock.c:3727 do_sock_setsockopt net/socket.c:2311 [inline] __sys_setsockopt+0x1d8/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [inline] __se_sys_setsockopt net/socket.c:2340 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 value changed: 0x0000001b -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 28927 Comm: syz-executor.3 Not tainted 6.9.0-rc1-syzkaller-00178-g317c7bc0ef03 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/03/29 07:58 | upstream | 317c7bc0ef03 | c52bcb23 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in drain_all_stock / drain_stock | ||
2024/02/28 09:47 | upstream | cf1182944c7c | d367cbe5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in drain_all_stock / drain_stock | ||
2024/02/25 23:59 | upstream | 70ff1fe626a1 | 8d446f15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in drain_all_stock / drain_stock | ||
2024/02/09 07:36 | upstream | 1f719a2f3fa6 | 7f07e9b0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in drain_all_stock / drain_stock | ||
2024/01/18 23:03 | upstream | 296455ade1fd | 239abf84 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in drain_all_stock / drain_stock |