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panic: Sentry detected 1 stuck task(s): (2)

Status: closed as dup on 2020/09/13 08:11
Reported-by: syzbot+0cc04fe079d19d179f73@syzkaller.appspotmail.com
First crash: 1574d, last: 1491d
▶ ▼ Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: Sentry detected stuck tasks C 506 1464d 1484d
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected 1 stuck task(s): C 6204 1581d 1668d 0/26 fixed on 2020/06/11 00:39

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 20 (0x14), entered RunSys state 3m25.95s ago.
Search for '(*Task).run(0x..., 0x<tid>)' in the stack dump to find the offending goroutine
Stack for running G's are skipped while panicking.

goroutine 196 [running]:
panic(0xe89d20, 0xc000100380)
	GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc000651c08 sp=0xc000651b50 pc=0x43438d
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000135a80, 0x1, 0x1, 0xc000651d70)
	pkg/sentry/watchdog/watchdog.go:368 +0x57d fp=0xc000651d00 sp=0xc000651c08 pc=0xa3d1fd
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000135a80, 0xc00011a210, 0x16c01, 0xd9745aa200)
	pkg/sentry/watchdog/watchdog.go:327 +0x311 fp=0xc000651e38 sp=0xc000651d00 pc=0xa3cbc1
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000135a80)
	pkg/sentry/watchdog/watchdog.go:308 +0x4b4 fp=0xc000651f40 sp=0xc000651e38 pc=0xa3c7d4
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000135a80)
	pkg/sentry/watchdog/watchdog.go:243 +0x42 fp=0xc000651fd8 sp=0xc000651f40 pc=0xa3c242
runtime.goexit()
	src/runtime/asm_amd64.s:1373 +0x1 fp=0xc000651fe0 sp=0xc000651fd8 pc=0x467d61
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:194 +0x1b7

Crashes (66):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/08/14 06:19 gvisor b928d074b461 bc15f7db .config console log report syz C ci-gvisor-main
2020/08/14 03:43 gvisor b928d074b461 bc15f7db .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/08/11 10:39 gvisor 0a8ae4b32f0d d3694ffb .config console log report syz C ci-gvisor-main
2020/08/11 08:23 gvisor 0a8ae4b32f0d d3694ffb .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/08/08 18:46 gvisor 13a8ae81b236 01975a06 .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/08/08 16:30 gvisor 13a8ae81b236 01975a06 .config console log report syz C ci-gvisor-main
2020/08/04 05:25 gvisor 10f6c41bbd5d 196277c4 .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/08/04 03:26 gvisor 10f6c41bbd5d 196277c4 .config console log report syz C ci-gvisor-main
2020/07/28 07:49 gvisor 1876225fc82a cb93dc6a .config console log report syz C ci-gvisor-main
2020/07/28 05:46 gvisor 1876225fc82a cb93dc6a .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/07/25 11:37 gvisor ea0342d470e7 0a13649c .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/07/24 18:24 gvisor e2c70ee9814f 83892305 .config console log report syz C ci-gvisor-main
2020/07/24 16:21 gvisor e2c70ee9814f 83892305 .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/07/23 10:41 gvisor 13c0cca50e06 340ea530 .config console log report syz C ci-gvisor-main
2020/07/23 08:16 gvisor 13c0cca50e06 340ea530 .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/07/17 21:02 gvisor dcf6ddc2772b 9c812472 .config console log report syz C ci-gvisor-main
2020/07/17 18:55 gvisor dcf6ddc2772b 9c812472 .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/06/27 10:01 gvisor 85be13d9a3fa ffec44b5 .config console log report syz C ci-gvisor-ptrace-proxy-sandbox-race
2020/06/27 10:01 gvisor 85be13d9a3fa ffec44b5 .config console log report syz C ci-gvisor-main
2020/06/27 10:01 gvisor 85be13d9a3fa ffec44b5 .config console log report syz C ci-gvisor-ptrace-direct-overlay-host
2020/06/27 08:22 gvisor 85be13d9a3fa ffec44b5 .config console log report syz C ci-gvisor-ptrace-direct-overlay-host-race
2020/09/06 13:10 gvisor 2202812e074a abf9ba4f .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/09/06 07:44 gvisor 2202812e074a abf9ba4f .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/17 04:49 gvisor 13a8ae81b236 4a68e16f .config console log report ci-gvisor-kvm-direct-sandbox
2020/08/17 02:56 gvisor 9a7b5830aa06 4a68e16f .config console log report ci-gvisor-main
2020/08/16 13:49 gvisor 9a7b5830aa06 4a68e16f .config console log report ci-gvisor-ptrace-direct-overlay-host-race
2020/08/11 07:46 gvisor 0a8ae4b32f0d d3694ffb .config console log report ci-gvisor-main
2020/08/10 10:57 gvisor b404b5c25521 f721e4a0 .config console log report ci-gvisor-main
2020/08/09 11:01 gvisor b404b5c25521 f721e4a0 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/07 07:29 gvisor 90021e775a6e 1f122f88 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/06 21:59 gvisor 35312a95c4c8 1f122f88 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/02 02:41 gvisor d5b31458aae5 d895b3be .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/31 17:34 gvisor 68a7da9549ac d895b3be .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/31 11:03 gvisor 1b11326ecdd7 b0947553 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/31 04:45 gvisor 1b11326ecdd7 b0947553 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/27 18:49 gvisor b38bae00885e cb93dc6a .config console log report ci-gvisor-main
2020/07/26 02:15 gvisor d6b676ae6ac6 1f7cc1ca .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/20 20:07 gvisor feb1d3d5a7d9 8caeeeb7 .config console log report ci-gvisor-main
2020/07/18 07:04 gvisor feb1d3d5a7d9 9c812472 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/18 04:27 gvisor e6894cb99fe4 9c812472 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/07/18 04:27 gvisor feb1d3d5a7d9 9c812472 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/18 04:21 gvisor e6894cb99fe4 9c812472 .config console log report ci-gvisor-kvm-direct-sandbox
2020/07/18 04:21 gvisor feb1d3d5a7d9 9c812472 .config console log report ci-gvisor-main
2020/07/17 21:29 gvisor dcf6ddc2772b 9c812472 .config console log report ci-gvisor-ptrace-direct-overlay-host
2020/07/16 22:06 gvisor 0a745cb3432d b090c643 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/15 13:32 gvisor 8a0082f5f3aa ada108d0 .config console log report ci-gvisor-main
2020/07/12 13:22 gvisor 8d2910a04dec 7ba05d2d .config console log report ci-gvisor-kvm-direct-sandbox
2020/07/10 16:42 gvisor 5df3a8fedef7 56d01184 .config console log report ci-gvisor-main
2020/07/07 05:12 gvisor 937912a4847c 695ef2dd .config console log report ci-gvisor-main
2020/07/06 13:10 gvisor 0c1353866432 695ef2dd .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/06 07:21 gvisor 0c1353866432 695ef2dd .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/05 08:51 gvisor 5ac34386a73b 695ef2dd .config console log report ci-gvisor-main
2020/07/02 18:16 gvisor 6c099d830091 695ef2dd .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/02 01:43 gvisor 6a90c88b9748 695ef2dd .config console log report ci-gvisor-main
2020/07/01 18:34 gvisor c9446f05347b 33576216 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/01 17:11 gvisor c9446f05347b 33576216 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/01 13:56 gvisor c9446f05347b 33576216 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/06/25 14:14 gvisor b5e814445a4d 9d60b18e .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/06/25 05:35 gvisor 364ac92baf83 9d60b18e .config console log report ci-gvisor-kvm-direct-sandbox
2020/06/15 10:49 gvisor f23f62c2c2bc 8e3ab941 .config console log report ci-gvisor-ptrace-direct-overlay-host
* Struck through repros no longer work on HEAD.