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================================================================== BUG: KCSAN: data-race in generic_file_buffered_read / ondemand_readahead write to 0xffff88810ad15db0 of 8 bytes by task 24342 on cpu 1: generic_file_buffered_read+0x64c/0x9a0 mm/filemap.c:2540 generic_file_read_iter+0x80/0x3d0 mm/filemap.c:2633 call_read_iter include/linux/fs.h:1895 [inline] generic_file_splice_read+0x22a/0x310 fs/splice.c:311 do_splice_to fs/splice.c:788 [inline] splice_direct_to_actor+0x2aa/0x650 fs/splice.c:867 do_splice_direct+0xf5/0x170 fs/splice.c:976 do_sendfile+0x5db/0xca0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1304 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88810ad15db0 of 8 bytes by task 24332 on cpu 0: ondemand_readahead+0x578/0x780 mm/readahead.c:506 page_cache_sync_ra+0x1ab/0x1c0 mm/readahead.c:577 page_cache_sync_readahead include/linux/pagemap.h:839 [inline] generic_file_buffered_read_get_pages+0x234/0xaf0 mm/filemap.c:2361 generic_file_buffered_read+0x27f/0x9a0 mm/filemap.c:2481 generic_file_read_iter+0x80/0x3d0 mm/filemap.c:2633 call_read_iter include/linux/fs.h:1895 [inline] generic_file_splice_read+0x22a/0x310 fs/splice.c:311 do_splice_to fs/splice.c:788 [inline] splice_direct_to_actor+0x2aa/0x650 fs/splice.c:867 do_splice_direct+0xf5/0x170 fs/splice.c:976 do_sendfile+0x5db/0xca0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1304 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 24332 Comm: syz-executor.1 Not tainted 5.11.0-rc3-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/01/16 07:22 | upstream | 1d94330a437a | 65a7a854 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/28 18:31 | upstream | 5c8fe583cce5 | 8259d56c | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/26 15:33 | upstream | 40f78232f973 | 821e0b09 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/09 12:36 | upstream | a68a0262abda | 99917735 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/08 21:26 | upstream | cd796ed33450 | 40cc414d | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/30 22:14 | upstream | b65054597872 | 76831598 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/11 00:17 | upstream | eccc87672492 | cca87986 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/04 02:37 | upstream | 4ef8451b3326 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/03 10:27 | upstream | b7cbaf59f62f | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/29 07:50 | upstream | 23859ae44402 | f24824d3 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/16 10:50 | upstream | 9ff9b0d392ea | 6e262c73 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/10 23:06 | upstream | 6f2f486d57c4 | 4a77ae0b | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/08 21:52 | upstream | 3d006ee42dde | 92390980 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/09/23 08:06 | upstream | 805c6d3c1921 | 287cd75a | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/09/17 18:31 | upstream | 5925fa68fe82 | 8247808b | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/09/16 22:47 | upstream | 5925fa68fe82 | 77507d02 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/09/11 10:15 | upstream | 581cb3a26baf | adfb8b4e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/09/05 19:18 | upstream | 9322c47b21b9 | abf9ba4f | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/08/26 12:45 | upstream | 2ac69819ba9e | 318430cb | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/08/19 12:57 | upstream | 18445bf405cb | db787902 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/08/16 21:45 | upstream | 2cc3c4b3c2e9 | 5ce13532 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/08/15 18:20 | upstream | 410520d07f5c | 5ce13532 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/08/12 13:19 | upstream | fb893de323e2 | 0d7bd2e0 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/08/12 01:03 | upstream | bb5baaa9238e | bb3e5fe6 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/08/01 19:01 | upstream | d52daa8620c6 | 8df85ed9 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/31 12:32 | upstream | d8b9faec54ae | 8df85ed9 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/30 19:29 | upstream | 83bdc7275e62 | b0947553 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/30 18:56 | upstream | 83bdc7275e62 | b0947553 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/29 02:32 | upstream | 6ba1b005ffc3 | cb93dc6a | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/23 13:49 | upstream | d15be546031c | 340ea530 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/22 15:55 | upstream | 4fa640dc5230 | 128cd85f | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/21 14:34 | upstream | 4fa640dc5230 | e562dd8a | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/21 02:19 | upstream | 4fa640dc5230 | d88894e6 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/07/07 14:06 | upstream | bfe91da29bfa | 42723355 | .config | console log | report | ci2-upstream-kcsan-gce |