[ 41.260138][ T26] audit: type=1800 audit(1576171327.050:21): pid=7395 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2452 res=0 [ 41.313360][ T26] audit: type=1800 audit(1576171327.060:22): pid=7395 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2480 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 42.290202][ T7461] sshd (7461) used greatest stack depth: 10128 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. 2019/12/12 17:22:19 fuzzer started 2019/12/12 17:22:20 dialing manager at 10.128.0.105:37995 2019/12/12 17:22:21 syscalls: 2689 2019/12/12 17:22:21 code coverage: enabled 2019/12/12 17:22:21 comparison tracing: enabled 2019/12/12 17:22:21 extra coverage: extra coverage is not supported by the kernel 2019/12/12 17:22:21 setuid sandbox: enabled 2019/12/12 17:22:21 namespace sandbox: enabled 2019/12/12 17:22:21 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/12 17:22:21 fault injection: enabled 2019/12/12 17:22:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/12 17:22:21 net packet injection: enabled 2019/12/12 17:22:21 net device setup: enabled 2019/12/12 17:22:21 concurrency sanitizer: enabled 2019/12/12 17:22:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 2019/12/12 17:22:21 adding functions to KCSAN blacklist: '__hrtimer_run_queues' '__splice_from_pipe' 'tomoyo_supervisor' 17:22:23 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000080)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)=0x14) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0x3) ioctl$TCSETA(r1, 0x5412, &(0x7f0000000040)) 17:22:23 executing program 1: r0 = socket$inet6(0xa, 0x5, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x0, 0x103, 0x1}, 0x20) setsockopt$inet6_int(r0, 0x29, 0x1000000000021, &(0x7f00000005c0)=0x1, 0x4) shutdown(r0, 0x0) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x380000, @loopback}, 0x1c) syzkaller login: [ 57.745425][ T7566] IPVS: ftp: loaded support on port[0] = 21 [ 57.833155][ T7566] chnl_net:caif_netlink_parms(): no params data found [ 57.896978][ T7566] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.911148][ T7566] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.930503][ T7566] device bridge_slave_0 entered promiscuous mode [ 57.938036][ T7566] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.960467][ T7566] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.968258][ T7566] device bridge_slave_1 entered promiscuous mode [ 57.993383][ T7569] IPVS: ftp: loaded support on port[0] = 21 17:22:23 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000340)='/dev/net/tun\x00', 0x400000001, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={'nr0\x01\x00', 0x7132}) ioctl$TUNSETVNETLE(r1, 0x400454dc, &(0x7f0000000100)=0x1) r2 = socket$kcm(0x29, 0x2, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x8914, &(0x7f0000000500)='nr0\x01\x00`\xa1\x9e\xf9\xd2\xc6s\xd9\xa1W\x1c\xb9\xe16\x9b\xcda\xef~Iy:\xe1\x87\x12\xec\xeb\x1d\xaav\x94\x97\x80\v\x7f\xbb\xd3[\x17\f\x10u\x1d9\xae\xb6`\xd8c\xe4\x9b\x8cO;=\xadH\x90+[-l\xfd\n\xbd7,c\xbc\xf5\xd7\r\xf3\xfdM.\x8dD<\x88\xbc\x0eV7\xdd\x82\xfc45\xbe\xd4\xde]i<\x9ax\x1c\x86>\x05\xd8\xa6\xf8h\x9a[\xe2\x92\x16\x06\x1f?\xf5?\x8bk9fx\xe7\xba\x15^\xf9\x15-~\xcb#1\xeb\x8e\xb1\xedU\x86\xdc\xf8\xb3\xb0\xb9\x996\x1aD\xff,\"\xc2\xab\xbe\xf4-\xd2N\xab\xe6r3F\xa6\xe4l\x04\x99\xa2\x14B\xd8\xd0\r\xcbW\xf0\x13\xffu\x95\xed\xd0\xff\ai0\xde6u\xd3A\x17\xa4N\xb0\xe4\xf82\x93m\xa4NW\xe4:>6\xbdH\xd2\xa8[\xf4\xfdJ\x80N\x83\xf2\xf3\xcf7\x8aCZ\xf5\xe2\x87\xd4\xe2s7\xb4\xad\xa1\x1b&!\x982\xeck+8Dk;\x95\xfe7q\xe9\xf4,\xa3\x0f\xb2\x1e\x12\xf0\xa3\xd8\xbc-\x85EJ\xf9\xfc\xc0#-\x8f\xd9\tD\x8b\x01\xf4lY=1\xea\x1c\x92de\xe3ZA\x99\a\x9c<\xa4\x11(\xb1|\xb0\x1f\xbf[R+\xe0\xfd\x02\x02*\xda7\xfe\xcc\x14\xb6\xc8\xc8\x83\x18\x83\xb8Z\x11\x06\xf2\xf8g\x02\rR\x9f\x17\xa3P\xf2\r\xd3\xbfQ\xa9\x8c\xfd\xa7\f.68+0\x99\x14k^nBx\xb0|L\x11\x03\x94\xc0\t=\x17\x95P\x89\xf2\xca\x97\xbb\xe0u\x12L\x9b\x85\x96\xe0\b\xbf\n\x02\x8bS\x9c\xecyl\xec\x9b\xf5\x85\xeb\x80\xfe>\r&') r3 = open(&(0x7f0000000000)='./bus\x00', 0x143042, 0x0) ftruncate(r3, 0x200004) sendfile(r0, r3, 0x0, 0x80001d00c0d0) [ 58.016803][ T7566] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.038676][ T7566] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.078435][ T7566] team0: Port device team_slave_0 added [ 58.091552][ T7566] team0: Port device team_slave_1 added [ 58.192844][ T7566] device hsr_slave_0 entered promiscuous mode [ 58.230731][ T7566] device hsr_slave_1 entered promiscuous mode 17:22:24 executing program 3: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'eql\x00\x00\x04\x00\x00\x00\x03\x00\x00\x00\xf2\a\x00', 0x10005812}) io_setup(0x2, &(0x7f0000000240)=0x0) io_submit(r2, 0x1, &(0x7f00000018c0)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f0000000380)="18", 0x1}]) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) io_destroy(r2) dup3(r0, r1, 0x0) ioctl$sock_ifreq(r0, 0x8914, &(0x7f0000000200)={'eql\x00`\x00\xa9[,\x00\x14\x01\x03\x03\xf0\x00', @ifru_mtu=0x1}) [ 58.349262][ T7569] chnl_net:caif_netlink_parms(): no params data found [ 58.368108][ T7572] IPVS: ftp: loaded support on port[0] = 21 [ 58.435975][ T7566] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.443137][ T7566] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.450597][ T7566] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.457691][ T7566] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.517610][ T7579] ================================================================== [ 58.525759][ T7579] BUG: KCSAN: data-race in vm_area_dup / vma_interval_tree_augment_rotate [ 58.534247][ T7579] [ 58.536604][ T7579] read to 0xffff888122bd4bb8 of 200 bytes by task 7583 on cpu 1: [ 58.544347][ T7579] vm_area_dup+0x70/0xf0 [ 58.548592][ T7579] dup_mm+0x330/0xba0 [ 58.552575][ T7579] copy_process+0x36f3/0x3b50 [ 58.557253][ T7579] _do_fork+0xfe/0x6e0 [ 58.561932][ T7579] __x64_sys_clone+0x12b/0x160 [ 58.566510][ T7569] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.566783][ T7579] do_syscall_64+0xcc/0x370 [ 58.578324][ T7579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.581453][ T7569] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.584219][ T7579] [ 58.593556][ T7579] write to 0xffff888122bd4c28 of 8 bytes by task 7579 on cpu 0: [ 58.601200][ T7579] vma_interval_tree_augment_rotate+0x3f/0x100 [ 58.602474][ T7569] device bridge_slave_0 entered promiscuous mode [ 58.607470][ T7579] __rb_insert_augmented+0x115/0x370 [ 58.619071][ T7579] vma_interval_tree_insert+0x196/0x230 [ 58.624630][ T7579] __vma_adjust+0x683/0x12a0 [ 58.629219][ T7579] __split_vma+0x208/0x350 [ 58.633824][ T7579] split_vma+0x73/0xa0 [ 58.637894][ T7579] mprotect_fixup+0x43f/0x510 [ 58.642576][ T7579] do_mprotect_pkey+0x3eb/0x660 [ 58.647438][ T7579] __x64_sys_mprotect+0x51/0x70 [ 58.651406][ T7569] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.652297][ T7579] do_syscall_64+0xcc/0x370 [ 58.659392][ T7569] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.663872][ T7579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.663876][ T7579] [ 58.663880][ T7579] Reported by Kernel Concurrency Sanitizer on: [ 58.663897][ T7579] CPU: 0 PID: 7579 Comm: net.agent Not tainted 5.4.0-syzkaller #0 [ 58.663905][ T7579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.663911][ T7579] ================================================================== [ 58.664029][ T7579] Kernel panic - not syncing: panic_on_warn set ... [ 58.677750][ T7569] device bridge_slave_1 entered promiscuous mode [ 58.679262][ T7579] CPU: 0 PID: 7579 Comm: net.agent Not tainted 5.4.0-syzkaller #0 [ 58.731916][ T7579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.741955][ T7579] Call Trace: [ 58.745246][ T7579] dump_stack+0x11d/0x181 [ 58.749570][ T7579] panic+0x210/0x640 [ 58.753460][ T7579] ? vprintk_func+0x8d/0x140 [ 58.758071][ T7579] kcsan_report.cold+0xc/0xd [ 58.762673][ T7579] kcsan_setup_watchpoint+0x3fe/0x460 [ 58.768042][ T7579] __tsan_unaligned_write8+0xc4/0x100 [ 58.773406][ T7579] vma_interval_tree_augment_rotate+0x3f/0x100 [ 58.779552][ T7579] __rb_insert_augmented+0x115/0x370 [ 58.784828][ T7579] ? __write_once_size.constprop.0+0x12/0x20 [ 58.790806][ T7579] ? __anon_vma_interval_tree_subtree_search+0x160/0x160 [ 58.797837][ T7579] vma_interval_tree_insert+0x196/0x230 [ 58.803387][ T7579] __vma_adjust+0x683/0x12a0 [ 58.807975][ T7579] __split_vma+0x208/0x350 [ 58.812383][ T7579] split_vma+0x73/0xa0 [ 58.816442][ T7579] mprotect_fixup+0x43f/0x510 [ 58.821122][ T7579] do_mprotect_pkey+0x3eb/0x660 [ 58.825968][ T7579] __x64_sys_mprotect+0x51/0x70 [ 58.830818][ T7579] do_syscall_64+0xcc/0x370 [ 58.836004][ T7579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.841912][ T7579] RIP: 0033:0x7fdf8c225447 [ 58.846329][ T7579] Code: 73 01 c3 48 8d 0d 5d ad 20 00 31 d2 48 29 c2 89 11 48 83 c8 ff eb eb 90 90 90 90 90 90 90 90 90 90 90 90 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 2d ad 20 00 31 d2 48 29 c2 89 [ 58.866897][ T7579] RSP: 002b:00007ffc07508d88 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 58.875324][ T7579] RAX: ffffffffffffffda RBX: 00007fdf8c42f9d8 RCX: 00007fdf8c225447 [ 58.883285][ T7579] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007fdf8c42e000 [ 58.891245][ T7579] RBP: 00007ffc07508e80 R08: 0000000000000001 R09: 0000000000000007 [ 58.899296][ T7579] R10: 00007fdf8c21fa0b R11: 0000000000000206 R12: 00007fdf8c20f000 [ 58.907270][ T7579] R13: 00007fdf8c20fa78 R14: 00007fdf8c21fa0b R15: 00007fdf8c42f028 [ 58.916971][ T7579] Kernel Offset: disabled [ 58.921302][ T7579] Rebooting in 86400 seconds..