Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in blkdev_read_iter / set_capacity_and_notify block | 57 | 607d | 848d | 0/26 | auto-obsoleted due to no activity on 2022/10/16 11:46 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in blkdev_read_iter / set_capacity_and_notify block | 57 | 607d | 848d | 0/26 | auto-obsoleted due to no activity on 2022/10/16 11:46 |
I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 ================================================================== BUG: KCSAN: data-race in blkdev_read_iter / set_capacity_and_notify write to 0xffff888100405048 of 8 bytes by task 30331 on cpu 0: set_capacity block/genhd.c:64 [inline] set_capacity_and_notify+0xab/0x1d0 block/genhd.c:78 loop_set_size+0x2e/0x70 drivers/block/loop.c:237 loop_configure+0xb1b/0xc30 drivers/block/loop.c:1100 lo_ioctl+0x641/0x1290 blkdev_ioctl+0x20e/0x440 block/ioctl.c:614 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:856 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:856 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 0xffff888100405048 of 8 bytes by task 1910 on cpu 1: bdev_nr_sectors include/linux/blkdev.h:790 [inline] bdev_nr_bytes include/linux/blkdev.h:795 [inline] blkdev_read_iter+0x40/0x370 block/fops.c:552 call_read_iter include/linux/fs.h:2185 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x3a5/0x560 fs/read_write.c:470 ksys_read+0xe8/0x1a0 fs/read_write.c:613 __do_sys_read fs/read_write.c:623 [inline] __se_sys_read fs/read_write.c:621 [inline] __x64_sys_read+0x3e/0x50 fs/read_write.c:621 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: 0x0000000000000000 -> 0x0000000000000017 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1910 Comm: udevd Not tainted 6.1.0-rc6-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ================================================================== blk_print_req_error: 1 callbacks suppressed I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/11/21 18:03 | upstream | eb7081409f94 | 5bb70014 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in blkdev_read_iter / set_capacity_and_notify |