Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __do_munmap / acct_account_cputime (2) mm | 6 | 937d | 998d | 0/26 | auto-closed as invalid on 2021/10/30 20:08 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __do_munmap / acct_account_cputime (2) mm | 6 | 937d | 998d | 0/26 | auto-closed as invalid on 2021/10/30 20:08 |
================================================================== BUG: KCSAN: data-race in __do_munmap / acct_account_cputime write to 0xffff8881079318c0 of 8 bytes by task 30357 on cpu 0: vm_stat_account mm/mmap.c:3372 [inline] remove_vma_list mm/mmap.c:2658 [inline] __do_munmap+0xf94/0x1330 mm/mmap.c:2915 do_munmap mm/mmap.c:2923 [inline] munmap_vma_range mm/mmap.c:604 [inline] mmap_region+0x58a/0x13e0 mm/mmap.c:1756 do_mmap+0x77d/0xc90 mm/mmap.c:1587 vm_mmap_pgoff+0xf9/0x1d0 mm/util.c:519 ksys_mmap_pgoff+0x2a8/0x380 mm/mmap.c:1638 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881079318c0 of 8 bytes by interrupt on cpu 1: __acct_update_integrals kernel/tsacct.c:140 [inline] acct_account_cputime+0x15a/0x1a0 kernel/tsacct.c:164 update_process_times+0x5c/0x150 kernel/time/timer.c:1794 tick_sched_handle kernel/time/tick-sched.c:226 [inline] tick_sched_timer+0x191/0x210 kernel/time/tick-sched.c:1374 __run_hrtimer+0x160/0x480 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x380/0xaf0 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x6f/0x1c0 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x64/0x80 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 console_unlock+0x8e8/0xb30 kernel/printk/printk.c:2646 vprintk_emit+0x125/0x3d0 kernel/printk/printk.c:2174 vprintk_default+0x22/0x30 kernel/printk/printk.c:2185 vprintk+0x15a/0x170 kernel/printk/printk_safe.c:392 printk+0x62/0x87 kernel/printk/printk.c:2216 cgroup1_root_to_use kernel/cgroup/cgroup-v1.c:1174 [inline] cgroup1_get_tree+0x771/0x880 kernel/cgroup/cgroup-v1.c:1216 vfs_get_tree+0x4a/0x1a0 fs/super.c:1498 do_new_mount fs/namespace.c:2905 [inline] path_mount+0x11d4/0x1ce0 fs/namespace.c:3235 do_mount fs/namespace.c:3248 [inline] __do_sys_mount fs/namespace.c:3456 [inline] __se_sys_mount+0x23d/0x2e0 fs/namespace.c:3433 __x64_sys_mount+0x63/0x70 fs/namespace.c:3433 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0000000000005353 -> 0x0000000000004b53 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 30335 Comm: syz-executor.4 Not tainted 5.13.0-rc5-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/06/14 08:41 | upstream | e4e453434a19 | 1ba81399 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __do_munmap / acct_account_cputime | |||
2021/05/18 05:31 | upstream | 8ac91e6c6033 | a343ba6b | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __do_munmap / acct_account_cputime | |||
2021/05/14 06:43 | upstream | 315d99318179 | 8bdd5343 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __do_munmap / acct_account_cputime | |||
2021/04/30 23:48 | upstream | 65c61de9d090 | 77e2b668 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __do_munmap / acct_account_cputime | |||
2021/04/18 07:53 | upstream | 194cf4825638 | 7e2b734b | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __do_munmap / acct_account_cputime |