From bc0864f30bea915b77f6850a384665e2cd0c417f Mon Sep 17 00:00:00 2001 From: Taras Madan Date: Thu, 3 Jul 2025 16:14:42 +0200 Subject: pkg/report: split crash.KCSAN Introduce crash.KCSANAssert. Introduce crash.KCSANUnknown. --- pkg/report/testdata/linux/report/427 | 2 +- pkg/report/testdata/linux/report/428 | 2 +- pkg/report/testdata/linux/report/449 | 2 +- pkg/report/testdata/linux/report/750 | 33 +++++++++++++++++++++++++++++++++ 4 files changed, 36 insertions(+), 3 deletions(-) create mode 100644 pkg/report/testdata/linux/report/750 (limited to 'pkg/report/testdata/linux') diff --git a/pkg/report/testdata/linux/report/427 b/pkg/report/testdata/linux/report/427 index 0364e06b2..dd4f2a55b 100644 --- a/pkg/report/testdata/linux/report/427 +++ b/pkg/report/testdata/linux/report/427 @@ -1,5 +1,5 @@ TITLE: KCSAN: data-race in find_next_bit / rcu_report_exp_cpu_mult -TYPE: DATARACE +TYPE: KCSAN-DATARACE FRAME: find_next_bit [ 44.377931][ C4] ================================================================== diff --git a/pkg/report/testdata/linux/report/428 b/pkg/report/testdata/linux/report/428 index 48f5a69f9..0c40f6233 100644 --- a/pkg/report/testdata/linux/report/428 +++ b/pkg/report/testdata/linux/report/428 @@ -1,5 +1,5 @@ TITLE: KCSAN: data-race in e1000_clean_rx_irq -TYPE: DATARACE +TYPE: KCSAN-DATARACE FRAME: e1000_clean_rx_irq [ 44.381409][ C4] ================================================================== diff --git a/pkg/report/testdata/linux/report/449 b/pkg/report/testdata/linux/report/449 index 5c4e9fc91..e5edcab41 100644 --- a/pkg/report/testdata/linux/report/449 +++ b/pkg/report/testdata/linux/report/449 @@ -1,5 +1,5 @@ TITLE: KCSAN: data-race in netlink_recvmsg / netlink_recvmsg -TYPE: DATARACE +TYPE: KCSAN-DATARACE [ 472.478762][T19789] ================================================================== [ 472.486894][T19789] BUG: KCSAN: data-race in netlink_recvmsg / netlink_recvmsg diff --git a/pkg/report/testdata/linux/report/750 b/pkg/report/testdata/linux/report/750 new file mode 100644 index 000000000..ebed9c884 --- /dev/null +++ b/pkg/report/testdata/linux/report/750 @@ -0,0 +1,33 @@ +TITLE: KCSAN: assert: race in dequeue_entities +TYPE: KCSAN-ASSERT +FRAME: dequeue_entities +EXECUTOR: proc=2, id=327 + +[ 67.053553][ T4926] ================================================================== +[ 67.061656][ T4926] BUG: KCSAN: assert: race in dequeue_entities+0x6df/0x760 +[ 67.068875][ T4926] +[ 67.071200][ T4926] race at unknown origin, with assert no writes to 0xffff8881001cb1e8 of 4 bytes by task 4926 on cpu 0: +[ 67.082412][ T4926] dequeue_entities+0x6df/0x760 +[ 67.087294][ T4926] pick_next_task_fair+0x7d/0x410 +[ 67.092327][ T4926] __schedule+0x284/0x940 +[ 67.096845][ T4926] schedule+0x55/0xc0 +[ 67.100839][ T4926] synchronize_rcu_expedited+0x611/0x7a0 +[ 67.106511][ T4926] synchronize_rcu+0x46/0x320 +[ 67.111209][ T4926] nf_tables_abort+0x38f5/0x4340 +[ 67.116168][ T4926] nfnetlink_rcv+0x10ce/0x15c0 +[ 67.120941][ T4926] netlink_unicast+0x599/0x670 +[ 67.125722][ T4926] netlink_sendmsg+0x5cc/0x6e0 +[ 67.130506][ T4926] __sock_sendmsg+0x140/0x180 +[ 67.135224][ T4926] ____sys_sendmsg+0x312/0x410 +[ 67.140036][ T4926] __sys_sendmsg+0x1d9/0x270 +[ 67.144649][ T4926] __x64_sys_sendmsg+0x46/0x50 +[ 67.149433][ T4926] x64_sys_call+0x2689/0x2d60 +[ 67.154132][ T4926] do_syscall_64+0xc9/0x1c0 +[ 67.158645][ T4926] entry_SYSCALL_64_after_hwframe+0x77/0x7f +[ 67.164576][ T4926] +[ 67.166912][ T4926] value changed: 0x00000000 -> 0x00000001 +[ 67.172634][ T4926] +[ 67.174965][ T4926] Reported by Kernel Concurrency Sanitizer on: +[ 67.181139][ T4926] CPU: 0 UID: 0 PID: 4926 Comm: syz.2.327 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0 +[ 67.191741][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 +[ 67.202164][ T4926] ================================================================== -- cgit mrf-deployment