syzbot |
sign-in | mailing list | source | docs |
🐞 Open [960] ≡ Subsystems 🐞 Fixed [5156] 🐞 Invalid [12312] ⬇ Missing Backports [83] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
================================================================== BUG: KCSAN: data-race in ext4_handle_inode_extension / filemap_read write to 0xffff888009659c90 of 8 bytes by task 16435 on cpu 0: i_size_write include/linux/fs.h:872 [inline] ext4_update_inode_size fs/ext4/ext4.h:3292 [inline] ext4_handle_inode_extension+0x226/0x550 fs/ext4/file.c:331 ext4_dio_write_iter fs/ext4/file.c:557 [inline] ext4_file_write_iter+0xef4/0x10b0 fs/ext4/file.c:661 call_write_iter include/linux/fs.h:1977 [inline] do_iter_readv_writev+0x2cb/0x360 fs/read_write.c:740 do_iter_write+0x112/0x4c0 fs/read_write.c:866 vfs_iter_write+0x4c/0x70 fs/read_write.c:907 iter_file_splice_write+0x40a/0x750 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:936 splice_direct_to_actor+0x345/0x650 fs/splice.c:891 do_splice_direct+0xf5/0x170 fs/splice.c:979 do_sendfile+0x7a6/0xe20 fs/read_write.c:1260 __do_sys_sendfile64 fs/read_write.c:1325 [inline] __se_sys_sendfile64 fs/read_write.c:1311 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1311 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888009659c90 of 8 bytes by task 16449 on cpu 1: i_size_read include/linux/fs.h:850 [inline] filemap_read+0x1dc/0x7b0 mm/filemap.c:2470 generic_file_read_iter+0x82/0x410 mm/filemap.c:2609 ext4_file_read_iter+0x2e0/0x420 fs/ext4/file.c:74 call_read_iter include/linux/fs.h:1971 [inline] generic_file_splice_read+0x22a/0x310 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+0xf5/0x170 fs/splice.c:979 do_sendfile+0x7a6/0xe20 fs/read_write.c:1260 __do_sys_sendfile64 fs/read_write.c:1319 [inline] __se_sys_sendfile64 fs/read_write.c:1311 [inline] __x64_sys_sendfile64+0xa9/0x130 fs/read_write.c:1311 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 16449 Comm: syz-executor.4 Not tainted 5.12.0-rc7-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/04/14 12:33 | upstream | 50987beca096 | 3134b37f | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/13 23:28 | upstream | eebe426d32e1 | a184b83e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/13 20:10 | upstream | 89698becf06d | a184b83e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/12 09:11 | upstream | 7d900724913c | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/08 09:47 | upstream | 454859c552da | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/06 23:47 | upstream | 2d743660786e | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/05 06:18 | upstream | e49d033bddf5 | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/04 05:17 | upstream | 2023a53bdf41 | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/04/03 13:57 | upstream | d93a0d43e3d0 | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/03/31 23:00 | upstream | d19cc4bfbff1 | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/03/27 13:24 | upstream | 0f4498cef9f5 | a8529b82 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/03/20 22:24 | upstream | 812da4d39463 | 17810eae | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/03/18 20:59 | upstream | bf152b0b41dc | 380dcc3e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/03/18 11:45 | upstream | 6417f03132a6 | 7216542e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/03/16 06:34 | upstream | 1a4431a5db2b | fdb2bb2c | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read | |||
2021/03/15 10:21 | upstream | 1e28eed17697 | cc1cff8f | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_handle_inode_extension / filemap_read |