Extracting prog: 44.070221132s Minimizing prog: 24m14.026344176s Simplifying prog options: 0s Extracting C: 22.770478825s Simplifying C: 4m16.278266381s extracting reproducer from 31 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$9p_virtio-chdir-pipe-socket$inet_udp-close-syz_open_dev$loop-memfd_create-pwritev-ioctl$LOOP_CHANGE_FD-ioctl$LOOP_SET_STATUS-ioctl$LOOP_CLR_FD-write-write$binfmt_misc-splice-openat$cgroup_ro-mmap-write$P9_RREAD-socket-syz_open_dev$audion-sendfile-getsockopt detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) mount$9p_virtio(&(0x7f00000001c0), &(0x7f0000000480)='./file0\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="78226e6f65786163638173733d616e792c63616368653d66736361636865"]) chdir(&(0x7f0000000080)='./file0\x00') pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r4 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n0xffffffffffffffff}) r1 = socket$inet_udp(0x2, 0x2, 0x0) close(r1) r2 = syz_open_dev$loop(&(0x7f00000001c0), 0x75f, 0x103382) r3 = memfd_create(&(0x7f0000000880)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc9\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\xa4(V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J]\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93i|\xc0\x00\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\xb5\x13^\x13\xcb\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n 48 89 f3 e8 18 01 00 00 84 c0 0f 85 90 00 00 00 65 48 8b 15 78 RSP: 0018:ffffc90003e68000 EFLAGS: 00010086 RAX: dffffc0000000000 RBX: ffff888031e10000 RCX: ffffc90003e680b8 RDX: ffffc90003e68098 RSI: ffff888031e10000 RDI: ffffc90003e68048 RBP: ffffc90003e68098 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90003e68098 R11: 0000000000000002 R12: ffffc90003e68048 R13: ffffc90003e680b8 R14: ffffc90003e68098 R15: ffffc90003e680c0 FS: 000055558a1ce480(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003e67ff8 CR3: 0000000035070000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> get_stack_info+0x30/0xb0 arch/x86/kernel/dumpstack_64.c:199 __unwind_start+0x3f6/0x7f0 arch/x86/kernel/unwind_orc.c:729 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4160 radix_tree_node_alloc.constprop.0+0x1e8/0x350 lib/radix-tree.c:253 idr_get_free+0x528/0xa40 lib/radix-tree.c:1506 idr_alloc_u32+0x191/0x2f0 lib/idr.c:46 idr_alloc+0xc1/0x130 lib/idr.c:87 p9_tag_alloc+0x394/0x870 net/9p/client.c:321 p9_client_prepare_req+0x19f/0x4d0 net/9p/client.c:644 p9_client_rpc+0x1c3/0xc10 net/9p/client.c:691 p9_client_read_once+0x24f/0x820 net/9p/client.c:1575 p9_client_read+0x13f/0x1b0 net/9p/client.c:1534 v9fs_issue_read+0x115/0x310 fs/9p/vfs_addr.c:74 netfs_retry_read_subrequests fs/netfs/read_retry.c:60 [inline] netfs_retry_reads+0x153d/0x1d00 fs/netfs/read_retry.c:232 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_dispatch_unbuffered_reads fs/netfs/direct_read.c:103 [inline] netfs_unbuffered_read fs/netfs/direct_read.c:127 [inline] netfs_unbuffered_read_iter_locked+0x12e1/0x19a0 fs/netfs/direct_read.c:221 netfs_unbuffered_read_iter+0xc5/0x100 fs/netfs/direct_read.c:256 v9fs_file_read_iter+0xbf/0x100 fs/9p/vfs_file.c:361 copy_splice_read+0x620/0xb90 fs/splice.c:365 v9fs_file_splice_read+0xc8/0xe0 fs/9p/vfs_file.c:385 do_splice_read fs/splice.c:985 [inline] do_splice_read+0x282/0x370 fs/splice.c:959 splice_direct_to_actor+0x2a4/0xa40 fs/splice.c:1089 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x178/0x250 fs/splice.c:1233 do_sendfile+0xaed/0xe30 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1418 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __x64_sys_sendfile64+0x155/0x220 fs/read_write.c:1410 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f43cc7a92b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7468afa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f43cc7a92b9 RDX: 0000000020000140 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00236f696475612f R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 00007ffe7468aff0 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:get_stack_info_noinstr+0xf/0x120 arch/x86/kernel/dumpstack_64.c:172 Code: 52 da 74 00 eb 9c 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 55 41 54 49 89 fc 55 48 89 d5 <53> 48 89 f3 e8 18 01 00 00 84 c0 0f 85 90 00 00 00 65 48 8b 15 78 RSP: 0018:ffffc90003e68000 EFLAGS: 00010086 RAX: dffffc0000000000 RBX: ffff888031e10000 RCX: ffffc90003e680b8 RDX: ffffc90003e68098 RSI: ffff888031e10000 RDI: ffffc90003e68048 RBP: ffffc90003e68098 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90003e68098 R11: 0000000000000002 R12: ffffc90003e68048 R13: ffffc90003e680b8 R14: ffffc90003e68098 R15: ffffc90003e680c0 FS: 000055558a1ce480(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003e67ff8 CR3: 0000000035070000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 52 push %rdx 1: da 74 00 eb fidivl -0x15(%rax,%rax,1) 5: 9c pushf 6: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 66 0f 1f 00 nopw (%rax) 1f: 41 55 push %r13 21: 41 54 push %r12 23: 49 89 fc mov %rdi,%r12 26: 55 push %rbp 27: 48 89 d5 mov %rdx,%rbp * 2a: 53 push %rbx <-- trapping instruction 2b: 48 89 f3 mov %rsi,%rbx 2e: e8 18 01 00 00 call 0x14b 33: 84 c0 test %al,%al 35: 0f 85 90 00 00 00 jne 0xcb 3b: 65 gs 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 15 .byte 0x15 3f: 78 .byte 0x78 final repro crashed as (corrupted=false): BUG: TASK stack guard page was hit at ffffc90003e67ff8 (stack is ffffc90003e68000..ffffc90003e70000) Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 3 UID: 0 PID: 5932 Comm: syz-executor217 Not tainted 6.12.0-syzkaller-12113-gbcc8eda6d349 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:get_stack_info_noinstr+0xf/0x120 arch/x86/kernel/dumpstack_64.c:172 Code: 52 da 74 00 eb 9c 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 55 41 54 49 89 fc 55 48 89 d5 <53> 48 89 f3 e8 18 01 00 00 84 c0 0f 85 90 00 00 00 65 48 8b 15 78 RSP: 0018:ffffc90003e68000 EFLAGS: 00010086 RAX: dffffc0000000000 RBX: ffff888031e10000 RCX: ffffc90003e680b8 RDX: ffffc90003e68098 RSI: ffff888031e10000 RDI: ffffc90003e68048 RBP: ffffc90003e68098 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90003e68098 R11: 0000000000000002 R12: ffffc90003e68048 R13: ffffc90003e680b8 R14: ffffc90003e68098 R15: ffffc90003e680c0 FS: 000055558a1ce480(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003e67ff8 CR3: 0000000035070000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> get_stack_info+0x30/0xb0 arch/x86/kernel/dumpstack_64.c:199 __unwind_start+0x3f6/0x7f0 arch/x86/kernel/unwind_orc.c:729 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4160 radix_tree_node_alloc.constprop.0+0x1e8/0x350 lib/radix-tree.c:253 idr_get_free+0x528/0xa40 lib/radix-tree.c:1506 idr_alloc_u32+0x191/0x2f0 lib/idr.c:46 idr_alloc+0xc1/0x130 lib/idr.c:87 p9_tag_alloc+0x394/0x870 net/9p/client.c:321 p9_client_prepare_req+0x19f/0x4d0 net/9p/client.c:644 p9_client_rpc+0x1c3/0xc10 net/9p/client.c:691 p9_client_read_once+0x24f/0x820 net/9p/client.c:1575 p9_client_read+0x13f/0x1b0 net/9p/client.c:1534 v9fs_issue_read+0x115/0x310 fs/9p/vfs_addr.c:74 netfs_retry_read_subrequests fs/netfs/read_retry.c:60 [inline] netfs_retry_reads+0x153d/0x1d00 fs/netfs/read_retry.c:232 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x1553/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_dispatch_unbuffered_reads fs/netfs/direct_read.c:103 [inline] netfs_unbuffered_read fs/netfs/direct_read.c:127 [inline] netfs_unbuffered_read_iter_locked+0x12e1/0x19a0 fs/netfs/direct_read.c:221 netfs_unbuffered_read_iter+0xc5/0x100 fs/netfs/direct_read.c:256 v9fs_file_read_iter+0xbf/0x100 fs/9p/vfs_file.c:361 copy_splice_read+0x620/0xb90 fs/splice.c:365 v9fs_file_splice_read+0xc8/0xe0 fs/9p/vfs_file.c:385 do_splice_read fs/splice.c:985 [inline] do_splice_read+0x282/0x370 fs/splice.c:959 splice_direct_to_actor+0x2a4/0xa40 fs/splice.c:1089 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x178/0x250 fs/splice.c:1233 do_sendfile+0xaed/0xe30 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1418 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __x64_sys_sendfile64+0x155/0x220 fs/read_write.c:1410 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f43cc7a92b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7468afa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f43cc7a92b9 RDX: 0000000020000140 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00236f696475612f R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 00007ffe7468aff0 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:get_stack_info_noinstr+0xf/0x120 arch/x86/kernel/dumpstack_64.c:172 Code: 52 da 74 00 eb 9c 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 55 41 54 49 89 fc 55 48 89 d5 <53> 48 89 f3 e8 18 01 00 00 84 c0 0f 85 90 00 00 00 65 48 8b 15 78 RSP: 0018:ffffc90003e68000 EFLAGS: 00010086 RAX: dffffc0000000000 RBX: ffff888031e10000 RCX: ffffc90003e680b8 RDX: ffffc90003e68098 RSI: ffff888031e10000 RDI: ffffc90003e68048 RBP: ffffc90003e68098 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90003e68098 R11: 0000000000000002 R12: ffffc90003e68048 R13: ffffc90003e680b8 R14: ffffc90003e68098 R15: ffffc90003e680c0 FS: 000055558a1ce480(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003e67ff8 CR3: 0000000035070000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 52 push %rdx 1: da 74 00 eb fidivl -0x15(%rax,%rax,1) 5: 9c pushf 6: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 66 0f 1f 00 nopw (%rax) 1f: 41 55 push %r13 21: 41 54 push %r12 23: 49 89 fc mov %rdi,%r12 26: 55 push %rbp 27: 48 89 d5 mov %rdx,%rbp * 2a: 53 push %rbx <-- trapping instruction 2b: 48 89 f3 mov %rsi,%rbx 2e: e8 18 01 00 00 call 0x14b 33: 84 c0 test %al,%al 35: 0f 85 90 00 00 00 jne 0xcb 3b: 65 gs 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 15 .byte 0x15 3f: 78 .byte 0x78