syzkaller login: [ 35.171657] sshd (243) used greatest stack depth: 24624 bytes left Warning: Permanently added '[localhost]:47024' (ECDSA) to the list of known hosts. 2022/09/13 16:32:54 fuzzer started 2022/09/13 16:32:55 dialing manager at localhost:36597 [ 37.022723] cgroup: Unknown subsys name 'net' [ 37.077783] cgroup: Unknown subsys name 'rlimit' 2022/09/13 16:33:09 syscalls: 2215 2022/09/13 16:33:09 code coverage: enabled 2022/09/13 16:33:09 comparison tracing: enabled 2022/09/13 16:33:09 extra coverage: enabled 2022/09/13 16:33:09 setuid sandbox: enabled 2022/09/13 16:33:09 namespace sandbox: enabled 2022/09/13 16:33:09 Android sandbox: enabled 2022/09/13 16:33:09 fault injection: enabled 2022/09/13 16:33:09 leak checking: enabled 2022/09/13 16:33:09 net packet injection: enabled 2022/09/13 16:33:09 net device setup: enabled 2022/09/13 16:33:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 16:33:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 16:33:09 USB emulation: enabled 2022/09/13 16:33:09 hci packet injection: enabled 2022/09/13 16:33:09 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 16:33:09 802.15.4 emulation: enabled 2022/09/13 16:33:09 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 16:33:09 fetching corpus: 50, signal 33889/37354 (executing program) 2022/09/13 16:33:09 fetching corpus: 100, signal 43852/48834 (executing program) 2022/09/13 16:33:09 fetching corpus: 150, signal 54362/60623 (executing program) 2022/09/13 16:33:10 fetching corpus: 200, signal 60716/68323 (executing program) 2022/09/13 16:33:10 fetching corpus: 250, signal 67756/76525 (executing program) 2022/09/13 16:33:10 fetching corpus: 300, signal 73517/83457 (executing program) 2022/09/13 16:33:10 fetching corpus: 350, signal 80192/91143 (executing program) 2022/09/13 16:33:10 fetching corpus: 400, signal 83656/95698 (executing program) 2022/09/13 16:33:10 fetching 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16:33:30 fetching corpus: 7000, signal 246248/257596 (executing program) 2022/09/13 16:33:30 fetching corpus: 7050, signal 246797/257626 (executing program) 2022/09/13 16:33:30 fetching corpus: 7100, signal 247195/257662 (executing program) 2022/09/13 16:33:30 fetching corpus: 7150, signal 247650/257694 (executing program) 2022/09/13 16:33:31 fetching corpus: 7200, signal 248025/257699 (executing program) 2022/09/13 16:33:31 fetching corpus: 7211, signal 248171/257703 (executing program) 2022/09/13 16:33:31 fetching corpus: 7211, signal 248171/257703 (executing program) 2022/09/13 16:33:32 starting 8 fuzzer processes 16:33:32 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x2, 0x0) pwrite64(r1, &(0x7f00000000c0)='9', 0x1, 0x8040000) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x4042, 0x0) sendfile(r1, r2, 0x0, 0xffff) fallocate(r2, 0x3, 0x0, 0x8000000) 16:33:32 executing program 1: perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/snmp\x00') lseek(r0, 0xb2, 0x0) creat(0x0, 0x120) r1 = accept4(0xffffffffffffffff, &(0x7f0000000700)=@pptp, 0x0, 0xc0800) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000300)={0x0, ""/256, 0x0, 0x0, 0x0, 0x0, ""/16, ""/16, ""/16, 0x0}) r3 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_group_source_req(r3, 0x29, 0x0, 0x0, 0x0) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(0xffffffffffffffff, 0xc0c89425, &(0x7f0000000100)={"3e19425ebaf34e244373a34f006395ca", r2, 0x0, {0x400, 0x4}, {0x80, 0xff}, 0x3f, [0x2, 0x9, 0xfff, 0xff, 0x2, 0xff, 0x2, 0x8, 0x2, 0x25bdc33f, 0x10000, 0x3, 0x3f, 0x2, 0x9c3, 0x9]}) ioctl$SCSI_IOCTL_SYNC(0xffffffffffffffff, 0x4) 16:33:32 executing program 2: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff034}, {0x6}]}, 0x10) [ 74.622333] audit: type=1400 audit(1663086812.996:6): avc: denied { execmem } for pid=281 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 16:33:33 executing program 7: r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x208000, 0x0) fsconfig$FSCONFIG_SET_PATH(r1, 0x3, &(0x7f0000000040)='\x00', &(0x7f0000000100)='./file0\x00', 0xffffffffffffff9c) pwritev(r0, &(0x7f0000000200), 0x0, 0x0, 0x0) pwritev(r0, &(0x7f0000000140)=[{&(0x7f0000000080)="b4fb4d5b21639f1ee644511d776de845df4ade776c7b03f79b896ad1875badea46e2d1dfe58ff5e17af4104a31af6c8d6b2eda8b51da1a47c84a74eb0c5b2f8655f2a87a5f879f68045d07898284f7", 0x4f}, {&(0x7f0000000300)="b465855c78d26a71cdad18875c18dc8647cc1de2eb55604a19ba29a814ae6b80eb2f607232426c0f82546d991f22f054574d94ffa43467a569a72099400736e68284221e9c668a4cd6486b39e0bcaacd11f2bce4f3fd8e7b86f989258d4a965243ad3e5a8683c0742c0a0f228033371dded327ec405a4758780b483ca1ee777c5df73977785dae71e25c8e436c2215bfd998552de80adb73383cebe654435b34aea17491f978629c144053ccfd13123250bc0339b6f48974116d2ad8ecd070c3be6441b707a7c79f0cd0a6", 0xcb}], 0x2, 0x1, 0xe72) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000440)=0x2) r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/custom1\x00', 0x802, 0x0) ioctl$AUTOFS_IOC_READY(r3, 0x9360, 0x6) r4 = syz_open_pts(0xffffffffffffffff, 0x400080) ioctl$TIOCCBRK(r4, 0x5428) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 16:33:33 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) setsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x3, &(0x7f0000000000), 0xc) 16:33:33 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_GET_STATS_CPU(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x3, 0x2, 0x401}, 0x14}}, 0x0) 16:33:33 executing program 5: r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) readv(r0, &(0x7f0000000140)=[{&(0x7f0000000300)=""/136, 0x88}], 0x1) 16:33:33 executing program 6: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x2, 0x3, 0x0) [ 75.806821] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.809622] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.812267] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.817094] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.824833] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.825899] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 75.827116] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 75.827995] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 75.830096] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 75.831313] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 75.832108] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.833075] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 75.836817] Bluetooth: hci1: HCI_REQ-0x0c1a [ 75.840346] Bluetooth: hci0: HCI_REQ-0x0c1a [ 75.937881] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 75.938689] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 75.939583] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 75.940899] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 75.941614] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 75.942099] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 75.943813] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 75.944326] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 75.944792] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 75.949418] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 75.949932] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 75.950463] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 75.951335] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 75.952100] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 75.953134] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 75.953648] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 75.954139] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 75.954835] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 75.957742] Bluetooth: hci7: HCI_REQ-0x0c1a [ 75.963526] Bluetooth: hci6: HCI_REQ-0x0c1a [ 75.973408] Bluetooth: hci5: HCI_REQ-0x0c1a [ 77.866767] Bluetooth: hci0: command 0x0409 tx timeout [ 77.868350] Bluetooth: hci1: command 0x0409 tx timeout [ 77.930318] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 77.931436] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 77.932433] Bluetooth: hci2: Opcode 0x c03 failed: -110 [ 77.994327] Bluetooth: hci5: command 0x0409 tx timeout [ 77.994327] Bluetooth: hci6: command 0x0409 tx timeout [ 77.994785] Bluetooth: hci7: command 0x0409 tx timeout [ 79.914277] Bluetooth: hci1: command 0x041b tx timeout [ 79.914976] Bluetooth: hci0: command 0x041b tx timeout [ 80.042253] Bluetooth: hci7: command 0x041b tx timeout [ 80.042784] Bluetooth: hci6: command 0x041b tx timeout [ 80.043864] Bluetooth: hci5: command 0x041b tx timeout [ 81.289809] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 81.295960] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 81.303067] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 81.327000] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 81.336379] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 81.342631] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 81.361638] Bluetooth: hci2: HCI_REQ-0x0c1a [ 81.962304] Bluetooth: hci0: command 0x040f tx timeout [ 81.963247] Bluetooth: hci1: command 0x040f tx timeout [ 82.090539] Bluetooth: hci5: command 0x040f tx timeout [ 82.091598] Bluetooth: hci6: command 0x040f tx timeout [ 82.092618] Bluetooth: hci7: command 0x040f tx timeout [ 83.434739] Bluetooth: hci2: command 0x0409 tx timeout [ 83.562290] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 83.564158] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 84.010307] Bluetooth: hci1: command 0x0419 tx timeout [ 84.011145] Bluetooth: hci0: command 0x0419 tx timeout [ 84.138297] Bluetooth: hci7: command 0x0419 tx timeout [ 84.139121] Bluetooth: hci6: command 0x0419 tx timeout [ 84.139957] Bluetooth: hci5: command 0x0419 tx timeout [ 85.482561] Bluetooth: hci2: command 0x041b tx timeout [ 87.530564] Bluetooth: hci2: command 0x040f tx timeout [ 88.810253] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 89.195120] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 89.578627] Bluetooth: hci2: command 0x0419 tx timeout [ 93.994326] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 94.506341] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 98.794282] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 99.242325] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 102.034077] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 102.037855] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 102.040338] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 102.044399] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 102.048745] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 102.050052] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 102.054943] Bluetooth: hci4: HCI_REQ-0x0c1a [ 103.531280] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 104.106468] Bluetooth: hci4: command 0x0409 tx timeout [ 106.154701] Bluetooth: hci4: command 0x041b tx timeout [ 108.202253] Bluetooth: hci4: command 0x040f tx timeout [ 108.586233] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 110.250359] Bluetooth: hci4: command 0x0419 tx timeout [ 111.270760] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 111.273401] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 111.274658] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 111.277927] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 111.280139] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 111.281680] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 111.286324] Bluetooth: hci3: HCI_REQ-0x0c1a [ 113.322374] Bluetooth: hci3: command 0x0409 tx timeout [ 115.370309] Bluetooth: hci3: command 0x041b tx timeout [ 117.418274] Bluetooth: hci3: command 0x040f tx timeout [ 119.466719] Bluetooth: hci3: command 0x0419 tx timeout 16:34:29 executing program 3: syz_mount_image$tmpfs(&(0x7f0000000540), &(0x7f0000000580)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000840)=ANY=[]) stat(&(0x7f0000000180)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r0, 0x0) utime(&(0x7f0000000040)='./file0\x00', 0x0) 16:34:29 executing program 3: syz_mount_image$tmpfs(&(0x7f0000000540), &(0x7f0000000580)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000840)=ANY=[]) stat(&(0x7f0000000180)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r0, 0x0) utime(&(0x7f0000000040)='./file0\x00', 0x0) 16:34:30 executing program 3: syz_mount_image$tmpfs(&(0x7f0000000540), &(0x7f0000000580)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000840)=ANY=[]) stat(&(0x7f0000000180)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r0, 0x0) utime(&(0x7f0000000040)='./file0\x00', 0x0) 16:34:30 executing program 3: syz_mount_image$tmpfs(&(0x7f0000000540), &(0x7f0000000580)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000840)=ANY=[]) stat(&(0x7f0000000180)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r0, 0x0) utime(&(0x7f0000000040)='./file0\x00', 0x0) 16:34:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}}, 0x0) 16:34:30 executing program 3: syz_mount_image$vfat(&(0x7f0000000080), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366d8a02b00080101000440002000f801", 0x17}, {0x0, 0x0, 0x2800}], 0x0, &(0x7f0000000140)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) [ 132.266621] loop3: detected capacity change from 0 to 40 16:34:30 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000), 0x4) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f00000000c0)=0x3, 0x4) syz_emit_ethernet(0x33, &(0x7f0000000140)={@multicast, @remote, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x25, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x11, 0x0, @opaque="e3704100000000da07"}}}}}, 0x0) 16:34:31 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000), 0x4) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f00000000c0)=0x3, 0x4) syz_emit_ethernet(0x33, &(0x7f0000000140)={@multicast, @remote, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x25, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x11, 0x0, @opaque="e3704100000000da07"}}}}}, 0x0) [ 133.425858] audit: type=1400 audit(1663086871.800:7): avc: denied { open } for pid=3390 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 133.428874] audit: type=1400 audit(1663086871.800:8): avc: denied { kernel } for pid=3390 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 133.452817] hrtimer: interrupt took 28183 ns [ 133.455750] ------------[ cut here ]------------ [ 133.455786] [ 133.455791] ====================================================== [ 133.455797] WARNING: possible circular locking dependency detected [ 133.455804] 6.0.0-rc5-next-20220913 #1 Not tainted [ 133.455816] ------------------------------------------------------ [ 133.455821] syz-executor.7/3391 is trying to acquire lock: [ 133.455833] ffffffff853fa878 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0xe/0x70 [ 133.455897] [ 133.455897] but task is already holding lock: [ 133.455902] ffff88800d248820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 133.455951] [ 133.455951] which lock already depends on the new lock. [ 133.455951] [ 133.455957] [ 133.455957] the existing dependency chain (in reverse order) is: [ 133.455963] [ 133.455963] -> #3 (&ctx->lock){....}-{2:2}: [ 133.455988] _raw_spin_lock+0x2a/0x40 [ 133.456017] __perf_event_task_sched_out+0x53b/0x18d0 [ 133.456040] __schedule+0xedd/0x2470 [ 133.456058] preempt_schedule_common+0x45/0xc0 [ 133.456078] __cond_resched+0x17/0x30 [ 133.456096] __mutex_lock+0xa3/0x14d0 [ 133.456117] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.456139] do_syscall_64+0x3b/0x90 [ 133.456167] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.456226] [ 133.456226] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 133.456251] _raw_spin_lock_nested+0x30/0x40 [ 133.456278] raw_spin_rq_lock_nested+0x1e/0x30 [ 133.456301] task_fork_fair+0x63/0x4d0 [ 133.456331] sched_cgroup_fork+0x3d0/0x540 [ 133.456356] copy_process+0x3f9e/0x6df0 [ 133.456375] kernel_clone+0xe7/0x890 [ 133.456392] user_mode_thread+0xad/0xf0 [ 133.456411] rest_init+0x24/0x250 [ 133.456440] arch_call_rest_init+0xf/0x14 [ 133.456474] start_kernel+0x4c1/0x4e6 [ 133.456504] secondary_startup_64_no_verify+0xe0/0xeb [ 133.456530] [ 133.456530] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 133.456555] _raw_spin_lock_irqsave+0x39/0x60 [ 133.456582] try_to_wake_up+0xab/0x1920 [ 133.456606] up+0x75/0xb0 [ 133.456626] __up_console_sem+0x6e/0x80 [ 133.456654] console_unlock+0x46a/0x590 [ 133.456682] vt_ioctl+0x2822/0x2ca0 [ 133.456704] tty_ioctl+0x7c4/0x1700 [ 133.456724] __x64_sys_ioctl+0x19a/0x210 [ 133.456750] do_syscall_64+0x3b/0x90 [ 133.456773] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.456803] [ 133.456803] -> #0 ((console_sem).lock){-...}-{2:2}: [ 133.456829] __lock_acquire+0x2a02/0x5e70 [ 133.456858] lock_acquire+0x1a2/0x530 [ 133.456887] _raw_spin_lock_irqsave+0x39/0x60 [ 133.456913] down_trylock+0xe/0x70 [ 133.456935] __down_trylock_console_sem+0x3b/0xd0 [ 133.456964] vprintk_emit+0x16b/0x560 [ 133.456994] vprintk+0x84/0xa0 [ 133.457022] _printk+0xba/0xf1 [ 133.457053] report_bug.cold+0x72/0xab [ 133.457075] handle_bug+0x3c/0x70 [ 133.457097] exc_invalid_op+0x14/0x50 [ 133.457121] asm_exc_invalid_op+0x16/0x20 [ 133.457150] group_sched_out.part.0+0x2c7/0x460 [ 133.457169] ctx_sched_out+0x8f1/0xc10 [ 133.457187] __perf_event_task_sched_out+0x6d0/0x18d0 [ 133.457209] __schedule+0xedd/0x2470 [ 133.457226] preempt_schedule_common+0x45/0xc0 [ 133.457246] __cond_resched+0x17/0x30 [ 133.457264] __mutex_lock+0xa3/0x14d0 [ 133.457284] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.457307] do_syscall_64+0x3b/0x90 [ 133.457330] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.457360] [ 133.457360] other info that might help us debug this: [ 133.457360] [ 133.457365] Chain exists of: [ 133.457365] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 133.457365] [ 133.457393] Possible unsafe locking scenario: [ 133.457393] [ 133.457397] CPU0 CPU1 [ 133.457401] ---- ---- [ 133.457405] lock(&ctx->lock); [ 133.457416] lock(&rq->__lock); [ 133.457428] lock(&ctx->lock); [ 133.457439] lock((console_sem).lock); [ 133.457450] [ 133.457450] *** DEADLOCK *** [ 133.457450] [ 133.457453] 2 locks held by syz-executor.7/3391: [ 133.457466] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 133.457513] #1: ffff88800d248820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 133.457563] [ 133.457563] stack backtrace: [ 133.457568] CPU: 1 PID: 3391 Comm: syz-executor.7 Not tainted 6.0.0-rc5-next-20220913 #1 [ 133.457591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 133.457605] Call Trace: [ 133.457611] [ 133.457617] dump_stack_lvl+0x8b/0xb3 [ 133.457644] check_noncircular+0x263/0x2e0 [ 133.457673] ? format_decode+0x26c/0xb50 [ 133.457700] ? print_circular_bug+0x450/0x450 [ 133.457730] ? enable_ptr_key_workfn+0x20/0x20 [ 133.457755] ? __lockdep_reset_lock+0x180/0x180 [ 133.457786] ? format_decode+0x26c/0xb50 [ 133.457813] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 133.457845] __lock_acquire+0x2a02/0x5e70 [ 133.457884] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 133.457925] lock_acquire+0x1a2/0x530 [ 133.457955] ? down_trylock+0xe/0x70 [ 133.457981] ? rcu_read_unlock+0x40/0x40 [ 133.458019] ? vprintk+0x84/0xa0 [ 133.458051] _raw_spin_lock_irqsave+0x39/0x60 [ 133.458079] ? down_trylock+0xe/0x70 [ 133.458104] down_trylock+0xe/0x70 [ 133.458127] ? vprintk+0x84/0xa0 [ 133.458158] __down_trylock_console_sem+0x3b/0xd0 [ 133.458190] vprintk_emit+0x16b/0x560 [ 133.458224] vprintk+0x84/0xa0 [ 133.458256] _printk+0xba/0xf1 [ 133.458287] ? record_print_text.cold+0x16/0x16 [ 133.458322] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 133.458348] ? lock_downgrade+0x6d0/0x6d0 [ 133.458379] ? report_bug.cold+0x66/0xab [ 133.458405] ? group_sched_out.part.0+0x2c7/0x460 [ 133.458426] report_bug.cold+0x72/0xab [ 133.458453] handle_bug+0x3c/0x70 [ 133.458478] exc_invalid_op+0x14/0x50 [ 133.458504] asm_exc_invalid_op+0x16/0x20 [ 133.458534] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 133.458559] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 133.458580] RSP: 0018:ffff888041fe7978 EFLAGS: 00010006 [ 133.458596] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 133.458610] RDX: ffff888018213580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 133.458625] RBP: ffff888041e40000 R08: 0000000000000005 R09: 0000000000000001 [ 133.458638] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d248800 [ 133.458652] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 133.458672] ? group_sched_out.part.0+0x2c7/0x460 [ 133.458697] ? group_sched_out.part.0+0x2c7/0x460 [ 133.458720] ctx_sched_out+0x8f1/0xc10 [ 133.458743] __perf_event_task_sched_out+0x6d0/0x18d0 [ 133.458771] ? lock_is_held_type+0xd7/0x130 [ 133.458804] ? __perf_cgroup_move+0x160/0x160 [ 133.458826] ? set_next_entity+0x304/0x550 [ 133.458858] ? update_curr+0x267/0x740 [ 133.458891] ? lock_is_held_type+0xd7/0x130 [ 133.458924] __schedule+0xedd/0x2470 [ 133.458948] ? io_schedule_timeout+0x150/0x150 [ 133.458972] ? lock_is_held_type+0xd7/0x130 [ 133.459003] ? __cond_resched+0x17/0x30 [ 133.459024] preempt_schedule_common+0x45/0xc0 [ 133.459047] __cond_resched+0x17/0x30 [ 133.459066] __mutex_lock+0xa3/0x14d0 [ 133.459090] ? lock_is_held_type+0xd7/0x130 [ 133.459120] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.459147] ? mutex_lock_io_nested+0x1310/0x1310 [ 133.459170] ? lock_release+0x3b2/0x750 [ 133.459202] ? __up_read+0x192/0x730 [ 133.459228] ? up_write+0x480/0x480 [ 133.459259] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.459290] ? perf_compat_ioctl+0x130/0x130 [ 133.459313] ? xfd_validate_state+0x59/0x180 [ 133.459354] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.459387] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.459423] do_syscall_64+0x3b/0x90 [ 133.459448] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.459480] RIP: 0033:0x7f23e34a9b19 [ 133.459496] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 [ 133.459516] RSP: 002b:00007f23e0a1f188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 133.459536] RAX: ffffffffffffffda RBX: 00007f23e35bcf60 RCX: 00007f23e34a9b19 [ 133.459551] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 [ 133.459564] RBP: 00007f23e3503f6d R08: 0000000000000000 R09: 0000000000000000 [ 133.459578] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 133.459592] R13: 00007fffc6ca020f R14: 00007f23e0a1f300 R15: 0000000000022000 [ 133.459615] [ 133.569720] WARNING: CPU: 1 PID: 3391 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 133.570943] Modules linked in: [ 133.571373] CPU: 1 PID: 3391 Comm: syz-executor.7 Not tainted 6.0.0-rc5-next-20220913 #1 [ 133.572453] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 133.573901] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 133.574597] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 133.576905] RSP: 0018:ffff888041fe7978 EFLAGS: 00010006 [ 133.577588] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 133.578535] RDX: ffff888018213580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 133.579485] RBP: ffff888041e40000 R08: 0000000000000005 R09: 0000000000000001 [ 133.580459] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d248800 [ 133.581413] R13: ffff88806cf3d100 R14: ffffffff8547bfc0 R15: 0000000000000002 [ 133.582364] FS: 00007f23e0a1f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 133.583451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.584241] CR2: 00007fe811e396f4 CR3: 000000000dd96000 CR4: 0000000000350ee0 [ 133.585176] Call Trace: [ 133.585535] [ 133.585851] ctx_sched_out+0x8f1/0xc10 [ 133.586393] __perf_event_task_sched_out+0x6d0/0x18d0 [ 133.587090] ? lock_is_held_type+0xd7/0x130 [ 133.587697] ? __perf_cgroup_move+0x160/0x160 [ 133.588330] ? set_next_entity+0x304/0x550 [ 133.588922] ? update_curr+0x267/0x740 [ 133.589472] ? lock_is_held_type+0xd7/0x130 [ 133.590072] __schedule+0xedd/0x2470 [ 133.590588] ? io_schedule_timeout+0x150/0x150 [ 133.591218] ? lock_is_held_type+0xd7/0x130 [ 133.591817] ? __cond_resched+0x17/0x30 [ 133.592381] preempt_schedule_common+0x45/0xc0 [ 133.593008] __cond_resched+0x17/0x30 [ 133.593532] __mutex_lock+0xa3/0x14d0 [ 133.594055] ? lock_is_held_type+0xd7/0x130 [ 133.594662] ? __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.595371] ? mutex_lock_io_nested+0x1310/0x1310 [ 133.596027] ? lock_release+0x3b2/0x750 [ 133.596599] ? __up_read+0x192/0x730 [ 133.597122] ? up_write+0x480/0x480 [ 133.597638] __do_sys_perf_event_open+0x1eec/0x32c0 [ 133.598316] ? perf_compat_ioctl+0x130/0x130 [ 133.598922] ? xfd_validate_state+0x59/0x180 [ 133.599539] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.600264] ? syscall_enter_from_user_mode+0x1d/0x50 [ 133.600976] do_syscall_64+0x3b/0x90 [ 133.601493] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 133.602196] RIP: 0033:0x7f23e34a9b19 [ 133.602705] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 [ 133.605070] RSP: 002b:00007f23e0a1f188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 133.606070] RAX: ffffffffffffffda RBX: 00007f23e35bcf60 RCX: 00007f23e34a9b19 [ 133.606995] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 [ 133.607937] RBP: 00007f23e3503f6d R08: 0000000000000000 R09: 0000000000000000 [ 133.608901] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 133.609820] R13: 00007fffc6ca020f R14: 00007f23e0a1f300 R15: 0000000000022000 [ 133.610756] [ 133.611075] irq event stamp: 3478 [ 133.611529] hardirqs last enabled at (3477): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 133.612821] hardirqs last disabled at (3478): [] __schedule+0x1225/0x2470 [ 133.613901] softirqs last enabled at (3470): [] __irq_exit_rcu+0x11b/0x180 [ 133.615005] softirqs last disabled at (3325): [] __irq_exit_rcu+0x11b/0x180 [ 133.616101] ---[ end trace 0000000000000000 ]--- [ 134.371727] audit: type=1400 audit(1663086872.746:9): avc: denied { read } for pid=3446 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 16:34:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000007ec0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000340)={0x1c, 0x1d, 0x1, 0x0, 0x0, "", [@typed={0x7, 0x0, 0x0, 0x0, @binary="d8c931"}, @nested={0x4}]}, 0x1c}], 0x1}, 0x0) 16:34:40 executing program 7: r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x208000, 0x0) fsconfig$FSCONFIG_SET_PATH(r1, 0x3, &(0x7f0000000040)='\x00', &(0x7f0000000100)='./file0\x00', 0xffffffffffffff9c) pwritev(r0, &(0x7f0000000200), 0x0, 0x0, 0x0) pwritev(r0, &(0x7f0000000140)=[{&(0x7f0000000080)="b4fb4d5b21639f1ee644511d776de845df4ade776c7b03f79b896ad1875badea46e2d1dfe58ff5e17af4104a31af6c8d6b2eda8b51da1a47c84a74eb0c5b2f8655f2a87a5f879f68045d07898284f7", 0x4f}, {&(0x7f0000000300)="b465855c78d26a71cdad18875c18dc8647cc1de2eb55604a19ba29a814ae6b80eb2f607232426c0f82546d991f22f054574d94ffa43467a569a72099400736e68284221e9c668a4cd6486b39e0bcaacd11f2bce4f3fd8e7b86f989258d4a965243ad3e5a8683c0742c0a0f228033371dded327ec405a4758780b483ca1ee777c5df73977785dae71e25c8e436c2215bfd998552de80adb73383cebe654435b34aea17491f978629c144053ccfd13123250bc0339b6f48974116d2ad8ecd070c3be6441b707a7c79f0cd0a6", 0xcb}], 0x2, 0x1, 0xe72) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000440)=0x2) r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/custom1\x00', 0x802, 0x0) ioctl$AUTOFS_IOC_READY(r3, 0x9360, 0x6) r4 = syz_open_pts(0xffffffffffffffff, 0x400080) ioctl$TIOCCBRK(r4, 0x5428) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 16:34:40 executing program 5: r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x208000, 0x0) fsconfig$FSCONFIG_SET_PATH(r1, 0x3, &(0x7f0000000040)='\x00', &(0x7f0000000100)='./file0\x00', 0xffffffffffffff9c) pwritev(r0, &(0x7f0000000200), 0x0, 0x0, 0x0) pwritev(r0, &(0x7f0000000140)=[{&(0x7f0000000080)="b4fb4d5b21639f1ee644511d776de845df4ade776c7b03f79b896ad1875badea46e2d1dfe58ff5e17af4104a31af6c8d6b2eda8b51da1a47c84a74eb0c5b2f8655f2a87a5f879f68045d07898284f7", 0x4f}, {&(0x7f0000000300)="b465855c78d26a71cdad18875c18dc8647cc1de2eb55604a19ba29a814ae6b80eb2f607232426c0f82546d991f22f054574d94ffa43467a569a72099400736e68284221e9c668a4cd6486b39e0bcaacd11f2bce4f3fd8e7b86f989258d4a965243ad3e5a8683c0742c0a0f228033371dded327ec405a4758780b483ca1ee777c5df73977785dae71e25c8e436c2215bfd998552de80adb73383cebe654435b34aea17491f978629c144053ccfd13123250bc0339b6f48974116d2ad8ecd070c3be6441b707a7c79f0cd0a6", 0xcb}], 0x2, 0x1, 0xe72) r2 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000440)=0x2) r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/custom1\x00', 0x802, 0x0) ioctl$AUTOFS_IOC_READY(r3, 0x9360, 0x6) r4 = syz_open_pts(0xffffffffffffffff, 0x400080) ioctl$TIOCCBRK(r4, 0x5428) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 16:34:40 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_GET_STATS_CPU(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x3, 0x2, 0x401}, 0x14}}, 0x0) 16:34:40 executing program 2: ioctl$CDROMREADMODE1(0xffffffffffffffff, 0x530d, &(0x7f0000000800)={0x6, 0x0, 0x20, 0x81, 0x6, 0x89}) r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x3, @perf_bp={&(0x7f0000000240), 0x4}, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000300)=0x0) clone3(&(0x7f0000000440)={0x80000800, &(0x7f0000000000), 0x0, &(0x7f0000000100)=0x0, {0x37}, &(0x7f0000000180)=""/79, 0x4f, &(0x7f0000004c80)=""/102400, &(0x7f0000000380)=[r1, 0x0, r1], 0x3}, 0x58) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000003c0), 0x4c6182, 0x0) ioctl$FAT_IOCTL_GET_VOLUME_ID(r3, 0x80047213, &(0x7f00000004c0)) r4 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, r0, &(0x7f0000000200)={0x30000004}) r5 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) epoll_pwait(r4, &(0x7f0000000500)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x8, 0x4, &(0x7f0000000340)={[0x7fffffff]}, 0x8) kcmp$KCMP_EPOLL_TFD(0x0, 0x0, 0x7, r5, &(0x7f0000000140)={r4, 0xffffffffffffffff, 0x3d}) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) ioctl$VT_RESIZEX(0xffffffffffffffff, 0x560c, 0x0) sendmsg$netlink(r6, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000005c0)=ANY=[@ANYRES16], 0x14}], 0x1, 0x0, 0x0, 0x20004000}, 0x44080) r7 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x1c5042, 0x0) write(r7, &(0x7f0000000180)='E', 0x1) kcmp$KCMP_EPOLL_TFD(0x0, r2, 0x7, 0xffffffffffffffff, &(0x7f0000000580)={r7, 0xffffffffffffffff, 0x1}) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setsig(0xffffffffffffffff, 0xa, 0x28) clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 16:34:40 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x2, 0x0) pwrite64(r1, &(0x7f00000000c0)='9', 0x1, 0x8040000) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x4042, 0x0) sendfile(r1, r2, 0x0, 0xffff) fallocate(r2, 0x3, 0x0, 0x8000000) 16:34:40 executing program 6: symlink(&(0x7f0000000000)='./file0/../file0\x00', &(0x7f00000000c0)='./file0\x00') openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0/../file0/file0\x00', &(0x7f0000000080), 0x18) 16:34:40 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000), 0x4) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f00000000c0)=0x3, 0x4) syz_emit_ethernet(0x33, &(0x7f0000000140)={@multicast, @remote, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x25, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x11, 0x0, @opaque="e3704100000000da07"}}}}}, 0x0) [ 142.347346] audit: type=1400 audit(1663086880.721:10): avc: denied { block_suspend } for pid=4003 comm="syz-executor.2" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 16:34:40 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_GET_STATS_CPU(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x3, 0x2, 0x401}, 0x14}}, 0x0) 16:34:40 executing program 6: symlink(&(0x7f0000000000)='./file0/../file0\x00', &(0x7f00000000c0)='./file0\x00') openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0/../file0/file0\x00', &(0x7f0000000080), 0x18) VM DIAGNOSIS: 16:34:32 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=1ffff110083f8eb4 RSI=ffff888041fc7a68 RDI=ffff888041fc75a8 RBP=ffff88801c162750 RSP=ffff888041fc74d8 R8 =ffffffff86226bc6 R9 =ffffffff86226bca R10=ffffed10083f8eb8 R11=ffff888041fc7598 R12=ffff888041fc7599 R13=ffff888041fc75b8 R14=ffff888041fc7558 R15=0000000000000003 RIP=ffffffff8111c84c RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f40a29698e0 CR3=0000000040802000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 00362e6f732e6362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 ffff0000000000ff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b25c1 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff888041fe73c8 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b25b0 RIP=ffffffff822b2619 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f23e0a1f700 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe811e396f4 CR3=000000000dd96000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM02=0000000000000000 0000000000000000 00524f5252450040 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM04=0000000000000000 0000000000000000 0000000000000000 00000000000000ff YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000