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================================================================== BUG: KCSAN: data-race in ondemand_readahead / ondemand_readahead write to 0xffff8881249cc5a4 of 4 bytes by task 10453 on cpu 0: ondemand_readahead+0x352/0x7c0 mm/readahead.c:531 page_cache_sync_ra+0xaf/0xe0 mm/readahead.c:580 page_cache_sync_readahead include/linux/pagemap.h:883 [inline] filemap_get_pages mm/filemap.c:2545 [inline] filemap_read+0x3ad/0x1220 mm/filemap.c:2628 generic_file_read_iter+0x75/0x2c0 mm/filemap.c:2779 ext4_file_read_iter+0x1db/0x290 call_read_iter include/linux/fs.h:2157 [inline] generic_file_splice_read+0x24f/0x330 fs/splice.c:311 do_splice_to fs/splice.c:796 [inline] splice_direct_to_actor+0x2aa/0x650 fs/splice.c:870 do_splice_direct+0x106/0x190 fs/splice.c:979 do_sendfile+0x63e/0xbb0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1314 [inline] __se_sys_sendfile64 fs/read_write.c:1300 [inline] __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1300 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881249cc5a4 of 4 bytes by task 10468 on cpu 1: ondemand_readahead+0x1af/0x7c0 mm/readahead.c:465 page_cache_sync_ra+0xaf/0xe0 mm/readahead.c:580 page_cache_sync_readahead include/linux/pagemap.h:883 [inline] filemap_get_pages mm/filemap.c:2545 [inline] filemap_read+0x3ad/0x1220 mm/filemap.c:2628 generic_file_read_iter+0x75/0x2c0 mm/filemap.c:2779 ext4_file_read_iter+0x1db/0x290 call_read_iter include/linux/fs.h:2157 [inline] generic_file_splice_read+0x24f/0x330 fs/splice.c:311 do_splice_to fs/splice.c:796 [inline] splice_direct_to_actor+0x2aa/0x650 fs/splice.c:870 do_splice_direct+0x106/0x190 fs/splice.c:979 do_sendfile+0x63e/0xbb0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1314 [inline] __se_sys_sendfile64 fs/read_write.c:1300 [inline] __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1300 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000010 -> 0x0000000f Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 10468 Comm: syz-executor.0 Not tainted 5.15.0-rc4-syzkaller #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/10/07 02:58 | upstream | 5af4055fa813 | 62ee0987 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/09/27 15:34 | upstream | 5816b3e6577e | 78494d16 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/09/25 06:31 | upstream | 7d42e9818258 | 8cac236e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/09/16 23:05 | upstream | ff1ffd71d5f0 | aae492f2 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/09/16 12:21 | upstream | ff1ffd71d5f0 | 07e953c1 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/09/15 00:32 | upstream | 1619b69edce1 | 07e953c1 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/09/14 00:39 | upstream | 316346243be6 | 58d09404 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/09/12 12:09 | upstream | c605c39677b9 | 3ce60af8 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/16 08:58 | upstream | 7c60610d4767 | 2489ab88 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/15 19:44 | upstream | ecf93431963a | 2489ab88 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/14 12:54 | upstream | dfa377c35d70 | 2489ab88 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/13 13:13 | upstream | f8e6dfc64f61 | 3fd2ea69 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/08 12:25 | upstream | 85a90500f9a1 | 6972b106 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/05 12:46 | upstream | 251a1524293d | 7f7bb950 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/05 01:57 | upstream | 251a1524293d | b97d64c9 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/08/02 09:37 | upstream | c500bee1c5b2 | 6c236867 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead | |||
2021/07/29 18:02 | upstream | 7e96bf476270 | 8a799410 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ondemand_readahead / ondemand_readahead |