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================================================================== BUG: KCSAN: data-race in hrtimer_interrupt / print_tickdevice write to 0xffff888237d1af18 of 8 bytes by interrupt on cpu 1: hrtimer_interrupt+0xb3/0xac0 kernel/time/hrtimer.c:1790 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0xa3/0x240 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 number+0x8cd/0xb60 lib/vsprintf.c:556 vsnprintf+0xb6d/0xed0 lib/vsprintf.c:2861 seq_vprintf+0x71/0xd0 fs/seq_file.c:391 SEQ_printf+0x87/0xc0 kernel/time/timer_list.c:38 print_base kernel/time/timer_list.c:108 [inline] print_cpu+0x123/0x690 kernel/time/timer_list.c:123 timer_list_show+0x114/0x180 kernel/time/timer_list.c:291 seq_read_iter+0x60b/0x930 fs/seq_file.c:272 proc_reg_read_iter+0xfc/0x170 fs/proc/inode.c:300 call_read_iter include/linux/fs.h:2068 [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+0x675/0xc40 fs/read_write.c:1245 __do_sys_sendfile64 fs/read_write.c:1310 [inline] __se_sys_sendfile64 fs/read_write.c:1296 [inline] __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1296 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888237d1af18 of 8 bytes by task 15463 on cpu 0: print_tickdevice+0x158/0x370 kernel/time/timer_list.c:204 timer_list_show+0x74/0x180 kernel/time/timer_list.c:296 seq_read_iter+0x60b/0x930 fs/seq_file.c:272 proc_reg_read_iter+0xfc/0x170 fs/proc/inode.c:300 call_read_iter include/linux/fs.h:2068 [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+0x675/0xc40 fs/read_write.c:1245 __do_sys_sendfile64 fs/read_write.c:1310 [inline] __se_sys_sendfile64 fs/read_write.c:1296 [inline] __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1296 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000133001a655e -> 0x7fffffffffffffff Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 15463 Comm: syz-executor.3 Not tainted 5.17.0-rc7-syzkaller-00060-g92f90cc9fe0e-dirty #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/03/09 14:11 | upstream | 92f90cc9fe0e | 9e8eaa75 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2022/02/21 07:09 | upstream | 7f25f0412c9e | 3cd800e4 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2022/02/15 07:07 | upstream | d567f5db412e | 8b9ca619 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2022/02/05 00:20 | upstream | 86286e486cbd | e13a05ed | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2022/01/06 00:21 | upstream | 49ef78e59b07 | 6acc789a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/12/10 16:47 | upstream | c741e49150db | fc17c959 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/11/16 10:16 | upstream | 8ab774587903 | 600426bd | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/11/05 07:45 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/11/05 04:47 | upstream | 7ddb58cb0eca | 4c1be0be | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/11/05 04:46 | upstream | 7ddb58cb0eca | 4c1be0be | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/10/21 20:57 | upstream | 2f111a6fd5b5 | 55f90bc6 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/10/02 11:38 | upstream | 53d5fc89d66a | db0f5787 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/09/29 05:31 | upstream | a4e6f95a891a | d82cb927 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice | |||
2021/09/25 08:37 | upstream | 7d42e9818258 | 8cac236e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in hrtimer_interrupt / print_tickdevice |