trace subsystem


List(s): linux-trace-kernel@vger.kernel.org
Fixed bugs: 67
Parent subsystem(s): kernel (102)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel paging request in __ftrace_set_clr_event_nolock trace prio:low 8 34 12h47m 1d03h PATCH [9h44m]
KASAN: use-after-free Read in ignore_event trace prio:normal actionable 19 1 11d 2d05h
KCSAN: data-race in __rb_reserve_next / ring_buffer_iter_peek trace prio:low race:harmful 6 2 2d08h 2d22h
KCSAN: data-race in ring_buffer_unlock_commit / ring_buffer_unlock_commit trace race:harmful prio:low 6 3 3d09h 8d00h 💬 1 [6d01h]
WARNING in trace_rb_cpu_prepare prio:low trace -1 syz 539 10m 8d16h 💬 1 [5d05h]
KCSAN: data-race in __perf_event_overflow / perf_event_detach_bpf_prog bpf trace race:harmful prio:low 6 2 4d13h 13d PATCH [2h36m]
KASAN: use-after-free Write in ring_buffer_read_page actionable prio:normal trace 22 1 78d 70d PATCH [42d]
WARNING in ring_buffer_nr_dirty_pages prio:low trace -1 5 61d 156d
KASAN: slab-use-after-free Read in bpf_trace_run9 prio:normal bpf trace 19 syz, C 6 165d 161d PATCH [159d]
KASAN: slab-use-after-free Read in bpf_trace_run3 (2) prio:normal bpf trace 19 syz, C 8 132d 166d 💬 5 [123d]
KASAN: slab-use-after-free Read in bpf_trace_run2 (3) prio:normal bpf trace 19 syz 95 130d 171d
INFO: rcu detected stall in watchdog (2) bpf trace prio:low 1 syz, C error error 8 35d 231d 💬 3 [216d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 4d08h 245d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 60 35d 273d
possible deadlock in down_trylock (3) prio:low bpf trace 4 syz, C error 2 148d 372d 💬 2 [279d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 33 9d20h 392d
WARNING in tracepoint_probe_unregister (3) prio:low trace -1 syz, C 305 10d 602d PATCH [115d]
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 70 58d 929d PATCH [923d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 87 4d22h 985d PATCH [982d]
WARNING in blk_register_tracepoints prio:low block trace -1 syz, C inconclusive done 163 4d14h 1645d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 29 8d02h 2277d 💬 9 [138d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in probe_sched_switch / tracing_stop_cmdline_record trace race:benign prio:low 6 1 4d10h 4d10h
KCSAN: data-race in probe_sched_wakeup / tracing_start_sched_switch trace race:benign prio:low 6 1 6d04h 6d04h
KCSAN: data-race in do_readlinkat / ring_buffer_unlock_commit trace race:benign prio:high 6 1 11d 11d