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================================================================== BUG: KCSAN: data-race in folio_mapping / page_cache_delete_batch write to 0xffffea00044c8298 of 8 bytes by task 16936 on cpu 0: page_cache_delete_batch+0x1a7/0x470 mm/filemap.c:308 delete_from_page_cache_batch+0x18f/0x2a0 mm/filemap.c:334 truncate_inode_pages_range+0x3ca/0xae0 mm/truncate.c:370 truncate_inode_pages mm/truncate.c:452 [inline] truncate_inode_pages_final+0x54/0x60 mm/truncate.c:487 ext4_evict_inode+0x27c/0xe90 fs/ext4/inode.c:221 evict+0x1aa/0x410 fs/inode.c:664 iput_final fs/inode.c:1747 [inline] iput+0x3f9/0x580 fs/inode.c:1773 do_unlinkat+0x2b3/0x510 fs/namei.c:4304 __do_sys_unlink fs/namei.c:4345 [inline] __se_sys_unlink fs/namei.c:4343 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4343 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+0x63/0xcd read to 0xffffea00044c8298 of 8 bytes by task 19234 on cpu 1: folio_mapping+0x8e/0x110 mm/util.c:810 folio_evictable mm/internal.h:136 [inline] move_pages_to_lru+0x12c/0x800 mm/vmscan.c:2334 shrink_inactive_list+0x44a/0x740 mm/vmscan.c:2450 shrink_list mm/vmscan.c:2674 [inline] shrink_lruvec+0x3aa/0x700 mm/vmscan.c:2991 shrink_node_memcgs+0x253/0x470 mm/vmscan.c:3180 shrink_node+0x955/0x1200 mm/vmscan.c:3304 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:3542 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:3601 try_to_free_mem_cgroup_pages+0x1d1/0x420 mm/vmscan.c:3916 memory_max_write+0x1b0/0x420 mm/memcontrol.c:6352 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:3971 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330 call_write_iter include/linux/fs.h:2190 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x468/0x760 fs/read_write.c:584 ksys_write+0xe8/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:646 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+0x63/0xcd value changed: 0xffff88810a8e8360 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 19234 Comm: syz-executor.0 Tainted: G W 6.0.0-syzkaller-10145-ge2302539dd4f-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 ================================================================== syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 CPU: 1 PID: 19234 Comm: syz-executor.0 Tainted: G W 6.0.0-syzkaller-10145-ge2302539dd4f-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd6/0x122 lib/dump_stack.c:106 dump_stack+0x11/0x15 lib/dump_stack.c:113 dump_header+0x98/0x410 mm/oom_kill.c:460 oom_kill_process+0x100/0x550 mm/oom_kill.c:1037 out_of_memory+0x620/0x880 mm/oom_kill.c:1175 mem_cgroup_out_of_memory mm/memcontrol.c:1646 [inline] memory_max_write+0x31b/0x420 mm/memcontrol.c:6359 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:3971 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330 call_write_iter include/linux/fs.h:2190 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x468/0x760 fs/read_write.c:584 ksys_write+0xe8/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:646 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+0x63/0xcd RIP: 0033:0x7f056a4635a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0569bd7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f056a583f80 RCX: 00007f056a4635a9 RDX: 0000000000000012 RSI: 00000000200000c0 RDI: 0000000000000006 RBP: 00007f056a4be580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffde822f5f R14: 00007f0569bd7300 R15: 0000000000022000 </TASK> memory: usage 14020kB, limit 0kB, failcnt 58 swap: usage 0kB, limit 9007199254740988kB, failcnt 0 Memory cgroup stats for /syz1: anon 45056 file 10473472 kernel 3522560 kernel_stack 16384 pagetables 40960 sec_pagetables 0 percpu 104192 sock 299008 vmalloc 0 shmem 10465280 file_mapped 221184 file_dirty 8192 file_writeback 0 swapcached 0 inactive_anon 45056 active_anon 10465280 inactive_file 4096 active_file 4096 unevictable 0 slab_reclaimable 82664 slab_unreclaimable 3251728 slab 3334392 workingset_refault_anon 0 workingset_refault_file 2 workingset_activate_anon 0 oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0,oom_memcg=/syz1,task_memcg=/syz1,task=syz-executor.1,pid=16936,uid=0 Memory cgroup out of memory: Killed process 16936 (syz-executor.1) total-vm:42428kB, anon-rss:456kB, file-rss:9088kB, shmem-rss:64kB, UID:0 pgtables:64kB oom_score_adj:0 syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 CPU: 0 PID: 19234 Comm: syz-executor.0 Tainted: G W 6.0.0-syzkaller-10145-ge2302539dd4f-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd6/0x122 lib/dump_stack.c:106 dump_stack+0x11/0x15 lib/dump_stack.c:113 dump_header+0x98/0x410 mm/oom_kill.c:460 out_of_memory+0x65e/0x880 mm/oom_kill.c:1164 mem_cgroup_out_of_memory mm/memcontrol.c:1646 [inline] memory_max_write+0x31b/0x420 mm/memcontrol.c:6359 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:3971 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330 call_write_iter include/linux/fs.h:2190 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x468/0x760 fs/read_write.c:584 ksys_write+0xe8/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:646 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+0x63/0xcd RIP: 0033:0x7f056a4635a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0569bd7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f056a583f80 RCX: 00007f056a4635a9 RDX: 0000000000000012 RSI: 00000000200000c0 RDI: 0000000000000006 RBP: 00007f056a4be580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffde822f5f R14: 00007f0569bd7300 R15: 0000000000022000 </TASK> memory: usage 13872kB, limit 0kB, failcnt 75 swap: usage 0kB, limit 9007199254740988kB, failcnt 0 Memory cgroup stats for /syz1: anon 0 file 10473472 kernel 3383296 kernel_stack 0 pagetables 0 sec_pagetables 0 percpu 103008 sock 299008 vmalloc 0 shmem 10465280 file_mapped 221184 file_dirty 8192 file_writeback 0 swapcached 0 inactive_anon 0 active_anon 10465280 inactive_file 4096 active_file 4096 unevictable 0 slab_reclaimable 45496 slab_unreclaimable 3228736 slab 3274232 workingset_refault_anon 0 workingset_refault_file 2 workingset_activate_anon 0 Out of memory and no killable processes...
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/10/11 00:16 | upstream | e2302539dd4f | 5bcf0c31 | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | ||
2022/09/16 22:34 | upstream | 6879c2d3b960 | dd9a85ff | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/29 08:00 | upstream | 8379c0b31fbc | 07177916 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/21 22:56 | upstream | e3f259d33c0e | 26a13b38 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/20 16:05 | upstream | 50cd95ac4654 | 26a13b38 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/17 20:23 | upstream | 274a2eebf80c | a9409d47 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/10 03:54 | upstream | 426b4ca2d6a5 | c2a623d6 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/09 14:23 | upstream | eb555cb5b794 | da700653 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/08 03:45 | upstream | 3bc1bc0b59d0 | 88e3a122 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/05 17:17 | upstream | c040862bfbd9 | a65a7ce9 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/04 14:55 | upstream | b44f2fd87919 | 1c9013ac | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/08/01 16:54 | upstream | 3d7cb6b04c3f | fef302b1 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/31 10:23 | upstream | 6a010258447d | fef302b1 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/29 19:33 | upstream | 6e2c0490769e | fef302b1 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/27 10:59 | upstream | 39c3c396f813 | da9d0366 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/25 17:00 | upstream | e0dccc3b76fb | 664c519c | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/24 22:49 | upstream | af2c9ac24019 | 22343af4 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/21 02:31 | upstream | 353f7988dd84 | 88cb1383 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/15 16:35 | upstream | e5d523f1ae8f | 5d921b08 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/10 17:30 | upstream | d9919d43cbf6 | b5765a15 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/07/01 12:15 | upstream | a175eca0f3d7 | 1434eec0 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/06/18 18:23 | upstream | 4b35035bcf80 | 8f633d84 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/06/07 06:44 | upstream | e71e60cd74df | c8857892 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/25 02:14 | upstream | 0350785b0a09 | 647c0e27 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/24 12:34 | upstream | 143a6252e1b8 | fcfad4ff | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/20 10:09 | upstream | b015dcd62b86 | cb1ac2e7 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/11 11:54 | upstream | feb9c5e19e91 | 8d7b3b67 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/10 02:18 | upstream | 9be9ed2612b5 | 8b277b8e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/09 13:44 | upstream | c5eb0a61238d | 8b277b8e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/08 22:40 | upstream | 379c72654524 | e60b1103 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/06 17:32 | upstream | fe27d189e3f4 | e60b1103 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/05 01:43 | upstream | a7391ad35724 | dc9e5259 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/05/02 10:52 | upstream | 672c0c517342 | 2df221f6 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/25 11:55 | upstream | 42740a2ff5d3 | 131df97d | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/23 13:58 | upstream | c00c5e1d157b | 131df97d | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/21 15:14 | upstream | b253435746d9 | 2738b391 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/20 07:55 | upstream | 559089e0a93d | 7d7bc738 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/18 08:21 | upstream | b2d229d4ddb1 | 8bcc32a6 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/08 05:08 | upstream | 42e7a03d3bad | c6ff3e05 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/05 15:19 | upstream | 312310928417 | 0127c10f | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/02 12:17 | upstream | 88e6c0207623 | 79a2a8fc | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/04/01 12:54 | upstream | e8b767f5e040 | 68fc921a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch | |||
2022/03/28 04:28 | upstream | f82da161ea75 | 89bc8608 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in folio_mapping / page_cache_delete_batch |