diff options
| author | Andrey Konovalov <andreyknvl@google.com> | 2017-12-08 14:42:30 +0100 |
|---|---|---|
| committer | Andrey Konovalov <andreyknvl@gmail.com> | 2017-12-08 15:25:06 +0100 |
| commit | 20860a992ac27eabc83b227601b1be1c8dc293f0 (patch) | |
| tree | 95b5da170cf1c84e7bc38032d45f349994af54d0 /pkg | |
| parent | 38a2a3f58628f1861c8e8643ab079b3b1200e484 (diff) | |
pkg/report: add arch/*/mm/fault.c to guilty file blacklist
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/report/linux.go | 1 | ||||
| -rw-r--r-- | pkg/report/linux_test.go | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/pkg/report/linux.go b/pkg/report/linux.go index cf40d67df..352872366 100644 --- a/pkg/report/linux.go +++ b/pkg/report/linux.go @@ -65,6 +65,7 @@ func ctorLinux(kernelSrc, kernelObj string, symbols map[string][]symbolizer.Symb regexp.MustCompile(`^mm/page_alloc.c`), regexp.MustCompile(`^kernel/rcu/.*`), regexp.MustCompile(`^arch/.*/kernel/traps.c`), + regexp.MustCompile(`^arch/.*/mm/fault.c`), regexp.MustCompile(`^kernel/locking/*`), regexp.MustCompile(`^kernel/panic.c`), regexp.MustCompile(`^kernel/softirq.c`), diff --git a/pkg/report/linux_test.go b/pkg/report/linux_test.go index 542eb44ae..1a2db27c9 100644 --- a/pkg/report/linux_test.go +++ b/pkg/report/linux_test.go @@ -3160,6 +3160,42 @@ DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blkcipher_walk_done+0x72b/0xde0 crypto/blkcipher.c:139 `: `crypto/blkcipher.c`, + ` +BUG: sleeping function called from invalid context at arch/x86/mm/fault.c:1372 +in_atomic(): 0, irqs_disabled(): 1, pid: 22259, name: syz-executor7 +2 locks held by syz-executor7/22259: + #0: (sk_lock-AF_ALG){+.+.}, at: [<0000000035a74818>] lock_sock include/net/sock.h:1465 [inline] + #0: (sk_lock-AF_ALG){+.+.}, at: [<0000000035a74818>] af_alg_wait_for_data+0x2f2/0x650 crypto/af_alg.c:768 + #1: (&mm->mmap_sem){++++}, at: [<0000000044f840f2>] __do_page_fault+0x32d/0xc90 arch/x86/mm/fault.c:1358 +irq event stamp: 332 +hardirqs last enabled at (331): [<00000000eed64b41>] slab_alloc mm/slab.c:3378 [inline] +hardirqs last enabled at (331): [<00000000eed64b41>] __do_kmalloc mm/slab.c:3709 [inline] +hardirqs last enabled at (331): [<00000000eed64b41>] __kmalloc+0x23a/0x760 mm/slab.c:3720 +hardirqs last disabled at (332): [<00000000f3407c2d>] kfree+0x6a/0x250 mm/slab.c:3800 +softirqs last enabled at (318): [<00000000c75b17c3>] lock_sock_nested+0x91/0x110 net/core/sock.c:2765 +softirqs last disabled at (316): [<00000000272f4822>] spin_lock_bh include/linux/spinlock.h:320 [inline] +softirqs last disabled at (316): [<00000000272f4822>] lock_sock_nested+0x44/0x110 net/core/sock.c:2762 +CPU: 0 PID: 22259 Comm: syz-executor7 Not tainted 4.15.0-rc1+ #131 +Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +Call Trace: + __dump_stack lib/dump_stack.c:17 [inline] + dump_stack+0x194/0x257 lib/dump_stack.c:53 + ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6060 + __might_sleep+0x95/0x190 kernel/sched/core.c:6013 + __do_page_fault+0x350/0xc90 arch/x86/mm/fault.c:1372 + do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504 + page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1094 +RIP: 0010:virt_to_cache mm/slab.c:400 [inline] +RIP: 0010:kfree+0xb2/0x250 mm/slab.c:3802 +RSP: 0018:ffff8801cc82f780 EFLAGS: 00010046 +RAX: 0000000000000000 RBX: ffff8801cc82f948 RCX: ffffffffffffffff +RDX: ffffea0007320bc0 RSI: 0000000000000000 RDI: ffff8801cc82f948 +RBP: ffff8801cc82f7a0 R08: ffffed003a54e4dc R09: 0000000000000000 +R10: 0000000000000001 R11: ffffed003a54e4db R12: 0000000000000286 +R13: 0000000000000000 R14: ffff8801cc82f948 R15: ffff8801cc82f8b0 + blkcipher_walk_done+0x72b/0xde0 crypto/blkcipher.c:139 + encrypt+0x50a/0xaf0 crypto/salsa20_generic.c:208 +`: `crypto/af_alg.c`, } reporter, err := NewReporter("linux", "", "", nil, nil) if err != nil { |