T8377] Local variMay 18 04:06:08 May 18 04:06:08 syzkaller user.err kernel: [ 2771.739836][ T8377] do_recvmmsg+0xbb/0x2120 May 18 04:06:08 syzkaller user.warn kernel: [ 2771.748235][ T8309] May 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 May 18 04:06:08 syzkaller user.err kernel: [ 2772.131488][ T8309May 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 syzkaller user.warn kernel: [ 27May 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 syzkaller user.err kernel: [ 2772.132172][ T8309] May 18 04:06:08 syzkaller user.err kernel: [ 2772.132179][ T8309] Uninit was stored to memory at: May 18 04:06:08 syzkaller user.warn kerneMay 18 04:06:08 syzkaller user.wMay 18 04:06:08 syzkaller user.warn kernel: [ 2772.132343][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.132397][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.132452][ T8309]May 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 syzkaller user.warn kernel: [ 2772.143593][ T8309] do_fast_syscall_32+0x34/0x70May 18 04:06:08 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.153339][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:08 syzkaller user.warMay 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 May 18 04:06:08 syzkaller user.err kernel: [ 2772.174673][ T8309] May 18 04:06:08 syzkaller user.warn kernel: May 18 04:06:08 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.188549][ T8377] kmsan_internal_chain_origin+May 18 04:06:08 syzkaller user.wMay 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 syzkaller user.warn kernel: [ 2772.210752][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.213144][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.218333][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 04:06:08 executing program 4: r0 = socket$inet(0x2, 0x5, 0x0) setsockopt$inet_int(r0, 0x0, 0xf, &(0x7f0000000080)=0x69, 0x4) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @broadcast}, 0x10) 04:06:08 executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) May 18 04:06:08 May 18 04:06:08 syzkaller user.wMay 18 04:06:08 syzkaller user.wMay 18 04:06:08 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.243156][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.248675][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0May 18 04:06:08 sMay 18 04:06:08 syzkaller user.warn kernel: [ 2772.255998][ T8377] ? should_fail+0x75/0x9c0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.256046][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.256116][ T8377] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.261187][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.266109][ T8377] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.266182][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.274617][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:08 syzkaller user.warn kernel: [ 2772.279005][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 04:06:09 executing program 3: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000), 0x8101, 0x0) write$9p(r0, &(0x7f0000000000)="0aa0", 0x2) May 18 04:06:08 syzkaller user.err kernel: [ 2772.289150][ T8309] May 18 04:06:08 syzkaller user.warn kernel: [ 2772.292325][ T8377] __msan_chain_origin+0xbf/0x140 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.292394][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:08 syzkaller user.err kernel: [ 2772.295321][ T8309] Uninit was stored to memory at: May 18 04:06:08 syzkaller user.warn kernel: [ 2772.295393][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.300002][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.304743][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.308787][ T8377] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.315189][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.320798][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.325899][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.330901][ T8377] ? xfd_validate_state+0xd1/0x2d0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.335820][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.340841][ T8377] ? 0xffffffff81000000 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.346022][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.350505][ T8377] ? __stack_depot_save+0x21/0x4d0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.356378][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.361409][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.367874][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.372843][ T8377] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.372922][ T8377] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.378726][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:08 syzkaller user.warn kernel: [ 2772.381046][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:08 syzkaller user.err kernel: [ 2772.386172][ T8309] May 18 04:06:08 syzkaller user.warn kernel: [ 2772.390549][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:08 syzkaller user.err kernel: [ 2772.395734][ T8309] Local variable msg_sys created at: May 18 04:06:08 syzkaller user.warn kernel: [ 2772.400734][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:08 syzkaller user.err kernel: [ 2772.405745][ T8309] do_recvmmsg+0xbb/0x2120 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.411869][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.411936][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:08 syzkaller user.err kernel: [ 2772.417992][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.422501][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:08 syzkaller user.warn kernel: [ 2772.422574][ T8377] RIP: 0023:0xf6e78549 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.422607][ T8377] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 May 18 04:06:08 syzkaller user.warn kernel: [ 2772.713725][ T8309] not chained 1450000 origins May 18 04:06:08 syzkaller user.warn kernel: [ 2772.715965][ T8377] RSP: 002b:00000000f58515cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469254][ T8377] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469288][ T8377] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469316][ T8377] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469342][ T8377] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469368][ T8377] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469408][ T8377] May 18 04:06:08 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.conf: Bad message May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469424][ T8309] CPU: 0 PID: 8309 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469471][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:06:08 syzkaller user.warn kernel: [ 2773.469496][ T8309] Call Trace: May 18 04:06:09 syzkaller user.warn kernel: [ 2773.469512][ T8309] May 18 04:06:09 syzkaller user.warn kernel: [ 2773.469526][ T8309] dump_stack_lvl+0x1ff/0x28e May 18 04:06:09 syzkaller user.warn kernel: [ 2773.469602][ T8309] dump_stack+0x25/0x28 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.469659][ T8309] kmsan_internal_chain_origin+0x78/0x120 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.469726][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:09 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:09 syzkaller user.warn kernel: [ 2773.469791][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.469857][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:09 sy[ 2810.315810][ T24] kauditd_printk_skb: 10 callbacks suppressed zkaller user.warn kernel: [ 2773[ 2810.315906][ T24] audit: type=1326 audit(2000001969.530:755): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 .469919][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 1[ 2810.348986][ T24] audit: type=1326 audit(2000001969.530:756): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 8 04:06:09 syzkaller user.warn kernel: [ 2773.469987][ T8309] ? preempt_count_sub+0xf8/0x330 May 18 04:06:09 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470040][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470101][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470171][ T8309] ? should_fail+0x75/0x9c0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470216][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470279][ T8309] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470349][ T8309] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470420][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470484][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470553][ T8309] __msan_chain_origin+0xbf/0x140 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470619][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470691][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470746][ T8309] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470811][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470889][ T8309] ? 0xffffffff81000000 May 18 04:06:09 syzkaller daemon.info dhcpcd[3049]: eth10: waiting for carrier May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470929][ T8309] ? __stack_depot_save+0x21/0x4d0 May 18 04:06:09 syzkaller daemon.info dhcpcd[3049]: eth9: soliciting an IPv6 router May 18 04:06:09 syzkaller user.warn kernel: [ 2773.470999][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:09 syzkaller daemon.info dhcpcd[3049]: eth10: carrier acquired May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471061][ T8309] ? kmsan_internal_set_shadow_orig[ 2810.378459][ T8427] nvme_fabrics: unknown parameter or missing value ' ' in ctrl creation request in+0x5e/0xc0 May 18 04:06:09 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.conf: Bad message May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471132][ T8309] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471194][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471267][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471337][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471404][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471466][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:09 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471526][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:09 sy[ 2810.501599][ T24] audit: type=1326 audit(2000001969.570:757): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=65 compat=1 ip=0xf6f37549 code=0x7ffc0000 zkaller daemon.info dhcpcd[3049]: eth10: IAID 03:87:80:a3 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471595][ T8309] RIP: 0023:0xf6eb3549 May 18 04:06:09 syzkaller daemon.info dhcpcd[3049]: eth10: adding address fe80::825d:2123:4295:1774 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471628][ T8309] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2810.502233][ T24] audit: type=1326 audit(2000001969.570:758): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2810.502417][ T24] audit: type=1326 audit(2000001969.610:759): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=332 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2810.502595][ T24] audit: type=1326 audit(2000001969.620:760): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2810.502776][ T24] audit: type=1326 audit(2000001969.620:761): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2810.502949][ T24] audit: type=1326 audit(2000001969.620:762): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=55 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2810.503124][ T24] audit: type=1326 audit(2000001969.620:763): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 May 18 04:06:09 syzkaller user.w[ 2810.503295][ T24] audit: type=1326 audit(2000001969.620:764): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8422 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 arn kernel: [ 27[ 2810.842245][ T8393] bridge0: port 1(bridge_slave_0) entered blocking state 73.471674][ T830[ 2810.842563][ T8393] bridge0: port 1(bridge_slave_0) entered disabled state 9] RSP: 002b:000[ 2810.845475][ T8393] device bridge_slave_0 entered promiscuous mode 00000f588c5cc EF[ 2810.889548][ T8393] bridge0: port 2(bridge_slave_1) entered blocking state LAGS: 00000296 O[ 2810.889872][ T8393] bridge0: port 2(bridge_slave_1) entered disabled state RIG_RAX: 0000000[ 2810.893133][ T8393] device bridge_slave_1 entered promiscuous mode 000000151 [ 2810.990165][ T8393] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 2811.000815][ T8393] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471718][ T8309] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471753][ T8309] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471782][ T8309] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471811][ T8309] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471839][ T8309] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.471881][ T8309] May 18 04:06:09 syzkaller user.err kernel: [ 2773.472030][ T8309] Uninit was stored to memory at: May 18 04:06:09 syzkaller user.warn kernel: [ 2773.472099][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.472149][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.472196][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.472253][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:09 syzkaller user.warn kernel: [ 2773.472309][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:09 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.conf: Bad message May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472366][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472428][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472488][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472613][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller user.err kernel: [ 2773.472683][ T8309] May 18 04:06:10 syzkaller user.err kernel: [ 2773.472691][ T8309] Uninit was stored to memory at: May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472762][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472812][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472860][ T8309] do_recvmmsg+0xd7[ 2811.354180][ T8393] team0: Port device team_slave_0 added 7/0x2120 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472918][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.472984][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473040][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller user.[ 2811.390212][ T8393] team0: Port device team_slave_1 added warn kernel: [ 2773.473099][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473157][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473217][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller user.err kernel: [ 2773.473284][ T8309] May 18 04:06:10 syzkaller user.err kernel: [ 2773.473291][ T8309] Uninit was stored to memory at: May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473358][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473406][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473452][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:10 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473506][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473561][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473617][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473681][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473742][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473799][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller user.err kernel: [ 2773.473864][ T8309] May 18 04:06:10 syzkaller user.err kernel: [ 2773.473871][ T8309] Uninit was stored to memory at: May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473937][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.473991][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474037][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474092][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474150][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller daemon.err dhcpcd[3049]: [ 2811.583010][ T8393] batman_adv: batadv0: Adding interface: batadv_slave_0 script_runreason[ 2811.590916][ T8393] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. : Bad message M[ 2811.618264][ T8393] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active ay 18 04:06:10 syzkaller user.warn kernel: [ 2773.474205][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474265][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474324][[ 2811.651918][ T8393] batman_adv: batadv0: Adding interface: batadv_slave_1 T8309] do_SYSENTER_32+0x1b/0x2[ 2811.660780][ T8393] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 0 May 18 04:06:[ 2811.689254][ T8393] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active 10 syzkaller user.warn kernel: [ 2773.474382][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller user.err kernel: [ 2773.474447][ T8309] May 18 04:06:10 syzkaller user.err kernel: [ 2773.474454][ T8309] Uninit was stored to memory at: May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474522][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474569][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474615][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474669][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474724][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474779][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474838][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474896][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.474952][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller user.err kernel: [ 2773.475022][ T8309] May 18 04:06:10 syzkaller user.err kernel: [ 2773.475029][ T8309] Uninit was stored to memory at: May 18 04:06:10 syzkaller user.err kernel: [ 2773.475060][ T8377] Uninit was stored to memory at: May 18 04:06:10 syzkaller daemon.info dhcpcd[3049]: eth11: waiting for carrier May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475096][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475128][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475142][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475175][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475188][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475221][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475242][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475275][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475297][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475330][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475353][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475385][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller daemon.info dhcpcd[3049]: eth10: soliciting an IPv6 router May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475413][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475May 18 04:06:10 May 18 04:06:10 syzkaller daemonMay 18 04:06:10 May 18 04:06:10 May 18 04:06:10 syzkaller user.wMay 18 04:06:10 syzkaller user.err kernel: [ 2773.475595][ T8309] May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475567][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller daemon.info dhcpcd[3049]: eth11: carrier acquirMay 18 04:06:10 syzkaller user.err kernel: [ 277May 18 04:06:10 syzkaller user.err kernel: [ 277May 18 04:06:10 syzkaller user.err kernel: [ 2773.475640][ T8377] Uninit was stored to memory at: May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475670][ TMay 18 04:06:10 May 18 04:06:10 syzkaller user.wMay 18 04:06:10 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475762][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475798][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475816][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475851][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475871][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475906][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475928][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.conf: Bad message May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475962][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.475992][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.476022][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.476051][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.476079][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.476106][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:10 syzkaller user.warn kernel: [ 2773.476134][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:10 syzkaller daemon.info dhcpcd[3049]: eth11: IAID 38:24:ec:84 May 18 04:06:10 syzkaller user.err kernel: [ 2773.476170][ T8309] May 18 04:06:10 syzkaller daemon.info dhcpcd[3049]: eth11: adding address fe80::afad:49e3:f680:5cb3 May 18 04:06:10 syzkaller user.err kernel: [ 2773.476179][ T8309] Local variable msg_sys created at: May 18 04:06:10 syzkaller user.err kernel: [ 2773.4May 18 04:06:10 syzkaller user.err kernel: [ 2773.476205][ T8377] Uninit was stored to memory atMay 18 04:06:10 syzkaller user.eMay 18 04:06:10 May 18 04:06:10 syzkaller user.warn kernel: [ 2773.476271][ T8377] __get_compatMay 18 04:06:11 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.476364][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.476418][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.476480][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.476538][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.476601][May 18 04:06:11 syzkaller user.wMay 18 04:06:11 May 18 04:06:11 syzkaller user.err kernel: [ 277May 18 04:06:11 syzkaller user.err kernel: [ 2773.476805][ T8377] Uninit was stored to memory at: May 18 04:06:11 syzkaller user.warn kernel: [ 2773.476871][ T8377] __get_compat_msghdr+0x6e1May 18 04:06:11 syzkaller user.warn kernel: [ 2773.476919][ T837May 18 04:06:11 May 18 04:06:11 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477076][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477133][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:11 syzkallerMay 18 04:06:11 syzkaller user.wMay 18 04:06:11 syzkaller user.wMay 18 04:06:11 syzkaller user.err kernel: [ 277May 18 04:06:11 syzkaller user.err kernel: [ 2773.477387][ T8377] Uninit was stoMay 18 04:06:11 syzkaller user.warn kernel: [ 2773.477455][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477509][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477556][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477611][ T8377] __sys_recvmmsg+0x51c/0May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477668][ T8377] __ia32_compat_sys_recvmmsg_tMay 18 04:06:11 syzkaller user.warn kernel: [ 2773.477725][ T837May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477786][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.477847][ T8May 18 04:06:11 May 18 04:06:11 syzkaller user.err kernel: [ 2773.477973][ T8377May 18 04:06:11 syzkaller user.eMay 18 04:06:11 syzkaller user.warn kernel: [ 2773.478048][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.478097][ T8377] get_compat_msghdr+0x108May 18 04:06:11 May 18 04:06:11 syzkaller user.wMay 18 04:06:11 May 18 04:06:11 syzkaller user.warn kernel: [ 27May 18 04:06:11 syzkaller user.wMay 18 04:06:11 May 18 04:06:11 May 18 04:06:11 syzkaller user.wMay 18 04:06:11 syzkaller user.err kernel: [ 2773.478576][ T8377May 18 04:06:11 May 18 04:06:11 syzkaller user.wa[ 2812.438716][ T2839] EXT4-fs error: 542 callbacks suppressed rn kernel: [ 277[ 2812.438781][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid 3.478653][ T8377[ 2812.442804][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2812.464878][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid ] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.478702][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.478748][ T8377] do_rMay 18 04:06:11 s[ 2812.498800][ T8393] device hsr_slave_0 entered promiscuous mode yzkaller user.wMay 18 04:06:11 May 18 04:06:11 syzkaller user.wM[ 2812.510556][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:11 syzkaller user.warn kernel: [ 2773.478981][ T8377[ 2812.526484][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid ] do_fast_sysca[ 2812.535527][ T8393] device hsr_slave_1 entered promiscuous mode ll_32+0x34/0x70 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.479039][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:11 syzkaller user.warn kernel: [ 2773.479096][ T8377] entry_SYSENTMay 18 04:06:11 s[ 2812.563371][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid yzkaller user.eMay 18 04:06:11 M[ 2812.576734][ T3049] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm dhcpcd: iget: checksum invalid ay 18 04:06:11 syzkaller user.eM[ 2812.590366][ T8393] debugfs: Directory 'hsr0' with parent 'hsr' already present! ay 18 04:06:11 s[ 2812.598776][ T8393] Cannot create hsr debugfs directory yzkaller user.err kernel: [ 277May 18 04:06:11 syzkaller user.warn kernel: [ 2773.741127][ T8309] not chained 1460000 origins May 18 04:06:11 syzkaller user.crit kernel: [ 2773.784970][ T2821] EXT4-fs error (device sda1): e[ 2812.623704][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid xt4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid May 18 04:06:11 syzkaller user.warn kernel: [ 2773.788141][ T8309] CPU: 1 PID: 8309 Comm: syz-executor.1 NoMay 18 04:06:11 syzkaller user.warn kernel: [ 277[ 2812.654322][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 4.110752][ T8377] not chained 1470000 origins May 18 04:06:11 syzkaller user.warn kernel: [ 2774.113397][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.113425][ T8309] Call Trace: May 18 04:06:11 syzkaller user.warn kernel: [ 2774.113440][ T8309] May 18 04:06:11 syzkaller user.warn kernel: [ 2774.1134[ 2812.701259][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 61][ T8309] dump_stack_lvl+0x1ff/0x28e May 18 04:06:11 syzkaller user.warn kernel: [ 2774.113537][ T8309] dump_stack+0x25/0x28 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.113595][ T8309] kmsan_internal_chain_origin+0x78/0x120 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749104][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749178][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749237][ T8309] ? May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749303][ T8309] ? preempt_count_sub+0xf8/0x330 May 18 04:06:11 syzkaller user.warn kernel: May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749405][ T8309] ? kmsan_get_shadow_origin_ptMay 18 04:06:11 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749542][ T8309] ? kmsan_get_metadata+0x33/0xMay 18 04:06:11 syzkaller user.warn kernel: [ 2774.749600][ T830May 18 04:06:11 syzkaller user.warn kernel: [ 27May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749728][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749786][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749849][ T8309] __msan_chain_origin+0xbf/0x140 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.749908][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750051][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750116][ T8309] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750176][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750250][ T8309] ? 0xffffffff81000000 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750287][ T8309] ? __stack_depot_save+0x21/0x4d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750347][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750408][ T8309] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750475][ T8309] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750537][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750605][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750670][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750735][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750795][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750852][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750917][ T8309] RIP: 0023:0xf6eb3549 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.750947][ T8309] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 May 18 04:06:11 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751000][ T8309] RSP: 002b:00000000f588c5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 May 18 04:06:11 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751043][ T8309] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751073][ T8309] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751101][ T8309] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 May 18 04:06:11 syzkaller daemon.info dhcpcd[3049]: eth12: waiting for carrier May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751127][ T8309] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751153][ T8309] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:11 syzkaller daemon.err dhcpcd[3049]: eth10: /var/db/dhcpcd/eth10.lease: Bad message May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751191][ T8309] May 18 04:06:11 syzkaller daemon.info dhcpcd[3049]: eth10: soliciting a DHCP lease May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751208][ T8377] CPU: 0 PID: 8377 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 May 18 04:06:11 syzkaller daemon.info dhcpcd[3049]: eth11: soMay 18 04:06:11 syzkaller user.warn kernel: [ 2774.751261][ T8377] Hardware name: Google Google Compute Engine/GMay 18 04:06:11 syzkaller daemon.info dhcpcd[3049]: eth12: carrier acquired May 18 04:06:11 syzkaller user.warn kernel: [ 2774.May 18 04:06:11 syzkaller user.warn kernel: [ 2774.751302][ T8377] May 18 04:06:11 syzkaller user.warn May 18 04:06:11 May 18 04:06:11 syzkaller user.wMay 18 04:06:11 syzkaller user.wMay 18 04:06:11 syzkaller user.err kernel: [ 2774.751557][ T8309] Uninit was stoMay 18 04:06:11 May 18 04:06:11 syzkaller user.wMay 18 04:06:11 May 18 04:06:11 syzkaller user.wMay 18 04:06:11 May 18 04:06:11 syzkaller user.warn kernel: [ 27May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.751836][ T837May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller daemon.err dhcpcd[3049May 18 04:06:12 May 18 04:06:12 syzkaller daemonMay 18 04:06:12 May 18 04:06:12 syzkaller daemon.info dhcpcd[304May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752156][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:12 syzkaller user.err kernel: [ 2774.752221][ T8309] May 18 04:06:12 syzkaller user.err kernel: [ 2774.752229][ T8309] Uninit was stored to memory at: May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752212][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752279][ T8377] __msan_chain_origin+0xbf/0x140 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752296][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752344][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752347][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752391][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752417][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752446][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752472][ T8377] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752502][ T8309] _May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.752558][ T8309] __do_fast_syMay 18 04:06:12 syzkaller user.warn kernel: [ 27May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752677][ T830May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752708][ T8377] ? __stack_depot_save+0x21/0x4d0 May 18 04:06:12 syzkaller user.warn kernel:May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752769][ T8377] ? kmsan_get_metadata+0x33/0xMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.752834][ T8377] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.752911][ T8377] ? __ia32_compat_sys_recvmmsg_time32+0x16e/May 18 04:06:12 syzkaller user.err kernel: [ 2774.752954][ T8309May 18 04:06:12 syzkaller daemonMay 18 04:06:12 syzkaller user.err kernel: [ 277May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.753081][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:12 syzkaller user.warn kernel: [May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 27May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.753293][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753305][ T8377] entry_SYSENTER_compat_afMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.753412][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753447][ T8377]May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.err kernel: [ 277May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753529][ T8377] RDX: 00000000ffffff67 RSI: 00May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 27May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753614][ T8377] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753612][ T8309] __get_May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.753708][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753763][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:12 syzkaller user.err kernel: [ 2774.753787][ T8377] Uninit was stored to memory at: May 18 04:06:12 syzkaller user.warn kernel: [ 2May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753854][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:12 syzkaller uMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.753901][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753936][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.753947][ T8377] do_recvmmsg+0xd77/0x212May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754056][ T8309] entry_SYSENTER_compat_after_May 18 04:06:12 May 18 04:06:12 syzkaller user.err kernel: [ 277May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754171][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754235][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:12 syzkaller daemonMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754387][ T8309] get_compat_msghdr+0x108/0x2cMay 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754433][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:12 syzkaller user.warMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.754487][ T830May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754532][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:12 syzkaller daemon.err dhcpcd[3049]:May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.754596][ T8309] __do_fast_syMay 18 04:06:12 syzkaller daemonMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.754641][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:12 syzkaller daemon.info dhcpcd[May 18 04:06:12 May 18 04:06:12 syzkaller daemon.info dhcpcd[304May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754695][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754714][ May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.754811][ T837May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 s[ 2813.749083][ T8321] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 yzkaller user.wMay 18 04:06:12 syzkaller user.eMay 18 04:06:12 syzkaller user.eM[ 2813.763428][ T8321] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 ay 18 04:06:12 syzkaller user.warn kernel: [ 27May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 s[ 2813.779860][ T8321] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 yzkaller user.wMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller daemonMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller daemonM[ 2813.819526][T17589] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 ay 18 04:06:12 syzkaller user.warn kernel: [ 2774.755386][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:12 syM[ 2813.836611][T17589] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 ay 18 04:06:12 syzkaller user.err kernel: [ 2774.755419][ T8309] Uninit was stoMay 18 04:06:12 May 18 04:06:12 M[ 2813.852410][T17589] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 ay 18 04:06:12 syzkaller user.err kernel: [ 2774.755512][ T8377May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 27May 18 04:06:12 syzkaller user.warn kernel: [ 2774.755925][ T837May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.756071][ T830May 18 04:06:12 May 18 04:06:12 syzkaller user.eMay 18 04:06:12 May 18 04:06:12 syzkaller user.err kernel: [ 277May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 27May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller daemonMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.err kernel: [ 2774.756697][ T8377] Uninit was stoMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.756811][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.756857][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.756911][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.756967][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1May 18 04:06:12 syzkaller user.warn kernel: [ 2774.757032][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.757091][ May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.eMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.757670][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:12 syzkaller userMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.955979][ T8377] not chained 1480000 origins May 18 04:06:12 syzkaller user.warn kernel: [ 2774.956003][ T837May 18 04:06:12 syzkaller user.warn kernel: [ 2774.956052][ T837May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 syzkaller user.warn kernel: [ 2774.956110][ T8377] dump_stack_lMay 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.994524][ T8377] ? preempt_count_sub+0xf8/0x330 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.994580][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.994644][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.994714][ T8377] ? should_fail+0x75/0x9c0 May 18 04:06:12 syzkaller usMay 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.994959][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.995028][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:12 syzkaller user.warn kernel: [ May 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.995774][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.995848][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:12 syzkaller user.warn kernel: [ 2774.995916][ TMay 18 04:06:12 May 18 04:06:12 syzkaller user.wMay 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2775.337942][ T8309] not chained 1490000 origins May 18 04:06:13 syzkaller user.warn kernel: [ 2775.339470][ T837May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.376514][ T8377] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.376555][ T8377] May 18 04:06:13 syzkaller user.warn kernel: [ 2776.376572][ T8309] CPU: 0 PID: 8309 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.376620][ T8309] May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.376890][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.376957][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377026][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:13 syzkallerMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.377147][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377211][ T8309] ? kmsanMay 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377330][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377394][May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377461][ T8309] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377530][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377591][ T8309] ? kmsan_get_shadow_origMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.377658][ T830May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.377853][ T8309] ? __sys_recvmmsg+0x51c/0x6f0May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378046][ T8309] ? __stack_depot_save+0x21/0x4d0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378107][May 18 04:06:13 syzkaller user.wMay 18 04:06:13 May 18 04:06:13 syzkaller user.wMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.378383][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378454][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378520][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378583][ T8309] do_May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378643][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378711][ T8309] RIP: 0023:0xf6eb3549 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378742][ T8309] Code: 03 74 c0 01 10 05 03 74 b8 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.378894][ T830May 18 04:06:13 syzkaller user.wMay 18 04:06:13 May 18 04:06:13 syzkaller user.err kernel: [ 2776.379009][ T8309] Uninit was stoMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.379077][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:13 syzkaller uMay 18 04:06:13 syzkaller user.wMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.379225][ T830M[ 2814.483838][ T8393] 8021q: adding VLAN 0 to HW filter on device bond0 ay 18 04:06:13 syzkaller user.warn kernel: [ 2776.379283][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:13 syzkaller user.warn kernel: [May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.379456][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:13 syzkaller user.warn kernel: [ 2776May 18 04:06:13 syzkaller user.err kernel: [ 2776.379577][ T8309] May 18 04:06:13 syzkaller user.err kernel: [ 2776.379584][ T8309] Uninit was stored to memory at: May 18 04:06:13 syzkaller user.warn kernel: [ 2776.379653][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.379704][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.379754][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.May 18 04:06:13 May 18 04:06:13 syzkaller user.wMay 18 04:06:13 syzkaller user.warn kernel: [ 27May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.379968][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.379977][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380014][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380041][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:13 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380067][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380097][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380121][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:13 syzkaller user.err kernel: [ 2776.380160][ T8309] May 18 04:06:13 syzkaller user.err kernel: [ 2776.380168][ T8309] Uninit was stored to memory at: May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380177][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380233][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:13 syzkaller daemon.err dhMay 18 04:06:13 syzkaller daemon.info dhcpcd[3049]: lapb15: waitMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.380235][ T8377] do_fast_syscall_32+0x34/0x70May 18 04:06:13 syzkaller daemon.info dhcpcd[3049]: lapb15: carrier acquired May 18 04:06:13 syz[ 2814.700224][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready kaller daemon.err dhcpcd[3049]: read_config: /eM[ 2814.711002][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready ay 18 04:06:13 syzkaller user.warn kernel: [ 2776.380280][ T8309] get_compat_msghdr+0x108/0x2cMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.380293][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380326][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.3M[ 2814.747821][ T8393] 8021q: adding VLAN 0 to HW filter on device team0 ay 18 04:06:13 syzkaller user.wMay 18 04:06:13 May 18 04:06:13 syzkaller user.eMay 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380489][ T830May 18 04:06:13 May 18 04:06:13 syzkaller daemon.info dhcpcd[3049]: lapb15: IAID 00:00:00:75 May 18 04:06:13 syzkaller daemon.info dhcpcd[3049]: lapb15: adding address fe80::a2c8:e39b:7a42:994b May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380537][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380547][ T8309] do_fast_syscall_32+0x34/0x70 May 18 0[ 2814.805172][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready 4:06:13 syzkaller user.warn kernel: [ 2776.380582][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:13 syzkaller [ 2814.816427][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready user.warn kernel: [ 2776.380606][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380635][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380662][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:13 syzkaller daemon.err dhcpcd[3049]: ipv6_a[ 2814.817957][T13404] bridge0: port 1(bridge_slave_0) entered blocking state [ 2814.818226][T13404] bridge0: port 1(bridge_slave_0) entered forwarding state ddaddr1: Invalid[ 2814.863477][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready argument May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380688][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:13 syzkaller daemon.err dhcpcd[3049]: lapb14: /var/db/dhcpcd/lapb14.lease: Bad message May 18 04:06:13 syzkaller user.err kernel: [ 2776.380726][ T8309] May 18 04:06:13 syzkaller user.err kernel: [ 2776.380733][ T8309] Uninit was stored to memory at: May 18 04:06:13 syzkaller daemon.info dhcpcd[3049]: lapb14: soliciting a DHCP lease May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380743][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380798][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380801][ T8377] do_fast_syscall_32+0x34/0x70 May 18[ 2814.950541][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready 04:06:13 syzkaller user.warn ke[ 2814.962337][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready rnel: [ 2776.380844][ T8309] ge[ 2814.972390][ T8318] bridge0: port 2(bridge_slave_1) entered blocking state t_compat_msghdr+[ 2814.980539][ T8318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 2814.982898][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready 0x108/0x2c0 May 18 04:06:13 syzkaller user.warn[ 2815.000617][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready kernel: [ 2776.380860][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380890][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380916][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:13 syzkaller user.warn kernel: [ 2776.380943][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:13 syzkaller user.err kernel: [ 2776.380980][ T8377] May 18 04:06:13 syzkaller user.err kernel: [ 2776.380987][ T8377] Uninit was stored to memory at: May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381003][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:13 syzkaller daemon.err dhcpcd[8448]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381062][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381127][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:13 syzkaller user.warMay 18 04:06:13 syzkaller user.warn kernel: [ 2776.381244][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:13 syzkaller daemon.err dhcpcd[8448]: ps_root_recvmsg: Invalid argument May 18 04:06:13 syzkaller user.err kernel: [ 2776.38130May 18 04:06:13 syzkaller user.eMay 18 04:06:13 May 18 04:06:13 May 18 04:06:13 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381534][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381585][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381587][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381633][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381643][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381679][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381702][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381732][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381884][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381889][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381944][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:13 syzkaller user.warn kernel: [ 2776.381943][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:13 syzkaller user.err kernel: [ 2776.382014][ T8309] May 18 04:06:14 syzkaller user.err kernel: [ 2776.382022][ T8309] Uninit was stored to memory at: May[ 2815.243699][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready 18 04:06:14 syzkaller user.warn kernel: [ 2776.[ 2815.256022][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready 382003][ T8377] do_fast_syscall_32+0x34/0x70 M[ 2815.267388][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready ay 18 04:06:14 syzkaller user.warn kernel: [ 277[ 2815.279665][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready 6.382061][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382087][ T8309] [ 2815.291380][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready __get_compat_ms[ 2815.294046][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready ghdr+0x6e1/0x9d0 May 18 04:06:14 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.conf: Bad message May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382118][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382134][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:14 syzkaller user.err kernel: [ 2776.382182][ T8377] May 18 04:06:14 syzkaller user.err kernel: [ 2776.382189][ T8377] Uninit was stored to memory at: Ma[ 2815.357121][T16594] device hsr_slave_0 left promiscuous mode y 18 04:06:14 syzkaller user.warn kernel: [ 2776.382181][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:14 syzkaller user.warn [ 2815.373815][T16594] device hsr_slave_1 left promiscuous mode kernel: [ 2776.382235][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382255][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:14[ 2815.395805][T16594] batman_adv: batadv0: Interface deactivated: batadv_slave_0 syzkaller user.warn kernel: [ 2776.382289][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1[ 2815.404276][T16594] batman_adv: batadv0: Removing interface: batadv_slave_0 d0 May 18 04:06[ 2815.415591][T16594] batman_adv: batadv0: Interface deactivated: batadv_slave_1 :14 syzkaller us[ 2815.428164][T16594] batman_adv: batadv0: Removing interface: batadv_slave_1 er.warn kernel: [ 2776.382301][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382345][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382348][ T8377] d[ 2815.456042][T16594] device bridge_slave_1 left promiscuous mode o_recvmmsg+0xd77/0x2120 May 18 04:06:14 syzkall[ 2815.464129][T16594] bridge0: port 2(bridge_slave_1) entered disabled state er user.warn kernel: [ 2776.382405][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:14 syzkaller user.warn k[ 2815.483270][T16594] device bridge_slave_0 left promiscuous mode ernel: [ 2776.38[ 2815.490917][T16594] bridge0: port 1(bridge_slave_0) entered disabled state 2466][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382527][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382561][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:14 syzkaller user.err kernel: [ 2776.382593][ T8309] May 18 04:06:14 syzkaller user.err kernel: [ 2776.382600][ T8309] Uninit was stored to memory at: May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382616][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382666][ 2815.549224][T16594] device veth1_macvtap left promiscuous mode [ T8309] __get_[ 2815.556806][T16594] device veth0_macvtap left promiscuous mode compat_msghdr+0x[ 2815.564216][T16594] device veth1_vlan left promiscuous mode 6e1/0x9d0 May 18 04:06:14 syzka[ 2815.570845][T16594] device veth0_vlan left promiscuous mode ller user.warn kernel: [ 2776.382671][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382713][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382731][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:14 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382759][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382788][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382813][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382845][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382866][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:14 syzkaller user.err kernel: [ 2776.382910][ T8377] May 18 04:06:14 syzkaller user.err kernel: [ 2776.382917][ T8377] Uninit was stored to memory at: May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382922][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382982][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.382980][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383029][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383043][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383074][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383100][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383127][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:14 syzkaller user.err kernel: [ 2776.383163][ T8309] May 18 04:06:14 syzkaller user.err kernel: [ 2776.383172][ T8309] Local variable msg_sys created at: May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383182][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:14 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:14 syzkaller user.err kernel: [ 2776.383187][ T8309] do_recvmmsg+0xbb/0x2120 May 18 04:06:14 syzkaller user.err kernel: [ 2776.383238][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383237][ T8377] __do_May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.383410][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:14 syzkaller user.err kernel: [ May 18 04:06:14 May 18 04:06:14 syzkaller user.err kernel: [ 2776.383488][ T8377] Uninit was stored to memory at: May 18 04:06:14 syzkaller daemon.info dhcpcd[3049]: lapb14: sMay 18 04:06:14 May 18 04:06:14 syzkaller daemon.err dhcpcd[3049]: eth12: /var/db/dhcpcd/eth12.lease: Bad message May 18 04:06:14 syzkaller daemon.info dhcpcd[3049]: eth12: soliciting a DHCP lease May 18 04:06:14 syzkallerMay 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 syzkaller daemonMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.confMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.384461][ T8377] __sys_recvmmMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.384639][ T837May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.eMay 18 04:06:14 syzkaller user.eMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 2776.966666][ T8377] not chained 1510000 origins M[ 2815.932084][ T3579] Bluetooth: hci6: command 0x0409 tx timeout ay 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 syzkaller user.warn kernel: [ 2777.607116][ T830May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.warn kernel: [ 2777.607898][ T8309] __msan_chainMay 18 04:06:14 syzkaller user.warn kernel: [ 2777.608006][ T8309] __get_compatMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 syzkaller user.warn kernel: [ 2777.608625][ T830May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 2777.609399][ T8377] dump_stack+0May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.warn kernel: [ 2777.610066][ T8377] ? kmsan_internal_unpoison_meMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.warn kernel: [ 2777.610268][ T837May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 2777.610647][ T837May 18 04:06:14 May 18 04:06:14 syzkaller user.warn kernel: [ 27May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:14 syzkaller user.warn kernel: [ 2777.613788][ T837May 18 04:06:14 syzkaller user.wMay 18 04:06:14 May 18 04:06:14 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 2777.614508][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.614565][ T8377] __ia32_compat_sys_recvmmsg_tMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.614743][ T837May 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.err kernel: [ 277May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.616088][ T8377] __get_compatMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.616529][ T8377] entry_SYSENTMay 18 04:06:15 syzkaller user.err kernel: [ 277May 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.warn kernel: [ 2777.616625][ T8309] get_compat_mMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 2777.617351][ T8309] __ia32_compaMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.617661][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:15 syzkaller user.err kernel: [ 2777.617725][ T8377] May 18 04:06:15 syzkaller user.err kernelMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 2777.619147][ T830May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 2777.619678][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:15 syzkaller user.warn kernel: [May 18 04:06:15 syzkaller user.warn kernel: [ 2777.619794][ T830May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 syzkaller user.err kernel: [ 2777.620639][ T8309] __sys_recvmmsMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.956405][ T8377] Hardware nameMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.956461][ T837May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.956662][ T837May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.956864][ T8377] ? preempt_coMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.957048][ T8377] ? should_fail+0x75/0x9c0 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.957094][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:15 syzkaller useMay 18 04:06:15 syzkaller user.warn kernel: [ 2777.957234][ T8377] ? kmsan_inteMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.957435][ T8377] __msan_chain_origin+0xbf/0x1May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.957571][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:15 syzkaller useMay 18 04:06:15 syzkaller user.warn kernel: [ 2777.957693][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:15 syzkaller user.warMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.958406][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.958468][ T8377] entry_SYSENTERMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.958659][ T8377[ 2816.713194][T16594] team0 (unregistering): Port device team_slave_1 removed ] RAX: ffffffffffffffda RBX: 00May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.958721][ T8377] RBP: 0000000000000000 R08: 00May 18 04:06:15 syzkaller user.warn kernel: [ 2777.958749][ T8377] R10: 0000000000000000 R11: 0000000000000000 RMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.err kernel: [ 2777.958834][ T8377] Uninit was stoMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.958999][ T8377] do_recvmmsg+M[ 2816.761692][T16594] team0 (unregistering): Port device team_slave_0 removed ay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 s[ 2816.806575][T16594] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface yzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 M[ 2816.841116][T16594] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface ay 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.960853][ T8377] __sys_recvmmMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.err kernel: [ 277May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.961449][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2777.961565][ T8377] __do_fast_syMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.eMay 18 04:06:15 May 18 04:06:15 syzkaller user.eMay 18 04:06:15 syzkaller user.warn kernel: [ 2778.135313][ T8377] not chained 1May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2779.734477][ T8377] ? kmsan_get_shadow_origin_ptMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 2779.734588][ T8377] ? kmsan_get_May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 syzkaller user.warn kernel: [ 2779.736239][ T837May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 27May 18 04:06:15 syzkaller user.warn kernel: [ 2779.736465][ T8309] May 18 04:06:15 syzkaller user.warn kernel: [ 2779.736479][ T8309] dump_stack_lvl+0x1ff/0x28e May 18 04:06:15 syzkaller user.warn kernel: [ 2779.736578][ T8309] dump_stack+0x25/0x28 May 18 04:06:15 syzkaller user.warn kernel: [ 2779.736638][ T8309] kmsan_internal_chain_oMay 18 04:06:15 syzkaller user.warn kernel: [ 2779.736705][ T830May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2779.737134][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:15 syzkaller user.warn kernel: [ 2779.737198][ T8309] ? kmsan_internal_set_shadow_origin+0x5eMay 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 May 18 04:06:15 May 18 04:06:15 syzkaller user.wMay 18 04:06:15 May 18 04:06:15 syzkaller user.warn kernel: [ 2779.737729][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:15 syzkaller user.warn kernel: [ 2779.737810][ T8309] ? 0xffffffff81May 18 04:06:15 May 18 04:06:15 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 27May 18 04:06:16 syzkaller user.warn kernel: [ 2779.738112][ T8309] __sys_recvmmMay 18 04:06:16 syzkaller user.warn kernel: [ 2779.738182][ T830May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 s[ 2817.220231][T16594] bond0 (unregistering): Released all slaves yzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2779.738504][ T830May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.eMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 27May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.eMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2779.740665][ T8309] get_compat_msghdr+0x108/0x2cMay 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2779.740768][ T830May 18 04:06:16 syzkaller user.warn kernel: [ 27May 18 04:06:16 syzkaller user.warn kernel: [ 2779.740881][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:16 syzkaller user.warn kernel: [ 2779.740940][ T8309] do_fast_May 18 04:06:16 syzkaller user.err kernel: [ 2779.740978][ T8377] Uninit was stoMay 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2779.741051][ T837May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.eMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2779.741368][ T837May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.wM[ 2817.405538][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready ay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 s[ 2817.416714][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready yzkaller user.wMay 18 04:06:16 syzkaller user.wM[ 2817.428003][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready ay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.eMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wM[ 2817.448653][ T8393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready ay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.err kernel: [ 2779.742378][ T8309] May 18 04:06:16 syzkaller user.err kernel: [ 2779.742385][ T8309] Uninit was stored to memory[ 2817.482949][ T8435] chnl_net:caif_netlink_parms(): no params data found at: May 18 04:06:16 syzkaller user.warn kerneMay 18 04:06:16 May 18 04:06:16 syzkaller user.wM[ 2817.497582][ T2821] EXT4-fs error: 1202 callbacks suppressed ay 18 04:06:16 M[ 2817.497646][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:16 s[ 2817.511632][ T8453] EXT4-fs error (device sda1): ext4_lookup:1785: inode #12: comm dhcpcd: iget: checksum invalid yzkaller user.wMay 18 04:06:16 M[ 2817.529698][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.eMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.cMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wM[ 2817.565756][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.232695][ T830May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 27May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.err kernel: [ 2780.272873][ T8377] May 18 04:06:16 syzkaller user.warn kernel: [ 2780.275805][ T8309] ? kmsan_get_metadata+0x3May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 27May 18 04:06:16 s[ 2817.639591][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid yzkaller user.warn kernel: [ 2780.311545][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wa[ 2817.672826][ T3579] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready rn kernel: [ 27M[ 2817.680978][ T3579] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready ay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 27May 18 04:06:16 M[ 2817.698028][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid ay 18 04:06:16 syzkaller user.warn kernel: [ 27May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.365376][ T8309] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06[ 2817.725522][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid :16 syzkaller user.warn kernel:May 18 04:06:16 syzkaller user.eMay 18 04:06:16 syzkaller user.eMay 18 04:06:16 syzkaller user.warn kernel: [ 2780.374797][ T8309] __ia32_compat_sys_recvmmsg_tMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 M[ 2817.760088][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid ay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 M[ 2817.780662][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:16 May 18 04:06:16 syzkaller user.wa[ 2817.795616][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid rn kernel: [ 2780.414295][ T830May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.424129][ T8309] R13: 0000000000000000 R14: 0000000000000000 RMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.447672][ T837May 18 04:06:16 M[ 2817.836607][ T8393] 8021q: adding VLAN 0 to HW filter on device batadv0 ay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.eMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.516141][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:16 syzkaller useMay 18 04:06:16 May 18 04:06:16 syzkaller user.wMay 18 04:06:16 syzkaller user.wMay 18 04:06:16 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.542108][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.547110][ TMay 18 04:06:16 May 18 04:06:16 May 18 04:06:16 May 18 04:06:16 syzkaller user.err kernel: [ 2780.567569][ T8377] May 18 04:06:16 syzkaller user.err kernel: [ 2780.567579][ T8377] Uninit was stored to memory at: May 18 04:06:16 syzkaller user.warn kernel: [ 2780.572675][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.579031][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.583921][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.586209][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.591217][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.595782][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.600894][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.607282][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.607339][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:16 syzkaller user.warn kernel: [ 2780.607396][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:16 syzkaller user.warn ke[ 2818.012339][ T3579] Bluetooth: hci6: command 0x041b tx timeout rnel: [ 2780.612412][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:16 syzkaller user.warn kernel: [ 2780.614730][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:16 syzkaller user.err kernel: [ 2780.619737][ T8309] May 18 04:06:16 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:16 syzkaller daemon.info dhcpcd[3049]: lapb16: IAID 00:00:00:77 May 18 04:06:16 syzkaller user.err kernel: [ 2780.619747][ T8309] Uninit was stored to memory at: May 18 04:06:16 syzkaller daemon.info dhcpcd[3049]: lapb16: adding address fe80::a2c8:e39b:7a42:994b May 18 04:06:16 syzkaller user.warn kernel: [ 2780.624298][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.629477][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:17 syzkaller daemon.err dhcpcd[3049]: ipv6_addaddr1: Invalid argument May 18 04:06:17 syzkaller user.warn kernel: [ 2780.634412][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:17 syzkaller user.warn kernel: [ 2780.638920][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:17 syzkaller user.err kernel: [ 2780.643655][ T8377] May 18 04:06:17 syzkaller user.err kernel: [ 2780.643663][ T8377] Uninit was stored to memory at: May 18 04:06:17 syzkaller user.warn kernel: [ 2780.643734][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.649970][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.655058][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:17 syzkaller daemon.err dhcpcd[3049]: lapb15: /var/db/dhcpcd/lapb15.lease: Bad message May 18 04:06:17 syzkaller user.warn kernel: [ 2780.659915][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller daemon.info dhcpcd[3049]: lapb15: soliciting a DHCP lease May 18 04:06:17 syzkaller user.warn kernel: [ 2780.664495][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:17 syzkaller daemon.info dhcpcd[3049]: eth9: probing for an IPv4LL address May 18 04:06:17 syzkaller user.warn kernel: [ 2780.670823][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:17 syzkaller daemon.info dhcpcd[3049]: eth10: probing for an IPv4LL address May 18 04:06:17 syzkaller user.warn kernel: [ 2780.673218][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.678224][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.683395][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.688338][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.692907][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.697592][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.703983][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.709015][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:17 syzkaller daemon.err dhcpcd[8456]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:17 syzkaller user.warn kernel: [ 2780.713924][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:17 syzkaller user.err kernel: [ 2780.718431][ T8309] May 18 04:06:17 syzkaller user.err kernel: [ 2780.718440][ T8309] Uninit was stored to memory at: May 18 04:06:17 syzkaller user.warn kernel: [ 2780.724821][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:17 syzkaller user.warn kernel: [ 2780.727220][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:17 syzkaller user.err kernel: [ 2780.732505][ T8377] May 18 04:06:17 syzkaller daemon.err dhcpcd[8456]: ps_root_recvmsg: Invalid argument May 18 04:06:17 syzkaller user.err kernel: [ 2780.732514][ T8377] Local variable msg_sys created at: May 18 04:06:17 syzkaller user.warn kernel: [ 2780.736900][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:17 syzkaller user.err kernel: [ 2780.741559][ T8377] do_recvmmsg+0xbb/0x2120 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.746319][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:17 syzkaller user.err kernel: [ 2780.757027][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.763441][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.970100][ T8377] not chained 1560000 origins May 18 04:06:17 syzkaller user.warn kernel: [ 2780.970863][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.975753][ T8377] CPU: 1 PID: 8377 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.980554][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.986803][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.986829][ T8377] Call Trace: May 18 04:06:17 syzkaller user.warn kernel: [ 2780.986844][ T8377] May 18 04:06:17 syzkaller user.warn kernel: [ 2780.986862][ T8377] dump_stack_lvl+0x1ff/0x28e May 18 04:06:17 syzkaller user.warn kernel: [ 2780.986932][ T8377] dump_stack+0x25/0x28 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.993307][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:17 syzkaller user.warn kernel: [ 2780.999714][ T8377] kmsan_internal_chain_origin+0x78/0x120 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.004491][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.006700][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.011702][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:17 syzkaller user.warn kernel: [ 2781.018015][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:17 syzkaller user.err kernel: [ 2781.023118][ T8309] May 18 04:06:17 syzkaller user.warn kernel: [ 2781.028115][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:17 syzkaller user.err kernel: [ 2781.May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:17 syzkaller user.warn kernel: [ 2781.057301][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.077003][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.085295][ T8377] ? should_fail+0x75/0x9c0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.085343][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:17 syzkaller user.warMay 18 04:06:17 syzkaller user.wMay 18 04:06:17 syzkaller user.wMay 18 04:06:17 syzkaller user.warn kernel: [ 2781.098089][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.106173][M[ 2818.627770][ T8435] bridge0: port 1(bridge_slave_0) entered blocking state ay 18 04:06:17 s[ 2818.636261][ T8435] bridge0: port 1(bridge_slave_0) entered disabled state yzkaller user.warn kernel: [ 2781.114041][ T8377[ 2818.647777][ T8435] device bridge_slave_0 entered promiscuous mode ] ? kmsan_get_May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.122181][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.128422][ T8377] __get_coMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.149426][ T8377] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.154617][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:17 syzkaller user.warn kernel: [ 2781.159357][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:17 syzkaller useMay 18 04:06:17 May 18 04:06:17 syzkaller user.err kernel: [ 2781.173325][ T8309May 18 04:06:17 syzkaller user.warn kernel: [ 2781.179575][ T837May 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:17 syzkaller user.warn kernel: [ 27M[ 2818.727839][ T8435] bridge0: port 2(bridge_slave_1) entered blocking state ay 18 04:06:17 syzkaller user.wM[ 2818.736609][ T8435] bridge0: port 2(bridge_slave_1) entered disabled state ay 18 04:06:17 syzkaller user.warn kernel: [ 278[ 2818.748629][ T8435] device bridge_slave_1 entered promiscuous mode 1.197940][ T8377] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:17 syzkaller user.warn kernel: [ May 18 04:06:17 syzkaller user.warn kernel: [ 2781.208357][ T8377] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.213370][ T8309] __sys_rMay 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.222688][ T830May 18 04:06:17 syzkaller user.warn kernel: [ 27May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.238055][ T8377] __do_fast_syMay 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.246684][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.251685][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.256700][ T837May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.err kernel: [ 2781.271605][ T8309] Uninit was stored to memory at: May 18 04:06:17 syzkaller user.warn kernel: [ 2781.276083][ T8377] RIP: 0023:0xf6e78549 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.276120][ T8377] Code: 03 74 c0 01 10 05 03 74 b8 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.287026][ T8377] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.287056][ T8377] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 May 18 04:06:17 syzkMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:17 syzkaller user.warn kernel: [ 2781.299083][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:17 syzkaller user.err kernel: [ 2781.307662][ T8377] Uninit was stored to memory at: May 18 04:06:17 syzkaller user.warn kernel: [ 2781.310580][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.315936][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.320618][ T8309] __ia32May 18 04:06:17 syzkaller user.warn kernel: [ 2781.325543][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.330047][ T8309] __do_fast_syscall_32+0x96May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.345680][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.350703][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.357090][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.362030][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:17 syzkaller user.warn kernel: [ 2781.364346][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:17 syzkalleMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.eMay 18 04:06:17 May 18 04:06:17 syzkaller user.eMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.eMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.836400][ T830May 18 04:06:17 syzkaller user.warn kernel: [ 2781.836427][ T8309] Call Trace: May 18 04:06:17 syzkaller user.warn kernel: [ 2781.836443][ T8309] May 18 04:06:17 syzkaller user.warn kernel: [ 2781.836460][ T8309] dump_stack_lvl+0x1ff/0x28e May 18 04:06:17 syzkaller user.warn kernel: [ 2781.840965][ T8377] get_compat_msghdr[ 2819.048621][ T8435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link +0x108/0x2c0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.845463][ T8309] dump_stack+0x25/0x28 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.8455May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 s[ 2819.101516][ T8435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link yzkaller user.wMay 18 04:06:17 May 18 04:06:17 syzkaller user.err kernel: [ 2781.950784][ T8377] May 18 04:06:17 syzkaller usMay 18 04:06:17 syzkaller user.warn kernel: [ 2781.955272][ T8309] __msan_chain_origin+0xbf/0x140 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.955340][ T8309] __get_coMay 18 04:06:17 syzkaller user.wMay 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.976511][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:17 syMay 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.986520][ T8309] ? __stack_depot_save+0x21/0x4d0 May 18 04:06:17 syzkaller uMay 18 04:06:17 syzkaller user.warn kernel: [ 2781.991074][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:17 syzkaller user.warn kernel: [ 2781.995912][ T830May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 May 18 04:06:17 syzkaller user.warn kernel: [ 2782.017853][ T8309] __do_fast_syscall_32+0x96/0xMay 18 04:06:17 May 18 04:06:17 syzkaller user.wMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.025248][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.030514][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.035350][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:18 syzkaller user.warn kernel: [ 2782.035424][ T8309] RIP: 0023:0xf6eb3549 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.039823][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:18 syzkaller user.warn kernel: [ 2782.044311][ T8309] CoMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.eMay 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.055352][ T8309] RDX: 00000000ffffff67 RSI: 00May 18 04:06:18 May 18 04:06:18 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.conf: Bad message May 18 04:06:18 syzkaller user.warn kernel: [ 2782.055442][ T8309] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.060159][ T8377] __get_cMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.077027][ T830May 18 04:06:18 syzkaller user.wMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.091296][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.094534][ T8377] __sys_recvmmsg+0x51c/0x6f0[ 2819.320092][ T8435] team0: Port device team_slave_0 added May 18 04:06:18 syzkaller user.warn kernel: [ 2782.097481][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.102218][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.107142][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:18 syzkaller usMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.117091][ T8309] __ia32_compaMay 18 04:06:18 syzkaller user.wMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.142441][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:18 syzkaller user.warn kernel: [May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 M[ 2819.389965][ T8435] team0: Port device team_slave_1 added ay 18 04:06:18 May 18 04:06:18 syzkaller user.err kernel: [ 2782.169857][ T8309] Uninit was stored to memory at: May 18 04:06:18 syzkaller user.warn kernel: [ 2782.174412][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.179325][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.184446][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.190692][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.195254][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.201321][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.206491][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.212903][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.218690][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.221002][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.226090][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.231121][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:18 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:18 syzkaller user.warn kernel: [ 2782.236292][ T8377] entry_SYSENTER_compatMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.246487][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.251346][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.256344][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:18 syzkaller May 18 04:06:18 May 18 04:06:18 syzkaller user.err kernel: [ 278May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.279931][ T8309] __get_compat_msghdr+0x6e1/0x9[ 2819.571645][ T8435] batman_adv: batadv0: Adding interface: batadv_slave_0 d0 May 18 04:06[ 2819.579509][ T8435] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. :18 syzkaller us[ 2819.607091][ T8435] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active er.warn kernel: [ 2782.284633][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:18 syzkaller user.warn kernMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.297462][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.303882][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:18 syzkaller daemon.info dhcpcd[3049]: lapb17: waiting for carrier May 18 04:06:18 syzkaller user.warn kernel: [ 2782.308548][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:18 syzkaller daemon.info dhcpcd[3049]: lapb16: soliciting an IPv6 router May 18 04:06:18 syzkaller user.warn kernel: [ 2782.314965][ T8309] May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.329900][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:18 syzkaller user.warn kernel: [ 2782.334828][ T8[ 2819.692873][ T8435] batman_adv: batadv0: Adding interface: batadv_slave_1 309] __do_fastM[ 2819.700969][ T8435] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. ay 18 04:06:18 M[ 2819.728619][ T8435] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active ay 18 04:06:18 syzkaller daemonMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.err kernel: [ 278May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.wMay 18 04:06:18 syzkaller user.wMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.380333][ T8309] entry_SYSENTER_compat_after_May 18 04:06:18 syzkaller user.warn kernel: [ 2782.388791][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:18 syzkaller daemon.err dhcpcd[3049]: read_config: /etc/dhcpcd.conf: Bad message May 18 04:06:18 syzkaller user.err kernel: [ 2782.396865][ T8309] May 18 04:06:18 syzkaller user.warn kernel: [ 2782.399158][ T8377] __sys_recvmMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.420300][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.428302][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.436392][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.441467][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:18 syzkaller daemon.err dhcpcd[8471]:May 18 04:06:18 syzkaller user.warn kernel: [ 2782.444586][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:18 syzkaller daemon.err dhcpcd[8471]: ps_root_recvmsg: Invalid argument May 18 04:06:[ 2819.854017][ T8435] device hsr_slave_0 entered promiscuous mode 18 syzkaller user.warn kernel: [ 2782.449588][ May 18 04:06:18 syzkaller user.warn kernel: [ 27May 18 04:06:18 May 18 04:06:18 syzkaller user.wMay 18 04:06:18 May 18 04:06:18 syzkaller user.eMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.473995][ T830May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.err kernel: [ 2782.489591][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.494703][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.815064][ T8377] n[ 2819.907427][ T8435] device hsr_slave_1 entered promiscuous mode ot chained 1580000 origins May 18 04:06:18 syzkaller user.warn kernel: [ 2782.819532][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:18 syzkaller user.wMay 18 04:06:18 May 18 04:06:18 syzkaller user.err kernel: [ 2782.828798][ T8309] Uninit was stored to memory at: May 18 04:06:18 syzkaller user.warn kernel: [ 2782.835097][ T8377] Hardware name: Google Google Compute Engine/Google ComputeMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.835124][ T8377] Call Trace: May 18 04:06:18 syzkaller user.warn kernel: [ 27May 18 04:06:18 May 18 04:06:18 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad messageMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.841584][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:18 syzkaller daemon.info dhcpcd[3049]: lapb17: adding address fe80::a2c8:e39b:7a42:994b May 18 04:06:18 syzkaller user.warn kMay 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 27May 18 04:06:18 May 18 04:06:18 syzkaller user.wMay 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.863521][ T837May 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.868264][ T8309] __sys_recvmmMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.wMay 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.883832][ T8377] ? should_fail+0x75/0x9c0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.883881][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.883946][ TMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.892345][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.894569][ T8377] ? kmsan_internal_unpoison_memory+0x10/0xMay 18 04:06:18 May 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.909625][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.909692][ T8377] ? kmsan_get_shadow_origMay 18 04:06:18 May 18 04:06:18 syzkaller user.warn kernel: [ 278[ 2820.092042][ T8395] Bluetooth: hci6: command 0x040f tx timeout 2.915922][ T8377] __msan_chain_origin+0xbf/0x140 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.920576][ T8309] entry_SYSENTER_compat_afMay 18 04:06:18 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8448: Connection refused May 18 04:06:18 syzkaller user.warn kernel: [ 2782.924718][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.924793][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:18 syzkaller user.err kernel: [ 2782.929905][ T8309] May 18 04:06:18 syzkaller user.err kernel: [ 2782.929914][ T8309] Uninit was stored to memory at: May 18 04:06:18 syzkaller user.warn kernel: [ 2782.935613][ T8377] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.935682][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.940945][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.945812][ T8377] ? xfd_validate_state+0xd1/0x2d0 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.945881][ T8377] ? 0xffffffff81000000 May 18 04:06:18 syzkaller user.warn kernel: [ 2782.945922][ T8377] ? __stack_depot_save+0x21/0x4d0 May 18 04:06:18 syzkaller daemon.err dhcpcd[8475]: ps_bpf_start_bpf: bpf_open: Invalid argMay 18 04:06:18 syzkaller user.warn kernel: [ 2782.951092][ T830May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 syzkaller user.warn kernel: [ 2782.960775][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:19 syzkaller user.warn kernel: [ 2782May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 27May 18 04:06:18 syzkaller daemonMay 18 04:06:19 syzkaller user.warn kernel: [ 278[ 2820.248001][ T8395] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready 2.976424][ T8377] __do_fast_syscall_32+0x96/0xMay 18 04:06:19 M[ 2820.261924][ T8395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready ay 18 04:06:19 syzkaller user.warn kernel: [ 2782.987425][ T8377] do_fast_syscall_32+0x34/0x70May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.003521][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:19 syzkaller userMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.014752][ T8309] do_SYSENTER_May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.030633][ T8377] RSP: 002b:00000000f58515cc EFLAGS: 00000296 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.040905][ T8377] ORIG_RAX: 0000000000000151 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.040922][ T8377] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:06:19 syzkaller user.err kernel: [ 2783.046009][ T8309] Uninit wMay 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.062333][ T8377] May 18 04:06:19 syzkaller user.err kernel: [ 2783.0May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.074801][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.098981][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.104003][ T830May 18 04:06:19 syzkaller user.warn kernel: [ 2783.109099][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.142238][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:19 syzkaller user.err kernel: [ 2783.May 18 04:06:19 May 18 04:06:19 syzkaller user.eMay 18 04:06:19 M[ 2820.439578][ T8395] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready ay 18 04:06:19 syzkaller user.wMay 18 04:06:19 M[ 2820.451426][ T8395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready ay 18 04:06:19 syzkaller user.warn kernel: [ 2783.390698][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:19 syMay 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.439705][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:19 syzkaller user.crit kernel: [ 2783.444113][ T2821]May 18 04:06:19 syzkaller user.eMay 18 04:06:19 syzkaller user.eMay 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.479267][ T837May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.484505][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.484564][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.484627][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.484687][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.484747][ T8377] entry_SYSENTER_compatMay 18 04:06:19 syzkaller user.err kernel: [ 278May 18 04:06:19 syzkaller user.eMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 s[ 2820.565155][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready yzkaller user.wMay 18 04:06:19 syzkaller user.wM[ 2820.576884][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready ay 18 04:06:19 syzkaller user.warn kernel: [ 2783.485290][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.485349][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5cMa[ 2820.601599][ T8393] device veth0_vlan entered promiscuous mode y 18 04:06:19 sMay 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 27May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.485767][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.485829][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:19 syzkaller May 18 04:06:19 syzkaller user.warn kernel: [ 2783.485949][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:19 syzkaller user.err kernel: [ 2783.486016][ T8May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 27May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.err kernel: [ 2783.486615][ T8377] May 18 04:06:19 syzkaller user.err kernel: [ 2783.486622][ T8377] Uninit was stored to memory at: May 18 04:06:19 syzkaller user.warn kernel: [ 2783.486691][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.486740][ T8377] get_compat_msghdr[ 2820.701203][ T8393] device veth1_vlan entered promiscuous mode +0x108/0x2c0 May 18 04:06:19 sMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.486844][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.486901][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.487020][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:19 syzkaller userMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.eMay 18 04:06:19 syzkaller user.err kernel: [ 2783.487231][ T8377] do_recvmmsg+0xbb/0x2120 May 18 04:06:19 syzkaller user.err kernel: [ 2783.487285][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.538223][ T8309] not chained 1590000 origins May 18 04:06:19 syzkaller user.warn kernel: [ 2783.538249][ T8309] CPU: 0 PID: 8309 Comm: syz-executoMay 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.538339][ T8309] May 18 04:06:19 syzkaller user.warn kernel: [ 2783.538356][ T8309] dump_stack_lvl+0x1ff/0x28e May 18 04:06:19 syzkaller user.warn kernel: [ 2783.538431][ T8309] dump_stack+0x25/0x28 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.538489][ T8309] kmsan_May 18 04:06:19 syzkaller user.wMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.538628][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.538693][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:19 syzkaller daemon.info dhcpcd[3049]: eth12: probing for an IPv4May 18 04:06:19 syzkaller user.wMay 18 04:06:19 syzkaller user.warn kernel: [ 27May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.539005][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.539070][ T8309] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.539141][ T8309] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:19 syzkaller user.warn kerneMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.539277][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:19 syzk[ 2820.893930][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready aller user.warn kernel: [ 2783.539347][ T8309] [ 2820.905331][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready __msan_chain_origin+0xbf/0x140 May 18 04:06:19 syzkaller user.May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 syzkaller user.warn kernel: [ 27May 18 04:06:19 syzkaller user.warn kernel: [ 278[ 2820.938816][ T8393] device veth0_macvtap entered promiscuous mode 3.539940][ T8309] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:19 syzkaller user.warn kernel:May 18 04:06:19 syzkaller user.warn kernel: [ 27May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.540293][ T8309[ 2820.967379][ T8393] device veth1_macvtap entered promiscuous mode ] do_SYSENTER_32+0x1b/0x20 May 18 04:06:19 syzkaller user.warMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.540643][ T8309] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:06:19 syzkaller user.warn kernelMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.540714][ T8309] May 18 04:06:19 syzkaller user.err kernel: [ 2783.540729][ T8309] Uninit was stored to memory at: May 18 04:06:19 syzkaller user.warn kernel: [ 2783.540799][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:19 syzkaller uMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.541075][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.541137][ T8309] do_fast_May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.541400][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.541449][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.541497][ T8309] do_recvmmsg+0xd77/0xMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.541554][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.541611][ T8309] __ia32_compat_sys_recvmmsg_tMay 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 27May 18 04:06:19 syzkaller user.wMay 18 04:06:19 syzkaller user.err kernel: [ 278May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.542459][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06[ 2821.117304][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 :19 syzkaller us[ 2821.130336][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! er.warn kernel: [ 2821.140686][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2783.542507][ [ 2821.152528][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! T8309] get_comp[ 2821.163780][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 at_msghdr+0x108/[ 2821.175628][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 0x2c0 May 18 04[ 2821.187066][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 :06:19 syzkaller[ 2821.198824][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! user.warn kerne[ 2821.210126][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 l: [ 2783.542554[ 2821.222056][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ][ T8309] do_rM[ 2821.226981][ T8393] batman_adv: batadv0: Interface activated: batadv_slave_0 ay 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 May 18 04:06:19 s[ 2821.247633][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready yzkaller user.warn kernel: [ 2783.542789][ T8309[ 2821.259836][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready ] do_fast_syscMay 18 04:06:19 syzkaller user.wM[ 2821.271175][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready ay 18 04:06:19 syzkaller user.warn kernel: [ 2783.542904][ T8309[ 2821.284698][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready ] entry_SYSENTER_compat_after_hwframe+0x4d/0x5May 18 04:06:19 May 18 04:06:19 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.543054][ T8309] __get_compatMay 18 04:06:19 May 18 04:06:19 syzkaller user.wMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.543209][ T8309] __sys_recvmmMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.543266][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.543324][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:19 syzkaller [ 2821.338808][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 user.warn kernel[ 2821.350423][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! : [ 2783.543387][ 2821.350491][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ T8309] do_fas[ 2821.373987][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! t_syscall_32+0xMay 18 04:06:19 syzkaller user.warn kernel: [ 2783.543447][ T8309] do_SYSENTER_32+0x1b/0x20 May[ 2821.386724][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 18 04:06:19 syz[ 2821.386811][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! kaller user.warn[ 2821.386941][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 kernel: [ 2783.[ 2821.387018][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 543507][ T8309] [ 2821.387102][ T8393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 entry_SYSENTER_[ 2821.387179][ T8393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! compat_after_hwM[ 2821.393255][ T8393] batman_adv: batadv0: Interface activated: batadv_slave_1 ay 18 04:06:19 syzkaller user.eMay 18 04:06:19 syzkaller user.err kernel: [ 2783.543582][ T8309][ 2821.478492][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready Uninit was stored to memory at: May 18 04:06:19 syzkaller user[ 2821.491951][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready .warn kernel: [ 2783.543651][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:19 syzkaller user.warn kernel: [ 2783.543700][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:20 syzkaller user.warn kMay 18 04:06:20 syzkaller user.warn kernel: [ 2783.543805][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.543862][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:06:20 syzkaller user.warn kernel: [ 2783.543920][ T8309] __do_fast_syscall_32+0x96/0xMay 18 04:06:20 May 18 04:06:20 syzkaller user.wMay 18 04:06:20 May 18 04:06:20 May 18 04:06:20 May 18 04:06:20 syzkaller user.warn kernel: [ 27May 18 04:06:20 syzkaller user.warn kernel: [ 2783.544299][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.544347][ T8309] do_recvmmsg+0xd77/0x2120May 18 04:06:20 syzkaller user.warn kernel: [ 2783.544403][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:20 sMay 18 04:06:20 syzkaller user.warn kernel: [ 2783.544533][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.544595][ T8309] do_fast_May 18 04:06:20 May 18 04:06:20 syzkaller user.warn kernel: [ 27May 18 04:06:20 syzkaller user.err kernel: [ 2783.544782][ T8309] May 18 04:06:20 syzkaller user.err kernel: [ 2783.544790][ T8309] Uninit was stored to memory at: May 18 04:06:20 syzkaller user.warn kernel: [ 2783.544859][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.544908][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.544957][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:20 syzkaller user.warnMay 18 04:06:20 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.545226][ T830May 18 04:06:20 syzkaller user.warn kernel: [ 2783.545290][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.545355][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.545415][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:20 syzkaller user.err kernel: [ 2783.545487][ T8309] May 18 04:06:20 syzkaller user.err kernel: [ 2783.545496][ T8309] Local variable msg_sys created at: May 18 04:06:20 syzkaller daemon.err dhcpcd[3049]: lapb17: /var/db/dhcpcd/lapb17.lea[ 2821.703971][ T8435] 8021q: adding VLAN 0 to HW filter on device bond0 se: Bad message May 18 04:06:20 syzkaller user.err kernel: [ 2783.545511][ T8309] do_recvmmsg+0xbb/0x2120 May 18 04:06:20 syzkaller user.err kernel: [ 2783.545566][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:20 syzkaller daemon.inMay 18 04:06:20 syzkaller daemon.err dhcpcd[8480]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:20 syzkaller daemon.err dhcpcd[848May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696689][ T8377] not chained 1600000 origins May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696715][ T8377] CPU: 1 PID: 8377 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696764][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696790][ T8377] Call Trace: May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696804][ T8377] May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696820][ T8377] dump_stack_lvl+0x1ff/0x28e May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696895][ T8377] dump_stack+0x25/0x28 May 18 04:06:20 syzkaller daemon.err dhcpcd[8481]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:20 syzkaller user.warn kernel: [ 2783.696959][ T8377] kmsan_internal_chain_origin+0x78/0x120 May 18 04:06:20 syzkaller daemon.err dhcpcd[8481]: ps_root_recvmsg: Invalid argument May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697030][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697097][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:20 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:06:20 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8475: Connection refused May 18 04:06:20 syzkaller user.warn kernel: [ 2783[ 2821.872189][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready .697162][ T8377] ? kmsan_get_sh[ 2821.882526][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready adow_origin_ptr+0x9b/0xf0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697235][ T8377] ? preempt_count_sub+0xf8/0x330 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697283][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697349][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697422][ T83[ 2821.924713][ T8435] 8021q: adding VLAN 0 to HW filter on device team0 77] ? should_fail+0x75/0x9c0 May 18 04:06:20 syzkaller user.warn kernel: [ 27May 18 04:06:20 May 18 04:06:20 syzkaller user.wMay 18 04:06:20 May 18 04:06:20 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697815][ T8377] __msan_chain_origin+0xbf/0x140 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.697880][ T8377] __get_coMay 18 04:06:20 syzkaller user.warn kernel: [ 27May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698015][ T8377] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698082][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:20 syzkaller user.wMay 18 04:06:20 syzkaller user.wa[ 2821.985977][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready rn kernel: [ 27May 18 04:06:20 M[ 2821.998001][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready ay 18 04:06:20 syzkaller user.wa[ 2822.007661][T11557] bridge0: port 1(bridge_slave_0) entered blocking state rn kernel: [ 278[ 2822.016141][T11557] bridge0: port 1(bridge_slave_0) entered forwarding state 3.698320][ T8377] ? kmsan_get_metadata+0x33/0xMay 18 04:06:20 syzkaller user.warn kernel: [ 27May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698460][ T8377] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698525][May 18 04:06:20 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698668][ T837May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698735][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698797][ T8May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698859][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5May 18 04:06:20 syzkaller user.warn kernel: [ 2783.698930][ T837May 18 04:06:20 May 18 04:06:20 syzkaller user.wMay 18 04:06:20 May 18 04:06:20 syzkaller user.wMay 18 04:06:20 syzkaller user.warn kernel: [ 2783.699119][ T8377] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.699147][ T8377] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.699174][ T8377] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.699214][ T8377] May 18 04:06:20 syzkaller user.err[ 2822.135916][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready kernel: [ 2783.700289][ T8377] Uninit was store[ 2822.147213][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready d to memory at: May 18 04:06:20[ 2822.158897][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready syzkaller user.warn kernel: [ 2[ 2822.169029][T11557] bridge0: port 2(bridge_slave_1) entered blocking state 783.700362][ T8M[ 2822.177511][T11557] bridge0: port 2(bridge_slave_1) entered forwarding state ay 18 04:06:20 s[ 2822.182877][T29205] Bluetooth: hci6: command 0x0419 tx timeout yzkaller user.wa[ 2822.187961][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready rn kernel: [ 2783.700412][ T8377] get_compat_ms[ 2822.206246][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready ghdr+0x108/0x2c0 May 18 04:06:20 syzkaller user[ 2822.218258][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready .warn kernel: [ 2783.700459][ T8377] do_recvmms[ 2822.229720][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready g+0xd77/0x2120 May 18 04:06:20 syzkaller user.M[ 2822.241501][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready ay 18 04:06:20 syzkaller user.wMay 18 04:06:20 M[ 2822.253778][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready ay 18 04:06:20 May 18 04:06:20 syzkaller user.wMay 18 04:06:20 syzkaller user.wMay 18 04:06:20 syzkaller user.err kernel: [ 278May 18 04:06:20 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.700955][ T8377] __get_compatMay 18 04:06:20 syzkaller user.warn kernel: [ 27May 18 04:06:20 syzkaller user.warn kernel: [ 2783.701052][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.701106][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.701161][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:20 syzkaller user.May 18 04:06:20 syzkaller user.wMay 18 04:06:20 syzkaller user.warn kernel: [ 2783.701337][ T8377] do_SYSENTER_May 18 04:06:20 May 18 04:06:20 syzkaller user.err kernel: [ 2783.701465][ T8377] May 18 04:06:20 syzkaller user.err kernel: [ 2783.701473][ T8377] Uninit was stored to memory at: May 18 04:06:20 syzkaller user.warn kernel: [ 2783.701541][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:20 syzkaller user.warn kernel: [ 2783.701590][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.701636][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:21 syzk[ 2822.367892][ T8435] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network aller user.warn kernel: [ 2783.701691][ T8377] [ 2822.379048][ T8435] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.701910][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:21 syzkaller user.warn kernel: [ 27May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.702167][ T8377] entry_SYSENTMay 18 04:06:21 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:06:21 syzkaller user.err kernel: [ 2783.702234][ T8377] May 18 04:06:21 syzkalMay 18 04:06:21 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.702316][ T837May 18 04:06:21 syzkaller user.warn kernel: [ 2783.702365][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:21 syzkaller useMay 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller user.eMay 18 04:06:21 syzkaller user.eMay 18 04:06:21 syzkaller user.warn kernel: [ 27May 18 04:06:21 syzkaller user.warn kernel: [ 27May 18 04:06:21 syzkaller user.warn kernel: [ 2783.702988][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.703043][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.703101][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:21 syzkaller user.w[ 2822.504090][ T2821] EXT4-fs error: 838 callbacks suppressed arn kernel: [ 27[ 2822.504156][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 83.703159][ T83May 18 04:06:21 syzkaller user.warn kernel: [ 2783.703221][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.703282][ T8377] do_SYSENTEM[ 2822.538659][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 M[ 2822.559347][ T8435] 8021q: adding VLAN 0 to HW filter on device batadv0 ay 18 04:06:21 May 18 04:06:21 s[ 2822.569811][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid yzkaller user.wa[ 2822.576712][ T8489] EXT4-fs error (device sda1): ext4_lookup:1785: inode #146: comm modprobe: iget: checksum invalid [ 2822.592279][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready rn kernel: [ 2783.703818][ T8377] do_fast_sysca[ 2822.603989][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready ll_32+0x34/0x70 May 18 04:06:21 syzkaller user.[ 2822.616411][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready warn kernel: [ 2783.703878][ T8377] do_SYSENTER[ 2822.628058][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready _32+0x1b/0x20 May 18 04:06:21 s[ 2822.638895][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready yzkaller user.warn kernel: [ 278[ 2822.648514][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 3.703937][ T8377[ 2822.649284][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready ] entry_SYSENTM[ 2822.669667][T13404] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready ay 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.704183][ T8377[ 2822.688212][ T8492] EXT4-fs error (device sda1): ext4_lookup:1785: inode #146: comm modprobe: iget: checksum invalid ] do_recvmmsg+0xd77/0x2120 May 18 04:06:21 syMay 18 04:06:21 May 18 04:06:21 syzkaller user.wa[ 2822.707019][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid rn kernel: [ 2783.704356][ T8377] __do_fast_syMay 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller user.err kernel: [ 2783.704625][ T8377May 18 04:06:21 syzkaller user.eMay 18 04:06:21 syzkaller user.err kernel: [ 2783.704649][ T8377] do_recvmmsg+0xbb/0x2120 May 18 04:06:21 syzkaller user.err ke[ 2822.745010][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid rnel: [ 2783.704703][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:21 syzkaller user.warn kernel: [ 2783.872806][ T8309] not chained 1610000[ 2822.768308][ T8493] EXT4-fs error (device sda1): ext4_lookup:1785: inode #146: comm modprobe: iget: checksum invalid origins May 18 04:06:21 syzkaller user.crit kernel: [ 2783.922753][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid May 18 04:06:21 syzkaller user.warn kernel: [ 2783.926014][ T8309] CPU: 0 PID: 8309 Comm: syz-exe[ 2822.803839][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid cutor.1 Not tainted 5.17.0-syzkaller #0 May 18 04:06:21 syzkall[ 2822.819602][T29027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready er user.warn kernel: [ 2783.926065][ T8309] Hardware name: GoogMay 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.360568][ T8309] dump_stack+0x25/0x28 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.360May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller user.wMay 18 04:06:21 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.360984][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:21 syzkaller user.warnMay 18 04:06:21 May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller user.wMay 18 04:06:21 syzkaller user.warn kernel: [ 2785.361338][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.361401][ T8309] __msan_chain_origin+0xbf/0x140May 18 04:06:21 sMay 18 04:06:21 syzkaller user.warn kernel: [ 2785.361533][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:21 syzkaller user.warn kernel: [May 18 04:06:21 May 18 04:06:21 syzkaller user.wMay 18 04:06:21 syzkaller user.wMay 18 04:06:21 syzkaller user.warn kernel: [ 2785.361823][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.361882][ T8309] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.361949][ T8309] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362009][ T8309] __sys_recvmmsg+0May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362076][ T8309] __ia32_compaMay 18 04:06:21 May 18 04:06:21 syzkaller user.wMay 18 04:06:21 syzkaller user.warn kernel: [ 27May 18 04:06:21 May 18 04:06:21 syzkaller daemon.info dhcpcd[3049]: eth9: adding route to 169.254.0.0/16 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362319][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362384][ T8309] May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362413][ T830May 18 04:06:21 May 18 04:06:21 May 18 04:06:21 syzkaller daemon.warn dhcpcd[3049]: eth9: no IPv6 Routers available May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362500][ T8309] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:06:21 syzkaller daemon.info dhcpcd[3049]: eth10: using IPv4LL address 169.254.7.248 May 18 04:06:21 syzkalMay 18 04:06:21 syzkaller daemon.err dhcpcd[3049May 18 04:06:21 May 18 04:06:21 syzkaller daemonMay 18 04:06:21 syzkaller user.warn kernel: [ 2785.362584][ T8309] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:06:21 syzkaller daemon.info dhcpcd[3049]: eth10: adding route to 169.254.0.0/16 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362610][ T8309] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362648][ T8309] May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362664][ T8377] CPU: 1 PID: 8377 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362712][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:06:21 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362736][ T8377] Call Trace: May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362750][ T8377] May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362764][ T8377] dump_stack_lvl+0x1ff/0x28e May 18 04:06:21 syzkaller user.err kernel: [ 2785.362807][ T8309] Uninit was stored to memory at: May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362832][ T8377] dump_stack+0x25/0x28 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362875][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362888][ T8377] kmsan_internal_chain_origin+0x78/0x120 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362923][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362953][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:21 syzkaller daemon.err dhcpcd[8485]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:21 syzkaller daemon.err dhcpcd[8491]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:21 syzkaller user.warn kernel: [ 2785.362969][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:21 syzkaller daemon.err dhcpcd[8494]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:21 syzkaller daemon.err dhcpcd[8485]: ps_root_recvmsg: Invalid argument May 18 04:06:22 syzkaller daemon.err dhcpcd[8491]: ps_root_recvmsg: Invalid argument May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363023][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:22 syzkaller daemon.err dhcpcd[8494]: ps_root_recvmsg: Invalid argument May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363024][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363077][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363085][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:22 syzkaller daemon.info dhcpcd[3049]: lapb15: probing for an IPv4LL address May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363132][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363156][ T8377] ? preempt_count_sub+0xf8/0x330 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363191][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363201][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363248][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363263][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363305][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363334][ T8377] ? should_fail+0x75/0x9c0 May 18 04:06:22 syzkaller user.err kernel: [ 2785.363370][ T8309] May 18 04:06:22 syzkaller user.err kernel: [ 2785.363377][ T8309] Uninit was stored to memory at: May 18 04:06:22 syzkaller daemon.err dhcpcd[8497]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363378][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:22 syzkaller daemon.err dhcpcd[8497]: ps_root_recvmsg: Invalid argument May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363442][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363439][ T8377] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363495][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363506][ T8377] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363542][ T8309] do_recvmmsg+0xd77May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 27May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363636][ T8377] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363705][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363764][ T8377] __get_coMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 27May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.363887][ T8377] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:22 syzkaller user.err kernel: [ 2785.363947][ T8309] May 18 04:06:22 syzkaller user.err kernel:May 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.364020][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364067][May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 27May 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364276][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364313][ T8377] ? __ia32_compat_sys_recvmmsg_time32+0x16May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364393][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364461][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364464][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:22 syzkaller user.err kernel: [ 2785.364532][ T8309] May 18 04:06:22 syzkaller user.err kernel: [ 2785.364539][ T8309] Uninit was stored to memory at: May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364530][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364596][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364604][ T8309] __get_compat_msghdr+0x6e1/0May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364650][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:22 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsg: Invalid argument May 18 04:06:22 syzkaller user.warn kerMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.364696][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364719][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:22 syzkaller daemon.info dhcpcd[3049]: eth11: using IPv4LL address 169.254.200.52 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364750][ T83May 18 04:06:22 syzkaller daemonMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364815][ T837May 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.364860][ T8377] RSP: 002b:00000000f58515cc EFLAGS: 00000296 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364922][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.364964][ T8May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365066][ T8377] May 18 04:06:22 syzkaller user.err kernel: [ 2785.365080][ T8377] UMay 18 04:06:22 May 18 04:06:22 syzkaller user.err kernel: [ 2785.365109][ T8309] Uninit was stored to memory atMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365239][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365267][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:22 syzkaller user.warn May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365320][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365347][ T8377] __ia32_compaMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365402][ T8377] __do_fast_syMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365492][ T8309] do_fast_syscall_32+0x34/0x70May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365605][ T830May 18 04:06:22 May 18 04:06:22 syzkaller user.err kernel: [ 2785.365644][ T8377] Uninit was stored to memory atMay 18 04:06:22 syzkaller user.eMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365756][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365787][ TMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365910][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365939][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.365965][ T8377] __do_fast_syscall_32+0May 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366052][ T830May 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.warn kernel: [ 27May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366142][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366165][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:22 syzkaller user.err kernel: [ 2785.366206][ T8377] May 18 04:06:22 syzkaller user.err kernel: [ 2785.366212][ T8377] Uninit was stored to memory at: May 18 04:06:22 syzkaller user.err May 18 04:06:22 syzkaller user.err kernel: [ 2785.366236][ T8309] Uninit was stored to memory at: May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366278][ T8377] __get_comMay 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.366425][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366446][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:22 syzkaller user.warn kernel: [ 27May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366534][ T8377] __do_fast_syscall_32+0x96/0xMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.366560][ T8309] __do_fast_syscall_32+0x96/0xMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.366592][ T8377] do_fast_syscall_32+0x34/0x70May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366675][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366705][ T8377] entry_SYSENTERMay 18 04:06:22 May 18 04:06:22 syzkaller user.eMay 18 04:06:22 syzkaller user.err kernel: [ 2785.366776][ T8377] Uninit was stoMay 18 04:06:22 syzkaller user.err kernel: [ 2785.366794][ T8309May 18 04:06:22 syzkaller user.eMay 18 04:06:22 syzkaller user.eMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.366842][ T8377] __get_compatMay 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.366889][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:22 syzkaller user.warn kernel: [May 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.err kernel: [ 2785.367356][ T8377] May 18 04:06:22 syzkaller user.err kernel: [ 2785.367364][ T8377] Uninit was stored to memorMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.367588][ T837May 18 04:06:22 syzkaller user.wMay 18 04:06:22 syzkaller user.warn kernel: [ 2785.367703][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.367765][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.367825][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.367884][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:22 syzkaller user.err kernel: [ 2785.367951]May 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 syzkaller user.wMay 18 04:06:22 May 18 04:06:22 May 18 04:06:22 syzkaller user.warn kernel: [ 2785.368421][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:22 syMay 18 04:06:23 May 18 04:06:23 syzkaller user.eMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.368622][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.368668][ T8377] get_compat_msghdr+0x108May 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.369061][ T8377] entry_SYSENTMay 18 04:06:23 syzkaller user.err kernel: [ 2785.369128][ T8377] May 18 04:06:23 syzkaller user.err kernel: [ 2785.369137][ TMay 18 04:06:23 syzkaller user.eMay 18 04:06:23 syzkaller user.err kernel: [ 2785.369202][ T8377May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 s[ 2824.298233][T29984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready yzkaller user.wMay 18 04:06:23 May 18 04:06:23 s[ 2824.310941][T29984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready yzkaller user.wMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.541671][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.541735][ T8377] ? kmsanMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 M[ 2824.342759][ T1666] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 ay 18 04:06:23 s[ 2824.351245][ T1666] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 yzkaller user.warn kernel: [ 2785.542027][ T8377] __do_fast_syscall_32+0x96/0xMay 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.542155][ T8377] do_SYSENTER_May 18 04:06:23 syzkaller user.warn kernel: [ 2785.542214][ T8377] entry_SYSENTER_compat_after_May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:06:23 syzkaller user.warn kernel: [ 2785.542318][ T8377] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 1May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.542496][ T8377] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.542524][ T8377] R13: 00May 18 04:06:23 May 18 04:06:23 syzkaller user.eMay 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.544232][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:23 syzkaller userMay 18 04:06:23 May 18 04:06:23 syzkaller user.eMay 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.544513][ T837May 18 04:06:23 syzkaller user.warn kernel: [ 2785.544562][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.544610][ TMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.544666][ T8377] __sys_recvmmM[ 2824.496252][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready ay 18 04:06:23 May 18 04:06:23 syzkaller user.wa[ 2824.507344][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready rn kernel: [ 2785.544781][ T8377] __do_fast_sys[ 2824.518804][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready call_32+0x96/0xf0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.544842][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:23 syzkaller u[ 2824.539670][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready ser.warn kernel: [ 2785.544903]May 18 04:06:23 M[ 2824.550756][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready ay 18 04:06:23 syzkaller user.eMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.545201][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:23 syzkaller user.warn[ 2824.577511][ T8435] device veth0_vlan entered promiscuous mode kernel: [ 2785.545255][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.545310][ T8377]May 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 syzkaller user.warn kernel: [ 2785.545546][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5May 18 04:06:23 syzkaller user.err kernel: [ 2785.545614][ T8377] May 18 04:06:23 syzkaller user.err kernel: [ 2785.545621][ T8377] Uninit wasMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 s[ 2824.633910][ T51] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 yzkaller user.wa[ 2824.642423][ T51] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 rn kernel: [ 2785.546088][ T8377] do_SYSENTER_32+0x1b/0x20 May[ 2824.654893][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 18 04:06:23 syzkaller user.warn kernel: [ 2785.546143][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:23 syzkaller user.err kernel: [ 2785.546208][ T8377] May 18 04:06:23 syzkaller user.err kernel: [ 2785.546215][ T8377] Uninit was stored to memory at: May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546281][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546325][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546368][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.[ 2824.716484][ T8435] device veth1_vlan entered promiscuous mode 546418][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546468][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546520][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546575][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546629][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546684][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:23 syzkaller user.err kernel: [ 2785.546750][ T8377] May 18 04:06:23 syzkaller user.err kernel: [ 2785.546757][ T8377] Uninit was stored to memory at: May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546827][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.546876][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:23 syzkaller daemon.info dhcpcd[3049]: lapb16: probing for an IPv4LL addressMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.546925][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:23 syzkaller user.warMay 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547100][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:23 syzkaller daemon.err dhcpcd[8520]: ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547162][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:23 syzkaller daemon.err dhcpcd[8520]: ps_root_recvmsg: Invalid argument May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547223][ T8377] May 18 04:06:23 syzkaller user.warn kernel: [ 27M[ 2824.867539][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready ay 18 04:06:23 syzkaller user.err kernel: [ 2785[ 2824.879313][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready .547348][ T8377] May 18 04:06:23 syzkaller use[ 2824.891223][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready r.err kernel: [ 2785.547355][ T8377] Uninit was [ 2824.903304][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready stored to memory at: May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547424][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547473][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:23 sy[ 2824.932387][ T8435] device veth0_macvtap entered promiscuous mode zkaller user.warn kernel: [ 2785.547521][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547577][ T8377] May 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547754][ T8377] do_fast_sysca[ 2824.963881][ T8435] device veth1_macvtap entered promiscuous mode ll_32+0x34/0x70 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547815][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.547874][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:23 syzkaller user.err kernel: [ 2785.547941][ T8377] May 18 04:06:23 syzkaller user.err kernelMay 18 04:06:23 syzkaller user.err kernel: [ 2785.547965][ T8377] do_recvmmsg+0xbb/0x2120 May 18 04:06:23 syzkaller user.err kernel: [ 2785.548024][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.703591][ T8309] noMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller daemonMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.703796][ T830May 18 04:06:23 syzkaller user.warn kernel: [ 2785.703853][ T830May 18 04:06:23 syzkaller user.warn kernel: [ 2785.703925][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:23 syzkaller user.warn kernel:May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.wM[ 2825.062113][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 ay 18 04:06:23 syzkaller user.warn kernel: [ 278[ 2825.075484][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 5.704237][ T8309[ 2825.075551][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 ] ? kmsan_get_s[ 2825.075628][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! hadow_origin_ptr[ 2825.075677][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 +0x9b/0xf0 May [ 2825.075751][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 18 04:06:23 syzk[ 2825.075877][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 aller user.warn [ 2825.075948][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! kernel: [ 2785.M[ 2825.076020][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 ay 18 04:06:23 M[ 2825.076090][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ay 18 04:06:23 s[ 2825.076197][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 yzkaller daemon.[ 2825.076266][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! err dhcpcd[8521][ 2825.081498][ T8435] batman_adv: batadv0: Interface activated: batadv_slave_0 : ps_bpf_start_bpf: bpf_open: Invalid argument May 18 04:06:23 syzkaller daemon[ 2825.218810][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready .err dhcpcd[8521]: ps_root_recvMay 18 04:06:23 s[ 2825.230555][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready yzkaller user.wMay 18 04:06:23 syzkaller user.wa[ 2825.242437][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready rn kernel: [ 2785.704579][ T8309] ? kmsan_get_metadata+0x33/0x2[ 2825.254995][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 20 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.704643][ T8309] ? kmsan_get_shadow_origMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.704847][ T8309] get_compat_mMay 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 May 18 04:06:23 May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.705289][ T8309] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.705354][May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.705571][ T830May 18 04:06:23 May 18 04:06:23 syzkaller user.wMay 18 04:06:23 syzkaller user.warn kernel: [ 2785.705766][ T8309] RIP: 0023:0xf6eb3549 May 18 04:06:23 syzkaller user.warn kernel: [ 2785.705797][ T8309] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <[ 2825.346775][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 5d> 5a 59 c3 90 [ 2825.359546][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 90 90 90 66 2e M[ 2825.369732][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 ay 18 04:06:23 syzkaller user.wM[ 2825.384352][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ay 18 04:06:23 s[ 2825.394978][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 yzkaller user.wa[ 2825.406316][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! rn kernel: [ 27M[ 2825.417660][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 ay 18 04:06:23 s[ 2825.429530][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! yzkaller user.wa[ 2825.429625][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 rn kernel: [ 278[ 2825.452596][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 5.705922][ T8309[ 2825.463930][ T8435] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 ] RDX: 00000000f[ 2825.475714][ T8435] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! fffff67 RSI: 0000000000000000 RDI: 000000000000May 18 04:06:23 syzkaller user.wa[ 2825.492770][ T8435] batman_adv: batadv0: Interface activated: batadv_slave_1 rn kernel: [ 2785.705951][ T8309] RBP: 0000000000000000 R08: 0000000000000000 RMay 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 syzkaller user.warn kernel: [ 27May 18 04:06:23 syzkaller user.warn kernel: [ 2785.706051][ T8309] May 18 04:06:23 syzkaller user.err k[ 2825.525109][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready ernel: [ 2785.7May 18 04:06:23 syzkaller user.warn kernel: [ 278[ 2825.538449][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 5.706137][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:23 syzkaller uMay 18 04:06:23 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.706287][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.706345][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.706401][ T8309] __do_fastMay 18 04:06:24 syzkaller user.wMay 18 04:06:24 syzkaller user.wMay 18 04:06:24 syzkaller user.warn kernel: [ 27May 18 04:06:24 May 18 04:06:24 May 18 04:06:24 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.706770][ T8309] get_compat_mMay 18 04:06:24 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.706873][ T8309] __sys_recvmmMay 18 04:06:24 syzkaller user.warn kernel: [ 2785.706928][ T830May 18 04:06:24 s[ 2825.616769][ T8525] not chained 1850000 origins yzkaller user.wM[ 2825.622835][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 ay 18 04:06:24 s[ 2825.631873][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 yzkaller user.wa[ 2825.643318][ T8525] Call Trace: rn kernel: [ 278[ 2825.647982][ T8525] 5.707045][ T830M[ 2825.652293][ T8525] dump_stack_lvl+0x1ff/0x28e ay 18 04:06:24 M[ 2825.658348][ T8525] dump_stack+0x25/0x28 ay 18 04:06:24 s[ 2825.663866][ T8525] kmsan_internal_chain_origin+0x78/0x120 yzkaller user.wM[ 2825.670951][ T8525] ? kmsan_get_metadata+0x33/0x220 ay 18 04:06:24 s[ 2825.677456][ T8525] ? kmsan_get_metadata+0x33/0x220 yzkaller user.er[ 2825.683935][ T8525] ? kmsan_get_metadata+0x33/0x220 r kernel: [ 2785[ 2825.690421][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 .707227][ T8309][ 2825.697602][ T8525] ? preempt_count_sub+0xf8/0x330 May 18 04:06:[ 2825.703993][ T8525] ? kmsan_get_metadata+0x33/0x220 24 syzkaller use[ 2825.710480][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 r.err kernel: [ [ 2825.717660][ T8525] ? should_fail+0x75/0x9c0 2785.707234][ T8[ 2825.723530][ T8525] ? kmsan_get_metadata+0x33/0x220 309] Uninit wasM[ 2825.730017][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 ay 18 04:06:24 s[ 2825.737634][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 yzkaller user.wa[ 2825.745074][ T8525] ? kmsan_get_metadata+0x33/0x220 rn kernel: [ 27M[ 2825.751553][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 ay 18 04:06:24 s[ 2825.758730][ T8525] __msan_chain_origin+0xbf/0x140 yzkaller user.wa[ 2825.765127][ T8525] __get_compat_msghdr+0x6e1/0x9d0 rn kernel: [ 278[ 2825.771626][ T8525] get_compat_msghdr+0x108/0x2c0 5.707351][ T8309[ 2825.777920][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 ] get_compat_ms[ 2825.784142][ T8525] do_recvmmsg+0xd77/0x2120 ghdr+0x108/0x2c0[ 2825.790022][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:2[ 2825.797474][ T8525] ? 0xffffffff81000000 4 syzkaller user[ 2825.802995][ T8525] ? __stack_depot_save+0x21/0x4d0 .warn kernel: [ [ 2825.809476][ T8525] ? kmsan_get_metadata+0x33/0x220 2785.707397][ TM[ 2825.815955][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 ay 18 04:06:24 s[ 2825.823578][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 yzkaller user.wa[ 2825.831454][ T8525] __sys_recvmmsg+0x51c/0x6f0 rn kernel: [ 27M[ 2825.837509][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ay 18 04:06:24 s[ 2825.845295][ T8525] __do_fast_syscall_32+0x96/0xf0 yzkaller user.wa[ 2825.851688][ T8525] do_fast_syscall_32+0x34/0x70 rn kernel: [ 278[ 2825.857907][ T8525] do_SYSENTER_32+0x1b/0x20 5.707513][ T830M[ 2825.863780][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c ay 18 04:06:24 s[ 2825.871475][ T8525] RIP: 0023:0xf6e9f549 yzkaller user.wa[ 2825.876919][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 rn kernel: [ 278[ 2825.897908][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 5.707568][ T8309[ 2825.907693][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 ] __do_fast_sys[ 2825.917043][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 call_32+0x96/0xM[ 2825.926394][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 ay 18 04:06:24 s[ 2825.935742][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 yzkaller user.wM[ 2825.945092][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ay 18 04:06:24 M[ 2825.954463][ T8525] ay 18 04:06:24 M[ 2825.958993][ T8525] Uninit was stored to memory at: ay 18 04:06:24 s[ 2825.965431][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2825.965490][ T8525] get_compat_msghdr+0x108/0x2c0 yzkaller user.er[ 2825.965538][ T8525] do_recvmmsg+0xd77/0x2120 r kernel: [ 2785[ 2825.965596][ T8525] __sys_recvmmsg+0x51c/0x6f0 .707812][ T8309M[ 2825.988567][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ay 18 04:06:24 s[ 2825.996409][ T8525] __do_fast_syscall_32+0x96/0xf0 yzkaller user.eM[ 2826.002740][ T8525] do_fast_syscall_32+0x34/0x70 ay 18 04:06:24 s[ 2826.008954][ T8525] do_SYSENTER_32+0x1b/0x20 yzkaller user.wa[ 2826.014954][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c rn kernel: [ 278[ 2826.022635][ T8525] 5.707885][ T8309[ 2826.026248][ T8525] Uninit was stored to memory at: ] __get_compat_[ 2826.032825][ T8525] __get_compat_msghdr+0x6e1/0x9d0 msghdr+0x6e1/0x9[ 2826.039194][ T8525] get_compat_msghdr+0x108/0x2c0 d0 May 18 04:06[ 2826.045629][ T8525] do_recvmmsg+0xd77/0x2120 :24 syzkaller us[ 2826.051381][ T8525] __sys_recvmmsg+0x51c/0x6f0 er.warn kernel: [ 2826.057577][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2785.707934][ [ 2826.065233][ T8525] __do_fast_syscall_32+0x96/0xf0 T8309] get_comp[ 2826.072773][ T8525] do_fast_syscall_32+0x34/0x70 at_msghdr+0x108/[ 2826.078975][ T8525] do_SYSENTER_32+0x1b/0x20 0x2c0 May 18 04[ 2826.084952][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c :06:24 syzkaller[ 2826.092688][ T8525] user.warn kerne[ 2826.096375][ T8525] Uninit was stored to memory at: l: [ 2785.707982[ 2826.102956][ T8525] __get_compat_msghdr+0x6e1/0x9d0 ][ T8309] do_re[ 2826.109252][ T8525] get_compat_msghdr+0x108/0x2c0 cvmmsg+0xd77/0x2[ 2826.115675][ T8525] do_recvmmsg+0xd77/0x2120 120 May 18 04:0[ 2826.121430][ T8525] __sys_recvmmsg+0x51c/0x6f0 6:24 syzkaller u[ 2826.127612][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ser.warn kernel:[ 2826.135296][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2785.708036][[ 2826.141575][ T8525] do_fast_syscall_32+0x34/0x70 T8309] __sys_r[ 2826.147915][ T8525] do_SYSENTER_32+0x1b/0x20 ecvmmsg+0x51c/0x[ 2826.153764][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 6f0 May 18 04:0[ 2826.161374][ T8525] 6:24 syzkaller u[ 2826.165198][ T8525] Uninit was stored to memory at: ser.warn kernel:[ 2826.171550][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2785.708093][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:24 syzkaller user.warn kern[ 2826.178105][ T8525] get_compat_msghdr+0x108/0x2c0 el: [ 2785.708149][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.708207][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.708268][ T8309][ 2826.178161][ T8525] do_recvmmsg+0xd77/0x2120 do_SYSENTER_32[ 2826.178219][ T8525] __sys_recvmmsg+0x51c/0x6f0 +0x1b/0x20 May [ 2826.178276][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 18 04:06:24 syzk[ 2826.178333][ T8525] __do_fast_syscall_32+0x96/0xf0 aller user.warn [ 2826.178395][ T8525] do_fast_syscall_32+0x34/0x70 kernel: [ 2785.M[ 2826.178462][ T8525] do_SYSENTER_32+0x1b/0x20 ay 18 04:06:24 s[ 2826.178522][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c yzkaller user.eM[ 2826.178590][ T8525] ay 18 04:06:24 M[ 2826.178599][ T8525] Uninit was stored to memory at: ay 18 04:06:24 M[ 2826.178671][ T8525] __get_compat_msghdr+0x6e1/0x9d0 ay 18 04:06:24 M[ 2826.178719][ T8525] get_compat_msghdr+0x108/0x2c0 ay 18 04:06:24 s[ 2826.178768][ T8525] do_recvmmsg+0xd77/0x2120 yzkaller daemon.[ 2826.178824][ T8525] __sys_recvmmsg+0x51c/0x6f0 info dhcpcd[3049[ 2826.178880][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ]: eth12: adding route to 169.2M[ 2826.178939][ T8525] __do_fast_syscall_32+0x96/0xf0 ay 18 04:06:24 syzkaller user.warn kernel: [ 2785.708518][ T8309] get_compat_msghdr+0x108/0x2c0[ 2826.179001][ T8525] do_fast_syscall_32+0x34/0x70 May 18 04:06:2[ 2826.179061][ T8525] do_SYSENTER_32+0x1b/0x20 4 syzkaller daem[ 2826.179120][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c on.err dhcpcd[30[ 2826.179187][ T8525] 49]: script_runr[ 2826.179195][ T8525] Uninit was stored to memory at: eason: Bad messa[ 2826.179269][ T8525] __get_compat_msghdr+0x6e1/0x9d0 ge May 18 04:06[ 2826.179324][ T8525] get_compat_msghdr+0x108/0x2c0 :24 syzkaller us[ 2826.179374][ T8525] do_recvmmsg+0xd77/0x2120 er.warn kernel: [ 2826.179431][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2785.708566][ [ 2826.179496][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 T8309] do_recvm[ 2826.179555][ T8525] __do_fast_syscall_32+0x96/0xf0 msg+0xd77/0x2120[ 2826.179617][ T8525] do_fast_syscall_32+0x34/0x70 May 18 04:06:2[ 2826.179678][ T8525] do_SYSENTER_32+0x1b/0x20 4 syzkaller daem[ 2826.179738][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c on.info dhcpcd[3049]: lapb14: using IPv4LL address 169.254.132.May 18 04:06:24 syzkaller user.wM[ 2826.179806][ T8525] ay 18 04:06:24 syzkaller user.warn kernel: [ 2785.708676][ T8309] __ia32_compaMay 18 04:06:24 syzkaller user.warn kernel: [ 2785.708732][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.708792][ T8309] do_fast_syscall_32+0x34/May 18 04:06:24 May 18 04:06:24 syzkaller user.wa[ 2826.179814][ T8525] Uninit was stored to memory at: rn kernel: [ 2785.708909][ T830May 18 04:06:24 syzkaller user.er[ 2826.179882][ T8525] __get_compat_msghdr+0x6e1/0x9d0 r kernel: [ 2785[ 2826.179930][ T8525] get_compat_msghdr+0x108/0x2c0 .708974][ T8309][ 2826.179976][ T8525] do_recvmmsg+0xd77/0x2120 May 18 04:06:[ 2826.180031][ T8525] __sys_recvmmsg+0x51c/0x6f0 24 syzkaller use[ 2826.180086][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 r.err kernel: [ [ 2826.180143][ T8525] __do_fast_syscall_32+0x96/0xf0 2785.708981][ T8[ 2826.180204][ T8525] do_fast_syscall_32+0x34/0x70 309] Uninit was [ 2826.180263][ T8525] do_SYSENTER_32+0x1b/0x20 stored to memory[ 2826.180322][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c at: May 18 04:06:24 syzkaller [ 2826.180388][ T8525] daemon.err dhcpc[ 2826.180397][ T8525] Local variable msg_sys created at: d[3049]: ps_root_recvmsg: Invali[ 2826.180411][ T8525] do_recvmmsg+0xbb/0x2120 d argument May [ 2826.180471][ T8525] __sys_recvmmsg+0x51c/0x6f0 18 04:06:24 syzkaller user.warn kernel: [ 2785.709049][ T8309] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709097][ T8309] get_compat_msghdr+0x108/0x2c0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709144][ T8309] do_recvmmsg+0xd77/0x2120 May 18 04:06:24 syzkaller daemon.info dhcpcd[3049]: lapb14: adding route to 169.254.0.0/16 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709200][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:24 sMay 18 04:06:24 syzkaller user.warn kernel: [ 27May 18 04:06:24 syzkaller user.warn kernel: [ 27May 18 04:06:24 syzkaller user.warn kernel: [ 27May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709436][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709495][ T8309]May 18 04:06:24 syzkaller user.eMay 18 04:06:24 syzkaller user.err kernel: [ 2785.709576][ T8309May 18 04:06:24 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad messageMay 18 04:06:24 May 18 04:06:24 syzkaller daemon.err dhcpcd[3049May 18 04:06:24 syzkaller user.warn kernel: [ 27May 18 04:06:24 syzkaller daemonMay 18 04:06:24 syzkaller user.warn kernel: [ 27May 18 04:06:24 syzkaller user.warn kernel: [ 27May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709858][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709916][ T8309] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.709982][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.710043][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.710102][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:24 syzkaller user.err kernel: [ 2785.710169][ T8309] May 18 04:06:24 syzkaller user.err kernel: [ 2785.710178][ T8309] Local variable msg_sys created at: May 18 04:06:24 syzkaller user.err kernel: [ 2785.710193][ T8309] do_recvmmsg+0xbb/0x2120 May 18 04:06:24 syzkaller user.err kernel: [ 2785.710246][ T8309] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:24 syzkaller user.warn kernel: [ 2785.855242][ T8309] not chained 1650000 origins May 18 04:06:24 syzkaller user.crit kernel: [ 2785.894199][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid May 18 04:06:24 syzkaller user.warn kernel: [ 2785.897716][ T8309] CPU: 1 PID: 8309 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 May 18 04:06:24 syzkaller user.warn kernel: [ 2786.121695][ T8377] not chained 1660000 origins May 18 04:06:25 syzkaller daemon.warn dhcpcd[3049]: eth10: no IPv6 Routers available May 18 04:06:25 syzkaller user.warn kernel: [ 2786.122376][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:06:25 syzkaller daemon.warn dhcpcd[3049]: eth11: no IPv6 Routers available May 18 04:06:25 syzkaller daemon.warn dhcpcd[3049]: eth12: no IPv6 Routers available May 18 04:06:25 syzkaller user.warn kernel: [ 2786.122405][ T8309] Call Trace: May 18 04:06:25 syzkaller user.warn kernel: [ 2786.122420][ T8309] May 18 04:06:25 syzkaller user.warn kernel: [ 2786.122437][ T8309] dump_stack_lvl+0x1ff/0x28e May 18 04:06:25 syzkaller user.warn kernel: [ 2786.122518][ T8309] dump_stack+0x25/0x28 May 18 04:06:25 syzkaller user.warn kernel: [ 2786.122577][ T8309] kmsan_internal_chain_origin+0x78/0x120 May 18 04:06:25 syzkaller user.warn kernel: [ 2786.122648][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325320][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325392][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:25 syzkaller daemon.info dhcpcd[3049]: lapb17: probing for an IPv4LL address May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325465][ T8309] ? preempt_count_sub+0xf8/0x330 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325509][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325568][ T8309] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325634][ T8309] ? should_fail+0x75/0x9c0 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325676][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325735][ T8309] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325799][ T8309] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325862][ T8309] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.325921][ T8309] ? kmsan_geMay 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.326298][ T8309] ? 0xffffffffMay 18 04:06:25 syzkaller user.warn kernel: [ 2788.326335][ T830May 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.warn kernel: [ 27May 18 04:06:25 syzkaller user.warn kernel: [ 27May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.warn kernel: [ 2788.326779][ T8309] do_fast_syscall_32+0x34/0x70 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.326838][ T8309] do_SYSENTER_32+0x1b/0x20 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.326894][ T8309] entry_SYSENTMay 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.warn kernel: [ 27May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.327773][ T830May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 syzkaller user.warn kernel: [ 2788.327840][ T8377] ? kmsan_get_shadow_origin_ptMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.warn kernel: [ 2788.328088][ T837May 18 04:06:25 syzkaller user.warn kernel: [ 2788.328109][ T8309] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:25 syzkaller user.err kernel: [ 2788.328173][ T8309] May 18 04:06:25 syzkaller user.warn kernel: [ 2788.328155][ T8377] ? kmsMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 syzkaller user.warn kernel: [ 27May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:25 May 18 04:06:25 syzkaller user.wMay 18 04:06:25 May 18 04:06:25 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.328756][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.328819][ T8309] __get_cMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.329037][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:26 syzkaller user.warn kernel: [May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.329171][ T8377] do_fast_syscall_32+0x34/0x70May 18 04:06:26 syzkaller user.warn kernel: [ 2788.329175][ T8309] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.329294][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.329476][ T8377] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.329509]May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 syzkaller user.err kernel: [ 2788.330220][ T8377] Uninit was stored to memory atMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.err kernel: [ 278May 18 04:06:26 syzkaller user.err kernel: [ 278May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.331703][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:26 syzkaller usMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.332140][ T8377] __get_compat_msghdr+0x6e1/0xMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.332342][ T837May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 syzkaller daemon.info dhcpcd[3049]: lapb15: usinMay 18 04:06:26 M[ 2827.513408][ T2821] EXT4-fs error: 926 callbacks suppressed ay 18 04:06:26 s[ 2827.513476][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid yzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller daemon.info dhcpcd[304May 18 04:06:26 May 18 04:06:26 M[ 2827.545298][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:26 M[ 2827.550697][ T8548] EXT4-fs error (device sda1): ext4_lookup:1785: inode #146: comm modprobe: iget: checksum invalid ay 18 04:06:26 M[ 2827.570044][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 M[ 2827.593906][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.333678][ T8377[ 2827.613274][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ] do_SYSENTER_32+0x1b/0x20 May 18 04:06:26 syMay 18 04:06:26 syzkaller user.eMay 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2788.354001][ T119May 18 04:06:26 May 18 04:06:26 syzkaller user.crit kernel: [ 2788.689771][ T2839[ 2827.650427][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ] EXT4-fs error (device sda1): e[ 2827.663858][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid xt4_lookup:1785: inode #528: comm udevd: iget: checksum invalid May 18 04:06:26 syzkaller user.crit kernel: [ 2788.690282][ T2May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 M[ 2827.690031][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid ay 18 04:06:26 syzkaller user.crit kernel: [ 27May 18 04:06:26 syzkaller user.crit kernel: [ 2790.224543][ T2821] EXT4-fs error (device sda1): M[ 2827.712810][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ay 18 04:06:26 syzkaller user.cMay 18 04:06:26 May 18 04:06:26 syzkaller user.iMay 18 04:06:26 May 18 04:06:26 syzkaller user.wa[ 2827.734061][ T51] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 rn kernel: [ 279[ 2827.742687][ T51] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 0.489939][ T8377] not chained 1May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 s[ 2827.777352][T11557] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready yzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.497211][ T8377] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:26 syzkaller user.warn kernel:May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.500072][ T8377] get_compat_mMay 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.500191][ T8377[ 2827.918134][ T3548] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 ] __sys_recvmmM[ 2827.926512][ T3548] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.err kernel: [ 279May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 27May 18 04:06:26 May 18 04:06:26 M[ 2827.940956][T29205] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.err kernel: [ 279May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.err kernel: [ 279May 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 syzkaller user.wMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.eMay 18 04:06:26 May 18 04:06:26 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.502744][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.502801][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.502856][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.502912][ T8377] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.502974][ T8377] do_fast_syscall_32+0x34/0x70 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.503039][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.503097][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:26 syzkaller user.err kernel: [ 2790.503163][ T8377] May 18 04:06:26 syzkaller user.err kernel: [ 2790.503172][ T8377] Local variable msg_sys created at: May 18 04:06:26 syzkaller user.err kernel: [ 2790.503187][ T8377] do_recvmmsg+0xbb/0x2120 May 18 04:06:26 syzkaller user.err kernel: [ 2790.503240][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:26 syzkaller user.warn kernel: [ 2790.858403][ T8377] not chained 1680000 origins May 18 04:06:26 syzkaller user.warn kernel: [ 2791.424405][ T8377] CPU: 1 PID: 8377 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 May 18 04:06:26 syzkaller user.warn kernel: [ 2791.424474][ T8377] Hardware name: Google Google Compute Engine/Google Comp[ 2828.151663][ T8525] not chained 1860000 origins ute Engine, BIOS[ 2828.158162][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2828.158216][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2828.158242][ T8525] Call Trace: [ 2828.158257][ T8525] [ 2828.158272][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2828.158347][ T8525] dump_stack+0x25/0x28 [ 2828.158405][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2828.158477][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2828.158544][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2828.158609][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2828.158688][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2828.158736][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2828.158801][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2828.158874][ T8525] ? should_fail+0x75/0x9c0 [ 2828.158921][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2828.158987][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2828.159057][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2828.159127][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2828.159192][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 Google 01/01/20[ 2828.263076][ T8525] __msan_chain_origin+0xbf/0x140 11 May 18 04:06[ 2828.263156][ T8525] __get_compat_msghdr+0x6e1/0x9d0 :26 syzkaller us[ 2828.263230][ T8525] get_compat_msghdr+0x108/0x2c0 er.warn kernel: [ 2828.263287][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2791.424501][ [ 2828.263354][ T8525] do_recvmmsg+0xd77/0x2120 T8377] Call Trac[ 2828.263419][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 e: May 18 04:06[ 2828.263497][ T8525] ? 0xffffffff81000000 :26 syzkaller us[ 2828.263536][ T8525] ? __stack_depot_save+0x21/0x4d0 er.warn kernel: [ 2828.263600][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2791.424516][ [ 2828.263669][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 T8377] [ 2828.263741][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:26 [ 2828.263803][ T8525] __sys_recvmmsg+0x51c/0x6f0 syzkaller user.w[ 2828.263876][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 arn kernel: [ 27[ 2828.263947][ T8525] __do_fast_syscall_32+0x96/0xf0 91.424531][ T837[ 2828.264020][ T8525] do_fast_syscall_32+0x34/0x70 7] dump_stack_l[ 2828.264083][ T8525] do_SYSENTER_32+0x1b/0x20 vl+0x1ff/0x28e [ 2828.264144][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:26 [ 2828.264214][ T8525] RIP: 0023:0xf6e9f549 syzkaller user.w[ 2828.264246][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 arn kernel: [ 27[ 2828.264294][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 91.453856][ T837[ 2828.264340][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 7] dump_stack+0[ 2828.264372][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 x25/0x28 May 18[ 2828.264401][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 04:06:26 syzkal[ 2828.264448][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 ler user.warn ke[ 2828.264476][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rnel: [ 2791.458[ 2828.264517][ T8525] 074][ T8377] km[ 2828.267735][ T8525] Uninit was stored to memory at: san_internal_chain_origin+0x78/0x120 May 18 04:[ 2828.473294][ T8525] __get_compat_msghdr+0x6e1/0x9d0 06:26 syzkaller [ 2828.473350][ T8525] get_compat_msghdr+0x108/0x2c0 user.warn kernel[ 2828.473399][ T8525] do_recvmmsg+0xd77/0x2120 : [ 2791.463857][ 2828.473457][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ T8377] ? kmsa[ 2828.473515][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 n_get_metadata+0[ 2828.473573][ T8525] __do_fast_syscall_32+0x96/0xf0 x33/0x220 May 1[ 2828.473638][ T8525] do_fast_syscall_32+0x34/0x70 8 04:06:26 syzka[ 2828.473699][ T8525] do_SYSENTER_32+0x1b/0x20 ller user.warn k[ 2828.473758][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c ernel: [ 2791.46[ 2828.473827][ T8525] 9035][ T8377] ?[ 2828.473836][ T8525] Uninit was stored to memory at: kmsan_get_metad[ 2828.473905][ T8525] __get_compat_msghdr+0x6e1/0x9d0 ata+0x33/0x220 [ 2828.473954][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:06:26 [ 2828.474002][ T8525] do_recvmmsg+0xd77/0x2120 syzkaller user.w[ 2828.474066][ T8525] __sys_recvmmsg+0x51c/0x6f0 arn kernel: [ 27[ 2828.474123][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 91.474212][ T837[ 2828.474181][ T8525] __do_fast_syscall_32+0x96/0xf0 7] ? kmsan_get_[ 2828.474243][ T8525] do_fast_syscall_32+0x34/0x70 metadata+0x33/0x[ 2828.474303][ T8525] do_SYSENTER_32+0x1b/0x20 220 May 18 04:0[ 2828.474362][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 6:27 syzkaller u[ 2828.474428][ T8525] ser.warn kernel:[ 2828.474436][ T8525] Uninit was stored to memory at: [ 2791.479385][[ 2828.474649][ T8525] __get_compat_msghdr+0x6e1/0x9d0 T8377] ? kmsan[ 2828.474698][ T8525] get_compat_msghdr+0x108/0x2c0 _get_shadow_orig[ 2828.474746][ T8525] do_recvmmsg+0xd77/0x2120 in_ptr+0x9b/0xf0[ 2828.474802][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:2[ 2828.474859][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 7 syzkaller user[ 2828.474917][ T8525] __do_fast_syscall_32+0x96/0xf0 .warn kernel: [ [ 2828.474979][ T8525] do_fast_syscall_32+0x34/0x70 2791.485260][ T8[ 2828.475044][ T8525] do_SYSENTER_32+0x1b/0x20 377] ? preempt_[ 2828.475104][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c count_sub+0xf8/0[ 2828.475170][ T8525] x330 May 18 04:[ 2828.475178][ T8525] Uninit was stored to memory at: 06:27 syzkaller [ 2828.475247][ T8525] __get_compat_msghdr+0x6e1/0x9d0 user.warn kernel[ 2828.475296][ T8525] get_compat_msghdr+0x108/0x2c0 : [ 2791.490326][ 2828.475343][ T8525] do_recvmmsg+0xd77/0x2120 [ T8377] ? kmsa[ 2828.475399][ T8525] __sys_recvmmsg+0x51c/0x6f0 n_get_metadata+0[ 2828.475456][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 x33/0x220 May 1[ 2828.475514][ T8525] __do_fast_syscall_32+0x96/0xf0 8 04:06:27 syzka[ 2828.475576][ T8525] do_fast_syscall_32+0x34/0x70 ller user.warn k[ 2828.475637][ T8525] do_SYSENTER_32+0x1b/0x20 ernel: [ 2791.49[ 2828.475696][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 5498][ T8377] ?[ 2828.475763][ T8525] kmsan_get_shado[ 2828.475770][ T8525] Uninit was stored to memory at: w_origin_ptr+0x9[ 2828.475839][ T8525] __get_compat_msghdr+0x6e1/0x9d0 b/0xf0 May 18 0[ 2828.476034][ T8525] get_compat_msghdr+0x108/0x2c0 4:06:27 syzkalle[ 2828.476083][ T8525] do_recvmmsg+0xd77/0x2120 r user.warn kern[ 2828.476140][ T8525] __sys_recvmmsg+0x51c/0x6f0 el: [ 2791.50146[ 2828.476197][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 2][ T8377] ? sh[ 2828.476255][ T8525] __do_fast_syscall_32+0x96/0xf0 ould_fail+0x75/0[ 2828.476317][ T8525] do_fast_syscall_32+0x34/0x70 x9c0 May 18 04:[ 2828.476378][ T8525] do_SYSENTER_32+0x1b/0x20 06:27 syzkaller [ 2828.476437][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c user.warn kernel[ 2828.476503][ T8525] : [ 2791.506004][ 2828.476511][ T8525] Uninit was stored to memory at: [ T8377] ? kmsa[ 2828.476579][ T8525] __get_compat_msghdr+0x6e1/0x9d0 n_get_metadata+0[ 2828.476628][ T8525] get_compat_msghdr+0x108/0x2c0 x33/0x220 May 1[ 2828.476676][ T8525] do_recvmmsg+0xd77/0x2120 8 04:06:27 syzka[ 2828.476733][ T8525] __sys_recvmmsg+0x51c/0x6f0 ller daemon.err [ 2828.476790][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 dhcpcd[8549]: ps[ 2828.476845][ T8525] __do_fast_syscall_32+0x96/0xf0 _bpf_start_bpf: bpf_open: InvalMay 18 04:06:27 May 18 04:06:27 M[ 2828.863242][ T8525] do_fast_syscall_32+0x34/0x70 ay 18 04:06:27 syzkaller user.wMay 18 04:06:27 syzkaller user.warn kernel: [ 2791.523597][ T8377] ? kmsan_get_metadata+0x33/0xM[ 2828.863315][ T8525] do_SYSENTER_32+0x1b/0x20 ay 18 04:06:27 May 18 04:06:27 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.539699][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.544869][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.549851[ 2828.863373][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c ][ T8377] ? __s[ 2828.863442][ T8525] ys_recvmmsg+0x51c/0x6f0 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.554758][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.559313][ T8377] ? xfd_validate_state+0xd1/0x2d0 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.564568][ T8377] ? 0xffffffff81000000 May 18 04:06:27 syzkaller [ 2828.863450][ T8525] Uninit was stored to memory at: user.warn kernel[ 2828.863519][ T8525] __get_compat_msghdr+0x6e1/0x9d0 : [ 2791.568756][ T8377] ? __sMay 18 04:06:27 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.579086][ T837May 18 04:06:27 syzkaller user.warn kernel: [ 2791.585387][ T8377] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:27 syzkaller uMay 18 04:06:27 May 18 04:06:27 syzkaller user.wMay 18 04:06:27 syzkaller user.warn kernel: [ 2791.608152][ T8377[ 2828.863568][ T8525] get_compat_msghdr+0x108/0x2c0 ] do_fast_syscMay 18 04:06:27 syzkaller user.warn kernel: [ 2791.613054][ T8377] do_SYSENTER_32+0x1b/0x20 May 18 04:06:27 syz[ 2828.863616][ T8525] do_recvmmsg+0xd77/0x2120 kaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:06:27 syzkaller use[ 2828.863673][ T8525] __sys_recvmmsg+0x51c/0x6f0 r.warn kernel: May 18 04:06:27 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.623992][ T837May 18 04:06:27 May 18 04:06:27 syzkaller user.wM[ 2828.863729][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ay 18 04:06:27 May 18 04:06:27 syzkaller user.warn kernel: [ 2791.664170][ T8377] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18 04:06:27 syzkaller M[ 2828.863786][ T8525] __do_fast_syscall_32+0x96/0xf0 ay 18 04:06:27 syzkaller user.wMay 18 04:06:27 May 18 04:06:27 May 18 04:06:27 syzkaller user.err kernel: [ 2791.699448][ T8377May 18 04:06:27 May 18 04:06:27 May 18 04:06:27 syzkaller user.wMay 18 04:06:27 s[ 2828.863845][ T8525] do_fast_syscall_32+0x34/0x70 yzkaller user.warn kernel: [ 2791.719385][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:27 syzkaller user.warn kernel: [ 279[ 2828.863905][ T8525] do_SYSENTER_32+0x1b/0x20 1.724188][ T8377] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:27 syzkaller user[ 2828.863963][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c .warn kernel: [ 2791.730559][ T8[ 2828.864034][ T8525] 377] __do_fastM[ 2828.864043][ T8525] Local variable msg_sys created at: ay 18 04:06:27 syzkaller user.wMay 18 04:06:27 May 18 04:06:27 syzkaller user.wMay 18 04:06:27 May 18 04:06:27 May 18 04:06:27 May 18 04:06:27 syzkaller user.wM[ 2828.864057][ T8525] do_recvmmsg+0xbb/0x2120 ay 18 04:06:27 syzkaller user.wMay 18 04:06:27 syzkaller user.wa[ 2828.864111][ T8525] __sys_recvmmsg+0x51c/0x6f0 rn kernel: [ 2791.773979][ T8377] __sys_recvmms[ 2829.051209][ T8525] not chained 1870000 origins g+0x51c/0x6f0 M[ 2829.051387][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 ay 18 04:06:27 syzkaller user.wa[ 2829.051438][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 rn kernel: [ 2791.778705][ T837May 18 04:06:27 May 18 04:06:27 May 18 04:06:27 syzkaller user.wMay 18 04:06:27 syzkaller user.warn kernel: [ 279[ 2829.051464][ T8525] Call Trace: 1.799782][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:27 syzkaller user.err kernel: [ 2791.806268][ T83[ 2829.051480][ T8525] 77] [ 2829.051496][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2829.051571][ T8525] dump_stack+0x25/0x28 [ 2829.051630][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2829.051702][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.051774][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.051839][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2829.051913][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2829.051961][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.052032][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2829.052106][ T8525] ? should_fail+0x75/0x9c0 [ 2829.052153][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.052218][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2829.052289][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2829.052360][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.052426][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2829.052496][ T8525] __msan_chain_origin+0xbf/0x140 May 18 04:06:27 [ 2829.052562][ T8525] __get_compat_msghdr+0x6e1/0x9d0 syzkaller user.e[ 2829.052637][ T8525] get_compat_msghdr+0x108/0x2c0 rr kernel: [ 279[ 2829.052695][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 1.808597][ T8377] Uninit was sto[ 2829.052762][ T8525] do_recvmmsg+0xd77/0x2120 red to memory at[ 2829.052828][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 : [ 2829.052910][ T8525] ? 0xffffffff81000000 [ 2829.052950][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2829.053013][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.053083][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2829.053157][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.053223][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.053298][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.053369][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.053438][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.053503][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.053566][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.053638][ T8525] RIP: 0023:0xf6e9f549 [ 2829.053671][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2829.053719][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2829.053765][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2829.053799][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2829.053830][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2829.053858][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2829.053887][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2829.053930][ T8525] [ 2829.054386][ T8525] Uninit was stored to memory at: [ 2829.054461][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.054512][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.054560][ T8525] do_recvmmsg+0xd77/0x2120 [ 2829.054616][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.054673][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.054731][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.054794][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.054855][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.054914][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.054982][ T8525] [ 2829.054990][ T8525] Uninit was stored to memory at: [ 2829.055065][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.055114][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.055163][ T8525] do_recvmmsg+0xd77/0x2120 [ 2829.055220][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.055277][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.055335][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.055396][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.055457][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.055665][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.055733][ T8525] [ 2829.055741][ T8525] Uninit was stored to memory at: [ 2829.055810][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.055859][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.055907][ T8525] do_recvmmsg+0xd77/0x2120 [ 2829.055964][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.056021][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.056084][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.056145][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.056206][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.056265][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.056334][ T8525] [ 2829.056341][ T8525] Uninit was stored to memory at: [ 2829.056410][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.056460][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.056508][ T8525] do_recvmmsg+0xd77/0x2120 [ 2829.056565][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.056622][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.056681][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.056743][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.056804][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.056864][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.057093][ T8525] [ 2829.057101][ T8525] Uninit was stored to memory at: [ 2829.057170][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.057219][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.057268][ T8525] do_recvmmsg+0xd77/0x2120 [ 2829.057324][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.057382][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.057439][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.057501][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.057562][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.057621][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.057688][ T8525] [ 2829.057696][ T8525] Uninit was stored to memory at: [ 2829.057765][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.057816][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.057864][ T8525] do_recvmmsg+0xd77/0x2120 [ 2829.057921][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.057977][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.058041][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.058102][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.058164][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.058223][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.058291][ T8525] [ 2829.058298][ T8525] Uninit was stored to memory at: [ 2829.058512][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.058562][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.058610][ T8525] do_recvmmsg+0xd77/0x2120 [ 2829.058667][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.058724][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2829.058782][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2829.058844][ T8525] do_fast_syscall_32+0x34/0x70 [ 2829.058904][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2829.058963][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2829.059036][ T8525] [ 2829.059045][ T8525] Local variable msg_sys created at: [ 2829.059060][ T8525] do_recvmmsg+0xbb/0x2120 [ 2829.059113][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2829.310705][ T8525] not chained 1880000 origins [ 2829.777757][ T8552] not chained 1890000 origins [ 2829.781612][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2829.781661][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2829.781688][ T8525] Call Trace: [ 2829.781703][ T8525] [ 2829.781718][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2829.781793][ T8525] dump_stack+0x25/0x28 [ 2829.781849][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2829.781917][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.781988][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.782053][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2829.782123][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2829.782169][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.782231][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2829.782301][ T8525] ? should_fail+0x75/0x9c0 [ 2829.782346][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.782413][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2829.782482][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2829.782549][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2829.782611][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2829.782677][ T8525] __msan_chain_origin+0xbf/0x140 [ 2829.782741][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2829.782814][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2829.782874][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2829.782943][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.055078][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2830.055168][ T8525] ? 0xffffffff81000000 [ 2830.055205][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2830.055264][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2830.055323][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.055390][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.055457][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.055526][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.055590][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.055655][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.055715][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2830.055771][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.055837][ T8525] RIP: 0023:0xf6e9f549 [ 2830.055866][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2830.055910][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2830.055952][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2830.055982][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2830.056009][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2830.056035][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2830.056061][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2830.056099][ T8525] [ 2830.056116][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2830.056163][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2830.056188][ T8552] Call Trace: [ 2830.056203][ T8552] [ 2830.056218][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2830.056291][ T8525] Uninit was stored to memory at: [ 2830.056285][ T8552] dump_stack+0x25/0x28 [ 2830.056340][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2830.056359][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.056407][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.056403][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.056458][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.056465][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.056512][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.056528][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.056574][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.056590][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.056629][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.056661][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2830.056687][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.056708][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.056744][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2830.056770][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.056799][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.056839][ T8552] ? should_fail+0x75/0x9c0 [ 2830.056863][ T8525] [ 2830.056871][ T8525] Uninit was stored to memory at: [ 2830.056883][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.056935][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.056949][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.056982][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.057017][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2830.057033][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.057084][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.057087][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.057142][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.057145][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.057197][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.057212][ T8552] __msan_chain_origin+0xbf/0x140 May 18 04:06:27 [ 2830.057256][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.057274][ T8552] __get_compat_msghdr+0x6e1/0x9d0 syzkaller user.w[ 2830.057314][ T8525] do_SYSENTER_32+0x1b/0x20 arn kernel: [ 27[ 2830.057342][ T8552] get_compat_msghdr+0x108/0x2c0 91.813760][ T837[ 2830.057371][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 7] __get_compat[ 2830.057397][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2830.057445][ T8525] _msghdr+0x6e1/0x[ 2830.057452][ T8525] Uninit was stored to memory at: [ 2830.057461][ T8552] do_recvmmsg+0xd77/0x2120 9d0 [ 2830.057523][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.057523][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2830.057570][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.057589][ T8552] ? 0xffffffff81000000 [ 2830.057616][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.057628][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2830.057670][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.057688][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.057724][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.057749][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.057779][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.057820][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.057839][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.057882][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.057897][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2830.057953][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.057959][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.058017][ T8525] [ 2830.058024][ T8525] Uninit was stored to memory at: [ 2830.058026][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.058089][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.058091][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.058141][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.058154][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.058187][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.058215][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.058241][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.058281][ T8552] RIP: 0023:0xf6f00549 [ 2830.058295][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.058311][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2830.058356][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2830.058351][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.058383][ T8552] ORIG_RAX: 0000000000000151 [ 2830.058398][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2830.058431][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2830.058411][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.058460][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2830.058488][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2830.058477][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2830.058516][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2830.058557][ T8552] [ 2830.058534][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.058571][ T8552] Uninit was stored to memory at: [ 2830.058598][ T8525] [ 2830.058605][ T8525] Uninit was stored to memory at: [ 2830.058638][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.058670][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.058685][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.058717][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.058731][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.058763][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.058785][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.058816][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.058839][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.058871][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.058895][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.058926][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.059002][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.059052][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.059065][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.059110][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2830.059121][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.059186][ T8552] [ 2830.059167][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.059194][ T8552] Uninit was stored to memory at: [ 2830.059231][ T8525] [ 2830.059238][ T8525] Uninit was stored to memory at: [ 2830.059266][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.059303][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.059312][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.059350][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.059359][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.059397][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.059451][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.059454][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.059506][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.059509][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.059561][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.059566][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.059620][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.059625][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.059679][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2830.059683][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.059736][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.059740][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.059800][ T8525] [ 2830.059805][ T8552] [ 2830.059807][ T8525] Uninit was stored to memory at: [ 2830.059813][ T8552] Uninit was stored to memory at: [ 2830.059873][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.059878][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.059931][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.059936][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.059977][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.059983][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.060031][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.060037][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.060086][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.060091][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.060142][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.060148][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2830.060201][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.060207][ T8525] do_fast_syscall_32+0x34/0x70 [ 2830.060259][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.060265][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2830.060317][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.060323][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.060382][ T8552] [ 2830.060387][ T8525] [ 2830.060389][ T8552] Uninit was stored to memory at: [ 2830.060396][ T8525] Local variable msg_sys created at: [ 2830.060411][ T8525] do_recvmmsg+0xbb/0x2120 [ 2830.060464][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.060463][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2830.060511][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.060556][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.060609][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.060665][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.060722][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.060783][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.060840][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.060898][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.060970][ T8552] [ 2830.060978][ T8552] Uninit was stored to memory at: [ 2830.061046][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.061095][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.061142][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.061205][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.061263][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.061318][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.061385][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.061450][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.061508][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.061576][ T8552] [ 2830.061584][ T8552] Uninit was stored to memory at: [ 2830.061650][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.061699][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.061880][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.061937][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.061995][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.062051][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.062112][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.062172][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.062230][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.062298][ T8552] [ 2830.062306][ T8552] Uninit was stored to memory at: [ 2830.062373][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.062428][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.062483][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.062538][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.062594][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.062653][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.062712][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.062772][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.062830][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.062896][ T8552] [ 2830.062905][ T8552] Local variable msg_sys created at: [ 2830.062920][ T8552] do_recvmmsg+0xbb/0x2120 [ 2830.062973][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.275485][ T8552] not chained 1900000 origins [ 2830.275514][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2830.275563][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2830.275590][ T8552] Call Trace: [ 2830.275604][ T8552] [ 2830.275621][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2830.275697][ T8552] dump_stack+0x25/0x28 [ 2830.275755][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2830.275826][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.275893][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.275958][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.276031][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2830.276080][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.276145][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.276218][ T8552] ? should_fail+0x75/0x9c0 [ 2830.276264][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.276330][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.276400][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2830.276478][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.276543][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.276613][ T8552] __msan_chain_origin+0xbf/0x140 [ 2830.276677][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.276750][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.276808][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2830.276874][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.276940][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2830.277007][ T8552] ? 0xffffffff81000000 [ 2830.277048][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2830.277111][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.277176][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.277250][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.277315][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.277390][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.277466][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.277536][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.277602][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.277666][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.277737][ T8552] RIP: 0023:0xf6f00549 [ 2830.277769][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2830.277817][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2830.277863][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2830.277897][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2830.277928][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2830.277957][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2830.277985][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2830.278028][ T8552] [ 2830.278043][ T8552] Uninit was stored to memory at: [ 2830.278114][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.278163][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.278211][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.278268][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.278325][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.278383][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.278445][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.278511][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.278570][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.278637][ T8552] [ 2830.278645][ T8552] Uninit was stored to memory at: [ 2830.278714][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.278763][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.278812][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.278869][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.278927][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.278985][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.279046][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.279107][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.279166][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.279233][ T8552] [ 2830.279241][ T8552] Uninit was stored to memory at: [ 2830.279311][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.279360][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.279408][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.279470][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.279527][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.279584][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.279646][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.279707][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.279766][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.279833][ T8552] [ 2830.279841][ T8552] Uninit was stored to memory at: [ 2830.279909][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.279958][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.280007][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.280064][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.280123][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.280180][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.280242][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.280303][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.280362][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.280429][ T8552] [ 2830.280437][ T8552] Uninit was stored to memory at: [ 2830.280625][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.280683][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.280732][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.280788][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.280845][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.280902][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.280972][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.281033][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.281093][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.281161][ T8552] [ 2830.281171][ T8552] Uninit was stored to memory at: [ 2830.281241][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.281290][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.281339][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.281396][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.281453][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.281511][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.281574][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.281635][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.281695][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.282145][ T8552] [ 2830.282154][ T8552] Uninit was stored to memory at: [ 2830.282227][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.282278][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.282328][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.282386][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.282444][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.282503][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.282566][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.282627][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.282687][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.282755][ T8552] [ 2830.282765][ T8552] Local variable msg_sys created at: [ 2830.282780][ T8552] do_recvmmsg+0xbb/0x2120 [ 2830.282834][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.521599][ T8552] not chained 1910000 origins [ 2830.521626][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2830.521677][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2830.521703][ T8552] Call Trace: [ 2830.521717][ T8552] [ 2830.521733][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2830.521813][ T8552] dump_stack+0x25/0x28 [ 2830.521872][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2830.521943][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.522014][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.522076][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.522146][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2830.522192][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.522254][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.522325][ T8552] ? should_fail+0x75/0x9c0 [ 2830.522373][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.522438][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.522509][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2830.522580][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.522645][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.522715][ T8552] __msan_chain_origin+0xbf/0x140 [ 2830.522781][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.522855][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.522913][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2830.522980][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.523059][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2830.523127][ T8552] ? 0xffffffff81000000 [ 2830.523167][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2830.523231][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2830.523296][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.523370][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.523435][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.523510][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.523581][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.523650][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.523716][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.523779][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.523851][ T8552] RIP: 0023:0xf6f00549 [ 2830.523882][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2830.523929][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2830.523976][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2830.524017][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2830.524048][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2830.524076][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2830.524105][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2830.524149][ T8552] [ 2830.524440][ T8552] Uninit was stored to memory at: [ 2830.524514][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.524565][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.524614][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.524671][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.524729][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.524787][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.524849][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.524911][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.524971][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.525044][ T8552] [ 2830.525052][ T8552] Uninit was stored to memory at: [ 2830.525121][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.525170][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.525218][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.525274][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.525331][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.525389][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.525450][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.525511][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.525571][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.525638][ T8552] [ 2830.525646][ T8552] Uninit was stored to memory at: [ 2830.525716][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.525765][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.525813][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.525869][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.525927][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.525985][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.526052][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.526113][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.526172][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.526240][ T8552] [ 2830.526247][ T8552] Uninit was stored to memory at: [ 2830.526317][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.526365][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.526413][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.526469][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.526525][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.526582][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.526644][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.526705][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.526765][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.526833][ T8552] [ 2830.526841][ T8552] Uninit was stored to memory at: [ 2830.526910][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.526959][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.527015][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.527072][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.527130][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.527188][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.527250][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.527312][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.527372][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.527440][ T8552] [ 2830.527448][ T8552] Uninit was stored to memory at: [ 2830.527517][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.527566][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.527614][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.527670][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.527728][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.527785][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.527847][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.527908][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.527968][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.528041][ T8552] [ 2830.528048][ T8552] Uninit was stored to memory at: [ 2830.528118][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.528167][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2830.528215][ T8552] do_recvmmsg+0xd77/0x2120 [ 2830.528272][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.528330][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.528388][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2830.528451][ T8552] do_fast_syscall_32+0x34/0x70 [ 2830.528512][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2830.528572][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2830.528639][ T8552] [ 2830.528648][ T8552] Local variable msg_sys created at: [ 2830.528663][ T8552] do_recvmmsg+0xbb/0x2120 [ 2830.528717][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2830.750736][ T8525] not chained 1920000 origins [ 2830.750764][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2830.750813][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2830.750838][ T8525] Call Trace: [ 2830.750853][ T8525] [ 2830.750869][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2830.750945][ T8525] dump_stack+0x25/0x28 [ 2830.751003][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2830.751081][ T8525] ? do_user_addr_fault+0x13f7/0x1f20 [ 2830.751141][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2830.751207][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.751281][ T8525] ? should_fail+0x75/0x9c0 [ 2830.751328][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2830.751392][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.751463][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2830.751541][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2830.751606][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2830.751676][ T8525] __msan_chain_origin+0xbf/0x140 [ 2830.751741][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2830.751814][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2830.751872][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2830.751937][ T8525] do_recvmmsg+0xd77/0x2120 [ 2830.752003][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2830.752083][ T8525] ? 0xffffffff81000000 [ 2830.752123][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2830.752187][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2830.752251][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2830.957871][ T8552] not chained 1930000 origins [ 2830.962308][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2830.962383][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.133239][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.133315][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.133380][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.133440][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.133497][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.133566][ T8525] RIP: 0023:0xf6e9f549 [ 2833.133597][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2833.133640][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2833.133681][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2833.133712][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2833.133739][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2833.133765][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2833.133792][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2833.133830][ T8525] [ 2833.133845][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2833.133893][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:06:27 [ 2833.133918][ T8552] Call Trace: [ 2833.133933][ T8552] syzkaller user.w[ 2833.133947][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2833.134014][ T8552] dump_stack+0x25/0x28 arn kernel: [ 27[ 2833.134078][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2833.134148][ T8552] ? kmsan_get_metadata+0x33/0x220 91.818908][ T837[ 2833.134213][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.134278][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 7] get_compat_m[ 2833.134351][ T8552] ? preempt_count_sub+0xf8/0x330 sghdr+0x108/0x2c[ 2833.134399][ T8552] ? kmsan_get_metadata+0x33/0x220 0 [ 2833.134464][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2833.134539][ T8552] ? should_fail+0x75/0x9c0 [ 2833.134585][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.134649][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2833.134718][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2833.134785][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.134846][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2833.134912][ T8552] __msan_chain_origin+0xbf/0x140 [ 2833.134974][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.135043][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.135103][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2833.135167][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.135229][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2833.135295][ T8552] ? 0xffffffff81000000 [ 2833.135335][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2833.135399][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.135460][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2833.135531][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.135594][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.135669][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.135737][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.135803][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.135865][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.135927][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.135997][ T8552] RIP: 0023:0xf6f00549 [ 2833.136026][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2833.136076][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2833.136119][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2833.136151][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2833.136179][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2833.136208][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2833.136237][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2833.136279][ T8552] [ 2833.136294][ T8552] Uninit was stored to memory at: [ 2833.136362][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.136409][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.136456][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.136510][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.136567][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.136623][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.136681][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.136738][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.136794][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.136860][ T8552] [ 2833.136868][ T8552] Uninit was stored to memory at: [ 2833.136934][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.136982][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.137027][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.137086][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.137143][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.137200][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.137262][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.137321][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.137380][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.137446][ T8552] [ 2833.137454][ T8552] Uninit was stored to memory at: [ 2833.137521][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.137570][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.137616][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.137669][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.137724][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.137779][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.137837][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.137894][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.137949][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.138014][ T8552] [ 2833.138021][ T8552] Uninit was stored to memory at: [ 2833.138092][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.138138][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.138183][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.138236][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.138292][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.138349][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.138408][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.138465][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.138522][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.138587][ T8552] [ 2833.138594][ T8552] Uninit was stored to memory at: [ 2833.138662][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.138709][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.138754][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.138808][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.138862][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.138918][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.138977][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.139037][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.139100][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.139163][ T8552] [ 2833.139171][ T8552] Uninit was stored to memory at: [ 2833.139237][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.139285][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.139333][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.139388][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.139444][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.139499][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.139558][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.139616][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.139673][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.139738][ T8552] [ 2833.139745][ T8552] Uninit was stored to memory at: [ 2833.139810][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.139857][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.139903][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.139957][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.140012][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.140075][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.140136][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.140192][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.140249][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.140313][ T8552] [ 2833.140323][ T8552] Local variable msg_sys created at: [ 2833.140338][ T8552] do_recvmmsg+0xbb/0x2120 [ 2833.140392][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.149084][ T8525] Uninit was stored to memory at: [ 2833.149163][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.149212][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2833.149258][ T8525] do_recvmmsg+0xd77/0x2120 [ 2833.149314][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.149370][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.149427][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.149490][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.149548][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.149613][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.149680][ T8525] [ 2833.149688][ T8525] Uninit was stored to memory at: [ 2833.149755][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.149805][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2833.149849][ T8525] do_recvmmsg+0xd77/0x2120 [ 2833.149900][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.149951][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.150007][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.150067][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.150126][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.150185][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.150249][ T8525] [ 2833.150257][ T8525] Uninit was stored to memory at: [ 2833.150325][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.150373][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2833.150419][ T8525] do_recvmmsg+0xd77/0x2120 [ 2833.150475][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.150531][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.150592][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.150653][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.150712][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.150769][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.150836][ T8525] [ 2833.150844][ T8525] Uninit was stored to memory at: [ 2833.150910][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.150958][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2833.151006][ T8525] do_recvmmsg+0xd77/0x2120 [ 2833.151060][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.151117][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.151173][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.151233][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.151292][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.151350][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.151415][ T8525] [ 2833.151422][ T8525] Uninit was stored to memory at: [ 2833.151490][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.151537][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2833.151589][ T8525] do_recvmmsg+0xd77/0x2120 [ 2833.151645][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.151699][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.167655][ T2839] EXT4-fs error: 81 callbacks suppressed [ 2833.167721][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2833.169139][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.233463][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2833.236707][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.338200][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2833.340150][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.384585][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2833.388919][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.766959][ T8552] not chained 1940000 origins [ 2833.769927][ T8525] [ 2833.769936][ T8525] Uninit was stored to memory at: [ 2833.775959][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2833.781085][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.786029][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2833.786056][ T8552] Call Trace: [ 2833.786071][ T8552] [ 2833.786086][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2833.786164][ T8552] dump_stack+0x25/0x28 [ 2833.790975][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2833.795463][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2833.795530][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.801961][ T8525] do_recvmmsg+0xd77/0x2120 [ 2833.804200][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.809201][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.814300][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.814368][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2833.819319][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.823813][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2833.823863][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.828546][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.834858][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2833.834933][ T8552] ? should_fail+0x75/0x9c0 [ 2833.839961][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.844799][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.844866][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2833.849384][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.855696][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2833.855768][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.858109][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.863116][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2833.863188][ T8552] __msan_chain_origin+0xbf/0x140 [ 2833.868286][ T8525] [ 2833.868295][ T8525] Uninit was stored to memory at: [ 2833.873208][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.873282][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2833.877845][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2833.882451][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2833.882520][ T8552] do_recvmmsg+0xd77/0x2120 [ 2833.888851][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2833.893863][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2833.893931][ T8552] ? 0xffffffff81000000 [ 2833.893972][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2833.899047][ T8525] do_recvmmsg+0xd77/0x2120 [ 2833.903537][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2833.903604][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2833.909949][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2833.912273][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.912340][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2833.917631][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.922043][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2833.922122][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2833.926783][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2833.931795][ T8552] do_fast_syscall_32+0x34/0x70 [ 2833.931863][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2833.936985][ T8525] do_fast_syscall_32+0x34/0x70 [ 2833.941906][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.941979][ T8552] RIP: 0023:0xf6f00549 [ 2833.942011][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2833.946486][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2833.951148][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2833.957568][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2833.962469][ T8552] ORIG_RAX: 0000000000000151 [ 2833.962487][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2833.962521][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2833.962552][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2833.967389][ T8525] [ 2833.967399][ T8525] Local variable msg_sys created at: [ 2833.971887][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2833.971917][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2833.971961][ T8552] [ 2833.974323][ T8552] Uninit was stored to memory at: [ 2833.978306][ T8525] do_recvmmsg+0xbb/0x2120 [ 2833.978367][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2834.144462][ T8525] not chained 1950000 origins [ 2834.144605][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.149552][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2834.154767][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.159563][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2834.164131][ T8552] do_recvmmsg+0xd77/0x2120 [ 2834.168716][ T8525] Call Trace: [ 2834.168733][ T8525] [ 2834.175110][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.180645][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2834.191153][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.196101][ T8525] dump_stack+0x25/0x28 [ 2834.196170][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2834.206682][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2834.211438][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2834.221986][ T8552] do_fast_syscall_32+0x34/0x70 [ 2834.226365][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2834.237103][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2834.243333][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2834.243410][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2834.248079][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.250397][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2834.255521][ T8552] [ 2834.263718][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2834.263795][ T8525] ? should_fail+0x75/0x9c0 [ 2834.268892][ T8552] Uninit was stored to memory at: [ 2834.268968][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.278938][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2834.279009][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2834.282362][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.285218][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2834.289873][ T8552] do_recvmmsg+0xd77/0x2120 [ 2834.294015][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2834.294081][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2834.299006][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.304709][ T8525] __msan_chain_origin+0xbf/0x140 [ 2834.304777][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.309882][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.314389][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2834.314447][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2834.319549][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2834.324213][ T8525] do_recvmmsg+0xd77/0x2120 [ 2834.324280][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2834.329378][ T8552] do_fast_syscall_32+0x34/0x70 [ 2834.335203][ T8525] ? 0xffffffff81000000 [ 2834.335244][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2834.341576][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2834.346584][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2834.346652][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2834.351829][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.356768][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.362623][ T8552] [ 2834.367039][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2834.371943][ T8552] Uninit was stored to memory at: [ 2834.376976][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.383323][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.387686][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2834.393801][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.398825][ T8525] do_fast_syscall_32+0x34/0x70 [ 2834.405225][ T8552] do_recvmmsg+0xd77/0x2120 [ 2834.410938][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2834.416018][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.418267][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.423347][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.428371][ T8525] RIP: 0023:0xf6e9f549 [ 2834.433370][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2834.438392][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2834.443341][ T8552] do_fast_syscall_32+0x34/0x70 [ 2834.447734][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2834.452748][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2834.457756][ T8525] ORIG_RAX: 0000000000000151 [ 2834.457774][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2834.461978][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.467000][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2834.471487][ T8552] [ 2834.471497][ T8552] Uninit was stored to memory at: [ 2834.476580][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2834.476609][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2834.476639][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2834.476684][ T8525] [ 2834.483039][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.492568][ T8525] Uninit was stored to memory at: [ 2834.494216][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.498866][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.505191][ T8552] do_recvmmsg+0xd77/0x2120 [ 2834.505251][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.505307][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.505362][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2834.505420][ T8552] do_fast_syscall_32+0x34/0x70 [ 2834.505481][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2834.505537][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.505601][ T8552] [ 2834.505609][ T8552] Uninit was stored to memory at: [ 2834.505676][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.505724][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.505771][ T8552] do_recvmmsg+0xd77/0x2120 [ 2834.505827][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.505883][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.505938][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2834.505997][ T8552] do_fast_syscall_32+0x34/0x70 [ 2834.506055][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2834.506110][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.506176][ T8552] [ 2834.506183][ T8552] Uninit was stored to memory at: [ 2834.506253][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.506299][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.506345][ T8552] do_recvmmsg+0xd77/0x2120 [ 2834.506399][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.506458][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.506515][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2834.506573][ T8552] do_fast_syscall_32+0x34/0x70 [ 2834.506632][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2834.506692][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.506757][ T8552] [ 2834.506764][ T8552] Uninit was stored to memory at: [ 2834.506830][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.506877][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.506923][ T8552] do_recvmmsg+0xd77/0x2120 [ 2834.506978][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.507033][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.507089][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2834.507152][ T8552] do_fast_syscall_32+0x34/0x70 [ 2834.507210][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2834.507265][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.507330][ T8552] [ 2834.507339][ T8552] Local variable msg_sys created at: [ 2834.507353][ T8552] do_recvmmsg+0xbb/0x2120 [ 2834.507405][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2834.811730][ T8552] not chained 1960000 origins [ 2834.812821][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2834.818802][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2834.823393][ T8525] do_recvmmsg+0xd77/0x2120 [ 2834.828381][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2834.834267][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2834.838828][ T8552] Call Trace: [ 2834.838843][ T8552] [ 2834.843916][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.848935][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2834.855344][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2834.860190][ T8552] dump_stack+0x25/0x28 [ 2834.865111][ T8525] do_fast_syscall_32+0x34/0x70 [ 2834.870023][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2834.874604][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2834.880559][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2834.885486][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2834.889533][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2834.894820][ T8525] [ 2834.899217][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2834.904425][ T8525] Uninit was stored to memory at: [ 2834.910547][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2834.917017][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.923339][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2834.923406][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2834.925735][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2834.930400][ T8552] ? should_fail+0x75/0x9c0 [ 2834.935508][ T8525] do_recvmmsg+0xd77/0x2120 [ 2834.941722][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2834.946925][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2834.951832][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2834.951905][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2834.956837][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2834.961674][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2834.966257][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2834.970651][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2834.975412][ T8525] do_fast_syscall_32+0x34/0x70 [ 2834.981623][ T8552] __msan_chain_origin+0xbf/0x140 [ 2834.988039][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2834.991988][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2834.992062][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2834.997161][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.016770][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2835.016840][ T8552] do_recvmmsg+0xd77/0x2120 [ 2835.021707][ T8525] [ 2835.021717][ T8525] Uninit was stored to memory at: [ 2835.027763][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2835.027833][ T8552] ? 0xffffffff81000000 [ 2835.027874][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2835.032494][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.037016][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2835.045078][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2835.051286][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2835.059347][ T8525] do_recvmmsg+0xd77/0x2120 [ 2835.061572][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.066668][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2835.074535][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2835.074613][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.082759][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.090654][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2835.093753][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2835.098751][ T8552] do_fast_syscall_32+0x34/0x70 [ 2835.103852][ T8525] do_fast_syscall_32+0x34/0x70 [ 2835.108707][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2835.113928][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2835.118325][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.123085][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.129300][ T8552] RIP: 0023:0xf6f00549 [ 2835.134407][ T8525] [ 2835.139146][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2835.143711][ T8525] Uninit was stored to memory at: [ 2835.149945][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2835.152437][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.157276][ T8552] ORIG_RAX: 0000000000000151 [ 2835.157293][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2835.162470][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2835.167291][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2835.171894][ T8525] do_recvmmsg+0xd77/0x2120 [ 2835.176456][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2835.182869][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2835.187777][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2835.192714][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.197101][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2835.203511][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2835.205749][ T8552] [ 2835.210743][ T8525] do_fast_syscall_32+0x34/0x70 [ 2835.220530][ T8552] Uninit was stored to memory at: [ 2835.220866][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2835.227006][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.230136][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.236638][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2835.241672][ T8525] [ 2835.241681][ T8525] Uninit was stored to memory at: [ 2835.246599][ T8552] do_recvmmsg+0xd77/0x2120 [ 2835.251169][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.257502][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2835.259833][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2835.264921][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.270038][ T8525] do_recvmmsg+0xd77/0x2120 [ 2835.275035][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2835.279547][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2835.284327][ T8552] do_fast_syscall_32+0x34/0x70 [ 2835.290653][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.295849][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2835.300737][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2835.305316][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.311641][ T8525] do_fast_syscall_32+0x34/0x70 [ 2835.314056][ T8552] [ 2835.314066][ T8552] Uninit was stored to memory at: [ 2835.319326][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2835.323870][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.328490][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.333231][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2835.338174][ T8525] [ 2835.338183][ T8525] Uninit was stored to memory at: [ 2835.338254][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.346565][ T8552] do_recvmmsg+0xd77/0x2120 [ 2835.351089][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2835.361209][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2835.365987][ T8525] do_recvmmsg+0xd77/0x2120 [ 2835.369236][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.372239][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2835.378545][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2835.383307][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.388295][ T8552] do_fast_syscall_32+0x34/0x70 [ 2835.392532][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2835.397352][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2835.403186][ T8525] do_fast_syscall_32+0x34/0x70 [ 2835.403258][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2835.407769][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.412984][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.419288][ T8552] [ 2835.419298][ T8552] Uninit was stored to memory at: [ 2835.424510][ T8525] [ 2835.426863][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.432668][ T8525] Uninit was stored to memory at: [ 2835.432739][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.437674][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2835.442792][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2835.447865][ T8552] do_recvmmsg+0xd77/0x2120 [ 2835.453060][ T8525] do_recvmmsg+0xd77/0x2120 [ 2835.458830][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2835.463851][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2835.468318][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.472992][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.478071][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2835.482850][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2835.489058][ T8552] do_fast_syscall_32+0x34/0x70 [ 2835.495210][ T8525] do_fast_syscall_32+0x34/0x70 [ 2835.501499][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2835.506692][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2835.511678][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.517573][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2835.522389][ T8552] [ 2835.522397][ T8552] Uninit was stored to memory at: [ 2835.527397][ T8525] [ 2835.527407][ T8525] Local variable msg_sys created at: [ 2835.532028][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2835.537082][ T8525] do_recvmmsg+0xbb/0x2120 [ 2835.542079][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2835.548498][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2835.553420][ T8552] do_recvmmsg+0xd77/0x2120 [ 2835.954759][ T8525] not chained 1970000 origins [ 2835.957968][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2835.962732][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2835.968873][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2835.973534][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2835.973561][ T8525] Call Trace: [ 2835.973576][ T8525] [ 2835.973592][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2835.978624][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2835.984946][ T8525] dump_stack+0x25/0x28 [ 2835.985006][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2835.989858][ T8552] do_fast_syscall_32+0x34/0x70 [ 2835.994871][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2835.994939][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2835.999436][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2836.004274][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2836.004349][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2836.008836][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.015145][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2836.015211][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2836.021532][ T8552] [ 2836.021542][ T8552] Uninit was stored to memory at: [ 2836.023854][ T8525] ? should_fail+0x75/0x9c0 [ 2836.023902][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2836.029000][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.031256][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2836.036428][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2836.041358][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2836.046527][ T8552] do_recvmmsg+0xd77/0x2120 [ 2836.051375][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2836.056367][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2836.060783][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2836.065350][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.069937][ T8525] __msan_chain_origin+0xbf/0x140 [ 2836.074672][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2836.080918][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.087308][ T8552] do_fast_syscall_32+0x34/0x70 [ 2836.092259][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2836.092318][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2836.097320][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2836.102159][ T8525] do_recvmmsg+0xd77/0x2120 [ 2836.102226][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2836.107064][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.111567][ T8525] ? 0xffffffff81000000 [ 2836.116118][ T8552] [ 2836.122358][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2836.122424][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2836.128736][ T8552] Uninit was stored to memory at: [ 2836.128810][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.131055][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2836.136139][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2836.138384][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.143718][ T8552] do_recvmmsg+0xd77/0x2120 [ 2836.148743][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2836.153212][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2836.158072][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.162802][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.167228][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2836.171957][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2836.176543][ T8525] do_fast_syscall_32+0x34/0x70 [ 2836.184920][ T8552] do_fast_syscall_32+0x34/0x70 [ 2836.191157][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2836.201279][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2836.204477][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.204550][ T8525] RIP: 0023:0xf6e9f549 [ 2836.207474][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.212135][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2836.212183][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2836.212229][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2836.217217][ T8552] [ 2836.217225][ T8552] Uninit was stored to memory at: [ 2836.217301][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.221354][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2836.227137][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2836.231894][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2836.231925][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2836.231953][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2836.231996][ T8525] [ 2836.237088][ T8552] do_recvmmsg+0xd77/0x2120 [ 2836.245745][ T8525] Uninit was stored to memory at: [ 2836.246808][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2836.256182][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.257714][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.264154][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2836.269236][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2836.275245][ T8525] do_recvmmsg+0xd77/0x2120 [ 2836.277565][ T8552] do_fast_syscall_32+0x34/0x70 [ 2836.282667][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2836.287155][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2836.292382][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.297481][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.303849][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2836.308766][ T8552] [ 2836.308778][ T8552] Local variable msg_sys created at: [ 2836.314928][ T8525] do_fast_syscall_32+0x34/0x70 [ 2836.319482][ T8552] do_recvmmsg+0xbb/0x2120 [ 2836.324712][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2836.329370][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2836.335268][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.705550][ T8525] [ 2836.705562][ T8525] Uninit was stored to memory at: [ 2836.705641][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.718181][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2836.723280][ T8525] do_recvmmsg+0xd77/0x2120 [ 2836.727833][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2836.732677][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.739053][ T8525] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:27 [ 2836.744240][ T8525] do_fast_syscall_32+0x34/0x70 syzkaller user.w[ 2836.750441][ T8525] do_SYSENTER_32+0x1b/0x20 arn kernel: [ 27[ 2836.756438][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 91.823972][ T837[ 2836.764218][ T8525] 7] do_recvmmsg+[ 2836.767814][ T8525] Uninit was stored to memory at: 0xd77/0x2120 [ 2836.774397][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.780525][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2836.785621][ T8525] do_recvmmsg+0xd77/0x2120 [ 2836.790177][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2836.795011][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.801395][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2836.806100][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2836.806596][ T8525] do_fast_syscall_32+0x34/0x70 [ 2836.822223][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2836.826779][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.831104][ T8552] not chained 1980000 origins [ 2836.833267][ T8525] [ 2836.833276][ T8525] Uninit was stored to memory at: [ 2836.833351][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.833401][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2836.833449][ T8525] do_recvmmsg+0xd77/0x2120 [ 2836.833512][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2836.833568][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.838268][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2836.840585][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2836.845596][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2836.845623][ T8552] Call Trace: [ 2836.845638][ T8552] [ 2836.845655][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2836.845724][ T8552] dump_stack+0x25/0x28 [ 2836.850808][ T8525] do_fast_syscall_32+0x34/0x70 [ 2836.855731][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2836.855803][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2836.860320][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2836.864985][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2836.865051][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2836.871395][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.879709][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2836.879759][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2836.879825][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2836.884913][ T8525] [ 2836.894866][ T8552] ? should_fail+0x75/0x9c0 [ 2836.894918][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2836.898230][ T8525] Uninit was stored to memory at: [ 2836.898303][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.901239][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2836.905996][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2836.910042][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2836.914970][ T8525] do_recvmmsg+0xd77/0x2120 [ 2836.920584][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2836.925769][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2836.930160][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2836.935348][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2836.941045][ T8552] __msan_chain_origin+0xbf/0x140 [ 2836.947457][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2836.952362][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2836.952435][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2836.957533][ T8525] do_fast_syscall_32+0x34/0x70 [ 2836.963328][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2836.963395][ T8552] do_recvmmsg+0xd77/0x2120 [ 2836.965737][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2836.970231][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2836.975414][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2836.980340][ T8552] ? 0xffffffff81000000 [ 2836.985524][ T8525] [ 2836.991738][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2836.991805][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2836.996732][ T8525] Uninit was stored to memory at: [ 2836.996805][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.002786][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2837.002863][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.007373][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2837.012475][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.012552][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.017229][ T8525] do_recvmmsg+0xd77/0x2120 [ 2837.023029][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2837.023102][ T8552] do_fast_syscall_32+0x34/0x70 [ 2837.029430][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2837.034444][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2837.034508][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.039552][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.044644][ T8552] RIP: 0023:0xf6f00549 [ 2837.044678][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2837.044725][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2837.049663][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2837.054496][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2837.054531][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2837.054562][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2837.054591][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2837.059428][ T8525] do_fast_syscall_32+0x34/0x70 [ 2837.063914][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2837.063963][ T8552] [ 2837.066279][ T8552] Uninit was stored to memory at: [ 2837.068482][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2837.073920][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.079991][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.084212][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2837.086547][ T8525] [ 2837.086555][ T8525] Uninit was stored to memory at: [ 2837.091639][ T8552] do_recvmmsg+0xd77/0x2120 [ 2837.096893][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.101894][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.106988][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2837.113293][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.119800][ T8525] do_recvmmsg+0xd77/0x2120 [ 2837.124801][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2837.129475][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2837.135867][ T8552] do_fast_syscall_32+0x34/0x70 [ 2837.140371][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.145457][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2837.150315][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2837.155052][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.159558][ T8525] do_fast_syscall_32+0x34/0x70 [ 2837.165946][ T8552] [ 2837.165960][ T8552] Uninit was stored to memory at: [ 2837.166035][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.172354][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2837.176408][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2837.196111][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.204563][ T8552] do_recvmmsg+0xd77/0x2120 [ 2837.209597][ T8525] [ 2837.209607][ T8525] Local variable msg_sys created at: [ 2837.217634][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.225713][ T8525] do_recvmmsg+0xbb/0x2120 [ 2837.233732][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.241690][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2837.246605][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2837.429604][ T8552] do_fast_syscall_32+0x34/0x70 [ 2837.429679][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2837.429739][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.445580][ T8552] [ 2837.447918][ T8552] Uninit was stored to memory at: [ 2837.453108][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:27 [ 2837.458260][ T8552] get_compat_msghdr+0x108/0x2c0 syzkaller user.w[ 2837.464904][ T8552] do_recvmmsg+0xd77/0x2120 arn kernel: [ 27[ 2837.470780][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.474865][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 91.828537][ T837[ 2837.476786][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 7] __sys_recvmm[ 2837.495403][ T8552] __do_fast_syscall_32+0x96/0xf0 sg+0x51c/0x6f0 [ 2837.501883][ T8552] do_fast_syscall_32+0x34/0x70 [ 2837.507859][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2837.512501][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.518923][ T8552] [ 2837.518933][ T8552] Uninit was stored to memory at: [ 2837.519009][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.531530][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2837.536612][ T8552] do_recvmmsg+0xd77/0x2120 [ 2837.541169][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.545971][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:27 [ 2837.552604][ T8552] __do_fast_syscall_32+0x96/0xf0 syzkaller user.w[ 2837.558988][ T8552] do_fast_syscall_32+0x34/0x70 arn kernel: [ 27[ 2837.565409][ T8552] do_SYSENTER_32+0x1b/0x20 91.833345][ T837[ 2837.571281][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 7] __ia32_compa[ 2837.579083][ T8552] t_sys_recvmmsg_t[ 2837.581549][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ime32+0x16e/0x1d[ 2837.582884][ T8552] Uninit was stored to memory at: 0 [ 2837.601413][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.606798][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2837.611863][ T8552] do_recvmmsg+0xd77/0x2120 [ 2837.616406][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.621123][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.627686][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2837.632854][ T8552] do_fast_syscall_32+0x34/0x70 [ 2837.637785][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2837.637849][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.648798][ T8552] [ 2837.651124][ T8552] Uninit was stored to memory at: May 18 04:06:27 [ 2837.656464][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.662392][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller user.w[ 2837.662835][ T8552] get_compat_msghdr+0x108/0x2c0 arn kernel: [ 27[ 2837.679976][ T8552] do_recvmmsg+0xd77/0x2120 91.839717][ T837[ 2837.685940][ T8552] __sys_recvmmsg+0x51c/0x6f0 7] __do_fast_sy[ 2837.692060][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 scall_32+0x96/0x[ 2837.699759][ T8552] __do_fast_syscall_32+0x96/0xf0 f0 [ 2837.706179][ T8552] do_fast_syscall_32+0x34/0x70 [ 2837.711266][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2837.715909][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.722384][ T8552] [ 2837.724741][ T8552] Uninit was stored to memory at: [ 2837.724819][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.735038][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2837.740013][ T8552] do_recvmmsg+0xd77/0x2120 [ 2837.744659][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.749472][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:27 [ 2837.756096][ T8552] __do_fast_syscall_32+0x96/0xf0 syzkaller user.w[ 2837.762580][ T8552] do_fast_syscall_32+0x34/0x70 arn kernel: [ 2791.844871][ T837[ 2837.762653][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 7] do_fast_sysc[ 2837.768789][ T8552] do_SYSENTER_32+0x1b/0x20 all_32+0x34/0x70[ 2837.768848][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2837.768914][ T8552] [ 2837.768923][ T8552] Local variable msg_sys created at: [ 2837.768938][ T8552] do_recvmmsg+0xbb/0x2120 [ 2837.768994][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2837.781679][ T8553] EXT4-fs error (device sda1): ext4_lookup:1785: inode #12: comm dhcpcd: iget: checksum invalid [ 2837.805951][ T8525] not chained 1990000 origins [ 2837.829060][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2837.837443][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2837.847527][ T8525] Call Trace: [ 2837.850815][ T8525] [ 2837.853753][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2837.858495][ T8525] dump_stack+0x25/0x28 [ 2837.862694][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2837.868469][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2837.873634][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2837.878806][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2837.884678][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2837.889744][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2837.894911][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2837.900783][ T8525] ? should_fail+0x75/0x9c0 [ 2837.905320][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2837.910484][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2837.916780][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2837.922905][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2837.929980][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2837.935854][ T8525] __msan_chain_origin+0xbf/0x140 [ 2837.940931][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2837.946108][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2837.951097][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2837.955998][ T8525] do_recvmmsg+0xd77/0x2120 [ 2837.960561][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2837.966697][ T8525] ? 0xffffffff81000000 [ 2837.970879][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2837.976045][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2837.981225][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2837.985698][ T8552] not chained 2000000 origins [ 2837.987522][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2837.998674][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.003403][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.009783][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.014851][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.019744][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.024284][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.030656][ T8525] RIP: 0023:0xf6e9f549 [ 2838.034734][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2838.054368][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2838.062801][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2838.070790][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2838.078774][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2838.086758][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2838.094740][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2838.102738][ T8525] [ 2838.105761][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2838.105901][ T8525] Uninit was stored to memory at: [ 2838.114123][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2838.114150][ T8552] Call Trace: [ 2838.114165][ T8552] [ 2838.114180][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2838.119295][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.129278][ T8552] dump_stack+0x25/0x28 [ 2838.129338][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2838.132724][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2838.135573][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2838.140230][ T8525] do_recvmmsg+0xd77/0x2120 [ 2838.145323][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2838.145391][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2838.149561][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.155275][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2838.155360][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2838.155409][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2838.160351][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.165468][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2838.165547][ T8552] ? should_fail+0x75/0x9c0 [ 2838.165593][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2838.170085][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.175181][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2838.175253][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2838.180382][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.185046][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2838.185114][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2838.190935][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.195946][ T8552] __msan_chain_origin+0xbf/0x140 [ 2838.196014][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.196087][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2838.201151][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.207470][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2838.207539][ T8552] do_recvmmsg+0xd77/0x2120 [ 2838.213457][ T8525] [ 2838.217868][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2838.223088][ T8525] Uninit was stored to memory at: [ 2838.227990][ T8552] ? 0xffffffff81000000 [ 2838.234368][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.240258][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2838.245195][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2838.250189][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2838.256082][ T8525] do_recvmmsg+0xd77/0x2120 [ 2838.260471][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2838.265582][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.270583][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.275599][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.281820][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2838.281905][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.286782][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.291285][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2838.293736][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.298697][ T8552] do_fast_syscall_32+0x34/0x70 [ 2838.303812][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.307842][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2838.313041][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.318029][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.323092][ T8525] [ 2838.328057][ T8552] RIP: 0023:0xf6f00549 [ 2838.332658][ T8525] Uninit was stored to memory at: [ 2838.338882][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2838.343769][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.350047][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2838.356499][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2838.361029][ T8552] ORIG_RAX: 0000000000000151 [ 2838.361048][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2838.367459][ T8525] do_recvmmsg+0xd77/0x2120 [ 2838.372372][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2838.372406][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2838.372435][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2838.372464][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2838.377514][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.382364][ T8552] [ 2838.382576][ T8552] Uninit was stored to memory at: [ 2838.387296][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.391952][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.396387][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.402789][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2838.402840][ T8552] do_recvmmsg+0xd77/0x2120 [ 2838.402899][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2838.409230][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.411555][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.415742][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.420843][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2838.440579][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.445797][ T8552] do_fast_syscall_32+0x34/0x70 [ 2838.451953][ T8525] [ 2838.451963][ T8525] Uninit was stored to memory at: [ 2838.456874][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2838.461612][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.469733][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.474347][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2838.482366][ T8552] [ 2838.482377][ T8552] Uninit was stored to memory at: [ 2838.482451][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.490328][ T8525] do_recvmmsg+0xd77/0x2120 [ 2838.498382][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2838.506463][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.511112][ T8552] do_recvmmsg+0xd77/0x2120 [ 2838.514222][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.519210][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2838.525625][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.530704][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.535814][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.540719][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2838.545399][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.550042][ T8552] do_fast_syscall_32+0x34/0x70 [ 2838.554978][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.561345][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2838.565931][ T8525] [ 2838.570920][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.577331][ T8525] Uninit was stored to memory at: [ 2838.582218][ T8552] [ 2838.582226][ T8552] Uninit was stored to memory at: [ 2838.582302][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.584597][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.589547][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2838.594141][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2838.599215][ T8552] do_recvmmsg+0xd77/0x2120 [ 2838.605630][ T8525] do_recvmmsg+0xd77/0x2120 [ 2838.610530][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2838.612922][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.617927][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.623121][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.627583][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2838.632605][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.637244][ T8552] do_fast_syscall_32+0x34/0x70 [ 2838.641731][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.648134][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2838.652899][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.657888][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.664295][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.669110][ T8552] [ 2838.669120][ T8552] Uninit was stored to memory at: [ 2838.674219][ T8525] [ 2838.678748][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.683600][ T8525] Uninit was stored to memory at: [ 2838.683671][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.689909][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2838.694500][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2838.696791][ T8552] do_recvmmsg+0xd77/0x2120 [ 2838.703179][ T8525] do_recvmmsg+0xd77/0x2120 [ 2838.708204][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2838.710521][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.715620][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.720735][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.725907][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2838.730855][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.735861][ T8552] do_fast_syscall_32+0x34/0x70 [ 2838.740366][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.744930][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2838.749609][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.754355][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.760682][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.767074][ T8552] [ 2838.767084][ T8552] Uninit was stored to memory at: [ 2838.767159][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.772184][ T8525] [ 2838.772192][ T8525] Uninit was stored to memory at: [ 2838.777206][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2838.782202][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.786954][ T8552] do_recvmmsg+0xd77/0x2120 [ 2838.791439][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2838.796010][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2838.802415][ T8525] do_recvmmsg+0xd77/0x2120 [ 2838.808725][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.811043][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.816132][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2838.818466][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2838.823642][ T8552] do_fast_syscall_32+0x34/0x70 [ 2838.828655][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2838.833833][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2838.838774][ T8525] do_fast_syscall_32+0x34/0x70 [ 2838.843772][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.848280][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2838.852844][ T8552] [ 2838.852853][ T8552] Uninit was stored to memory at: [ 2838.852928][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2838.857524][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2838.862259][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2838.868588][ T8525] [ 2838.868597][ T8525] Local variable msg_sys created at: [ 2838.874980][ T8552] do_recvmmsg+0xd77/0x2120 [ 2838.880003][ T8525] do_recvmmsg+0xbb/0x2120 [ 2838.885087][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2838.889942][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2838.894857][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.074832][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2839.074909][ T8552] do_fast_syscall_32+0x34/0x70 [ 2839.074976][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2839.075036][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.075110][ T8552] [ 2839.075118][ T8552] Uninit was stored to memory at: [ 2839.075193][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2839.075242][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2839.075290][ T8552] do_recvmmsg+0xd77/0x2120 [ 2839.075348][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:27 [ 2839.075405][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 syzkaller user.w[ 2839.075463][ T8552] __do_fast_syscall_32+0x96/0xf0 arn kernel: [ 27[ 2839.075524][ T8552] do_fast_syscall_32+0x34/0x70 91.849765][ T837[ 2839.075583][ T8552] do_SYSENTER_32+0x1b/0x20 7] do_SYSENTER_[ 2839.149753][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.155366][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 32+0x1b/0x20 [ 2839.157414][ T8552] [ 2839.171655][ T8552] Local variable msg_sys created at: [ 2839.177033][ T8552] do_recvmmsg+0xbb/0x2120 [ 2839.181508][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:27 [ 2839.231107][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller user.warn kernel: [ 2791.854399][ T8377] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:27 [ 2839.283684][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller user.err kernel: [ 2791.860779][ T8377[ 2839.298532][ T8552] not chained 2010000 origins ] [ 2839.305117][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2839.313490][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2839.323575][ T8552] Call Trace: [ 2839.326867][ T8552] [ 2839.329810][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2839.334553][ T8552] dump_stack+0x25/0x28 [ 2839.338766][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2839.344548][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2839.349719][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2839.354883][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2839.360758][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2839.365823][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2839.370990][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2839.376857][ T8552] ? should_fail+0x75/0x9c0 [ 2839.381400][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2839.386566][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2839.392888][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2839.392967][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2839.393032][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2839.393101][ T8552] __msan_chain_origin+0xbf/0x140 [ 2839.393165][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:27 [ 2839.393237][ T8552] get_compat_msghdr+0x108/0x2c0 syzkaller user.e[ 2839.393292][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 rr kernel: [ 279[ 2839.393359][ T8552] do_recvmmsg+0xd77/0x2120 1.863185][ T8377[ 2839.393423][ T8552] ? xfd_validate_state+0xd1/0x2d0 ] Uninit was sto[ 2839.393491][ T8552] ? 0xffffffff81000000 red to memory at[ 2839.393530][ T8552] ? __stack_depot_save+0x21/0x4d0 : [ 2839.393592][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2839.393656][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2839.393729][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.393793][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2839.393868][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.393936][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2839.394012][ T8552] do_fast_syscall_32+0x34/0x70 [ 2839.394075][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2839.394137][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.394207][ T8552] RIP: 0023:0xf6f00549 [ 2839.394237][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2839.394284][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2839.394330][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2839.394363][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2839.394392][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2839.394420][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2839.394449][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2839.394491][ T8552] [ 2839.395924][ T8552] Uninit was stored to memory at: [ 2839.396004][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2839.396055][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2839.396103][ T8552] do_recvmmsg+0xd77/0x2120 [ 2839.424386][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2839.430167][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2839.622124][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.622192][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2839.622255][ T8552] do_fast_syscall_32+0x34/0x70 [ 2839.622316][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2839.622372][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.622438][ T8552] [ 2839.622447][ T8552] Uninit was stored to memory at: [ 2839.622515][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:27 [ 2839.622563][ T8552] get_compat_msghdr+0x108/0x2c0 syzkaller user.w[ 2839.622609][ T8552] do_recvmmsg+0xd77/0x2120 arn kernel: [ 27[ 2839.622664][ T8552] __sys_recvmmsg+0x51c/0x6f0 91.868270][ T837[ 2839.622722][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 7] __get_compat[ 2839.622779][ T8552] __do_fast_syscall_32+0x96/0xf0 _msghdr+0x6e1/0x[ 2839.622838][ T8552] do_fast_syscall_32+0x34/0x70 9d0 [ 2839.622896][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2839.622952][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.623022][ T8552] [ 2839.623029][ T8552] Uninit was stored to memory at: [ 2839.623096][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2839.623146][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2839.623193][ T8552] do_recvmmsg+0xd77/0x2120 [ 2839.623246][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2839.623301][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.623355][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2839.623416][ T8552] do_fast_syscall_32+0x34/0x70 [ 2839.623472][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2839.623530][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.623595][ T8552] [ 2839.623603][ T8552] Uninit was stored to memory at: [ 2839.623672][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2839.623727][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2839.623774][ T8552] do_recvmmsg+0xd77/0x2120 [ 2839.682998][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2839.689875][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2839.805377][ T8525] not chained 2020000 origins [ 2839.805401][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2839.805456][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2839.810105][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.818429][ T8525] Call Trace: [ 2839.818451][ T8525] [ 2839.818468][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2839.818539][ T8525] dump_stack+0x25/0x28 [ 2839.828720][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2839.834960][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2839.835032][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2839.838305][ T8552] do_fast_syscall_32+0x34/0x70 [ 2839.841233][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2839.845973][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2839.850032][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2839.855115][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.860751][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2839.865940][ T8552] [ 2839.870693][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2839.875866][ T8552] Uninit was stored to memory at: [ 2839.880279][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2839.886202][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2839.892380][ T8525] ? should_fail+0x75/0x9c0 [ 2839.892429][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2839.897459][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2839.899778][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2839.904953][ T8552] do_recvmmsg+0xd77/0x2120 [ 2839.909883][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2839.915746][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2839.920771][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2839.925326][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.930356][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2839.935351][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2839.941502][ T8525] __msan_chain_origin+0xbf/0x140 [ 2839.946061][ T8552] do_fast_syscall_32+0x34/0x70 [ 2839.952042][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2839.952116][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2839.956773][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2839.961877][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2839.961945][ T8525] do_recvmmsg+0xd77/0x2120 [ 2839.968262][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2839.974055][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2839.974138][ T8525] ? 0xffffffff81000000 [ 2839.979134][ T8552] [ 2839.979143][ T8552] Uninit was stored to memory at: [ 2839.984151][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2839.984218][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2839.989111][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2839.994145][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2839.994222][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2839.999142][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2840.003634][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.003712][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.008540][ T8552] do_recvmmsg+0xd77/0x2120 [ 2840.013040][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.013113][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.019422][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2840.025654][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.025718][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.029867][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.032205][ T8525] RIP: 0023:0xf6e9f549 [ 2840.032238][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2840.032285][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2840.037289][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2840.042381][ T8525] ORIG_RAX: 0000000000000151 [ 2840.042398][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2840.042438][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2840.042469][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2840.047551][ T8552] do_fast_syscall_32+0x34/0x70 [ 2840.052645][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2840.052675][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2840.052718][ T8525] [ 2840.057044][ T8525] Uninit was stored to memory at: [ 2840.058947][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2840.065923][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.070462][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.075236][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2840.081517][ T8552] [ 2840.081526][ T8552] Uninit was stored to memory at: [ 2840.086102][ T8525] do_recvmmsg+0xd77/0x2120 [ 2840.091148][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.096021][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.100670][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2840.105262][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.111544][ T8552] do_recvmmsg+0xd77/0x2120 [ 2840.117955][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.122067][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2840.141940][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.147978][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.153087][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.157726][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2840.165790][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.173811][ T8552] do_fast_syscall_32+0x34/0x70 [ 2840.181873][ T8525] [ 2840.186690][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2840.194784][ T8525] Uninit was stored to memory at: [ 2840.194865][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.202861][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.205883][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2840.210894][ T8552] [ 2840.210905][ T8552] Local variable msg_sys created at: [ 2840.215493][ T8525] do_recvmmsg+0xd77/0x2120 [ 2840.220579][ T8552] do_recvmmsg+0xbb/0x2120 [ 2840.227003][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.231976][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2840.234301][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.372991][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.373072][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.373133][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.373193][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.373262][ T8525] [ 2840.373270][ T8525] Uninit was stored to memory at: [ 2840.373344][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.373393][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2840.373441][ T8525] do_recvmmsg+0xd77/0x2120 [ 2840.373499][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.373556][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.373613][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.373675][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.373735][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.373794][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.373862][ T8525] [ 2840.373869][ T8525] Uninit was stored to memory at: [ 2840.373939][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.373987][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2840.374040][ T8525] do_recvmmsg+0xd77/0x2120 [ 2840.374097][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.374154][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.374212][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.374274][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.374334][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.374393][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.374460][ T8525] [ 2840.374467][ T8525] Uninit was stored to memory at: [ 2840.374536][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.374585][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2840.374633][ T8525] do_recvmmsg+0xd77/0x2120 [ 2840.374689][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.374746][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.374804][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.374866][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.374926][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.374985][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.375058][ T8525] [ 2840.375065][ T8525] Uninit was stored to memory at: [ 2840.375134][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.375183][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:06:28 [ 2840.375235][ T8525] do_recvmmsg+0xd77/0x2120 syzkaller daemon[ 2840.375291][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.375348][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.375406][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.375467][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.375527][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.375587][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.375654][ T8525] [ 2840.375661][ T8525] Uninit was stored to memory at: [ 2840.375730][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.375780][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2840.375827][ T8525] do_recvmmsg+0xd77/0x2120 [ 2840.375883][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.375940][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.375997][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2840.376065][ T8525] do_fast_syscall_32+0x34/0x70 [ 2840.376126][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2840.376185][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.376251][ T8525] [ 2840.376260][ T8525] Local variable msg_sys created at: [ 2840.376275][ T8525] do_recvmmsg+0xbb/0x2120 [ 2840.376329][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2840.617389][ T8552] not chained 2030000 origins [ 2840.625187][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2840.630536][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2840.757311][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2840.757341][ T8552] Call Trace: [ 2840.757355][ T8552] [ 2840.757371][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2840.757446][ T8552] dump_stack+0x25/0x28 [ 2840.757510][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2840.757582][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2840.757649][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2840.757715][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2840.757789][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2840.757837][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2840.757900][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2840.820628][ T8552] ? should_fail+0x75/0x9c0 [ 2840.825185][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2840.825198][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2840.830361][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2840.847439][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2840.853577][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2840.858752][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2840.864620][ T8552] __msan_chain_origin+0xbf/0x140 [ 2840.869702][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2840.874888][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2840.879895][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2840.884850][ T8552] do_recvmmsg+0xd77/0x2120 [ 2840.889419][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2840.892126][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2840.894594][ T8552] ? 0xffffffff81000000 [ 2840.894639][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2840.914552][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2840.919727][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2840.926032][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.932594][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2840.935721][ T8525] not chained 2040000 origins [ 2840.937337][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2840.948318][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2840.953397][ T8552] do_fast_syscall_32+0x34/0x70 [ 2840.958293][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2840.962838][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2840.969216][ T8552] RIP: 0023:0xf6f00549 [ 2840.973298][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2840.992937][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2841.001383][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2841.009387][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2841.017374][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2841.025361][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2841.033351][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2841.041351][ T8552] [ 2841.044375][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 .err dhcpcd[3049[ 2841.048588][ T8552] Uninit was stored to memory at: [ 2841.052762][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ]: ps_root_recvm[ 2841.052791][ T8525] Call Trace: [ 2841.052805][ T8525] sg: Invalid argu[ 2841.052822][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2841.052897][ T8525] dump_stack+0x25/0x28 ment May 18 04:[ 2841.052957][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2841.053029][ T8525] ? kmsan_get_metadata+0x33/0x220 06:28 syzkaller [ 2841.053093][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2841.053154][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 user.warn kernel[ 2841.053220][ T8525] ? preempt_count_sub+0xf8/0x330 : [ 2791.873499][ 2841.053264][ T8525] ? kmsan_get_metadata+0x33/0x220 [ T8377] get_co[ 2841.053326][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2841.053395][ T8525] ? should_fail+0x75/0x9c0 mpat_msghdr+0x10[ 2841.053447][ T8525] ? kmsan_get_metadata+0x33/0x220 8/0x2c0 May 18 [ 2841.053512][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 04:06:29 syzkall[ 2841.053581][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 er daemon.info d[ 2841.059378][ T8552] __get_compat_msghdr+0x6e1/0x9d0 hcpcd[3049]: lap[ 2841.069321][ T8525] ? kmsan_get_metadata+0x33/0x220 b16: using IPv4L[ 2841.069388][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 L address 169.25[ 2841.069464][ T8525] __msan_chain_origin+0xbf/0x140 4.132.115 [ 2841.069533][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.069603][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.074178][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2841.077006][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2841.077076][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.077143][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2841.083153][ T8552] do_recvmmsg+0xd77/0x2120 [ 2841.087208][ T8525] ? 0xffffffff81000000 [ 2841.087251][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2841.087318][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2841.094383][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.099379][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2841.099463][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.099531][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.105980][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.111659][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.111733][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.111807][ T8525] do_fast_syscall_32+0x34/0x70 [ 2841.111873][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2841.118171][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2841.124534][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.124611][ T8525] RIP: 0023:0xf6e9f549 [ 2841.124644][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2841.124693][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2841.124741][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2841.124775][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2841.131889][ T8552] do_fast_syscall_32+0x34/0x70 [ 2841.136278][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2841.136309][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2841.136339][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2841.136384][ T8525] [ 2841.136539][ T8525] Uninit was stored to memory at: [ 2841.142980][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2841.150509][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.150561][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.150609][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.158104][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.164561][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.164622][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.164682][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.171165][ T8552] [ 2841.178292][ T8525] do_fast_syscall_32+0x34/0x70 [ 2841.178357][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2841.178418][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.184858][ T8552] Uninit was stored to memory at: [ 2841.190780][ T8525] [ 2841.190788][ T8525] Uninit was stored to memory at: [ 2841.190862][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.195837][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.200718][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.205628][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2841.210132][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.216254][ T8552] do_recvmmsg+0xd77/0x2120 [ 2841.220757][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.224978][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.230085][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.235256][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.239940][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.246245][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2841.252836][ T8525] do_fast_syscall_32+0x34/0x70 [ 2841.257510][ T8552] do_fast_syscall_32+0x34/0x70 [ 2841.263914][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2841.270203][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2841.275310][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.280121][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.284704][ T8525] [ 2841.289688][ T8552] [ 2841.289697][ T8552] Uninit was stored to memory at: [ 2841.296096][ T8525] Uninit was stored to memory at: [ 2841.300191][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.319884][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.328277][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2841.336356][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.344419][ T8552] do_recvmmsg+0xd77/0x2120 [ 2841.349240][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.357281][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.365353][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.373370][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.376379][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.381383][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2841.385969][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.391044][ T8552] do_fast_syscall_32+0x34/0x70 [ 2841.396062][ T8525] do_fast_syscall_32+0x34/0x70 [ 2841.400525][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2841.400584][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.400652][ T8552] [ 2841.400661][ T8552] Uninit was stored to memory at: [ 2841.400735][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.407065][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2841.411703][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2841.418248][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.423213][ T8552] do_recvmmsg+0xd77/0x2120 [ 2841.425528][ T8525] [ 2841.425537][ T8525] Uninit was stored to memory at: [ 2841.430359][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.435013][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.441247][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.446362][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.448662][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2841.453751][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.458842][ T8552] do_fast_syscall_32+0x34/0x70 [ 2841.464034][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.468939][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2841.473958][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.478432][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.483038][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.487681][ T8552] [ 2841.487691][ T8552] Uninit was stored to memory at: [ 2841.492434][ T8525] do_fast_syscall_32+0x34/0x70 [ 2841.498788][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.505132][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2841.510117][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2841.515222][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.520035][ T8552] do_recvmmsg+0xd77/0x2120 [ 2841.524975][ T8525] [ 2841.524984][ T8525] Uninit was stored to memory at: [ 2841.529461][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.534126][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.540370][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.546792][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.549094][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2841.551409][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.556501][ T8552] do_fast_syscall_32+0x34/0x70 [ 2841.561529][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.566703][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2841.571894][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.576818][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.581737][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.586321][ T8552] [ 2841.586330][ T8552] Uninit was stored to memory at: [ 2841.586400][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.590851][ T8525] do_fast_syscall_32+0x34/0x70 [ 2841.595592][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2841.600270][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2841.606656][ T8552] do_recvmmsg+0xd77/0x2120 [ 2841.613066][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.618072][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.623176][ T8525] [ 2841.627988][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.632917][ T8525] Uninit was stored to memory at: [ 2841.637392][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2841.643875][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.646103][ T8552] do_fast_syscall_32+0x34/0x70 [ 2841.651108][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.656280][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2841.660782][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.665778][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.672184][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.676668][ T8552] [ 2841.676676][ T8552] Uninit was stored to memory at: [ 2841.678981][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.684124][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.688746][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.693919][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2841.700250][ T8525] do_fast_syscall_32+0x34/0x70 [ 2841.705251][ T8552] do_recvmmsg+0xd77/0x2120 [ 2841.710279][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2841.714840][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.719696][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.724448][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.728961][ T8525] [ 2841.728970][ T8525] Uninit was stored to memory at: [ 2841.735348][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2841.741738][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2841.746754][ T8552] do_fast_syscall_32+0x34/0x70 [ 2841.748993][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2841.754073][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2841.758926][ T8525] do_recvmmsg+0xd77/0x2120 [ 2841.764096][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2841.768602][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2841.773607][ T8552] [ 2841.773617][ T8552] Local variable msg_sys created at: [ 2841.779917][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2841.784500][ T8552] do_recvmmsg+0xbb/0x2120 [ 2841.786844][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2841.792025][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2841.796687][ T8525] do_fast_syscall_32+0x34/0x70 [ 2842.093180][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2842.093252][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.093320][ T8525] [ 2842.093330][ T8525] Local variable msg_sys created at: [ 2842.093346][ T8525] do_recvmmsg+0xbb/0x2120 [ 2842.116342][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:32 syzkaller user.warn kernel: [ 2791.878509][ T8377] do_recvmmsg+0xd77/0x2120 [ 2842.133049][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2842.159989][ T8552] not chained 2050000 origins [ 2842.165181][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2842.173553][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2842.183635][ T8552] Call Trace: [ 2842.186931][ T8552] [ 2842.189873][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2842.194631][ T8552] dump_stack+0x25/0x28 [ 2842.198840][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2842.204627][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2842.209795][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2842.214960][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2842.220828][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2842.225977][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2842.231154][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2842.237023][ T8552] ? should_fail+0x75/0x9c0 [ 2842.241567][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2842.246733][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2842.253066][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2842.253143][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2842.253208][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2842.253276][ T8552] __msan_chain_origin+0xbf/0x140 [ 2842.253342][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.253412][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.253470][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:36 [ 2842.253541][ T8552] do_recvmmsg+0xd77/0x2120 syzkaller daemon[ 2842.253605][ T8552] ? xfd_validate_state+0xd1/0x2d0 .info dhcpcd[304[ 2842.253673][ T8552] ? 0xffffffff81000000 9]: lapb16: addi[ 2842.253712][ T8552] ? __stack_depot_save+0x21/0x4d0 ng route to 169.[ 2842.253777][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2842.253841][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 254.0.0/16 [ 2842.253913][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.253984][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2842.254056][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.254127][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2842.254195][ T8552] do_fast_syscall_32+0x34/0x70 [ 2842.254260][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2842.254322][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.254391][ T8552] RIP: 0023:0xf6f00549 [ 2842.254422][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2842.254469][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2842.254514][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2842.254547][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2842.254577][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2842.254606][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2842.254634][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2842.254680][ T8552] [ 2842.257612][ T8552] Uninit was stored to memory at: [ 2842.257691][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.257743][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.257791][ T8552] do_recvmmsg+0xd77/0x2120 [ 2842.257850][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2842.257907][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.257971][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2842.258034][ T8552] do_fast_syscall_32+0x34/0x70 [ 2842.258094][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2842.258154][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.258223][ T8552] [ 2842.258230][ T8552] Uninit was stored to memory at: [ 2842.258297][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.258347][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.323201][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2842.327280][ T8552] do_recvmmsg+0xd77/0x2120 [ 2842.510153][ T8525] not chained 2060000 origins [ 2842.512849][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2842.512916][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.512977][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2842.513041][ T8552] do_fast_syscall_32+0x34/0x70 [ 2842.513101][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2842.513159][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.518104][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2842.528835][ T8552] [ 2842.533238][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2842.533266][ T8525] Call Trace: [ 2842.533281][ T8525] [ 2842.533298][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2842.537976][ T8552] Uninit was stored to memory at: [ 2842.538053][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.542644][ T8525] dump_stack+0x25/0x28 [ 2842.542704][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2842.549017][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.554025][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2842.554094][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2842.558932][ T8552] do_recvmmsg+0xd77/0x2120 [ 2842.563447][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2842.563523][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2842.569828][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2842.578137][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2842.578203][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2842.580528][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.590576][ T8525] ? should_fail+0x75/0x9c0 [ 2842.590624][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2842.593993][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2842.596843][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2842.601503][ T8552] do_fast_syscall_32+0x34/0x70 [ 2842.606511][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2842.606582][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2842.606646][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2842.611859][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2842.615925][ T8525] __msan_chain_origin+0xbf/0x140 [ 2842.621623][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.626545][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.626620][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2842.631718][ T8552] [ 2842.631727][ T8552] Uninit was stored to memory at: [ 2842.636817][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2842.636885][ T8525] do_recvmmsg+0xd77/0x2120 [ 2842.641431][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.647168][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2842.647251][ T8525] ? 0xffffffff81000000 [ 2842.652317][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.656913][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2842.662068][ T8552] do_recvmmsg+0xd77/0x2120 [ 2842.667782][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2842.674171][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2842.678587][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2842.683754][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.688696][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.694987][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2842.699750][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2842.705869][ T8552] do_fast_syscall_32+0x34/0x70 [ 2842.710904][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.716751][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2842.721173][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2842.726242][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.732485][ T8525] do_fast_syscall_32+0x34/0x70 [ 2842.732553][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2842.737646][ T8552] [ 2842.737655][ T8552] Uninit was stored to memory at: [ 2842.742567][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.742639][ T8525] RIP: 0023:0xf6e9f549 [ 2842.745020][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.749966][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2842.754873][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.759276][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2842.764457][ T8552] do_recvmmsg+0xd77/0x2120 [ 2842.770429][ T8525] ORIG_RAX: 0000000000000151 [ 2842.770446][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2842.774652][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2842.779491][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2842.784664][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.789069][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2842.794235][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2842.798817][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2842.805114][ T8552] do_fast_syscall_32+0x34/0x70 [ 2842.811348][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2842.817905][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2842.822850][ T8525] [ 2842.826281][ T8525] Uninit was stored to memory at: [ 2842.827567][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.832887][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.838798][ T8552] [ 2842.838807][ T8552] Uninit was stored to memory at: [ 2842.843386][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2842.848429][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.854779][ T8525] do_recvmmsg+0xd77/0x2120 [ 2842.859596][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.864183][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2842.866488][ T8552] do_recvmmsg+0xd77/0x2120 [ 2842.871500][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.877889][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2842.882042][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2842.887131][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.906845][ T8525] do_fast_syscall_32+0x34/0x70 [ 2842.911743][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2842.917877][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2842.922439][ T8552] do_fast_syscall_32+0x34/0x70 [ 2842.927118][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.935150][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2842.939831][ T8525] [ 2842.939840][ T8525] Uninit was stored to memory at: [ 2842.939916][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.947868][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2842.954324][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2842.962340][ T8552] [ 2842.962349][ T8552] Uninit was stored to memory at: [ 2842.962421][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2842.967351][ T8525] do_recvmmsg+0xd77/0x2120 [ 2842.975388][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2842.980241][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2842.988278][ T8552] do_recvmmsg+0xd77/0x2120 [ 2842.992858][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2842.995867][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2843.000958][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2843.007345][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.012548][ T8525] do_fast_syscall_32+0x34/0x70 [ 2843.014856][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2843.019859][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2843.024866][ T8552] do_fast_syscall_32+0x34/0x70 [ 2843.029978][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.034537][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2843.039478][ T8525] [ 2843.039487][ T8525] Uninit was stored to memory at: [ 2843.044210][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.048778][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.055099][ T8552] [ 2843.055110][ T8552] Local variable msg_sys created at: [ 2843.055125][ T8552] do_recvmmsg+0xbb/0x2120 [ 2843.059783][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2843.064868][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2843.071196][ T8525] do_recvmmsg+0xd77/0x2120 [ 2843.254976][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2843.255046][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.255111][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2843.255176][ T8525] do_fast_syscall_32+0x34/0x70 [ 2843.255236][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2843.255296][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.255364][ T8525] [ 2843.255373][ T8525] Uninit was stored to memory at: [ 2843.255445][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.255495][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2843.255542][ T8525] do_recvmmsg+0xd77/0x2120 [ 2843.255599][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2843.255657][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.255714][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2843.255776][ T8525] do_fast_syscall_32+0x34/0x70 [ 2843.255837][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2843.255896][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.255963][ T8525] [ 2843.255970][ T8525] Uninit was stored to memory at: [ 2843.256038][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.256087][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2843.256139][ T8525] do_recvmmsg+0xd77/0x2120 [ 2843.256195][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:36 [ 2843.256253][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 syzkaller user.w[ 2843.256310][ T8525] __do_fast_syscall_32+0x96/0xf0 arn kernel: [ 27[ 2843.256371][ T8525] do_fast_syscall_32+0x34/0x70 91.883147][ T837[ 2843.256431][ T8525] do_SYSENTER_32+0x1b/0x20 7] __sys_recvmm[ 2843.256490][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c sg+0x51c/0x6f0 [ 2843.256557][ T8525] [ 2843.256564][ T8525] Uninit was stored to memory at: [ 2843.256633][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.256682][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2843.256729][ T8525] do_recvmmsg+0xd77/0x2120 [ 2843.256785][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2843.256843][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.256900][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2843.256961][ T8525] do_fast_syscall_32+0x34/0x70 [ 2843.257021][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2843.257080][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.257153][ T8525] [ 2843.257161][ T8525] Uninit was stored to memory at: [ 2843.257229][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.257278][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2843.257326][ T8525] do_recvmmsg+0xd77/0x2120 [ 2843.257382][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2843.257440][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.257497][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2843.257559][ T8525] do_fast_syscall_32+0x34/0x70 [ 2843.257620][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2843.257679][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.257746][ T8525] [ 2843.257755][ T8525] Local variable msg_sys created at: [ 2843.257770][ T8525] do_recvmmsg+0xbb/0x2120 [ 2843.257824][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2843.405452][ T8525] not chained 2070000 origins [ 2843.588868][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2843.588922][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2843.588948][ T8525] Call Trace: [ 2843.588963][ T8525] [ 2843.588979][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2843.589054][ T8525] dump_stack+0x25/0x28 [ 2843.589113][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2843.589183][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2843.589251][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2843.589316][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2843.589389][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2843.589437][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2843.589501][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2843.589575][ T8525] ? should_fail+0x75/0x9c0 [ 2843.589629][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2843.589692][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2843.676557][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2843.682790][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2843.687961][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2843.693830][ T8525] __msan_chain_origin+0xbf/0x140 [ 2843.698942][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.699021][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2843.709081][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2843.713985][ T8525] do_recvmmsg+0xd77/0x2120 [ 2843.718551][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2843.724693][ T8525] ? 0xffffffff81000000 [ 2843.728880][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2843.734058][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2843.739228][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2843.745549][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.752116][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2843.756858][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.763251][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2843.768374][ T8525] do_fast_syscall_32+0x34/0x70 [ 2843.768444][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2843.768507][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.768579][ T8525] RIP: 0023:0xf6e9f549 [ 2843.768617][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2843.768664][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2843.768710][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2843.768743][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2843.832394][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2843.840391][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2843.848389][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2843.856407][ T8525] [ 2843.856772][ T8552] not chained 2080000 origins May 18 04:06:36 [ 2843.859679][ T8525] Uninit was stored to memory at: syzkaller daemon[ 2843.864328][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 .err dhcpcd[3049[ 2843.870798][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.880272][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ]: ps_root_recvm[ 2843.880300][ T8552] Call Trace: [ 2843.880315][ T8552] sg: Invalid argu[ 2843.880332][ T8552] dump_stack_lvl+0x1ff/0x28e ment May 18 04:[ 2843.880405][ T8552] dump_stack+0x25/0x28 [ 2843.880467][ T8552] kmsan_internal_chain_origin+0x78/0x120 06:36 syzkaller [ 2843.886946][ T8525] get_compat_msghdr+0x108/0x2c0 user.warn kernel[ 2843.896890][ T8552] ? kmsan_get_metadata+0x33/0x220 : [ 2791.887873][ 2843.896961][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2843.897028][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ T8377] __ia32[ 2843.897109][ T8552] ? preempt_count_sub+0xf8/0x330 _compat_sys_recv[ 2843.904781][ T8525] do_recvmmsg+0xd77/0x2120 mmsg_time32+0x16[ 2843.910575][ T8552] ? kmsan_get_metadata+0x33/0x220 e/0x1d0 May 18 [ 2843.910644][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2843.910720][ T8552] ? should_fail+0x75/0x9c0 04:06:37 syzkall[ 2843.916293][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2843.921903][ T8552] ? kmsan_get_metadata+0x33/0x220 er daemon.err dh[ 2843.921973][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2843.922046][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 cpcd[3049]: scri[ 2843.922124][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2843.928422][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 pt_runreason: Bad message [ 2843.934772][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2843.934856][ T8552] __msan_chain_origin+0xbf/0x140 [ 2843.934921][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2843.935054][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2843.935112][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2843.947479][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2843.953576][ T8552] do_recvmmsg+0xd77/0x2120 [ 2843.953654][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2843.953725][ T8552] ? 0xffffffff81000000 [ 2843.953767][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2843.953833][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2843.959684][ T8525] do_fast_syscall_32+0x34/0x70 [ 2843.966022][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2843.966104][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.966173][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2843.966252][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2843.973436][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2843.977828][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2843.977903][ T8552] do_fast_syscall_32+0x34/0x70 [ 2843.977974][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2843.983965][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.988957][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2843.989031][ T8552] RIP: 0023:0xf6f00549 [ 2843.989065][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2843.989113][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2843.996672][ T8525] [ 2844.002615][ T8552] ORIG_RAX: 0000000000000151 [ 2844.002633][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2844.002669][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2844.002701][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2844.002730][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2844.002760][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2844.002805][ T8552] [ 2844.006131][ T8552] Uninit was stored to memory at: [ 2844.015758][ T8525] Uninit was stored to memory at: [ 2844.015836][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.015888][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2844.015934][ T8525] do_recvmmsg+0xd77/0x2120 [ 2844.015990][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.016045][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.016100][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2844.016161][ T8525] do_fast_syscall_32+0x34/0x70 [ 2844.016222][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2844.016280][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.016345][ T8525] [ 2844.016352][ T8525] Uninit was stored to memory at: [ 2844.016418][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.016471][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2844.016518][ T8525] do_recvmmsg+0xd77/0x2120 [ 2844.016572][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.016626][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.016680][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2844.016740][ T8525] do_fast_syscall_32+0x34/0x70 [ 2844.016797][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2844.016853][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.016920][ T8525] [ 2844.017054][ T8525] Uninit was stored to memory at: [ 2844.017121][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.023893][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.028704][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2844.033917][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2844.038817][ T8525] do_recvmmsg+0xd77/0x2120 [ 2844.043745][ T8552] do_recvmmsg+0xd77/0x2120 [ 2844.048731][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.053316][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2844.058385][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.062621][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.067695][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2844.072892][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2844.077703][ T8525] do_fast_syscall_32+0x34/0x70 [ 2844.084028][ T8552] do_fast_syscall_32+0x34/0x70 [ 2844.090495][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2844.095253][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2844.101540][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.106120][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.111105][ T8525] [ 2844.111114][ T8525] Uninit was stored to memory at: [ 2844.116122][ T8552] [ 2844.120646][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.126990][ T8552] Uninit was stored to memory at: [ 2844.133347][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2844.137459][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.157079][ T8525] do_recvmmsg+0xd77/0x2120 [ 2844.163227][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2844.165539][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.170195][ T8552] do_recvmmsg+0xd77/0x2120 [ 2844.178230][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.186307][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2844.194321][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2844.202380][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.210338][ T8525] do_fast_syscall_32+0x34/0x70 [ 2844.213445][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2844.218469][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2844.223583][ T8552] do_fast_syscall_32+0x34/0x70 [ 2844.228652][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.233698][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2844.238184][ T8525] [ 2844.238196][ T8525] Uninit was stored to memory at: [ 2844.242977][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.249354][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.254497][ T8552] [ 2844.259319][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2844.263890][ T8552] Uninit was stored to memory at: [ 2844.263963][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.270196][ T8525] do_recvmmsg+0xd77/0x2120 [ 2844.272617][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2844.277610][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.282804][ T8552] do_recvmmsg+0xd77/0x2120 [ 2844.287700][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.292288][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2844.296929][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2844.303347][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.308328][ T8525] do_fast_syscall_32+0x34/0x70 [ 2844.313270][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2844.317737][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2844.324151][ T8552] do_fast_syscall_32+0x34/0x70 [ 2844.326439][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.331443][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2844.336617][ T8525] [ 2844.336626][ T8525] Uninit was stored to memory at: [ 2844.336700][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.341727][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.346764][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2844.353927][ T8552] [ 2844.358388][ T8525] do_recvmmsg+0xd77/0x2120 [ 2844.363012][ T8552] Uninit was stored to memory at: [ 2844.367667][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.372505][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.378763][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.385200][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2844.390191][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2844.395296][ T8552] do_recvmmsg+0xd77/0x2120 [ 2844.400109][ T8525] do_fast_syscall_32+0x34/0x70 [ 2844.405040][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2844.409509][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2844.414092][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.420387][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.426824][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2844.429145][ T8525] [ 2844.429156][ T8525] Local variable msg_sys created at: [ 2844.434251][ T8552] do_fast_syscall_32+0x34/0x70 [ 2844.436550][ T8525] do_recvmmsg+0xbb/0x2120 [ 2844.441644][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2844.446738][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.451673][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.612770][ T2821] EXT4-fs error: 3 callbacks suppressed [ 2844.612836][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2844.616324][ T8552] [ 2844.751002][ T8525] not chained 2090000 origins [ 2844.752351][ T8552] Uninit was stored to memory at: [ 2844.752430][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.752480][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2844.756959][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2844.761615][ T8552] do_recvmmsg+0xd77/0x2120 [ 2844.767924][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2844.767950][ T8525] Call Trace: [ 2844.767965][ T8525] [ 2844.767981][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2844.768058][ T8525] dump_stack+0x25/0x28 [ 2844.773651][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2844.784225][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2844.784297][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2844.786640][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.791303][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2844.796407][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2844.801403][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2844.806420][ T8552] do_fast_syscall_32+0x34/0x70 [ 2844.814632][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2844.814682][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2844.819207][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2844.829249][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2844.829325][ T8525] ? should_fail+0x75/0x9c0 [ 2844.832695][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.835552][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2844.840205][ T8552] [ 2844.840213][ T8552] Uninit was stored to memory at: [ 2844.844344][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2844.844428][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2844.849178][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.854832][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2844.854899][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2844.860022][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2844.866335][ T8525] __msan_chain_origin+0xbf/0x140 [ 2844.866403][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.871524][ T8552] do_recvmmsg+0xd77/0x2120 [ 2844.876561][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2844.876620][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2844.882509][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2844.887262][ T8525] do_recvmmsg+0xd77/0x2120 [ 2844.892364][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.897363][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2844.901942][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2844.907644][ T8525] ? 0xffffffff81000000 [ 2844.912213][ T8552] do_fast_syscall_32+0x34/0x70 [ 2844.918435][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2844.923619][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2844.925835][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2844.930840][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2844.937720][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2844.937797][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.943947][ T8552] [ 2844.948970][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2844.954156][ T8552] Uninit was stored to memory at: [ 2844.959862][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2844.964930][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2844.969793][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2844.974979][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2844.979377][ T8525] do_fast_syscall_32+0x34/0x70 [ 2844.984401][ T8552] do_recvmmsg+0xd77/0x2120 [ 2844.989140][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2844.993874][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2844.998286][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.004691][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.010646][ T8525] RIP: 0023:0xf6e9f549 [ 2845.015754][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.019795][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2845.024727][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.029720][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2845.034309][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.039304][ T8525] ORIG_RAX: 0000000000000151 [ 2845.039320][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2845.045802][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.052010][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2845.052042][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2845.052071][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2845.052099][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2845.058574][ T8552] [ 2845.058585][ T8552] Local variable msg_sys created at: [ 2845.060904][ T8525] [ 2845.065651][ T8552] do_recvmmsg+0xbb/0x2120 [ 2845.072799][ T8525] Uninit was stored to memory at: [ 2845.076981][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.082390][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.249267][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.249328][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.249387][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.249444][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.249502][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.249566][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.249626][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.249686][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.249754][ T8525] [ 2845.249762][ T8525] Uninit was stored to memory at: May 18 04:06:38 [ 2845.249836][ T8525] __get_compat_msghdr+0x6e1/0x9d0 syzkaller user.w[ 2845.249885][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.249933][ T8525] do_recvmmsg+0xd77/0x2120 arn kernel: [ 27[ 2845.249995][ T8525] __sys_recvmmsg+0x51c/0x6f0 91.894322][ T837[ 2845.250053][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 7] __do_fast_sy[ 2845.250110][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.250172][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.250233][ T8525] do_SYSENTER_32+0x1b/0x20 scall_32+0x96/0x[ 2845.250292][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.250359][ T8525] f0 [ 2845.250366][ T8525] Uninit was stored to memory at: [ 2845.250436][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.250485][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.250533][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.250590][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.250647][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.250705][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.250766][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.250827][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.250886][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.250953][ T8525] [ 2845.250960][ T8525] Uninit was stored to memory at: [ 2845.251036][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.251086][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.251134][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.251191][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.251248][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.251306][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.251367][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.251428][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.251487][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.251554][ T8525] [ 2845.251562][ T8525] Uninit was stored to memory at: [ 2845.251631][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.251680][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.251728][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.251861][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.251919][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.251976][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.252043][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.252102][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.252161][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.252228][ T8525] [ 2845.252235][ T8525] Uninit was stored to memory at: [ 2845.252305][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.252354][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.252402][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.252458][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.252515][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.252572][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.252634][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.252694][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.252752][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.252819][ T8525] [ 2845.252826][ T8525] Uninit was stored to memory at: [ 2845.252895][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.252944][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.252997][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.253054][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.253110][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.253168][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.253230][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.253290][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.253349][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.253416][ T8525] [ 2845.253425][ T8525] Local variable msg_sys created at: [ 2845.253441][ T8525] do_recvmmsg+0xbb/0x2120 [ 2845.253494][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.311523][ T8525] not chained 2100000 origins [ 2845.345337][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2845.350829][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2845.517206][ T8552] not chained 2110000 origins [ 2845.518069][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2845.695488][ T8525] Call Trace: [ 2845.695508][ T8525] [ 2845.695523][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2845.695593][ T8525] dump_stack+0x25/0x28 [ 2845.695650][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2845.695714][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2845.695778][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2845.695836][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.695902][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2845.695947][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2845.696006][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.696072][ T8525] ? should_fail+0x75/0x9c0 [ 2845.696114][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2845.696173][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2845.696237][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2845.696301][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2845.696359][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.696422][ T8525] __msan_chain_origin+0xbf/0x140 [ 2845.696481][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.696548][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.696604][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2845.696664][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.696724][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2845.696797][ T8525] ? 0xffffffff81000000 [ 2845.696833][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2845.696892][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2845.696950][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2845.697018][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:38 [ 2845.697076][ T8525] __sys_recvmmsg+0x51c/0x6f0 syzkaller daemon[ 2845.697145][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 .err dhcpcd[3049[ 2845.697209][ T8525] __do_fast_syscall_32+0x96/0xf0 ]: ps_root_recvm[ 2845.697272][ T8525] do_fast_syscall_32+0x34/0x70 sg: Invalid argu[ 2845.697331][ T8525] do_SYSENTER_32+0x1b/0x20 ment [ 2845.697387][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.697452][ T8525] RIP: 0023:0xf6e9f549 [ 2845.697481][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2845.697524][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2845.697566][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2845.697595][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2845.697628][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2845.697654][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2845.697679][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2845.697717][ T8525] [ 2845.697733][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2845.697780][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2845.697804][ T8552] Call Trace: [ 2845.697817][ T8552] [ 2845.697831][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2845.697899][ T8552] dump_stack+0x25/0x28 [ 2845.697957][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2845.698024][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.698090][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.698162][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.698234][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2845.698280][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.698341][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.698410][ T8552] ? should_fail+0x75/0x9c0 [ 2845.698452][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.698513][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2845.698580][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2845.698647][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.698723][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.698789][ T8552] __msan_chain_origin+0xbf/0x140 [ 2845.698857][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.698938][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.698993][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2845.699058][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.699129][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2845.699197][ T8552] ? 0xffffffff81000000 [ 2845.699237][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2845.699300][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.699367][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2845.699438][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.699500][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.699573][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.699644][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.699716][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.699779][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.699839][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.699907][ T8552] RIP: 0023:0xf6f00549 [ 2845.699937][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2845.699983][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2845.700028][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2845.700062][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2845.700092][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2845.700125][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2845.700153][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2845.700194][ T8552] [ 2845.700208][ T8552] Uninit was stored to memory at: [ 2845.700275][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.700324][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.700369][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.700425][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.700483][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.700538][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.700597][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.700655][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.700711][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.700775][ T8552] [ 2845.700783][ T8552] Uninit was stored to memory at: [ 2845.700849][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.700896][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.700942][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.700995][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.701052][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.701114][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.701174][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.701232][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.701287][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.701352][ T8552] [ 2845.701360][ T8552] Uninit was stored to memory at: [ 2845.701425][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.701472][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.701518][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.701572][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.701627][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.701683][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.701745][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.701892][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.701949][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.702014][ T8552] [ 2845.702021][ T8552] Uninit was stored to memory at: [ 2845.702039][ T8525] Uninit was stored to memory at: [ 2845.702088][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.702106][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.702141][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.702153][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.702188][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.702199][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.702242][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.702252][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.702296][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.702307][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.702351][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.702362][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.702409][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.702420][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.702468][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.702478][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.702524][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.702534][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.702589][ T8552] [ 2845.702596][ T8552] Uninit was stored to memory at: [ 2845.702604][ T8525] [ 2845.702612][ T8525] Uninit was stored to memory at: [ 2845.702662][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.702677][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.702709][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.702724][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.702755][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.702769][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.702809][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.702822][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.702864][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.702877][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.702919][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.702931][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.702977][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.702990][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.703035][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.703048][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.703091][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.703104][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.703160][ T8552] [ 2845.703168][ T8525] [ 2845.703167][ T8552] Uninit was stored to memory at: [ 2845.703176][ T8525] Uninit was stored to memory at: [ 2845.703234][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.703240][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.703281][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.703286][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.703327][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.703332][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.703382][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.703386][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.703437][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.703439][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.703493][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.703495][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.703552][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.703553][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.703611][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.703616][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.703667][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.703673][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.703731][ T8552] [ 2845.703736][ T8525] [ 2845.703739][ T8552] Uninit was stored to memory at: [ 2845.703744][ T8525] Uninit was stored to memory at: [ 2845.703804][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.703810][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.703852][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.703856][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.703898][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.703903][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.703952][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.703957][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.704007][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.704011][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.704063][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.704066][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.704125][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.704127][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.704183][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.704185][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.704240][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.704242][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.704305][ T8525] [ 2845.704306][ T8552] [ 2845.704312][ T8525] Uninit was stored to memory at: [ 2845.704316][ T8552] Local variable msg_sys created at: [ 2845.704330][ T8552] do_recvmmsg+0xbb/0x2120 [ 2845.704378][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.704381][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.704439][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.704485][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.704540][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.704596][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.704658][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.704718][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.704778][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.704837][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.704903][ T8525] [ 2845.704910][ T8525] Uninit was stored to memory at: [ 2845.704979][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.705027][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.705075][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.705131][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.705188][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.705245][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.705305][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.705365][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.705423][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.705490][ T8525] [ 2845.705497][ T8525] Uninit was stored to memory at: [ 2845.705566][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.705621][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2845.705670][ T8525] do_recvmmsg+0xd77/0x2120 [ 2845.705726][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.705786][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.705842][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2845.705901][ T8525] do_fast_syscall_32+0x34/0x70 [ 2845.705961][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2845.706019][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.706083][ T8525] [ 2845.706092][ T8525] Local variable msg_sys created at: [ 2845.706107][ T8525] do_recvmmsg+0xbb/0x2120 [ 2845.706158][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2845.914676][ T8552] not chained 2120000 origins [ 2845.914702][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2845.914751][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2845.914778][ T8552] Call Trace: [ 2845.914793][ T8552] [ 2845.914809][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2845.914885][ T8552] dump_stack+0x25/0x28 [ 2845.914944][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2845.915015][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.915082][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.915146][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.915220][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2845.915268][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.915333][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.915407][ T8552] ? should_fail+0x75/0x9c0 [ 2845.915455][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.915519][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2845.915591][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2845.915667][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.915732][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2845.915806][ T8552] __msan_chain_origin+0xbf/0x140 [ 2845.915871][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.915945][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.916003][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2845.916069][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.916135][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2845.916203][ T8552] ? 0xffffffff81000000 [ 2845.916243][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2845.916307][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2845.916372][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2845.916447][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.916513][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.916588][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.916664][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.916734][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.916800][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.916864][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.916936][ T8552] RIP: 0023:0xf6f00549 [ 2845.916967][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2845.917014][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2845.917060][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2845.917093][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2845.917124][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2845.917152][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2845.917181][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2845.917223][ T8552] [ 2845.917237][ T8552] Uninit was stored to memory at: [ 2845.917306][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.917356][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.917403][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.917461][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.917517][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.917575][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.917642][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.917703][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.917763][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.917830][ T8552] [ 2845.917838][ T8552] Uninit was stored to memory at: [ 2845.917907][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.917956][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.918004][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.918062][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.918119][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.918178][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.918240][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.918300][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.918359][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.918426][ T8552] [ 2845.918433][ T8552] Uninit was stored to memory at: [ 2845.918501][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.918551][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.918603][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.918660][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.918718][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.918776][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.918838][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.918899][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.918959][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.919026][ T8552] [ 2845.919034][ T8552] Uninit was stored to memory at: [ 2845.919103][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.919153][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.919201][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.919258][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.919316][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.919374][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.919436][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.919495][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.919554][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.919628][ T8552] [ 2845.919636][ T8552] Uninit was stored to memory at: [ 2845.919705][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.919755][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.919803][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.919860][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.919917][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.919976][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.920038][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.920099][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.920159][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.920227][ T8552] [ 2845.920234][ T8552] Uninit was stored to memory at: [ 2845.920304][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.920353][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.920401][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.920458][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2845.920515][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2845.920573][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2845.920639][ T8552] do_fast_syscall_32+0x34/0x70 [ 2845.920699][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2845.920759][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2845.920827][ T8552] [ 2845.920834][ T8552] Uninit was stored to memory at: [ 2845.920902][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2845.920951][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2845.920999][ T8552] do_recvmmsg+0xd77/0x2120 [ 2845.992320][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2845.998575][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2846.294878][ T8525] not chained 2130000 origins [ 2846.300641][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2846.309107][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2846.316824][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2846.324688][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2846.324722][ T8525] Call Trace: [ 2846.324738][ T8525] [ 2846.324755][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2846.324830][ T8525] dump_stack+0x25/0x28 [ 2846.332892][ T8552] do_fast_syscall_32+0x34/0x70 [ 2846.340784][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2846.343945][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2846.348809][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2846.354020][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2846.358838][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2846.363471][ T8552] [ 2846.367993][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2846.374413][ T8552] Local variable msg_sys created at: [ 2846.379319][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2846.384255][ T8552] do_recvmmsg+0xbb/0x2120 [ 2846.388639][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2846.395080][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2846.397276][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2846.737256][ T8552] not chained 2140000 origins [ 2846.738573][ T8525] ? should_fail+0x75/0x9c0 [ 2847.877168][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2847.877240][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2847.877305][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2847.877369][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2847.877433][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2847.877496][ T8525] __msan_chain_origin+0xbf/0x140 [ 2847.877555][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.877623][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.877675][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2847.877735][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.877794][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2847.877868][ T8525] ? 0xffffffff81000000 [ 2847.877905][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2847.877964][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2847.878022][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2847.878090][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.878148][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.878216][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.878280][ T8525] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:38 [ 2847.878345][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.878404][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.878466][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c syzkaller user.w[ 2847.878530][ T8525] RIP: 0023:0xf6e9f549 arn kernel: [ 27[ 2847.878559][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 91.899397][ T837[ 2847.878602][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 7] do_fast_sysc[ 2847.878643][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 all_32+0x34/0x70[ 2847.878674][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2847.878701][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2847.878727][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2847.878752][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2847.878789][ T8525] [ 2847.878805][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2847.878852][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2847.878877][ T8552] Call Trace: [ 2847.878892][ T8552] [ 2847.878907][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2847.878981][ T8552] dump_stack+0x25/0x28 [ 2847.879038][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2847.879104][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2847.879169][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2847.879233][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2847.879305][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2847.879351][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2847.879413][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2847.879482][ T8552] ? should_fail+0x75/0x9c0 [ 2847.879526][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2847.879587][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2847.879653][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2847.879720][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2847.879780][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2847.879847][ T8552] __msan_chain_origin+0xbf/0x140 [ 2847.879908][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.879984][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.880038][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2847.880101][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.880164][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2847.880230][ T8552] ? 0xffffffff81000000 [ 2847.880270][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2847.880333][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2847.880397][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2847.880471][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.880537][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.880611][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.880682][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.880749][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.880811][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.880870][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.880941][ T8552] RIP: 0023:0xf6f00549 [ 2847.880972][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2847.881016][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2847.881060][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2847.881092][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2847.881122][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2847.881148][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2847.881176][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2847.881216][ T8552] [ 2847.881230][ T8552] Uninit was stored to memory at: [ 2847.881299][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.881347][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.881394][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.881449][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.881504][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.881559][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.881618][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.881674][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.881731][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.881912][ T8552] [ 2847.881925][ T8552] Uninit was stored to memory at: [ 2847.881994][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.882042][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.882089][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.882145][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.882202][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.882257][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.882315][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.882372][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.882428][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.882495][ T8552] [ 2847.882503][ T8552] Uninit was stored to memory at: [ 2847.882570][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.882616][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.882662][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.882716][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.882770][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.882826][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.882885][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.882952][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.883010][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.883074][ T8552] [ 2847.883081][ T8552] Uninit was stored to memory at: [ 2847.883147][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.883194][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.883241][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.883294][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.883349][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.883403][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.883464][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.883522][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.883578][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.883646][ T8552] [ 2847.883654][ T8552] Uninit was stored to memory at: [ 2847.883720][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.883773][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.883819][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.883872][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.883938][ T8525] Uninit was stored to memory at: [ 2847.883933][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.883989][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.884005][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.884053][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.884048][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.884099][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.884106][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.884152][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.884163][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.884227][ T8552] [ 2847.884206][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.884235][ T8552] Uninit was stored to memory at: [ 2847.884262][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2847.884301][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.884320][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.884353][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.884378][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.884399][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.884457][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.884468][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.884522][ T8525] [ 2847.884529][ T8525] Uninit was stored to memory at: [ 2847.884523][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.884578][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.884594][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.884641][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.884637][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.884687][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.884695][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.884741][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.884751][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.884816][ T8552] [ 2847.884795][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.884823][ T8552] Uninit was stored to memory at: [ 2847.884850][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2847.884888][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.884909][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.884940][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2847.884967][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.884986][ T8552] do_recvmmsg+0xd77/0x2120 [ 2847.885023][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.885040][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.885087][ T8525] [ 2847.885095][ T8525] Uninit was stored to memory at: [ 2847.885095][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.885150][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2847.885161][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.885207][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.885209][ T8552] do_fast_syscall_32+0x34/0x70 [ 2847.885252][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.885266][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2847.885305][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.885322][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.885360][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.885386][ T8552] [ 2847.885394][ T8552] Local variable msg_sys created at: [ 2847.885409][ T8552] do_recvmmsg+0xbb/0x2120 [ 2847.885415][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2847.885460][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2847.885479][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.885537][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.885593][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.885657][ T8525] [ 2847.885663][ T8525] Uninit was stored to memory at: [ 2847.885733][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.885780][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.885826][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.885882][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.885938][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.885998][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2847.886059][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.886118][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.886175][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.886242][ T8525] [ 2847.886248][ T8525] Uninit was stored to memory at: [ 2847.886314][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.886363][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.886411][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.886472][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.886529][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.886586][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2847.886645][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.886706][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.886763][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.886828][ T8525] [ 2847.886835][ T8525] Uninit was stored to memory at: [ 2847.886903][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.886950][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.886998][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.887053][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.887108][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.887165][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2847.887225][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.887284][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.887343][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.887407][ T8525] [ 2847.887414][ T8525] Uninit was stored to memory at: [ 2847.887488][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2847.887536][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2847.887582][ T8525] do_recvmmsg+0xd77/0x2120 [ 2847.887638][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2847.887694][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2847.887749][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2847.887811][ T8525] do_fast_syscall_32+0x34/0x70 [ 2847.887870][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2847.887927][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2847.887994][ T8525] [ 2847.888002][ T8525] Local variable msg_sys created at: [ 2847.888017][ T8525] do_recvmmsg+0xbb/0x2120 [ 2847.888068][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2848.074833][ T8525] not chained 2150000 origins [ 2848.074860][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2848.074910][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2848.074940][ T8525] Call Trace: [ 2848.074954][ T8525] [ 2848.074971][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2848.075046][ T8525] dump_stack+0x25/0x28 [ 2848.075104][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2848.075176][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2848.075243][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2848.075308][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2848.075382][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2848.075432][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2848.075496][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2848.075570][ T8525] ? should_fail+0x75/0x9c0 [ 2848.075617][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2848.075681][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2848.075752][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2848.075823][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2848.075895][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2848.075970][ T8525] __msan_chain_origin+0xbf/0x140 [ 2848.076035][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2848.076109][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2848.076166][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2848.076233][ T8525] do_recvmmsg+0xd77/0x2120 [ 2848.076299][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2848.076381][ T8525] ? 0xffffffff81000000 [ 2848.076421][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2848.076485][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2848.116238][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2848.119541][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2848.119626][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2848.119695][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2848.119771][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2848.283884][ T8552] not chained 2160000 origins [ 2848.289633][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.459158][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.459231][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.459287][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.459353][ T8525] RIP: 0023:0xf6e9f549 [ 2849.459382][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2849.459425][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2849.459468][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2849.459499][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2849.459526][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2849.459552][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2849.459578][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2849.459616][ T8525] [ 2849.459633][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2849.459681][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2849.459705][ T8552] Call Trace: [ 2849.459719][ T8552] [ 2849.459734][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2849.459802][ T8552] dump_stack+0x25/0x28 May 18 04:06:38 [ 2849.459860][ T8552] kmsan_internal_chain_origin+0x78/0x120 syzkaller user.w[ 2849.459928][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.459996][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.460060][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2849.460132][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2849.460180][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.460244][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2849.460317][ T8552] ? should_fail+0x75/0x9c0 [ 2849.460361][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.460422][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2849.460494][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2849.460560][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.460622][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2849.460687][ T8552] __msan_chain_origin+0xbf/0x140 [ 2849.460750][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.460823][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.460879][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2849.460947][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.461010][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2849.461075][ T8552] ? 0xffffffff81000000 [ 2849.461113][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2849.461174][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.461236][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2849.461308][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.461370][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.461447][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.461515][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.461582][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.461643][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.461705][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.461778][ T8552] RIP: 0023:0xf6f00549 [ 2849.461809][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2849.461856][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2849.461901][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2849.461934][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2849.461963][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2849.461992][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2849.462020][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2849.462062][ T8552] [ 2849.462154][ T8552] Uninit was stored to memory at: [ 2849.462223][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.462272][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.462317][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.462371][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.462434][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.462491][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.462549][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.462607][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.462663][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.462728][ T8552] [ 2849.462735][ T8552] Uninit was stored to memory at: [ 2849.462801][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.462848][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.462893][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.462947][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.463002][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.463057][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.463120][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.463179][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.463235][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.463299][ T8552] [ 2849.463306][ T8552] Uninit was stored to memory at: [ 2849.463373][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.463419][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.463470][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.463526][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.463584][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.463638][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.463698][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.463755][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.463812][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.463876][ T8552] [ 2849.463883][ T8552] Uninit was stored to memory at: [ 2849.463952][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.464001][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.464046][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.464100][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.464154][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.464210][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.464269][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.464327][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.464387][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.464470][ T8552] [ 2849.464478][ T8552] Uninit was stored to memory at: [ 2849.464544][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.464590][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.464636][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.464690][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.464744][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.464809][ T8525] Uninit was stored to memory at: [ 2849.464801][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.464860][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.464877][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.464918][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.464925][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2849.464976][ T8525] do_recvmmsg+0xd77/0x2120 [ 2849.464975][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.465039][ T8552] [ 2849.465047][ T8552] Uninit was stored to memory at: [ 2849.465030][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.465084][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.465113][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.465139][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.465159][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.465198][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.465205][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.465255][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.465259][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.465314][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.465312][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.465377][ T8525] [ 2849.465384][ T8525] Uninit was stored to memory at: [ 2849.465369][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.465432][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.465449][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.465489][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.465496][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2849.465543][ T8525] do_recvmmsg+0xd77/0x2120 [ 2849.465546][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.465611][ T8552] [ 2849.465618][ T8552] Uninit was stored to memory at: [ 2849.465596][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.465651][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.465683][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.465707][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.465730][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2849.465766][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.465775][ T8552] do_recvmmsg+0xd77/0x2120 [ 2849.465823][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.465830][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.465884][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.465881][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.465951][ T8525] [ 2849.465957][ T8525] Uninit was stored to memory at: [ 2849.465940][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2849.465999][ T8552] do_fast_syscall_32+0x34/0x70 [ 2849.466023][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.466056][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2849.466069][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2849.466115][ T8525] do_recvmmsg+0xd77/0x2120 [ 2849.466112][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.466180][ T8552] [ 2849.466188][ T8552] Local variable msg_sys created at: [ 2849.466168][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.466203][ T8552] do_recvmmsg+0xbb/0x2120 [ 2849.466224][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.466254][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2849.466279][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.466338][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.466396][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.466454][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.466520][ T8525] [ 2849.466527][ T8525] Uninit was stored to memory at: [ 2849.466595][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.466644][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2849.466692][ T8525] do_recvmmsg+0xd77/0x2120 [ 2849.466748][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.466805][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.466862][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.466923][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.466988][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.467046][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.467110][ T8525] [ 2849.467117][ T8525] Uninit was stored to memory at: [ 2849.467183][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.467231][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2849.467277][ T8525] do_recvmmsg+0xd77/0x2120 [ 2849.467332][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.467386][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.467442][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.467502][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.467562][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.467620][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.467684][ T8525] [ 2849.467691][ T8525] Uninit was stored to memory at: [ 2849.467758][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.467808][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2849.467855][ T8525] do_recvmmsg+0xd77/0x2120 [ 2849.467911][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.467974][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.468032][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.468092][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.468152][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.468210][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.468277][ T8525] [ 2849.468284][ T8525] Uninit was stored to memory at: [ 2849.468352][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2849.468402][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2849.468447][ T8525] do_recvmmsg+0xd77/0x2120 [ 2849.468502][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.468560][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2849.468617][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2849.468680][ T8525] do_fast_syscall_32+0x34/0x70 [ 2849.468739][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2849.468796][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2849.468860][ T8525] [ 2849.468868][ T8525] Local variable msg_sys created at: [ 2849.468883][ T8525] do_recvmmsg+0xbb/0x2120 [ 2849.469005][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2849.672404][ T8552] not chained 2170000 origins [ 2849.716914][ T1197] ieee802154 phy0 wpan0: encryption failed: -22 [ 2849.722381][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2849.728767][ T1197] ieee802154 phy1 wpan1: encryption failed: -22 [ 2849.733738][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2849.733765][ T8552] Call Trace: [ 2849.733780][ T8552] [ 2849.733796][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2849.733871][ T8552] dump_stack+0x25/0x28 [ 2849.790642][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2849.793399][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2849.793473][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.793545][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.793611][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2849.793676][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2850.159752][ T8525] not chained 2180000 origins [ 2850.163439][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2850.163502][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2850.163570][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2850.163644][ T8552] ? should_fail+0x75/0x9c0 [ 2850.163690][ T8552] ? kmsan_get_metadata+0x33/0x220 arn kernel: [ 2791.904372][ T8377] do_SYSENTER_32+0x1b/0x20 [ 2850.847063][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2850.847139][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2850.847204][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2850.847263][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2850.847326][ T8552] __msan_chain_origin+0xbf/0x140 [ 2850.847386][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.847458][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.847511][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2850.847571][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.847630][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2850.847692][ T8552] ? 0xffffffff81000000 [ 2850.847729][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2850.847787][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2850.847846][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2850.847913][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.847973][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.848041][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.848105][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.848170][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.848229][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.848286][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.848351][ T8552] RIP: 0023:0xf6f00549 [ 2850.848380][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2850.848428][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2850.848469][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2850.848499][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2850.848527][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2850.848553][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2850.848579][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2850.848618][ T8552] [ 2850.848634][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2850.848681][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2850.848706][ T8525] Call Trace: [ 2850.848721][ T8525] [ 2850.848736][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2850.848805][ T8525] dump_stack+0x25/0x28 [ 2850.848863][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2850.848938][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2850.849006][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2850.849069][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2850.849141][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2850.849195][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2850.849257][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2850.849326][ T8525] ? should_fail+0x75/0x9c0 [ 2850.849369][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2850.849432][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2850.849497][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2850.849564][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2850.849625][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2850.849690][ T8525] __msan_chain_origin+0xbf/0x140 [ 2850.849751][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.849820][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.849873][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2850.849942][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.850005][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:06:38 [ 2850.850086][ T8525] ? 0xffffffff81000000 syzkaller daemon[ 2850.850125][ T8525] ? __stack_depot_save+0x21/0x4d0 .err dhcpcd[3049[ 2850.850188][ T8525] ? kmsan_get_metadata+0x33/0x220 ]: ps_root_recvm[ 2850.850251][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2850.850323][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.850390][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.850464][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.850531][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.850597][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.850658][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.850719][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.850787][ T8525] RIP: 0023:0xf6e9f549 [ 2850.850818][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2850.850863][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2850.850906][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2850.850946][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2850.850978][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2850.851006][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2850.851035][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2850.851076][ T8525] [ 2850.851090][ T8525] Uninit was stored to memory at: [ 2850.851157][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.851206][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.851252][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.851307][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.851364][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.851420][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.851479][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.851536][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.851593][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.851660][ T8525] [ 2850.851667][ T8525] Uninit was stored to memory at: [ 2850.851737][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.851903][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.851957][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.852013][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.852070][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.852127][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.852188][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.852248][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.852312][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.852379][ T8525] [ 2850.852387][ T8525] Uninit was stored to memory at: [ 2850.852456][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.852503][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.852549][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.852603][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.852657][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.852713][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.852775][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.852833][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.852889][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.852960][ T8525] [ 2850.852967][ T8525] Uninit was stored to memory at: [ 2850.853034][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.853081][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.853131][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.853188][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.853243][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.853300][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.853362][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.853425][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.853482][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.853546][ T8525] [ 2850.853553][ T8525] Uninit was stored to memory at: [ 2850.853620][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.853666][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.853712][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.853766][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.853819][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.853876][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.853939][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.854000][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.854059][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.854122][ T8525] [ 2850.854130][ T8525] Uninit was stored to memory at: [ 2850.854200][ T8552] Uninit was stored to memory at: [ 2850.854198][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.854245][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.854267][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.854290][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.854314][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.854344][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.854360][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.854399][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.854413][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.854454][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.854473][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.854513][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.854529][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.854571][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.854587][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.854627][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.854645][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.854691][ T8525] [ 2850.854698][ T8525] Uninit was stored to memory at: [ 2850.854701][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.854764][ T8552] [ 2850.854771][ T8552] Uninit was stored to memory at: [ 2850.854764][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.854810][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2850.854837][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.854856][ T8525] do_recvmmsg+0xd77/0x2120 [ 2850.854884][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.854910][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.854929][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.854970][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.854983][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.855025][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2850.855038][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.855083][ T8525] do_fast_syscall_32+0x34/0x70 [ 2850.855094][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.855141][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2850.855153][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.855197][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.855210][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.855261][ T8525] [ 2850.855270][ T8525] Local variable msg_sys created at: [ 2850.855266][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.855284][ T8525] do_recvmmsg+0xbb/0x2120 [ 2850.855330][ T8552] [ 2850.855338][ T8552] Uninit was stored to memory at: [ 2850.855336][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2850.855403][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.855456][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.855503][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.855558][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.855615][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.855670][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.855731][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.855789][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.855845][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.855908][ T8552] [ 2850.855914][ T8552] Uninit was stored to memory at: [ 2850.855980][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.856025][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.856072][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.856125][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.856179][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.856233][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.856299][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.856357][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.856414][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.856484][ T8552] [ 2850.856491][ T8552] Uninit was stored to memory at: [ 2850.856556][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.856603][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.856649][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.856704][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.856758][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.856812][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.856872][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.856930][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.856988][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.857054][ T8552] [ 2850.857062][ T8552] Uninit was stored to memory at: [ 2850.857128][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.857175][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.857221][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.857275][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.857330][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.857386][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.857453][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.857511][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.857569][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.857636][ T8552] [ 2850.857643][ T8552] Uninit was stored to memory at: [ 2850.857709][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2850.857757][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2850.857803][ T8552] do_recvmmsg+0xd77/0x2120 [ 2850.857859][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2850.857915][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2850.857970][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2850.858029][ T8552] do_fast_syscall_32+0x34/0x70 [ 2850.858089][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2850.858147][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2850.858210][ T8552] [ 2850.858219][ T8552] Local variable msg_sys created at: [ 2850.858233][ T8552] do_recvmmsg+0xbb/0x2120 [ 2850.858286][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2851.251526][ T8552] not chained 2190000 origins [ 2851.282348][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2851.285981][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2851.286033][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2851.286059][ T8552] Call Trace: [ 2851.286073][ T8552] [ 2851.286087][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2851.286159][ T8552] dump_stack+0x25/0x28 [ 2851.286215][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2851.286285][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2851.286358][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2851.586910][ T8525] not chained 2200000 origins [ 2851.590723][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2851.590802][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2851.590849][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2851.590912][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2851.590981][ T8552] ? should_fail+0x75/0x9c0 [ 2851.591029][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2851.591093][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2851.591160][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2851.591226][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2851.591288][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2851.591356][ T8552] __msan_chain_origin+0xbf/0x140 [ 2851.591418][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2851.591496][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2851.591551][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2851.591615][ T8552] do_recvmmsg+0xd77/0x2120 [ 2851.591677][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2851.591744][ T8552] ? 0xffffffff81000000 [ 2851.591784][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2851.591849][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2851.591914][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2851.591985][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2851.592049][ T8552] __sys_recvmmsg+0x51c/0x6f0 sg: Invalid argument [ 2852.369210][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.369288][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.369353][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.369412][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.369470][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.369547][ T8552] RIP: 0023:0xf6f00549 [ 2852.369578][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2852.369620][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2852.369662][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2852.369693][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2852.369721][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2852.369747][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2852.369774][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2852.369812][ T8552] [ 2852.369829][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2852.369878][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2852.369903][ T8525] Call Trace: [ 2852.369918][ T8525] [ 2852.369932][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2852.370002][ T8525] dump_stack+0x25/0x28 [ 2852.370059][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2852.370131][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2852.370198][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2852.370261][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.370333][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2852.370381][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2852.370452][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.370525][ T8525] ? should_fail+0x75/0x9c0 [ 2852.370571][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2852.370636][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.370706][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2852.370776][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2852.370840][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.370910][ T8525] __msan_chain_origin+0xbf/0x140 [ 2852.370973][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.371041][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2852.371095][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2852.371158][ T8525] do_recvmmsg+0xd77/0x2120 [ 2852.371220][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2852.371297][ T8525] ? 0xffffffff81000000 [ 2852.371336][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2852.371396][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2852.371465][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.371542][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.371605][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.371679][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.371753][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.371821][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.371882][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.371943][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.372011][ T8525] RIP: 0023:0xf6e9f549 [ 2852.372041][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2852.372086][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2852.372129][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2852.372161][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2852.372189][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2852.372216][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2852.372243][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2852.372284][ T8525] [ 2852.372423][ T8525] Uninit was stored to memory at: [ 2852.372499][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.372547][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2852.372593][ T8525] do_recvmmsg+0xd77/0x2120 [ 2852.372650][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.372706][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.372763][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.372824][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.372884][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.372941][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.373004][ T8525] [ 2852.373012][ T8525] Uninit was stored to memory at: [ 2852.373078][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.373124][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2852.373178][ T8525] do_recvmmsg+0xd77/0x2120 [ 2852.373232][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.373287][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.373342][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.373401][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.373467][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.373524][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.373588][ T8525] [ 2852.373595][ T8525] Uninit was stored to memory at: [ 2852.373661][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.373708][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2852.373753][ T8525] do_recvmmsg+0xd77/0x2120 [ 2852.373808][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.373865][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.373922][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.373981][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.374039][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.374095][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.374159][ T8525] [ 2852.374166][ T8525] Uninit was stored to memory at: [ 2852.374232][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.374281][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2852.374330][ T8525] do_recvmmsg+0xd77/0x2120 [ 2852.374384][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.374443][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.374471][ T8552] Uninit was stored to memory at: [ 2852.374501][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.374538][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.374559][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.374585][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.374617][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.374631][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.374674][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.374685][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.374738][ T8525] [ 2852.374745][ T8525] Uninit was stored to memory at: [ 2852.374740][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.374796][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.374811][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.374858][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2852.374855][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.374904][ T8525] do_recvmmsg+0xd77/0x2120 [ 2852.374913][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.374958][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.374975][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.375012][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.375040][ T8552] [ 2852.375047][ T8552] Uninit was stored to memory at: [ 2852.375067][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.375112][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.375125][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.375160][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.375188][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.375206][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.375244][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.375260][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.375308][ T8525] [ 2852.375315][ T8525] Uninit was stored to memory at: [ 2852.375315][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.375370][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.375381][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.375428][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:06:39 [ 2852.375430][ T8552] do_fast_syscall_32+0x34/0x70 syzkaller daemon[ 2852.375478][ T8525] do_recvmmsg+0xd77/0x2120 .err dhcpcd[8555[ 2852.375489][ T8552] do_SYSENTER_32+0x1b/0x20 ]: ps_bpf_start_[ 2852.375532][ T8525] __sys_recvmmsg+0x51c/0x6f0 bpf: bpf_open: I[ 2852.375545][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.375586][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.375610][ T8552] [ 2852.375618][ T8552] Uninit was stored to memory at: [ 2852.375641][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.375683][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.375699][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.375730][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.375757][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.375776][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.375813][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.375829][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.375878][ T8525] [ 2852.375885][ T8525] Uninit was stored to memory at: [ 2852.375884][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.375943][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.375951][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.375998][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2852.376002][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.376044][ T8525] do_recvmmsg+0xd77/0x2120 [ 2852.376060][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.376098][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.376117][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.376152][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.376181][ T8552] [ 2852.376188][ T8552] Uninit was stored to memory at: [ 2852.376207][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2852.376253][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.376265][ T8525] do_fast_syscall_32+0x34/0x70 [ 2852.376300][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.376323][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2852.376345][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.376380][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.376399][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.376449][ T8525] [ 2852.376458][ T8525] Local variable msg_sys created at: [ 2852.376459][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.376472][ T8525] do_recvmmsg+0xbb/0x2120 [ 2852.376515][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.376524][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2852.376574][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.376632][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.376689][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.376752][ T8552] [ 2852.376759][ T8552] Uninit was stored to memory at: [ 2852.376825][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.376873][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.376919][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.376980][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.377034][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.377089][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.377150][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.377208][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.377264][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.377327][ T8552] [ 2852.377334][ T8552] Uninit was stored to memory at: [ 2852.377401][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.377449][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.377496][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.377552][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.377606][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.377661][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.377719][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.377777][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.377834][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.377900][ T8552] [ 2852.377907][ T8552] Uninit was stored to memory at: [ 2852.377981][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.378030][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.378078][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.378135][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.378190][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.378248][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.378309][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.378370][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.378429][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.378495][ T8552] [ 2852.378504][ T8552] Local variable msg_sys created at: [ 2852.378519][ T8552] do_recvmmsg+0xbb/0x2120 [ 2852.378571][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.568895][ T8552] not chained 2210000 origins [ 2852.568923][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2852.568973][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2852.569004][ T8552] Call Trace: [ 2852.569020][ T8552] [ 2852.569036][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2852.569113][ T8552] dump_stack+0x25/0x28 [ 2852.569171][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2852.569242][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.569309][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.569374][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.569448][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2852.569496][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.569561][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.569636][ T8552] ? should_fail+0x75/0x9c0 [ 2852.569682][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.569747][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.569818][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2852.569889][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.569954][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.570030][ T8552] __msan_chain_origin+0xbf/0x140 [ 2852.570095][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.570169][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.570226][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2852.570293][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.570358][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2852.570427][ T8552] ? 0xffffffff81000000 [ 2852.570468][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2852.570531][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.570596][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.570671][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.570737][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.570817][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.570889][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.570958][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.571029][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.571092][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.571162][ T8552] RIP: 0023:0xf6f00549 [ 2852.571194][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2852.571241][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2852.571288][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2852.571322][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2852.571353][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2852.571382][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2852.571411][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2852.571454][ T8552] [ 2852.571469][ T8552] Uninit was stored to memory at: [ 2852.571540][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.571590][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.571638][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.571695][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.572018][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.572077][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.572139][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.572199][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.572258][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.572325][ T8552] [ 2852.572333][ T8552] Uninit was stored to memory at: [ 2852.572403][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.572452][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.572500][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.572557][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.572615][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.572679][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.572742][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.572804][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.572864][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.572931][ T8552] [ 2852.572939][ T8552] Uninit was stored to memory at: [ 2852.573012][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.573062][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.573110][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.573167][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.573224][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.573282][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.573344][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.573405][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.573465][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.573533][ T8552] [ 2852.573540][ T8552] Uninit was stored to memory at: [ 2852.573610][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.573659][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.573707][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.573764][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.573822][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.573879][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.573943][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.574008][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.574068][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.574135][ T8552] [ 2852.574142][ T8552] Uninit was stored to memory at: [ 2852.574210][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.574259][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.574308][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.574364][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.574422][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.574479][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.574542][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.574603][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.574663][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.574730][ T8552] [ 2852.574738][ T8552] Uninit was stored to memory at: [ 2852.574807][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.574856][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.574904][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.574961][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.575024][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.575082][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.575143][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.575204][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.575262][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.575329][ T8552] [ 2852.575336][ T8552] Uninit was stored to memory at: [ 2852.575405][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.575454][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.575501][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.575558][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.575616][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.575674][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.575736][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.575797][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.575857][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.575926][ T8552] [ 2852.575935][ T8552] Local variable msg_sys created at: [ 2852.575955][ T8552] do_recvmmsg+0xbb/0x2120 [ 2852.576014][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.748224][ T8552] not chained 2220000 origins [ 2852.748250][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2852.748299][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2852.748326][ T8552] Call Trace: [ 2852.748341][ T8552] [ 2852.748357][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2852.748433][ T8552] dump_stack+0x25/0x28 [ 2852.748491][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2852.748562][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.748629][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.748694][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.748768][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2852.748816][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.748881][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.748955][ T8552] ? should_fail+0x75/0x9c0 [ 2852.749002][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.749071][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.749142][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2852.749213][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.749278][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.749348][ T8552] __msan_chain_origin+0xbf/0x140 [ 2852.749413][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.749488][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.749545][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2852.749610][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.749676][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2852.749744][ T8552] ? 0xffffffff81000000 [ 2852.749784][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2852.749847][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.749912][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.749987][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.750057][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.750132][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.750203][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.750272][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.750338][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.750402][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.750472][ T8552] RIP: 0023:0xf6f00549 [ 2852.750504][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2852.750552][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2852.750599][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2852.750633][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2852.750662][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2852.750692][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2852.750721][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2852.750763][ T8552] [ 2852.750779][ T8552] Uninit was stored to memory at: [ 2852.750850][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.750899][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.750947][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.751004][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.751066][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.751124][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.751186][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.751247][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.751306][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.751373][ T8552] [ 2852.751381][ T8552] Uninit was stored to memory at: [ 2852.751450][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.751499][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.751547][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.751603][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.751660][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.751718][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.751912][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.751973][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.752032][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.752104][ T8552] [ 2852.752112][ T8552] Uninit was stored to memory at: [ 2852.752180][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.752229][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.752278][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.752335][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.752393][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.752451][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.752514][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.752574][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.752634][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.752703][ T8552] [ 2852.752710][ T8552] Uninit was stored to memory at: [ 2852.752780][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.752829][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.752877][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.752934][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.752991][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.753053][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.753115][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.753175][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.753235][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.753302][ T8552] [ 2852.753310][ T8552] Uninit was stored to memory at: [ 2852.753380][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.753429][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.753477][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.753535][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.753591][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.753649][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.753712][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.753773][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.753833][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.753900][ T8552] [ 2852.753908][ T8552] Uninit was stored to memory at: [ 2852.753978][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.754027][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.754079][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.754135][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.754191][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.754249][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.754310][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.754371][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.754430][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.754498][ T8552] [ 2852.754506][ T8552] Uninit was stored to memory at: [ 2852.754575][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.754624][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.754672][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.754729][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.754786][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.754844][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.754907][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.754968][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.755028][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.755100][ T8552] [ 2852.755109][ T8552] Local variable msg_sys created at: [ 2852.755125][ T8552] do_recvmmsg+0xbb/0x2120 [ 2852.755178][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.913577][ T8552] not chained 2230000 origins [ 2852.913602][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2852.913651][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2852.913678][ T8552] Call Trace: [ 2852.913692][ T8552] [ 2852.913708][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2852.913784][ T8552] dump_stack+0x25/0x28 [ 2852.913843][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2852.913911][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.913977][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.914047][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.914112][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.914185][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2852.914234][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.914299][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.914373][ T8552] ? should_fail+0x75/0x9c0 [ 2852.914420][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.914485][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.914557][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2852.914628][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.914693][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2852.914764][ T8552] __msan_chain_origin+0xbf/0x140 [ 2852.914829][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.914902][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.914959][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2852.915027][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.915098][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2852.915166][ T8552] ? 0xffffffff81000000 [ 2852.915206][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2852.915269][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2852.915334][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2852.915408][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.915474][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.915549][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.915620][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.915690][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.915756][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.915820][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.915891][ T8552] RIP: 0023:0xf6f00549 [ 2852.915923][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2852.915970][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2852.916015][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2852.916054][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2852.916084][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2852.916114][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2852.916142][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2852.916184][ T8552] [ 2852.916199][ T8552] Uninit was stored to memory at: [ 2852.916270][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.916320][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.916368][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.916425][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.916483][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.916544][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.916607][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.916668][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.916728][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.916796][ T8552] [ 2852.916804][ T8552] Uninit was stored to memory at: [ 2852.916873][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.916922][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.916971][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.917028][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.917093][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.917151][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.917214][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.917274][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.917333][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.917400][ T8552] [ 2852.917408][ T8552] Uninit was stored to memory at: [ 2852.917477][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.917526][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.917574][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.917631][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.917688][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.917746][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.917808][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.917869][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.917929][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.917996][ T8552] [ 2852.918004][ T8552] Uninit was stored to memory at: [ 2852.918078][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.918127][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.918175][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.918232][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.918290][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.918348][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.918409][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.918469][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.918528][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.918595][ T8552] [ 2852.918603][ T8552] Uninit was stored to memory at: [ 2852.918671][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.918720][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.918768][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.918823][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.918880][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.918936][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.918998][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.919063][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.919123][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.919189][ T8552] [ 2852.919197][ T8552] Uninit was stored to memory at: [ 2852.919265][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.919314][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.919362][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.919418][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.919475][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.919533][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.919594][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.919654][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.919713][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.919780][ T8552] [ 2852.919787][ T8552] Uninit was stored to memory at: [ 2852.919856][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2852.919904][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2852.919952][ T8552] do_recvmmsg+0xd77/0x2120 [ 2852.920008][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2852.920069][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2852.920127][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2852.920187][ T8552] do_fast_syscall_32+0x34/0x70 [ 2852.920246][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2852.920305][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2852.920371][ T8552] [ 2852.920380][ T8552] Local variable msg_sys created at: [ 2852.920395][ T8552] do_recvmmsg+0xbb/0x2120 [ 2852.920449][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.070642][ T8552] not chained 2240000 origins [ 2853.070666][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2853.070715][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2853.070741][ T8552] Call Trace: [ 2853.070755][ T8552] [ 2853.070771][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2853.070847][ T8552] dump_stack+0x25/0x28 [ 2853.070905][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2853.070975][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.071049][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.071114][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.071187][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2853.071235][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.071300][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.071374][ T8552] ? should_fail+0x75/0x9c0 [ 2853.071421][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.071485][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.071555][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.071625][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.071690][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.071763][ T8552] __msan_chain_origin+0xbf/0x140 [ 2853.071827][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.071899][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.071956][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2853.072023][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.072094][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2853.072162][ T8552] ? 0xffffffff81000000 [ 2853.072203][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2853.072267][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.072332][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.072407][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.072473][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.072547][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.072618][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.072688][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.072754][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.072817][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.072889][ T8552] RIP: 0023:0xf6f00549 [ 2853.072921][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2853.072966][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2853.073012][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2853.073051][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2853.073081][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2853.073109][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2853.073137][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2853.073179][ T8552] [ 2853.073317][ T8552] Uninit was stored to memory at: [ 2853.073388][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.073438][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.073486][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.073542][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.073599][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.073657][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.073718][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.073779][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.073837][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.073904][ T8552] [ 2853.073912][ T8552] Uninit was stored to memory at: [ 2853.073980][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.074029][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.074082][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.074138][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.074195][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.074253][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.074314][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.074375][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.074434][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.074500][ T8552] [ 2853.074508][ T8552] Uninit was stored to memory at: [ 2853.074577][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.074626][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.074673][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.074730][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.074787][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.074844][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.074906][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.074966][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.075026][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.075097][ T8552] [ 2853.075104][ T8552] Uninit was stored to memory at: [ 2853.075173][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.075221][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.075269][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.075325][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.075382][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.075440][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.075501][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.075562][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.075621][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.075688][ T8552] [ 2853.075696][ T8552] Uninit was stored to memory at: [ 2853.075764][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.075813][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.075861][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.075918][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.075975][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.076032][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.076099][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.076159][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.076218][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.076285][ T8552] [ 2853.076293][ T8552] Uninit was stored to memory at: [ 2853.076362][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.076411][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.076459][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.076519][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.076576][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.076634][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.076696][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.076756][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.076815][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.076881][ T8552] [ 2853.076889][ T8552] Uninit was stored to memory at: [ 2853.076957][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.077006][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.077059][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.077116][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.077173][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.077230][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.077292][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.077352][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.077412][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.077478][ T8552] [ 2853.077487][ T8552] Local variable msg_sys created at: [ 2853.077502][ T8552] do_recvmmsg+0xbb/0x2120 [ 2853.077555][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.240051][ T8552] not chained 2250000 origins [ 2853.240076][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2853.240125][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2853.240150][ T8552] Call Trace: [ 2853.240164][ T8552] [ 2853.240180][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2853.240255][ T8552] dump_stack+0x25/0x28 [ 2853.240314][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2853.240385][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.240452][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.240517][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.240591][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2853.240640][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.240705][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.240779][ T8552] ? should_fail+0x75/0x9c0 [ 2853.240826][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.240891][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.240962][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.241033][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.241103][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.241173][ T8552] __msan_chain_origin+0xbf/0x140 [ 2853.241239][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.241309][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.241364][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2853.241427][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.241489][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2853.241556][ T8552] ? 0xffffffff81000000 [ 2853.241594][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2853.241658][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.241721][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.241793][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.241857][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.241931][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.242000][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.242077][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.242143][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.242206][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.242277][ T8552] RIP: 0023:0xf6f00549 [ 2853.242309][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2853.242356][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2853.242401][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2853.242434][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2853.242464][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2853.242492][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2853.242520][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2853.242561][ T8552] [ 2853.244354][ T8552] Uninit was stored to memory at: [ 2853.244444][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.244496][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.244544][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.244602][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.244659][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.244717][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.244779][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.244839][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.244898][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.244966][ T8552] [ 2853.244973][ T8552] Uninit was stored to memory at: [ 2853.245048][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.245097][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.245145][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.245201][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.245258][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.245316][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.245378][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.245438][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.245497][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.245564][ T8552] [ 2853.245571][ T8552] Uninit was stored to memory at: [ 2853.245640][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.245689][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.245737][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.245793][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.245850][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.245908][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.245969][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.246030][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.246095][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.246162][ T8552] [ 2853.246169][ T8552] Uninit was stored to memory at: [ 2853.246238][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.246287][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.246335][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.246391][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.246448][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.246505][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.246572][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.246632][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.246690][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.246757][ T8552] [ 2853.246764][ T8552] Uninit was stored to memory at: [ 2853.246833][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.246882][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.246930][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.246986][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.247048][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.247105][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.247166][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.247226][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.247285][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.247352][ T8552] [ 2853.247359][ T8552] Uninit was stored to memory at: [ 2853.247428][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.247476][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.247525][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.247581][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.247638][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.247696][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.247757][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.247817][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.247877][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.247956][ T8552] [ 2853.247963][ T8552] Uninit was stored to memory at: [ 2853.248032][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.248086][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.248134][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.248190][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.248247][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.248304][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.248366][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.248427][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.248486][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.248552][ T8552] [ 2853.248561][ T8552] Local variable msg_sys created at: [ 2853.248576][ T8552] do_recvmmsg+0xbb/0x2120 [ 2853.248630][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.416269][ T8552] not chained 2260000 origins [ 2853.416295][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2853.416346][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2853.416370][ T8552] Call Trace: [ 2853.416383][ T8552] [ 2853.416397][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2853.416472][ T8552] dump_stack+0x25/0x28 [ 2853.416530][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2853.416605][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.416672][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.416737][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.416810][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2853.416857][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.416919][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.416995][ T8552] ? should_fail+0x75/0x9c0 [ 2853.417041][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.417105][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.417187][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.417255][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.417319][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.417387][ T8552] __msan_chain_origin+0xbf/0x140 [ 2853.417450][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.417523][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.417579][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2853.417646][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.417712][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2853.417780][ T8552] ? 0xffffffff81000000 [ 2853.417821][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2853.417887][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2853.417955][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.418036][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.418101][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.418177][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.418248][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.418318][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.418384][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.418447][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.418518][ T8552] RIP: 0023:0xf6f00549 [ 2853.418550][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2853.418597][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2853.418643][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2853.418677][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2853.418707][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2853.418736][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2853.418765][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2853.418807][ T8552] [ 2853.418822][ T8552] Uninit was stored to memory at: [ 2853.418893][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.418944][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.418998][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.419055][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.419113][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.419171][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.419233][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.419294][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.419354][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.419422][ T8552] [ 2853.419429][ T8552] Uninit was stored to memory at: [ 2853.419500][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.419549][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.419597][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.419659][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.419717][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.419778][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.419840][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.419901][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.419961][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.420035][ T8552] [ 2853.420043][ T8552] Uninit was stored to memory at: [ 2853.420112][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.420161][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.420210][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.420267][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.420324][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.420383][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.420446][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.420507][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.420567][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.420633][ T8552] [ 2853.420641][ T8552] Uninit was stored to memory at: [ 2853.420711][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.420761][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.420808][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.420865][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.420923][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.420979][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.421047][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.421108][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.421166][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.421233][ T8552] [ 2853.421241][ T8552] Uninit was stored to memory at: [ 2853.421308][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.421357][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.421406][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.421463][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.421520][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.421578][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.421640][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.421699][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.422113][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.422183][ T8552] [ 2853.422191][ T8552] Uninit was stored to memory at: [ 2853.422262][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.422312][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.422360][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.422417][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.422475][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.422533][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.422595][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.422663][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.422722][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.422790][ T8552] [ 2853.422797][ T8552] Uninit was stored to memory at: [ 2853.422871][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.422920][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2853.422969][ T8552] do_recvmmsg+0xd77/0x2120 [ 2853.423030][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.423087][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.423145][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2853.423206][ T8552] do_fast_syscall_32+0x34/0x70 [ 2853.423266][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2853.423325][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.423391][ T8552] [ 2853.423400][ T8552] Local variable msg_sys created at: [ 2853.423415][ T8552] do_recvmmsg+0xbb/0x2120 [ 2853.423469][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2853.588514][ T8525] not chained 2270000 origins [ 2853.588538][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2853.588586][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2853.588610][ T8525] Call Trace: [ 2853.588623][ T8525] [ 2853.588638][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2853.588711][ T8525] dump_stack+0x25/0x28 [ 2853.588770][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2853.588839][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.588903][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.588968][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.589041][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2853.589089][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.589154][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.589227][ T8525] ? should_fail+0x75/0x9c0 [ 2853.589274][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.589339][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.589410][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.589487][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.589552][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.589622][ T8525] __msan_chain_origin+0xbf/0x140 [ 2853.589684][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.589755][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.589811][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2853.589877][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.589942][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.590023][ T8525] ? 0xffffffff81000000 [ 2853.590063][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2853.590126][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.590191][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.590266][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.590330][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.590404][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.590480][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.590549][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.590615][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.590677][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.590749][ T8525] RIP: 0023:0xf6e9f549 [ 2853.590780][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2853.590826][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2853.590871][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2853.590904][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2853.590933][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2853.590961][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2853.590990][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2853.591031][ T8525] [ 2853.591046][ T8525] Uninit was stored to memory at: [ 2853.591116][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.591166][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.591214][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.591270][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.591327][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.591384][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.591452][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.591512][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.591571][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.591638][ T8525] [ 2853.591645][ T8525] Uninit was stored to memory at: [ 2853.591714][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.592497][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.592549][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.592605][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.592660][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.592717][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.592777][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.592836][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.592895][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.592959][ T8525] [ 2853.592966][ T8525] Uninit was stored to memory at: [ 2853.593036][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.593084][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.593129][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.593185][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.593241][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.593295][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.593357][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.593415][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.593478][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.593543][ T8525] [ 2853.593550][ T8525] Uninit was stored to memory at: [ 2853.593623][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.593671][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.593717][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.593771][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.593827][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.593883][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.593943][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.594003][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.594059][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.594124][ T8525] [ 2853.594131][ T8525] Uninit was stored to memory at: [ 2853.594198][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.594245][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.594292][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.594347][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.594401][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.594463][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.594523][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.594581][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.594639][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.594703][ T8525] [ 2853.594710][ T8525] Uninit was stored to memory at: [ 2853.594778][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.594825][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.594873][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.594927][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.594984][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.595041][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.595103][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.595163][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.595222][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.595288][ T8525] [ 2853.595295][ T8525] Uninit was stored to memory at: [ 2853.595364][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.595413][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.595465][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.595521][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.595578][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.595635][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.595697][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.595758][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.595816][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.595884][ T8525] [ 2853.595893][ T8525] Local variable msg_sys created at: [ 2853.595908][ T8525] do_recvmmsg+0xbb/0x2120 [ 2853.595961][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.757063][ T8525] not chained 2280000 origins [ 2853.757086][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2853.757133][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2853.757158][ T8525] Call Trace: [ 2853.757172][ T8525] [ 2853.757187][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2853.757262][ T8525] dump_stack+0x25/0x28 [ 2853.757317][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2853.757389][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.757460][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.757524][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.757597][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2853.757644][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.757707][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.757777][ T8525] ? should_fail+0x75/0x9c0 [ 2853.757822][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.757885][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.757956][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.758025][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.758088][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.758155][ T8525] __msan_chain_origin+0xbf/0x140 [ 2853.758218][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.758292][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.758347][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2853.758411][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.758482][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.758562][ T8525] ? 0xffffffff81000000 [ 2853.758601][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2853.758663][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.758725][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.758797][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.758862][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.758936][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.759006][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.759076][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.759141][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.759204][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.759275][ T8525] RIP: 0023:0xf6e9f549 [ 2853.759308][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2853.759355][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2853.759401][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2853.759441][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2853.759471][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2853.759500][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2853.759529][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2853.759572][ T8525] [ 2853.759587][ T8525] Uninit was stored to memory at: [ 2853.759657][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.759706][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.759754][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.759809][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.759866][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.759924][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.759986][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.760046][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.760114][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.760181][ T8525] [ 2853.760189][ T8525] Uninit was stored to memory at: [ 2853.760258][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.760307][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.760355][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.760411][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.760474][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.760531][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.760593][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.760654][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.760713][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.760780][ T8525] [ 2853.760788][ T8525] Uninit was stored to memory at: [ 2853.760856][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.760904][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.760952][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.761008][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.761066][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.761123][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.761185][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.761246][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.761306][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.761379][ T8525] [ 2853.761387][ T8525] Uninit was stored to memory at: [ 2853.761461][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.761510][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.761559][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.761615][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.761673][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.761730][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.761968][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.762030][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.762089][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.762155][ T8525] [ 2853.762163][ T8525] Uninit was stored to memory at: [ 2853.762232][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.762281][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.762329][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.762386][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.762450][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.762507][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.762569][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.762630][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.762690][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.762757][ T8525] [ 2853.762765][ T8525] Uninit was stored to memory at: [ 2853.762834][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.762883][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.762931][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.762987][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.763045][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.763103][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.763165][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.763225][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.763284][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.763350][ T8525] [ 2853.763357][ T8525] Uninit was stored to memory at: [ 2853.763425][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.763479][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.763527][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.763582][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.763640][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.763697][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.763759][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.763820][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.763879][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.763945][ T8525] [ 2853.763955][ T8525] Local variable msg_sys created at: [ 2853.763969][ T8525] do_recvmmsg+0xbb/0x2120 [ 2853.764023][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.927612][ T8525] not chained 2290000 origins [ 2853.927635][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2853.927684][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2853.927710][ T8525] Call Trace: [ 2853.927724][ T8525] [ 2853.927740][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2853.927815][ T8525] dump_stack+0x25/0x28 [ 2853.927873][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2853.927944][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.928011][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.928075][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.928148][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2853.928197][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.928261][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.928335][ T8525] ? should_fail+0x75/0x9c0 [ 2853.928381][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.928451][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.928521][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.928592][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.928657][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2853.928727][ T8525] __msan_chain_origin+0xbf/0x140 [ 2853.928792][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.928865][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.928922][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2853.928987][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.929052][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2853.929134][ T8525] ? 0xffffffff81000000 [ 2853.929174][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2853.929238][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2853.929303][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2853.929375][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.929454][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.929527][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.929596][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.929665][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.929727][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.929790][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.929860][ T8525] RIP: 0023:0xf6e9f549 [ 2853.929890][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2853.929937][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2853.929983][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2853.930015][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2853.930044][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2853.930073][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2853.930101][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2853.930142][ T8525] [ 2853.930157][ T8525] Uninit was stored to memory at: [ 2853.930225][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.930274][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.930321][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.930375][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.930432][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.930493][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.930553][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.930612][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.930668][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.930734][ T8525] [ 2853.930741][ T8525] Uninit was stored to memory at: [ 2853.930808][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.930855][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.930903][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.930958][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.931013][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.931069][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.931130][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.931188][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.931247][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.931310][ T8525] [ 2853.931318][ T8525] Uninit was stored to memory at: [ 2853.931385][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.931434][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.931485][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.931540][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.931596][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.931652][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.931713][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.932021][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.932081][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.932147][ T8525] [ 2853.932154][ T8525] Uninit was stored to memory at: [ 2853.932222][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.932270][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.932318][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.932375][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.932432][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.932498][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.932560][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.932620][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.932680][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.932747][ T8525] [ 2853.932754][ T8525] Uninit was stored to memory at: [ 2853.932823][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.932873][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.932921][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.932977][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.933035][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.933092][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.933154][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.933214][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.933273][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.933340][ T8525] [ 2853.933347][ T8525] Uninit was stored to memory at: [ 2853.933417][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.933471][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.933519][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.933576][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.933633][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.933691][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.933753][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.933813][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.933873][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.933940][ T8525] [ 2853.933948][ T8525] Uninit was stored to memory at: [ 2853.934016][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2853.934065][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2853.934113][ T8525] do_recvmmsg+0xd77/0x2120 [ 2853.934170][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2853.934227][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2853.934284][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2853.934346][ T8525] do_fast_syscall_32+0x34/0x70 [ 2853.934406][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2853.934470][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2853.934536][ T8525] [ 2853.934545][ T8525] Local variable msg_sys created at: [ 2853.934560][ T8525] do_recvmmsg+0xbb/0x2120 [ 2853.934614][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2854.105799][ T8525] not chained 2300000 origins [ 2854.152614][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2854.156961][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2854.533886][ T8552] not chained 2310000 origins [ 2854.536833][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 nvalid argument [ 2860.533822][ T8525] Call Trace: [ 2860.533840][ T8525] [ 2860.533857][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2860.533926][ T8525] dump_stack+0x25/0x28 [ 2860.533978][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2860.534042][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2860.534103][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2860.534162][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2860.534228][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2860.534272][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2860.534331][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2860.534397][ T8525] ? should_fail+0x75/0x9c0 [ 2860.534440][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2860.534503][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2860.534567][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2860.534631][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2860.534689][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2860.534752][ T8525] __msan_chain_origin+0xbf/0x140 [ 2860.534811][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.534877][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.534929][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2860.534990][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.535050][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2860.535123][ T8525] ? 0xffffffff81000000 [ 2860.535159][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2860.535218][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2860.535276][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2860.535343][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.535402][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.535469][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.535538][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.535600][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.535659][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.535716][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.535780][ T8525] RIP: 0023:0xf6e9f549 [ 2860.535810][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2860.535852][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2860.535893][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2860.535924][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18 04:06:39 [ 2860.535951][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2860.535977][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2860.536003][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2860.536042][ T8525] [ 2860.536056][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2860.536104][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2860.536129][ T8552] Call Trace: [ 2860.536142][ T8552] [ 2860.536156][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2860.536225][ T8552] dump_stack+0x25/0x28 [ 2860.536282][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2860.536351][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2860.536418][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2860.536473][ T8525] Uninit was stored to memory at: [ 2860.536481][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2860.536546][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.536551][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2860.536595][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.536596][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2860.536641][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.536657][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2860.536695][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.536726][ T8552] ? should_fail+0x75/0x9c0 [ 2860.536750][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.536770][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2860.536805][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.536832][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2860.536864][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.536899][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2860.536921][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.536966][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2860.536977][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.537042][ T8525] [ 2860.537049][ T8525] Uninit was stored to memory at: [ 2860.537034][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2860.537102][ T8552] __msan_chain_origin+0xbf/0x140 [ 2860.537115][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.537161][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.537164][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.537207][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.537232][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.537262][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.537287][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2860.537321][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.537349][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.537375][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.537412][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2860.537434][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.537476][ T8552] ? 0xffffffff81000000 [ 2860.537497][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.537515][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2860.537553][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.537575][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2860.537617][ T8525] [ 2860.537624][ T8525] Uninit was stored to memory at: [ 2860.537638][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2860.537690][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.537709][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.537774][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.537804][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.537848][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.537851][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.537905][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.537916][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.537959][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.537983][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.538014][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.538051][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.538072][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.538110][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.538130][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.538177][ T8552] RIP: 0023:0xf6f00549 [ 2860.538187][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.538207][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2860.538251][ T8525] [ 2860.538258][ T8525] Uninit was stored to memory at: [ 2860.538253][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2860.538296][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2860.538328][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2860.538325][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.538357][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2860.538372][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.538385][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2860.538412][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2860.538419][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.538453][ T8552] [ 2860.538467][ T8552] Uninit was stored to memory at: [ 2860.538473][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.538533][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.538533][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.538580][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.538588][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.538627][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.538647][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.538680][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.538705][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.538733][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.538760][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.538788][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.538825][ T8525] [ 2860.538831][ T8525] Uninit was stored to memory at: [ 2860.538847][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.538896][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.538904][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.538943][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.538961][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.538989][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.539030][ T8552] [ 2860.539037][ T8552] Uninit was stored to memory at: [ 2860.539043][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.539096][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.539102][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.539149][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.539151][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.539195][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.539210][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.539248][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.539268][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.539303][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.539324][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.539358][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.539388][ T8525] [ 2860.539395][ T8525] Uninit was stored to memory at: [ 2860.539417][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.539460][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.539474][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.539511][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.539531][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.539557][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.539595][ T8552] [ 2860.539602][ T8552] Uninit was stored to memory at: [ 2860.539611][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.539667][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.539664][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.539714][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.539720][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.539760][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.539779][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.539813][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.539836][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.539868][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.539892][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.539922][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.539954][ T8525] [ 2860.539961][ T8525] Uninit was stored to memory at: [ 2860.539981][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.540027][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.540042][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.540074][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2860.540098][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.540119][ T8525] do_recvmmsg+0xd77/0x2120 [ 2860.540162][ T8552] [ 2860.540169][ T8552] Uninit was stored to memory at: [ 2860.540173][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.540226][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.540234][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.540281][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.540281][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2860.540327][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.540340][ T8525] do_fast_syscall_32+0x34/0x70 [ 2860.540381][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.540397][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2860.540441][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.540454][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.540496][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.540523][ T8525] [ 2860.540531][ T8525] Local variable msg_sys created at: [ 2860.540545][ T8525] do_recvmmsg+0xbb/0x2120 [ 2860.540555][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.540597][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2860.540613][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.540674][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.540738][ T8552] [ 2860.540746][ T8552] Uninit was stored to memory at: [ 2860.540812][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.540861][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.540908][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.540964][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.541025][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.541077][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.541139][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.541199][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.541257][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.541321][ T8552] [ 2860.541329][ T8552] Uninit was stored to memory at: [ 2860.541394][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.541441][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.541486][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.541541][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.541595][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.541650][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.541717][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.541901][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.541959][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.542030][ T8552] [ 2860.542037][ T8552] Uninit was stored to memory at: [ 2860.542104][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2860.542151][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2860.542198][ T8552] do_recvmmsg+0xd77/0x2120 [ 2860.542252][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.542307][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2860.542363][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2860.542422][ T8552] do_fast_syscall_32+0x34/0x70 [ 2860.542482][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2860.542539][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2860.542602][ T8552] [ 2860.542610][ T8552] Local variable msg_sys created at: [ 2860.542625][ T8552] do_recvmmsg+0xbb/0x2120 [ 2860.542677][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2860.849840][ T8525] not chained 2320000 origins [ 2860.882279][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2860.884590][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2861.176175][ T8552] not chained 2330000 origins [ 2861.180840][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syzkaller daemon.err dhcpcd[8557]: ps_bpf_start_bpf: bpf_open: Invalid argument [ 2861.985916][ T8525] Call Trace: [ 2861.985935][ T8525] [ 2861.985951][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2861.986020][ T8525] dump_stack+0x25/0x28 [ 2861.986073][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2861.986137][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2861.986198][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2861.986257][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2861.986323][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2861.986368][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2861.986426][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2861.986492][ T8525] ? should_fail+0x75/0x9c0 [ 2861.986535][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2861.986593][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2861.986663][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2861.986728][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2861.986786][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2861.986849][ T8525] __msan_chain_origin+0xbf/0x140 [ 2861.986908][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.986974][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.987026][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2861.987086][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.987146][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2861.987219][ T8525] ? 0xffffffff81000000 [ 2861.987256][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2861.987314][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2861.987372][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2861.987445][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.987504][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.987571][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.987635][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.987706][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.987765][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.987821][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.987885][ T8525] RIP: 0023:0xf6e9f549 [ 2861.987915][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2861.987957][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2861.987998][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2861.988029][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2861.988057][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2861.988083][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2861.988108][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2861.988147][ T8525] [ 2861.988163][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2861.988211][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2861.988235][ T8552] Call Trace: [ 2861.988249][ T8552] [ 2861.988264][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2861.988333][ T8552] dump_stack+0x25/0x28 [ 2861.988390][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2861.988461][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2861.988526][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2861.988590][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2861.988662][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2861.988709][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2861.988774][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2861.988846][ T8552] ? should_fail+0x75/0x9c0 [ 2861.988891][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2861.988954][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2861.989025][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2861.989095][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2861.989166][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2861.989235][ T8552] __msan_chain_origin+0xbf/0x140 [ 2861.989300][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.989370][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.989427][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2861.989492][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.989554][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2861.989632][ T8552] ? 0xffffffff81000000 [ 2861.989671][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2861.989732][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2861.989797][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2861.989874][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.989941][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.990013][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.990080][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.990152][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.990215][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.990275][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.990345][ T8552] RIP: 0023:0xf6f00549 [ 2861.990376][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2861.990423][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2861.990466][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2861.990499][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2861.990528][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2861.990556][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2861.990584][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2861.990624][ T8552] [ 2861.990639][ T8552] Uninit was stored to memory at: [ 2861.990708][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.990756][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.990802][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.990855][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.990911][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.990965][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.991028][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.991088][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.991149][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.991216][ T8552] [ 2861.991224][ T8552] Uninit was stored to memory at: [ 2861.991295][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.991344][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.991370][ T8525] Uninit was stored to memory at: [ 2861.991391][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.991437][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.991444][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.991484][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.991499][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.991530][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.991554][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.991583][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.991613][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.991642][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.991671][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.991697][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.991727][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.991902][ T8552] [ 2861.991910][ T8552] Uninit was stored to memory at: [ 2861.991979][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.992028][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.992056][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.992074][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.992114][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.992128][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.992172][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.992189][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.992237][ T8525] [ 2861.992245][ T8525] Uninit was stored to memory at: [ 2861.992245][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.992303][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.992310][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.992357][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.992361][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.992402][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.992417][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.992456][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.992482][ T8552] [ 2861.992489][ T8552] Uninit was stored to memory at: [ 2861.992511][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.992555][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.992611][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.992661][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.992720][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.992725][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.992775][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.992784][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.992830][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.992842][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.992888][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.992899][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.992962][ T8525] [ 2861.992946][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.992969][ T8525] Uninit was stored to memory at: [ 2861.993002][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.993035][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.993065][ T8552] [ 2861.993072][ T8552] Uninit was stored to memory at: [ 2861.993082][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.993128][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.993143][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.993182][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.993190][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.993236][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.993237][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.993289][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.993292][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.993344][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.993351][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.993399][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.993409][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.993458][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.993466][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.993529][ T8525] [ 2861.993536][ T8525] Uninit was stored to memory at: [ 2861.993516][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.993572][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.993601][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.993635][ T8552] [ 2861.993643][ T8552] Uninit was stored to memory at: [ 2861.993652][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.993697][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.993708][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.993750][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.993755][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.993802][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.993805][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.993856][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.993860][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.993911][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.993919][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.993966][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.994028][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.994092][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.994123][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.994156][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.994179][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.994225][ T8552] [ 2861.994232][ T8552] Uninit was stored to memory at: [ 2861.994244][ T8525] [ 2861.994251][ T8525] Uninit was stored to memory at: [ 2861.994298][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.994316][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.994349][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2861.994364][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.994395][ T8552] do_recvmmsg+0xd77/0x2120 [ 2861.994410][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.994449][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.994463][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.994504][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.994517][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.994559][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2861.994572][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.994618][ T8552] do_fast_syscall_32+0x34/0x70 [ 2861.994631][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.994676][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2861.994693][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.994732][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.994750][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.994796][ T8552] [ 2861.994805][ T8552] Local variable msg_sys created at: [ 2861.994814][ T8525] [ 2861.994822][ T8525] Uninit was stored to memory at: [ 2861.994819][ T8552] do_recvmmsg+0xbb/0x2120 [ 2861.994870][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2861.994887][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.994933][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.994980][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.995033][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.995090][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.995147][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.995208][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.995267][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.995397][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.995464][ T8525] [ 2861.995471][ T8525] Uninit was stored to memory at: [ 2861.995540][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2861.995589][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2861.995637][ T8525] do_recvmmsg+0xd77/0x2120 [ 2861.995697][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2861.995754][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2861.995812][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2861.995874][ T8525] do_fast_syscall_32+0x34/0x70 [ 2861.995932][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2861.995992][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2861.996058][ T8525] [ 2861.996067][ T8525] Local variable msg_sys created at: [ 2861.996082][ T8525] do_recvmmsg+0xbb/0x2120 [ 2861.996135][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2862.218638][ T8552] not chained 2340000 origins [ 2862.218663][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2862.218714][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2862.218740][ T8552] Call Trace: [ 2862.218757][ T8552] [ 2862.218774][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2862.218850][ T8552] dump_stack+0x25/0x28 [ 2862.218909][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2862.218985][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2862.219053][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2862.219118][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2862.219191][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2862.219240][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2862.219306][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2862.219379][ T8552] ? should_fail+0x75/0x9c0 [ 2862.219427][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2862.219492][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2862.219563][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2862.219635][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2862.219700][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2862.219770][ T8552] __msan_chain_origin+0xbf/0x140 [ 2862.219835][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2862.219910][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2862.219974][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2862.220042][ T8552] do_recvmmsg+0xd77/0x2120 [ 2862.220108][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2862.220176][ T8552] ? 0xffffffff81000000 [ 2862.220217][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2862.220281][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2862.220347][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2862.220423][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2862.220489][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2862.220569][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2862.220638][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2862.292686][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2862.309148][ T8552] do_fast_syscall_32+0x34/0x70 [ 2862.309224][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2862.309285][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2862.309357][ T8552] RIP: 0023:0xf6f00549 [ 2862.309389][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2862.309436][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2862.681062][ T8525] not chained 2350000 origins [ 2862.681415][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:06:39 syzkaller daemon.err dhcpcd[8560]: ps_bpf_start_bpf: bpf_open: Invalid argument [ 2863.657065][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2863.657099][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2863.657125][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2863.657152][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:06:39 [ 2863.657193][ T8552] syzkaller daemon[ 2863.657208][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 .err dhcpcd[8554[ 2863.657255][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ]: ps_bpf_start_[ 2863.657279][ T8525] Call Trace: bpf: bpf_open: I[ 2863.657294][ T8525] nvalid argument[ 2863.657309][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2863.657383][ T8525] dump_stack+0x25/0x28 [ 2863.657444][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2863.657514][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2863.657578][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2863.657647][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2863.657718][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2863.657767][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2863.657831][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2863.657902][ T8525] ? should_fail+0x75/0x9c0 [ 2863.657950][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2863.658014][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2863.658090][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2863.658158][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2863.658220][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2863.658285][ T8525] __msan_chain_origin+0xbf/0x140 [ 2863.658348][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.658417][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.658472][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2863.658534][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.658597][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2863.658674][ T8525] ? 0xffffffff81000000 [ 2863.658712][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2863.658773][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2863.658839][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2863.658914][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.658976][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.659048][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.659124][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.659192][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.659256][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.659319][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.659390][ T8525] RIP: 0023:0xf6e9f549 [ 2863.659422][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2863.659469][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2863.659513][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2863.659545][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2863.659575][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2863.659602][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2863.659629][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2863.659670][ T8525] [ 2863.659684][ T8525] Uninit was stored to memory at: [ 2863.659756][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.659806][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.659850][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.659904][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.659960][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.660014][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.660080][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.660138][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.660197][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.660266][ T8525] [ 2863.660274][ T8525] Uninit was stored to memory at: [ 2863.660344][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.660394][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.660440][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.660494][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.660548][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.660603][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.660663][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.660720][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.660777][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.660840][ T8525] [ 2863.660848][ T8525] Uninit was stored to memory at: [ 2863.660914][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.660960][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.661008][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.661070][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.661125][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.661180][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.661237][ T8552] Uninit was stored to memory at: [ 2863.661241][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.661297][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.661304][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.661351][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2863.661355][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.661419][ T8525] [ 2863.661398][ T8552] do_recvmmsg+0xd77/0x2120 [ 2863.661427][ T8525] Uninit was stored to memory at: [ 2863.661452][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2863.661492][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.661507][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.661539][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.661586][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.661645][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.661704][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.661871][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.661932][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.661990][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.662047][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.662117][ T8525] [ 2863.662125][ T8525] Uninit was stored to memory at: [ 2863.662191][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.662238][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.662285][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.662339][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.662394][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.662450][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.662511][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.662572][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.662632][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.662698][ T8525] [ 2863.662705][ T8525] Uninit was stored to memory at: [ 2863.662774][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.662823][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.662872][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.662928][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.662986][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.663045][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.663113][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.663172][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.663229][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.663292][ T8525] [ 2863.663299][ T8525] Uninit was stored to memory at: [ 2863.663365][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2863.663412][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2863.663457][ T8525] do_recvmmsg+0xd77/0x2120 [ 2863.663512][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.663567][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2863.663622][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2863.663680][ T8525] do_fast_syscall_32+0x34/0x70 [ 2863.663737][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2863.663792][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.663858][ T8525] [ 2863.663866][ T8525] Local variable msg_sys created at: [ 2863.663880][ T8525] do_recvmmsg+0xbb/0x2120 [ 2863.663931][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2863.709964][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2863.713907][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2863.954255][ T8525] not chained 2360000 origins [ 2863.955782][ T8552] do_fast_syscall_32+0x34/0x70 [ 2863.963920][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2863.971727][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2863.979690][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2863.987727][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2863.990660][ T8525] Call Trace: [ 2863.990677][ T8525] [ 2863.995742][ T8552] [ 2864.000765][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2864.005760][ T8552] Uninit was stored to memory at: [ 2864.010180][ T8525] dump_stack+0x25/0x28 [ 2864.014974][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.021144][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2864.026223][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2864.030984][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2864.035543][ T8552] do_recvmmsg+0xd77/0x2120 [ 2864.041783][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2864.041850][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2864.044174][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2864.049186][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2864.054353][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.059196][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2864.063755][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2864.068342][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2864.074727][ T8552] do_fast_syscall_32+0x34/0x70 [ 2864.079662][ T8525] ? should_fail+0x75/0x9c0 [ 2864.084575][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2864.089157][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2864.095547][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.097786][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2864.102865][ T8552] [ 2864.107891][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2864.112888][ T8552] Uninit was stored to memory at: [ 2864.117317][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2864.122114][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.128292][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2864.133379][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2864.138311][ T8525] __msan_chain_origin+0xbf/0x140 [ 2864.143221][ T8552] do_recvmmsg+0xd77/0x2120 [ 2864.147636][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.152801][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2864.157670][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2864.164037][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.166288][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2864.170782][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2864.175793][ T8525] do_recvmmsg+0xd77/0x2120 [ 2864.175860][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2864.180540][ T8552] do_fast_syscall_32+0x34/0x70 [ 2864.185654][ T8525] ? 0xffffffff81000000 [ 2864.185696][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2864.192102][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2864.196956][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2864.201445][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.206138][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2864.206218][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.212668][ T8552] [ 2864.217587][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2864.222505][ T8552] Uninit was stored to memory at: [ 2864.226924][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.233362][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.235543][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2864.240536][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2864.245634][ T8525] do_fast_syscall_32+0x34/0x70 [ 2864.245702][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2864.250634][ T8552] do_recvmmsg+0xd77/0x2120 [ 2864.255120][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.255193][ T8525] RIP: 0023:0xf6e9f549 [ 2864.255225][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2864.259867][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2864.266175][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2864.266222][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2864.266256][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2864.271269][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.276101][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2864.276130][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2864.276159][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2864.276203][ T8525] [ 2864.280675][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2864.290451][ T8525] Uninit was stored to memory at: [ 2864.294539][ T8552] do_fast_syscall_32+0x34/0x70 [ 2864.294614][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2864.294671][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.294740][ T8552] [ 2864.294748][ T8552] Uninit was stored to memory at: [ 2864.294822][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.294870][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2864.294917][ T8552] do_recvmmsg+0xd77/0x2120 [ 2864.300095][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.305060][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2864.309566][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2864.314310][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.320642][ T8525] do_recvmmsg+0xd77/0x2120 [ 2864.325731][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2864.330583][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2864.335148][ T8552] do_fast_syscall_32+0x34/0x70 [ 2864.341476][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.343872][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2864.348883][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2864.354068][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.359007][ T8525] do_fast_syscall_32+0x34/0x70 [ 2864.363569][ T8552] [ 2864.363578][ T8552] Uninit was stored to memory at: [ 2864.363652][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.368258][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2864.374645][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2864.379672][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.384586][ T8552] do_recvmmsg+0xd77/0x2120 [ 2864.389096][ T8525] [ 2864.389105][ T8525] Uninit was stored to memory at: [ 2864.395487][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2864.397888][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.403170][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.407575][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2864.412318][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2864.423088][ T8525] do_recvmmsg+0xd77/0x2120 [ 2864.428075][ T8552] do_fast_syscall_32+0x34/0x70 [ 2864.432833][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2864.437646][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2864.446059][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.450542][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.460711][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2864.467110][ T8552] [ 2864.467120][ T8552] Uninit was stored to memory at: [ 2864.467196][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.470406][ T8525] do_fast_syscall_32+0x34/0x70 [ 2864.473413][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2864.475728][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2864.480392][ T8552] do_recvmmsg+0xd77/0x2120 [ 2864.485503][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.489633][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2864.494825][ T8525] [ 2864.500510][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.505541][ T8525] Uninit was stored to memory at: [ 2864.510612][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2864.515259][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.520272][ T8552] do_fast_syscall_32+0x34/0x70 [ 2864.526161][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2864.530803][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2864.535910][ T8525] do_recvmmsg+0xd77/0x2120 [ 2864.542281][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.547376][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2864.552464][ T8552] [ 2864.552474][ T8552] Local variable msg_sys created at: [ 2864.552490][ T8552] do_recvmmsg+0xbb/0x2120 [ 2864.558278][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.563191][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2864.567697][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2864.891712][ T8552] not chained 2370000 origins [ 2864.895010][ T8525] do_fast_syscall_32+0x34/0x70 [ 2864.895080][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2864.895138][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.895206][ T8525] [ 2864.900305][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2864.905335][ T8525] Uninit was stored to memory at: [ 2864.909715][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2864.914974][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2864.919469][ T8552] Call Trace: [ 2864.919485][ T8552] [ 2864.924502][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2864.930713][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2864.935295][ T8525] do_recvmmsg+0xd77/0x2120 [ 2864.940211][ T8552] dump_stack+0x25/0x28 [ 2864.944960][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2864.949700][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2864.956108][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2864.960500][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2864.965601][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2864.971820][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2864.971887][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2864.976734][ T8525] do_fast_syscall_32+0x34/0x70 [ 2864.979055][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2864.984153][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2864.989147][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2864.993716][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2864.998555][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2865.004964][ T8525] [ 2865.009360][ T8552] ? should_fail+0x75/0x9c0 [ 2865.011667][ T8525] Uninit was stored to memory at: [ 2865.011741][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.016676][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2865.021334][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2865.026428][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2865.026501][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2865.032920][ T8525] do_recvmmsg+0xd77/0x2120 [ 2865.037767][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2865.042865][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2865.047342][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2865.052270][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.056835][ T8552] __msan_chain_origin+0xbf/0x140 [ 2865.061321][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2865.067634][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.067707][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2865.074149][ T8525] do_fast_syscall_32+0x34/0x70 [ 2865.079064][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2865.081369][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2865.086379][ T8552] do_recvmmsg+0xd77/0x2120 [ 2865.086448][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2865.091574][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.096422][ T8552] ? 0xffffffff81000000 [ 2865.096464][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2865.096530][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2865.101438][ T8525] [ 2865.101447][ T8525] Uninit was stored to memory at: [ 2865.105926][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2865.106008][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.110568][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.116822][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2865.116901][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.121579][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2865.123920][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2865.123993][ T8552] do_fast_syscall_32+0x34/0x70 [ 2865.130331][ T8525] do_recvmmsg+0xd77/0x2120 [ 2865.135340][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2865.135407][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.135479][ T8552] RIP: 0023:0xf6f00549 [ 2865.140477][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2865.145582][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2865.145631][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2865.145676][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2865.145710][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2865.145739][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2865.150561][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.155489][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2865.155520][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2865.155563][ T8552] [ 2865.159281][ T8552] Uninit was stored to memory at: [ 2865.160110][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2865.164977][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.171029][ T8525] do_fast_syscall_32+0x34/0x70 [ 2865.175787][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2865.178127][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2865.183481][ T8552] do_recvmmsg+0xd77/0x2120 [ 2865.187878][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.194275][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2865.198957][ T8525] [ 2865.198966][ T8525] Uninit was stored to memory at: [ 2865.204040][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.208759][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.213609][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2865.218118][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2865.224521][ T8552] do_fast_syscall_32+0x34/0x70 [ 2865.226857][ T8525] do_recvmmsg+0xd77/0x2120 [ 2865.235339][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2865.240369][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2865.250503][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.255708][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.258959][ T8552] [ 2865.258968][ T8552] Uninit was stored to memory at: [ 2865.261968][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2865.266946][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.271546][ T8525] do_fast_syscall_32+0x34/0x70 [ 2865.276111][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2865.280275][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2865.285011][ T8552] do_recvmmsg+0xd77/0x2120 [ 2865.290739][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.297183][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2865.302374][ T8525] [ 2865.302384][ T8525] Local variable msg_sys created at: [ 2865.307473][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.312682][ T8525] do_recvmmsg+0xbb/0x2120 [ 2865.318452][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2865.323385][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2865.328379][ T8552] do_fast_syscall_32+0x34/0x70 [ 2865.739653][ T8525] not chained 2380000 origins [ 2865.741156][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2865.743782][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2865.748592][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.753617][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2865.753644][ T8525] Call Trace: [ 2865.753659][ T8525] [ 2865.753675][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2865.758797][ T8552] [ 2865.758807][ T8552] Uninit was stored to memory at: [ 2865.763639][ T8525] dump_stack+0x25/0x28 [ 2865.763699][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2865.768692][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.773126][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2865.773195][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2865.777699][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2865.784043][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2865.784125][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2865.788782][ T8552] do_recvmmsg+0xd77/0x2120 [ 2865.791102][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2865.796451][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2865.802683][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2865.802759][ T8525] ? should_fail+0x75/0x9c0 [ 2865.807153][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.812164][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2865.812231][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2865.816899][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2865.821736][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2865.821808][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2865.826467][ T8552] do_fast_syscall_32+0x34/0x70 [ 2865.830954][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2865.839337][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2865.845570][ T8525] __msan_chain_origin+0xbf/0x140 [ 2865.845638][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.855853][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.859069][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2865.862152][ T8552] [ 2865.866751][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2865.869058][ T8552] Uninit was stored to memory at: [ 2865.869131][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.874070][ T8525] do_recvmmsg+0xd77/0x2120 [ 2865.874142][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2865.878283][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2865.884018][ T8525] ? 0xffffffff81000000 [ 2865.884059][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2865.889170][ T8552] do_recvmmsg+0xd77/0x2120 [ 2865.894266][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2865.894333][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2865.899436][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2865.904362][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.904444][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2865.910228][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.915266][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.915339][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2865.919815][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2865.924915][ T8525] do_fast_syscall_32+0x34/0x70 [ 2865.924982][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2865.929649][ T8552] do_fast_syscall_32+0x34/0x70 [ 2865.935444][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.935516][ T8525] RIP: 0023:0xf6e9f549 [ 2865.935548][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2865.940018][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2865.946332][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2865.946379][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2865.946413][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2865.951529][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2865.957756][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2865.957784][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2865.957812][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2865.957860][ T8525] [ 2865.962918][ T8552] [ 2865.972429][ T8525] Uninit was stored to memory at: [ 2865.974076][ T8552] Uninit was stored to memory at: [ 2865.978987][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.984851][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2865.984900][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2865.984946][ T8552] do_recvmmsg+0xd77/0x2120 [ 2865.985003][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2865.985061][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2865.985117][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2865.985179][ T8552] do_fast_syscall_32+0x34/0x70 [ 2865.989677][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2865.994770][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2865.999889][ T8525] do_recvmmsg+0xd77/0x2120 [ 2866.006275][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.011216][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2866.013606][ T8552] [ 2866.013620][ T8552] Uninit was stored to memory at: [ 2866.018468][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.023622][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.028690][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2866.033237][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.039307][ T8525] do_fast_syscall_32+0x34/0x70 [ 2866.044305][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.048464][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2866.053640][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.058126][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.063297][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.069543][ T8525] [ 2866.069551][ T8525] Uninit was stored to memory at: [ 2866.074279][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.080847][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.085604][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.092014][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2866.098326][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.103431][ T8525] do_recvmmsg+0xd77/0x2120 [ 2866.108420][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.113354][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2866.117822][ T8552] [ 2866.117830][ T8552] Uninit was stored to memory at: [ 2866.117905][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.122845][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.129133][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.133285][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2866.152946][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.157454][ T8525] do_fast_syscall_32+0x34/0x70 [ 2866.165931][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.173988][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2866.182030][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.188361][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.196407][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.204488][ T8525] [ 2866.204497][ T8525] Uninit was stored to memory at: [ 2866.204571][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.212536][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.215546][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2866.217861][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.222972][ T8525] do_recvmmsg+0xd77/0x2120 [ 2866.227961][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.233160][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2866.238317][ T8552] [ 2866.238326][ T8552] Local variable msg_sys created at: [ 2866.243336][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.247802][ T8552] do_recvmmsg+0xbb/0x2120 [ 2866.252559][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2866.258848][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.263958][ T8525] do_fast_syscall_32+0x34/0x70 [ 2866.544192][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2866.544264][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.544332][ T8525] [ 2866.544341][ T8525] Uninit was stored to memory at: [ 2866.544433][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.544487][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2866.544536][ T8525] do_recvmmsg+0xd77/0x2120 [ 2866.544595][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2866.544652][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.544710][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2866.544772][ T8525] do_fast_syscall_32+0x34/0x70 [ 2866.544833][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2866.544892][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.544959][ T8525] [ 2866.544967][ T8525] Uninit was stored to memory at: [ 2866.545036][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.545085][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2866.545134][ T8525] do_recvmmsg+0xd77/0x2120 [ 2866.545190][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2866.545247][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.545305][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2866.545366][ T8525] do_fast_syscall_32+0x34/0x70 [ 2866.545426][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2866.545489][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.545554][ T8525] [ 2866.545562][ T8525] Uninit was stored to memory at: [ 2866.545631][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.545680][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2866.545728][ T8525] do_recvmmsg+0xd77/0x2120 [ 2866.545784][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:39 [ 2866.545842][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 syzkaller daemon[ 2866.545899][ T8525] __do_fast_syscall_32+0x96/0xf0 .err dhcpcd[8558[ 2866.545961][ T8525] do_fast_syscall_32+0x34/0x70 ]: ps_bpf_start_[ 2866.546022][ T8525] do_SYSENTER_32+0x1b/0x20 bpf: bpf_open: I[ 2866.546081][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c nvalid argument[ 2866.546148][ T8525] [ 2866.546155][ T8525] Uninit was stored to memory at: [ 2866.546225][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.546274][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2866.546322][ T8525] do_recvmmsg+0xd77/0x2120 [ 2866.546378][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2866.546436][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.546499][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2866.546561][ T8525] do_fast_syscall_32+0x34/0x70 [ 2866.546621][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2866.546680][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.546746][ T8525] [ 2866.546756][ T8525] Local variable msg_sys created at: [ 2866.546770][ T8525] do_recvmmsg+0xbb/0x2120 [ 2866.546824][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2866.626661][ T8552] not chained 2390000 origins [ 2866.626686][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2866.626736][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2866.626762][ T8552] Call Trace: [ 2866.626777][ T8552] [ 2866.626793][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2866.626868][ T8552] dump_stack+0x25/0x28 [ 2866.626927][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2866.626997][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.627064][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.627129][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2866.627202][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2866.627251][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.627316][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2866.627389][ T8552] ? should_fail+0x75/0x9c0 [ 2866.627435][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.627506][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2866.627576][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2866.627647][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.627712][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2866.627781][ T8552] __msan_chain_origin+0xbf/0x140 [ 2866.627845][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.627922][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.627980][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2866.628046][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.628112][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2866.628180][ T8552] ? 0xffffffff81000000 [ 2866.628220][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2866.628283][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.628348][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2866.628422][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.628492][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.628566][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.628637][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.628707][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.628772][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.628835][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.628906][ T8552] RIP: 0023:0xf6f00549 [ 2866.628937][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2866.628985][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2866.629031][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2866.629065][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2866.629095][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2866.629124][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2866.629153][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2866.629195][ T8552] [ 2866.629210][ T8552] Uninit was stored to memory at: [ 2866.629281][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.629330][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.629379][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.629435][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.629497][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.629555][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.629617][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.629677][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.629737][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.629804][ T8552] [ 2866.629811][ T8552] Uninit was stored to memory at: [ 2866.629880][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.629929][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.629978][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.630034][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.630092][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.630149][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.630210][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.630271][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.630330][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.630397][ T8552] [ 2866.630405][ T8552] Uninit was stored to memory at: [ 2866.630509][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.630558][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.630607][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.630662][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.630720][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.630778][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.630839][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.630900][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.630959][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.631027][ T8552] [ 2866.631034][ T8552] Uninit was stored to memory at: [ 2866.631103][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.631152][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.631200][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.631257][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.631314][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.631372][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.631433][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.631500][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.631559][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.631626][ T8552] [ 2866.631634][ T8552] Uninit was stored to memory at: [ 2866.631703][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.631896][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.631944][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.632000][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.632058][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.632116][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.632178][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.632239][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.632297][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.632364][ T8552] [ 2866.632372][ T8552] Uninit was stored to memory at: [ 2866.632442][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.632498][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.632546][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.632603][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.632660][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.632718][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.632780][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.632841][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.632900][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.632966][ T8552] [ 2866.632974][ T8552] Uninit was stored to memory at: [ 2866.633043][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.633091][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.633139][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.633197][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.633254][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.633311][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.633373][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.633434][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.633498][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.633565][ T8552] [ 2866.633574][ T8552] Local variable msg_sys created at: [ 2866.633589][ T8552] do_recvmmsg+0xbb/0x2120 [ 2866.633643][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.805258][ T8552] not chained 2400000 origins [ 2866.805283][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2866.805332][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2866.805359][ T8552] Call Trace: [ 2866.805373][ T8552] [ 2866.805390][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2866.805465][ T8552] dump_stack+0x25/0x28 [ 2866.805524][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2866.805596][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.805664][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.805729][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2866.805804][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2866.805852][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.805917][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2866.805996][ T8552] ? should_fail+0x75/0x9c0 [ 2866.806043][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.806108][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2866.806178][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2866.806250][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.806315][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2866.806386][ T8552] __msan_chain_origin+0xbf/0x140 [ 2866.806452][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.806525][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.806583][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2866.806651][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.806716][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2866.806785][ T8552] ? 0xffffffff81000000 [ 2866.806825][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2866.806890][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2866.806956][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2866.807035][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.807100][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.807175][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.807245][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.807315][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.807381][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.807445][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.807517][ T8552] RIP: 0023:0xf6f00549 [ 2866.807549][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2866.807596][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2866.807643][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2866.807677][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2866.807707][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2866.807735][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2866.807763][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2866.807805][ T8552] [ 2866.807820][ T8552] Uninit was stored to memory at: [ 2866.807890][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.807940][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.807994][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.808051][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.808108][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.808165][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.808227][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.808287][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.808346][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.808413][ T8552] [ 2866.808421][ T8552] Uninit was stored to memory at: [ 2866.808490][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.808540][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.808589][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.808646][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.808703][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.808761][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.808824][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.808885][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.808945][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.809017][ T8552] [ 2866.809025][ T8552] Uninit was stored to memory at: [ 2866.809095][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.809144][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.809193][ T8552] do_recvmmsg+0xd77/0x2120 [ 2866.809248][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2866.809305][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2866.809362][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2866.809424][ T8552] do_fast_syscall_32+0x34/0x70 [ 2866.809485][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2866.809545][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2866.809612][ T8552] [ 2866.809620][ T8552] Uninit was stored to memory at: [ 2866.809689][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2866.824893][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2866.832096][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2867.199177][ T8525] not chained 2410000 origins [ 2867.201230][ T8552] do_recvmmsg+0xd77/0x2120 [ 2867.204571][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2867.209349][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2867.214461][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2867.214493][ T8525] Call Trace: [ 2867.214509][ T8525] [ 2867.214526][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2867.214600][ T8525] dump_stack+0x25/0x28 [ 2867.219522][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.224010][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2867.224081][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2867.228760][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2867.235074][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2867.235143][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2867.240165][ T8552] do_fast_syscall_32+0x34/0x70 [ 2867.245004][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2867.245079][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2867.249569][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2867.255880][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2867.255947][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2867.258281][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2867.263293][ T8525] ? should_fail+0x75/0x9c0 [ 2867.263341][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2867.268457][ T8552] [ 2867.268467][ T8552] Uninit was stored to memory at: [ 2867.273379][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2867.273458][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2867.278009][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.282614][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2867.282680][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2867.288995][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2867.294005][ T8525] __msan_chain_origin+0xbf/0x140 [ 2867.294071][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.298919][ T8552] do_recvmmsg+0xd77/0x2120 [ 2867.303432][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2867.303491][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2867.309792][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2867.312112][ T8525] do_recvmmsg+0xd77/0x2120 [ 2867.312179][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2867.317189][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.322297][ T8525] ? 0xffffffff81000000 [ 2867.322339][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2867.327276][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2867.331762][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2867.331831][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2867.336497][ T8552] do_fast_syscall_32+0x34/0x70 [ 2867.342815][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.342882][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2867.347892][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2867.352742][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.352815][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2867.357286][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2867.363601][ T8525] do_fast_syscall_32+0x34/0x70 [ 2867.363669][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2867.365988][ T8552] [ 2867.365997][ T8552] Uninit was stored to memory at: [ 2867.370993][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2867.376230][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.381007][ T8525] RIP: 0023:0xf6e9f549 [ 2867.385568][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2867.390152][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2867.396537][ T8552] do_recvmmsg+0xd77/0x2120 [ 2867.401471][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2867.406430][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2867.410797][ T8525] ORIG_RAX: 0000000000000151 [ 2867.410815][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2867.417193][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.419433][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2867.424519][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2867.429539][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2867.434550][ T8552] do_fast_syscall_32+0x34/0x70 [ 2867.438951][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2867.443694][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2867.449933][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2867.455081][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2867.459807][ T8525] [ 2867.464393][ T8552] [ 2867.474063][ T8525] Uninit was stored to memory at: [ 2867.478016][ T8552] Uninit was stored to memory at: [ 2867.478095][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.478150][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2867.478197][ T8552] do_recvmmsg+0xd77/0x2120 [ 2867.478254][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2867.478310][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.478367][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2867.478428][ T8552] do_fast_syscall_32+0x34/0x70 [ 2867.478486][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2867.478543][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2867.478608][ T8552] [ 2867.478617][ T8552] Local variable msg_sys created at: [ 2867.478632][ T8552] do_recvmmsg+0xbb/0x2120 [ 2867.478686][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2867.833749][ T8552] not chained 2420000 origins [ 2867.837172][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.845394][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2867.853105][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2867.860990][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2867.869054][ T8525] do_recvmmsg+0xd77/0x2120 [ 2867.871962][ T8552] Call Trace: [ 2867.871979][ T8552] [ 2867.871995][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2867.872067][ T8552] dump_stack+0x25/0x28 [ 2867.877047][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2867.882143][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2867.882215][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2867.887163][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.891653][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2867.896409][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2867.902626][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2867.902701][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2867.907711][ T8525] do_fast_syscall_32+0x34/0x70 [ 2867.912546][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2867.912613][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2867.917135][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2867.923452][ T8552] ? should_fail+0x75/0x9c0 [ 2867.923500][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2867.923565][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2867.925863][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2867.930874][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2867.936058][ T8525] [ 2867.940886][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2867.945469][ T8525] Uninit was stored to memory at: [ 2867.950029][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2867.956495][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.961341][ T8552] __msan_chain_origin+0xbf/0x140 [ 2867.966270][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2867.970661][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.977070][ T8525] do_recvmmsg+0xd77/0x2120 [ 2867.979305][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2867.984386][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2867.989390][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2867.994398][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2867.998795][ T8552] do_recvmmsg+0xd77/0x2120 [ 2868.003530][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2868.009767][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2868.014863][ T8525] do_fast_syscall_32+0x34/0x70 [ 2868.019615][ T8552] ? 0xffffffff81000000 [ 2868.024186][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2868.030418][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2868.032799][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.037730][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2868.042921][ T8525] [ 2868.053477][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2868.053556][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.058497][ T8525] Uninit was stored to memory at: [ 2868.058570][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.063161][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2868.063240][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.067747][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2868.076064][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2868.076141][ T8552] do_fast_syscall_32+0x34/0x70 [ 2868.080815][ T8525] do_recvmmsg+0xd77/0x2120 [ 2868.090947][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2868.091012][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.094415][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2868.097248][ T8552] RIP: 0023:0xf6f00549 [ 2868.101983][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.106044][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2868.112455][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2868.118062][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2868.123255][ T8525] do_fast_syscall_32+0x34/0x70 [ 2868.128166][ T8552] ORIG_RAX: 0000000000000151 [ 2868.128183][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2868.133359][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2868.138356][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2868.143289][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.148978][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2868.154087][ T8525] [ 2868.158476][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2868.163677][ T8525] Uninit was stored to memory at: [ 2868.169359][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2868.175834][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.180170][ T8552] [ 2868.185347][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2868.189836][ T8552] Uninit was stored to memory at: [ 2868.192665][ T8525] do_recvmmsg+0xd77/0x2120 [ 2868.192727][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2868.192783][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.192842][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2868.192904][ T8525] do_fast_syscall_32+0x34/0x70 [ 2868.192961][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2868.193019][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.193083][ T8525] [ 2868.193091][ T8525] Uninit was stored to memory at: [ 2868.193160][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.193205][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2868.193253][ T8525] do_recvmmsg+0xd77/0x2120 [ 2868.193306][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2868.193360][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.193418][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2868.193480][ T8525] do_fast_syscall_32+0x34/0x70 [ 2868.193536][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2868.199864][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.205959][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.206028][ T8525] [ 2868.206036][ T8525] Uninit was stored to memory at: [ 2868.206105][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.211133][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2868.216329][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2868.222178][ T8552] do_recvmmsg+0xd77/0x2120 [ 2868.227096][ T8525] do_recvmmsg+0xd77/0x2120 [ 2868.232193][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2868.237307][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2868.241877][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.246839][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.251693][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2868.256456][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2868.261012][ T8552] do_fast_syscall_32+0x34/0x70 [ 2868.267156][ T8525] do_fast_syscall_32+0x34/0x70 [ 2868.273543][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2868.277681][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2868.282885][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.287914][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.293101][ T8552] [ 2868.293115][ T8552] Uninit was stored to memory at: [ 2868.293189][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.299343][ T8525] [ 2868.299351][ T8525] Uninit was stored to memory at: [ 2868.304260][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2868.310823][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.315499][ T8552] do_recvmmsg+0xd77/0x2120 [ 2868.320005][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2868.326397][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2868.331423][ T8525] do_recvmmsg+0xd77/0x2120 [ 2868.337806][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.342747][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2868.347233][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2868.349547][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.354632][ T8552] do_fast_syscall_32+0x34/0x70 [ 2868.360971][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2868.366190][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2868.370258][ T8525] do_fast_syscall_32+0x34/0x70 [ 2868.375271][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.395016][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2868.399517][ T8552] [ 2868.399528][ T8552] Uninit was stored to memory at: [ 2868.405672][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.405745][ T8525] [ 2868.405754][ T8525] Local variable msg_sys created at: [ 2868.405769][ T8525] do_recvmmsg+0xbb/0x2120 [ 2868.410494][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.415192][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2868.423210][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2868.830336][ T8525] not chained 2430000 origins [ 2868.830969][ T8552] do_recvmmsg+0xd77/0x2120 [ 2868.836252][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2868.841166][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2868.845830][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2868.845857][ T8525] Call Trace: [ 2868.845873][ T8525] [ 2868.845889][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2868.852309][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.857163][ T8525] dump_stack+0x25/0x28 [ 2868.862238][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2868.866994][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2868.871479][ T8552] do_fast_syscall_32+0x34/0x70 [ 2868.875968][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2868.876036][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2868.882430][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2868.887019][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2868.891067][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2868.897382][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2868.897437][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2868.917134][ T8552] [ 2868.922067][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2868.922143][ T8525] ? should_fail+0x75/0x9c0 [ 2868.928190][ T8552] Uninit was stored to memory at: [ 2868.928265][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.933024][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2868.933090][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2868.937760][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2868.945730][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2868.945803][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2868.950300][ T8552] do_recvmmsg+0xd77/0x2120 [ 2868.958265][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2868.958336][ T8525] __msan_chain_origin+0xbf/0x140 [ 2868.964726][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2868.972616][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2868.972690][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2868.975007][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2868.982973][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2868.983040][ T8525] do_recvmmsg+0xd77/0x2120 [ 2868.988055][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2868.996025][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2868.996110][ T8525] ? 0xffffffff81000000 [ 2869.001188][ T8552] do_fast_syscall_32+0x34/0x70 [ 2869.004209][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2869.004274][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2869.009208][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2869.014216][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2869.014292][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.018776][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.023446][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2869.023524][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.029827][ T8552] [ 2869.029837][ T8552] Uninit was stored to memory at: [ 2869.034843][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2869.034914][ T8525] do_fast_syscall_32+0x34/0x70 [ 2869.039808][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.044236][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2869.044300][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.050623][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2869.052939][ T8525] RIP: 0023:0xf6e9f549 [ 2869.052972][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2869.053019][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2869.058020][ T8552] do_recvmmsg+0xd77/0x2120 [ 2869.063112][ T8525] ORIG_RAX: 0000000000000151 [ 2869.063129][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2869.063162][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2869.063194][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2869.068113][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2869.072598][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2869.072627][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2869.072670][ T8525] [ 2869.076194][ T8525] Uninit was stored to memory at: [ 2869.077339][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.084143][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.088761][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2869.093702][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2869.098167][ T8552] do_fast_syscall_32+0x34/0x70 [ 2869.103359][ T8525] do_recvmmsg+0xd77/0x2120 [ 2869.109648][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2869.112064][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2869.117135][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.122325][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.127227][ T8552] [ 2869.127236][ T8552] Uninit was stored to memory at: [ 2869.132242][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2869.136766][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.141187][ T8525] do_fast_syscall_32+0x34/0x70 [ 2869.145921][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2869.150603][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2869.156996][ T8552] do_recvmmsg+0xd77/0x2120 [ 2869.163405][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.168410][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2869.173527][ T8525] [ 2869.178337][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.183275][ T8525] Uninit was stored to memory at: [ 2869.187758][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2869.192412][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.198638][ T8552] do_fast_syscall_32+0x34/0x70 [ 2869.205050][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2869.207348][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2869.212438][ T8525] do_recvmmsg+0xd77/0x2120 [ 2869.217530][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.219845][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2869.224937][ T8552] [ 2869.224946][ T8552] Uninit was stored to memory at: [ 2869.225018][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.229872][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.235049][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2869.239555][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2869.244554][ T8552] do_recvmmsg+0xd77/0x2120 [ 2869.249232][ T8525] do_fast_syscall_32+0x34/0x70 [ 2869.253799][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2869.260112][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2869.264852][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.269879][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.276268][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2869.281120][ T8525] [ 2869.281129][ T8525] Uninit was stored to memory at: [ 2869.286205][ T8552] do_fast_syscall_32+0x34/0x70 [ 2869.290784][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.295631][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2869.302041][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2869.306525][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.308840][ T8525] do_recvmmsg+0xd77/0x2120 [ 2869.313924][ T8552] [ 2869.313939][ T8552] Local variable msg_sys created at: [ 2869.313954][ T8552] do_recvmmsg+0xbb/0x2120 [ 2869.320258][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2869.322672][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2869.327939][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.705187][ T8552] not chained 2440000 origins [ 2869.710507][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2869.719907][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2869.723346][ T8525] do_fast_syscall_32+0x34/0x70 [ 2869.731229][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2869.739307][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2869.742204][ T8552] Call Trace: [ 2869.742221][ T8552] [ 2869.742237][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2869.742308][ T8552] dump_stack+0x25/0x28 [ 2869.747292][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.753607][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2869.753677][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2869.758804][ T8525] [ 2869.758813][ T8525] Uninit was stored to memory at: [ 2869.763812][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2869.763882][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2869.768892][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.773666][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2869.773742][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2869.778253][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2869.782741][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2869.782809][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2869.787508][ T8525] do_recvmmsg+0xd77/0x2120 [ 2869.793825][ T8552] ? should_fail+0x75/0x9c0 [ 2869.793874][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2869.800239][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2869.802659][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2869.802733][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2869.802803][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2869.807818][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.812832][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2869.812908][ T8552] __msan_chain_origin+0xbf/0x140 [ 2869.818048][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2869.822895][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.822978][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2869.823040][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2869.827963][ T8525] do_fast_syscall_32+0x34/0x70 [ 2869.832460][ T8552] do_recvmmsg+0xd77/0x2120 [ 2869.832530][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2869.832598][ T8552] ? 0xffffffff81000000 [ 2869.837067][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2869.843392][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2869.843463][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2869.848156][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.850473][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2869.856895][ T8525] [ 2869.861803][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.861874][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2869.866887][ T8525] Uninit was stored to memory at: [ 2869.866961][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.871999][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.872072][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2869.876916][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2869.881841][ T8552] do_fast_syscall_32+0x34/0x70 [ 2869.881909][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2869.886422][ T8525] do_recvmmsg+0xd77/0x2120 [ 2869.890909][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.897322][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2869.901876][ T8552] RIP: 0023:0xf6f00549 [ 2869.901911][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2869.901959][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2869.904268][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2869.909277][ T8552] ORIG_RAX: 0000000000000151 [ 2869.909295][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2869.914477][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2869.920680][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2869.925701][ T8525] do_fast_syscall_32+0x34/0x70 [ 2869.930609][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2869.935191][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2869.939926][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2869.944687][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2869.949073][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2869.955481][ T8525] [ 2869.961708][ T8552] [ 2869.966807][ T8525] Uninit was stored to memory at: [ 2869.971459][ T8552] Uninit was stored to memory at: [ 2869.974204][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.974256][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2869.979166][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2869.984309][ T8525] do_recvmmsg+0xd77/0x2120 [ 2869.988782][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2869.993790][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2870.000099][ T8552] do_recvmmsg+0xd77/0x2120 [ 2870.004692][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.006988][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2870.012433][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2870.016828][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.021490][ T8525] do_fast_syscall_32+0x34/0x70 [ 2870.026246][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2870.032658][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2870.037312][ T8552] do_fast_syscall_32+0x34/0x70 [ 2870.042420][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.050724][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2870.055661][ T8525] [ 2870.065803][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.070309][ T8525] Uninit was stored to memory at: [ 2870.070388][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.073674][ T8552] [ 2870.073683][ T8552] Uninit was stored to memory at: [ 2870.076599][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2870.081332][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.085523][ T8525] do_recvmmsg+0xd77/0x2120 [ 2870.091907][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2870.097620][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2870.102794][ T8552] do_recvmmsg+0xd77/0x2120 [ 2870.105133][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.110142][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2870.115340][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2870.120420][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.125616][ T8525] do_fast_syscall_32+0x34/0x70 [ 2870.131386][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2870.136493][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2870.141403][ T8552] do_fast_syscall_32+0x34/0x70 [ 2870.146597][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.152444][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2870.156935][ T8525] [ 2870.156945][ T8525] Local variable msg_sys created at: [ 2870.161421][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.166618][ T8525] do_recvmmsg+0xbb/0x2120 [ 2870.171264][ T8552] [ 2870.171272][ T8552] Uninit was stored to memory at: [ 2870.177614][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2870.183815][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.579852][ T8525] not chained 2450000 origins [ 2870.583509][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2870.583566][ T8552] do_recvmmsg+0xd77/0x2120 [ 2870.583624][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2870.583681][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.583738][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2870.583800][ T8552] do_fast_syscall_32+0x34/0x70 [ 2870.583859][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2870.588787][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2870.593532][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.597939][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2870.604450][ T8552] [ 2870.608926][ T8525] Call Trace: [ 2870.608942][ T8525] [ 2870.614022][ T8552] Uninit was stored to memory at: [ 2870.620265][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2870.625243][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.630113][ T8525] dump_stack+0x25/0x28 [ 2870.634664][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2870.639425][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2870.645806][ T8552] do_recvmmsg+0xd77/0x2120 [ 2870.650222][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2870.652611][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2870.657806][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2870.664189][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.668517][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2870.670833][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2870.675845][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2870.675895][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2870.680592][ T8552] do_fast_syscall_32+0x34/0x70 [ 2870.685687][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2870.685762][ T8525] ? should_fail+0x75/0x9c0 [ 2870.690429][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2870.695354][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2870.695421][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2870.699912][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.704577][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2870.704650][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2870.710962][ T8552] [ 2870.710970][ T8552] Uninit was stored to memory at: [ 2870.715969][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2870.716042][ T8525] __msan_chain_origin+0xbf/0x140 [ 2870.720944][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.725367][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.725445][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2870.733825][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2870.740071][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2870.750299][ T8552] do_recvmmsg+0xd77/0x2120 [ 2870.752540][ T8525] do_recvmmsg+0xd77/0x2120 [ 2870.752608][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2870.755880][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2870.758818][ T8525] ? 0xffffffff81000000 [ 2870.763889][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.768479][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2870.773648][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2870.777713][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2870.782709][ T8552] do_fast_syscall_32+0x34/0x70 [ 2870.788337][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2870.792897][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2870.797922][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.802655][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.807678][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2870.814060][ T8552] [ 2870.819789][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.824858][ T8552] Uninit was stored to memory at: [ 2870.829798][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2870.835022][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.839715][ T8525] do_fast_syscall_32+0x34/0x70 [ 2870.845576][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2870.849991][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2870.854550][ T8552] do_recvmmsg+0xd77/0x2120 [ 2870.859572][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.865878][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2870.872107][ T8525] RIP: 0023:0xf6e9f549 [ 2870.872141][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2870.872188][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2870.878232][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.883325][ T8525] ORIG_RAX: 0000000000000151 [ 2870.883342][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2870.883375][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2870.883406][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2870.885722][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2870.890730][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2870.896600][ T8552] do_fast_syscall_32+0x34/0x70 [ 2870.901526][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2870.906698][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2870.911729][ T8525] [ 2870.916711][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2870.926643][ T8525] Uninit was stored to memory at: [ 2870.931059][ T8552] [ 2870.931068][ T8552] Uninit was stored to memory at: [ 2870.936053][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.941877][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2870.946507][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2870.950630][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2870.957045][ T8525] do_recvmmsg+0xd77/0x2120 [ 2870.962223][ T8552] do_recvmmsg+0xd77/0x2120 [ 2870.967232][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2870.972406][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2870.977267][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.983574][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2870.988082][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2870.994823][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.001152][ T8525] do_fast_syscall_32+0x34/0x70 [ 2871.005897][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.008229][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2871.014618][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.019651][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.024742][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.029855][ T8525] [ 2871.029864][ T8525] Uninit was stored to memory at: [ 2871.034774][ T8552] [ 2871.034784][ T8552] Local variable msg_sys created at: [ 2871.034799][ T8552] do_recvmmsg+0xbb/0x2120 [ 2871.039778][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.044281][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.048788][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2871.305476][ T8525] do_recvmmsg+0xd77/0x2120 [ 2871.305545][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2871.305602][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.305662][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2871.305727][ T8525] do_fast_syscall_32+0x34/0x70 [ 2871.305788][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2871.305846][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.305920][ T8525] [ 2871.305929][ T8525] Uninit was stored to memory at: [ 2871.306000][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.306049][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2871.306097][ T8525] do_recvmmsg+0xd77/0x2120 [ 2871.306153][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2871.306211][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.306268][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2871.306330][ T8525] do_fast_syscall_32+0x34/0x70 [ 2871.306391][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2871.306450][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.306517][ T8525] [ 2871.306525][ T8525] Uninit was stored to memory at: [ 2871.306594][ T8525] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:39 [ 2871.306643][ T8525] get_compat_msghdr+0x108/0x2c0 syzkaller daemon[ 2871.306691][ T8525] do_recvmmsg+0xd77/0x2120 .err dhcpcd[8559[ 2871.306748][ T8525] __sys_recvmmsg+0x51c/0x6f0 ]: ps_bpf_start_[ 2871.306806][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 bpf: bpf_open: I[ 2871.306864][ T8525] __do_fast_syscall_32+0x96/0xf0 nvalid argument[ 2871.306930][ T8525] do_fast_syscall_32+0x34/0x70 [ 2871.306990][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2871.307050][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.307117][ T8525] [ 2871.307124][ T8525] Uninit was stored to memory at: [ 2871.307193][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.307242][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2871.307290][ T8525] do_recvmmsg+0xd77/0x2120 [ 2871.307347][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2871.307404][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.307462][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2871.307524][ T8525] do_fast_syscall_32+0x34/0x70 [ 2871.307585][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2871.307645][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.307717][ T8525] [ 2871.307724][ T8525] Uninit was stored to memory at: [ 2871.307793][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.307842][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2871.307891][ T8525] do_recvmmsg+0xd77/0x2120 [ 2871.307954][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2871.308012][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.308069][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2871.308130][ T8525] do_fast_syscall_32+0x34/0x70 [ 2871.308190][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2871.308250][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.308317][ T8525] [ 2871.308324][ T8525] Uninit was stored to memory at: [ 2871.308392][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.308442][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2871.308490][ T8525] do_recvmmsg+0xd77/0x2120 [ 2871.308546][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2871.308604][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.308662][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2871.308724][ T8525] do_fast_syscall_32+0x34/0x70 [ 2871.308784][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2871.308843][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.308915][ T8525] [ 2871.308924][ T8525] Local variable msg_sys created at: [ 2871.308939][ T8525] do_recvmmsg+0xbb/0x2120 [ 2871.308993][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2871.362954][ T8552] not chained 2460000 origins [ 2871.362983][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2871.363034][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2871.363060][ T8552] Call Trace: [ 2871.363074][ T8552] [ 2871.363090][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2871.363166][ T8552] dump_stack+0x25/0x28 [ 2871.363223][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2871.363291][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2871.363357][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2871.363430][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2871.363496][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2871.363570][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2871.363618][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2871.363683][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2871.363756][ T8552] ? should_fail+0x75/0x9c0 [ 2871.363803][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2871.363874][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2871.363945][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2871.364016][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2871.364080][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2871.364151][ T8552] __msan_chain_origin+0xbf/0x140 [ 2871.364216][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.364290][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.364346][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2871.364437][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.364503][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2871.364572][ T8552] ? 0xffffffff81000000 [ 2871.364612][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2871.364677][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2871.364742][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2871.364817][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.364882][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.364957][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.365028][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.365098][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.365164][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.365227][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.365298][ T8552] RIP: 0023:0xf6f00549 [ 2871.365330][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2871.365379][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2871.365431][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2871.365464][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2871.365494][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2871.365522][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2871.365552][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2871.365595][ T8552] [ 2871.365610][ T8552] Uninit was stored to memory at: [ 2871.365681][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.365731][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.365779][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.365836][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.365893][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.365950][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.367204][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.367265][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.367321][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.367386][ T8552] [ 2871.367393][ T8552] Uninit was stored to memory at: [ 2871.367466][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.367514][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.367561][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.367617][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.367681][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.367738][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.367799][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.367859][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.367919][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.367986][ T8552] [ 2871.367994][ T8552] Uninit was stored to memory at: [ 2871.368063][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.368112][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.368159][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.368216][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.368273][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.368331][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.368400][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.368466][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.368525][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.368593][ T8552] [ 2871.368600][ T8552] Uninit was stored to memory at: [ 2871.368669][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.368718][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.368767][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.368823][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.368881][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.368938][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.369000][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.369060][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.369119][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.369185][ T8552] [ 2871.369192][ T8552] Uninit was stored to memory at: [ 2871.369261][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.369309][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.369358][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.369418][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.369476][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.369533][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.369593][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.369652][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.369709][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.369775][ T8552] [ 2871.369783][ T8552] Uninit was stored to memory at: [ 2871.369852][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.369900][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.369948][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.370005][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.370062][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.370119][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.370181][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.370242][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.370301][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.370368][ T8552] [ 2871.370376][ T8552] Uninit was stored to memory at: [ 2871.370450][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2871.370499][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2871.370547][ T8552] do_recvmmsg+0xd77/0x2120 [ 2871.370603][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.370661][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2871.370718][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2871.370780][ T8552] do_fast_syscall_32+0x34/0x70 [ 2871.370841][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2871.370900][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2871.370967][ T8552] [ 2871.370976][ T8552] Local variable msg_sys created at: [ 2871.370991][ T8552] do_recvmmsg+0xbb/0x2120 [ 2871.371045][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2871.544875][ T8552] not chained 2470000 origins [ 2871.622881][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2871.624527][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2871.907390][ T8525] not chained 2480000 origins [ 2871.907607][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2872.492387][ T8552] Call Trace: [ 2872.492406][ T8552] [ 2872.492423][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2872.492493][ T8552] dump_stack+0x25/0x28 [ 2872.492546][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2872.492610][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.492670][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.492729][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.492795][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2872.492839][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.492898][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.492971][ T8552] ? should_fail+0x75/0x9c0 [ 2872.493014][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.493073][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.493136][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2872.493200][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.493259][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.493322][ T8552] __msan_chain_origin+0xbf/0x140 [ 2872.493380][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.493447][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.493498][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2872.493559][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.493618][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2872.493679][ T8552] ? 0xffffffff81000000 [ 2872.493715][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2872.493774][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.493832][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.493899][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.493963][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.494030][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.494094][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.494157][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.494216][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.494273][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.494338][ T8552] RIP: 0023:0xf6f00549 [ 2872.494368][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2872.494411][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2872.494453][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2872.494484][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2872.494511][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2872.494538][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2872.494564][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2872.494602][ T8552] [ 2872.494619][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2872.494666][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2872.494691][ T8525] Call Trace: [ 2872.494704][ T8525] [ 2872.494722][ T8552] Uninit was stored to memory at: [ 2872.494719][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2872.494785][ T8525] dump_stack+0x25/0x28 [ 2872.494790][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.494837][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.494840][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2872.494884][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.494905][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.494944][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.494970][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.494998][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.495032][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.495054][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.495101][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2872.495114][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.495147][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.495172][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.495209][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.495229][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.495293][ T8552] [ 2872.495278][ T8525] ? should_fail+0x75/0x9c0 [ 2872.495301][ T8552] Uninit was stored to memory at: [ 2872.495321][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.495367][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.495383][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.495414][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.495460][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.495457][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2872.495513][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.495524][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.495568][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.495586][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.495623][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.495654][ T8525] __msan_chain_origin+0xbf/0x140 [ 2872.495682][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.495715][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.495739][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.495783][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.495796][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.495860][ T8552] [ 2872.495838][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2872.495868][ T8552] Uninit was stored to memory at: [ 2872.495900][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.495934][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.495962][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2872.495986][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.496040][ T8525] ? 0xffffffff81000000 [ 2872.496032][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.496078][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2872.496086][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.496141][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.496139][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.496196][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.496201][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.496255][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.496272][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.496313][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.496334][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.496369][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.496406][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.496433][ T8552] [ 2872.496440][ T8552] Uninit was stored to memory at: [ 2872.496479][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.496506][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.496545][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.496553][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.496599][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.496608][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.496653][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.496667][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.496708][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.496735][ T8525] RIP: 0023:0xf6e9f549 [ 2872.496765][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2872.496763][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.496809][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 May 18 04:06:39 [ 2872.496823][ T8552] do_fast_syscall_32+0x34/0x70 syzkaller daemon[ 2872.496851][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 .err dhcpcd[8556[ 2872.496883][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 ]: ps_bpf_start_[ 2872.496882][ T8552] do_SYSENTER_32+0x1b/0x20 bpf: bpf_open: I[ 2872.496912][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 nvalid argument[ 2872.496940][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2872.496944][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.496968][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2872.497009][ T8552] [ 2872.497009][ T8525] [ 2872.497016][ T8552] Uninit was stored to memory at: [ 2872.497023][ T8525] Uninit was stored to memory at: [ 2872.497081][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.497089][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.497129][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.497136][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.497175][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.497182][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.497229][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.497235][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.497284][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.497290][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.497339][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.497345][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.497399][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.497403][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.497456][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.497466][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.497514][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.497523][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.497578][ T8552] [ 2872.497585][ T8552] Uninit was stored to memory at: [ 2872.497587][ T8525] [ 2872.497595][ T8525] Uninit was stored to memory at: [ 2872.497651][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.497659][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.497698][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.497707][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.497745][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.497753][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.497798][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.497806][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.497853][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.497861][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.497908][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.497916][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.497973][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.497974][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.498032][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.498033][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.498089][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.498090][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.498154][ T8552] [ 2872.498154][ T8525] [ 2872.498161][ T8552] Uninit was stored to memory at: [ 2872.498161][ T8525] Uninit was stored to memory at: [ 2872.498227][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.498227][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.498274][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.498275][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.498321][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.498322][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.498375][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.498377][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.498430][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.498431][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.498490][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.498491][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.498549][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.498550][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.498607][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.498608][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.498664][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.498666][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.498729][ T8552] [ 2872.498729][ T8525] [ 2872.498737][ T8525] Uninit was stored to memory at: [ 2872.498737][ T8552] Local variable msg_sys created at: [ 2872.498752][ T8552] do_recvmmsg+0xbb/0x2120 [ 2872.498802][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.498802][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.498849][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.498894][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.498948][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.499002][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.499058][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.499118][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.499176][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.499234][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.499299][ T8525] [ 2872.499306][ T8525] Uninit was stored to memory at: [ 2872.499374][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.499423][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.499475][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.499530][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.499586][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.499641][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.499702][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.499761][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.499817][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.499883][ T8525] [ 2872.499891][ T8525] Uninit was stored to memory at: [ 2872.499958][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.500006][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.500054][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.500109][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.500165][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.500222][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.500281][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.500341][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.500399][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.500469][ T8525] [ 2872.500476][ T8525] Uninit was stored to memory at: [ 2872.500545][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.500592][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.500639][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.500695][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.500750][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.500806][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.500867][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.500925][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.500984][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.501050][ T8525] [ 2872.501058][ T8525] Local variable msg_sys created at: [ 2872.501072][ T8525] do_recvmmsg+0xbb/0x2120 [ 2872.501124][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.725640][ T8525] not chained 2490000 origins [ 2872.725668][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2872.725717][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2872.725742][ T8525] Call Trace: [ 2872.725756][ T8525] [ 2872.725773][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2872.725849][ T8525] dump_stack+0x25/0x28 [ 2872.725907][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2872.725978][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.726046][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.726110][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.726184][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2872.726232][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.726297][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.726370][ T8525] ? should_fail+0x75/0x9c0 [ 2872.726418][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.726487][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.726558][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2872.726629][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.726694][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.726764][ T8525] __msan_chain_origin+0xbf/0x140 [ 2872.726829][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.726902][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.726959][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2872.727026][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.727092][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2872.727173][ T8525] ? 0xffffffff81000000 [ 2872.727213][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2872.727277][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2872.727342][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.727417][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.727487][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.727562][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.727633][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.727702][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.727769][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.727832][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.727903][ T8525] RIP: 0023:0xf6e9f549 [ 2872.727934][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2872.727981][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2872.728026][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2872.728060][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2872.728090][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2872.728119][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2872.728148][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2872.728190][ T8525] [ 2872.728205][ T8525] Uninit was stored to memory at: [ 2872.728276][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.728326][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.728375][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.728431][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.728494][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.728559][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.728621][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.728681][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.728740][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.728807][ T8525] [ 2872.728814][ T8525] Uninit was stored to memory at: [ 2872.728883][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.728932][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.728980][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.729036][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.729093][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.729150][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.729212][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.729272][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.729330][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.729397][ T8525] [ 2872.729405][ T8525] Uninit was stored to memory at: [ 2872.729474][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.729527][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.729572][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.729625][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.729682][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.729739][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.729800][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.729860][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.729919][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.729986][ T8525] [ 2872.729994][ T8525] Uninit was stored to memory at: [ 2872.730062][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.730111][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.730160][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.730216][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.730273][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.730330][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.730390][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.730457][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.730521][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.730589][ T8525] [ 2872.730596][ T8525] Uninit was stored to memory at: [ 2872.730665][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.730714][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.730763][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.730819][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.730875][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.730933][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.730995][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.731056][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.731115][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.731182][ T8525] [ 2872.731190][ T8525] Uninit was stored to memory at: [ 2872.731259][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.731308][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.731356][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.731413][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.731470][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.731533][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.731594][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.731655][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.731714][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.732585][ T8525] [ 2872.732594][ T8525] Uninit was stored to memory at: [ 2872.732667][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.732716][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2872.732762][ T8525] do_recvmmsg+0xd77/0x2120 [ 2872.732820][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.732875][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.732932][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2872.732994][ T8525] do_fast_syscall_32+0x34/0x70 [ 2872.733052][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2872.733110][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.733176][ T8525] [ 2872.733185][ T8525] Local variable msg_sys created at: [ 2872.733199][ T8525] do_recvmmsg+0xbb/0x2120 [ 2872.733251][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2872.907390][ T8552] not chained 2500000 origins [ 2872.907417][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2872.907467][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2872.907493][ T8552] Call Trace: [ 2872.907508][ T8552] [ 2872.907523][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2872.907599][ T8552] dump_stack+0x25/0x28 [ 2872.907658][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2872.907728][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.907795][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.907861][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.907935][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2872.907988][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.908053][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.908127][ T8552] ? should_fail+0x75/0x9c0 [ 2872.908173][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.908239][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.908309][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2872.908381][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.908446][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2872.908516][ T8552] __msan_chain_origin+0xbf/0x140 [ 2872.908582][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.908655][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.908713][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2872.908780][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.908845][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2872.908913][ T8552] ? 0xffffffff81000000 [ 2872.908954][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2872.909023][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2872.909088][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2872.909164][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.909229][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.909304][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.909375][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.909444][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.909511][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.909573][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.909644][ T8552] RIP: 0023:0xf6f00549 [ 2872.909676][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2872.909724][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2872.909770][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2872.909803][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2872.909834][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2872.909863][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2872.909892][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2872.909934][ T8552] [ 2872.909949][ T8552] Uninit was stored to memory at: [ 2872.910024][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.910074][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.910122][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.910179][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.910237][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.910295][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.910357][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.910417][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.910477][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.910544][ T8552] [ 2872.910551][ T8552] Uninit was stored to memory at: [ 2872.910620][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.910669][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.910718][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.910774][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.910832][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.910889][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.910951][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.911016][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.911076][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.911143][ T8552] [ 2872.911150][ T8552] Uninit was stored to memory at: [ 2872.911219][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.911268][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.911316][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.911373][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.911430][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.911488][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.911550][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.911611][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.911670][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.911736][ T8552] [ 2872.911744][ T8552] Uninit was stored to memory at: [ 2872.912158][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.912209][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.912257][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.912313][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.912371][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.912429][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.912490][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.912551][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.912611][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.912677][ T8552] [ 2872.912685][ T8552] Uninit was stored to memory at: [ 2872.912753][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.912801][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.912850][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.912906][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.912967][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.913029][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.913091][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.913152][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.913210][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.913281][ T8552] [ 2872.913289][ T8552] Uninit was stored to memory at: [ 2872.913358][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.913406][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.913454][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.913511][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.913568][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.913626][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.913687][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.913747][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.913807][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.913873][ T8552] [ 2872.913881][ T8552] Uninit was stored to memory at: [ 2872.913951][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2872.914007][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2872.914056][ T8552] do_recvmmsg+0xd77/0x2120 [ 2872.914112][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2872.914170][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2872.914227][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2872.914289][ T8552] do_fast_syscall_32+0x34/0x70 [ 2872.914349][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2872.914409][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2872.914476][ T8552] [ 2872.914485][ T8552] Local variable msg_sys created at: [ 2872.914500][ T8552] do_recvmmsg+0xbb/0x2120 [ 2872.914554][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.090786][ T8552] not chained 2510000 origins [ 2873.090810][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2873.090858][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2873.090884][ T8552] Call Trace: [ 2873.090898][ T8552] [ 2873.090913][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2873.090991][ T8552] dump_stack+0x25/0x28 [ 2873.091049][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2873.091117][ T8552] ? do_user_addr_fault+0x13f7/0x1f20 [ 2873.091176][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.091243][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.091313][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2873.091379][ T8552] ? kmsan_instrumentation_begin+0x53/0x70 [ 2873.091448][ T8552] ? irqentry_exit+0x2c/0x40 [ 2873.091500][ T8552] ? exc_page_fault+0x76/0x150 [ 2873.091551][ T8552] ? asm_exc_page_fault+0x1e/0x30 [ 2873.091610][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.091676][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.091746][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2873.091820][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.091886][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.091956][ T8552] __msan_chain_origin+0xbf/0x140 [ 2873.092027][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.092098][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.092155][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2873.092222][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.092287][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2873.092356][ T8552] ? 0xffffffff81000000 [ 2873.092396][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2873.092462][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.092526][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.092604][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.092669][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.092744][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.092815][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.092885][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.092950][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.093018][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.093088][ T8552] RIP: 0023:0xf6f00549 [ 2873.093120][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2873.093166][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2873.093213][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2873.093247][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2873.093277][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2873.093305][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2873.093334][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2873.093377][ T8552] [ 2873.093636][ T8552] Uninit was stored to memory at: [ 2873.093708][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.095263][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.095315][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.095372][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.095430][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.095494][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.095556][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.095617][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.095676][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.095744][ T8552] [ 2873.095751][ T8552] Uninit was stored to memory at: [ 2873.095822][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.095871][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.095919][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.095976][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.096039][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.096097][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.096159][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.096220][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.096279][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.096346][ T8552] [ 2873.096354][ T8552] Uninit was stored to memory at: [ 2873.096423][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.096472][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.096520][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.096577][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.096634][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.096692][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.096753][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.096813][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.096873][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.096940][ T8552] [ 2873.096948][ T8552] Uninit was stored to memory at: [ 2873.097022][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.097072][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.097120][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.097176][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.097234][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.097291][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.097353][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.097414][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.097473][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.097540][ T8552] [ 2873.097548][ T8552] Uninit was stored to memory at: [ 2873.097617][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.097665][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.097714][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.097770][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.097828][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.097886][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.097947][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.098014][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.098074][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.098141][ T8552] [ 2873.098149][ T8552] Uninit was stored to memory at: [ 2873.098217][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.098267][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.098315][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.098372][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.098429][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.098486][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.098548][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.098609][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.098668][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.098735][ T8552] [ 2873.098743][ T8552] Uninit was stored to memory at: [ 2873.098812][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.098861][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.098909][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.098966][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.099028][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.099086][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.099147][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.099208][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.099268][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.099335][ T8552] [ 2873.099344][ T8552] Local variable msg_sys created at: [ 2873.099359][ T8552] do_recvmmsg+0xbb/0x2120 [ 2873.099412][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.265719][ T8525] not chained 2520000 origins [ 2873.265748][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2873.265799][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2873.265825][ T8525] Call Trace: [ 2873.265840][ T8525] [ 2873.265857][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2873.265934][ T8525] dump_stack+0x25/0x28 [ 2873.266000][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2873.266072][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2873.266139][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2873.266204][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.266278][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2873.266327][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2873.266393][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.266465][ T8525] ? should_fail+0x75/0x9c0 [ 2873.266513][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2873.266577][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.266648][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2873.266718][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2873.266783][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.266852][ T8525] __msan_chain_origin+0xbf/0x140 [ 2873.266917][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.266997][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.267054][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2873.267121][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.267187][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2873.267268][ T8525] ? 0xffffffff81000000 [ 2873.267309][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2873.267373][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2873.267438][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.267512][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.267578][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.267652][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.267723][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.267793][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.267859][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.267921][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.267994][ T8525] RIP: 0023:0xf6e9f549 [ 2873.268024][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2873.268070][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2873.268116][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2873.268149][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2873.268179][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2873.268208][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2873.268238][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2873.268280][ T8525] [ 2873.268295][ T8525] Uninit was stored to memory at: [ 2873.268366][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.268415][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.268463][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.268520][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.268577][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.268635][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.268697][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.268758][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.268817][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.268884][ T8525] [ 2873.268891][ T8525] Uninit was stored to memory at: [ 2873.268960][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.269015][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.269063][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.269120][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.269177][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.269235][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.269296][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.269357][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.269416][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.269483][ T8525] [ 2873.269490][ T8525] Uninit was stored to memory at: [ 2873.269559][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.269609][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.269656][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.269713][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.269770][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.269827][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.269888][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.269948][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.270013][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.270080][ T8525] [ 2873.270088][ T8525] Uninit was stored to memory at: [ 2873.270157][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.270206][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.270254][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.270310][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.270368][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.270425][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.270486][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.270546][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.270605][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.270672][ T8525] [ 2873.270679][ T8525] Uninit was stored to memory at: [ 2873.270748][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.270797][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.270846][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.270901][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.270958][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.271021][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.271082][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.271143][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.271202][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.271268][ T8525] [ 2873.271276][ T8525] Uninit was stored to memory at: [ 2873.271345][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.271393][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.271442][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.271498][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.271556][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.271613][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.271674][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.271735][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.271921][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.271994][ T8525] [ 2873.272002][ T8525] Uninit was stored to memory at: [ 2873.272083][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.272132][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2873.272181][ T8525] do_recvmmsg+0xd77/0x2120 [ 2873.272238][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.272295][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.272353][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2873.272415][ T8525] do_fast_syscall_32+0x34/0x70 [ 2873.272476][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2873.272536][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.272603][ T8525] [ 2873.272612][ T8525] Local variable msg_sys created at: [ 2873.272628][ T8525] do_recvmmsg+0xbb/0x2120 [ 2873.272682][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2873.445374][ T8552] not chained 2530000 origins [ 2873.445400][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2873.445449][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2873.445476][ T8552] Call Trace: [ 2873.445489][ T8552] [ 2873.445506][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2873.445579][ T8552] dump_stack+0x25/0x28 [ 2873.445638][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2873.445708][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.445773][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.445838][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.445908][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2873.445961][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.446026][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.446097][ T8552] ? should_fail+0x75/0x9c0 [ 2873.446144][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.446206][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.446276][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2873.446345][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.446408][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.446478][ T8552] __msan_chain_origin+0xbf/0x140 [ 2873.446540][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.446614][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.446669][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2873.446735][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.446800][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2873.446865][ T8552] ? 0xffffffff81000000 [ 2873.446906][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2873.446974][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.447036][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.447110][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.447173][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.447248][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.447317][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.447385][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.447450][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.447511][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.447582][ T8552] RIP: 0023:0xf6f00549 [ 2873.447613][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2873.447659][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2873.447703][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2873.447737][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2873.447767][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2873.447795][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2873.447823][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2873.447865][ T8552] [ 2873.447880][ T8552] Uninit was stored to memory at: [ 2873.447950][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.448002][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.448050][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.448106][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.448160][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.448217][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.448277][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.448336][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.448395][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.448459][ T8552] [ 2873.448467][ T8552] Uninit was stored to memory at: [ 2873.448536][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.448584][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.448630][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.448686][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.448742][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.448797][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.448859][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.448917][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.448980][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.449046][ T8552] [ 2873.449053][ T8552] Uninit was stored to memory at: [ 2873.449119][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.449168][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.449215][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.449269][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.449326][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.449382][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.449442][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.449502][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.449560][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.449626][ T8552] [ 2873.449633][ T8552] Uninit was stored to memory at: [ 2873.449701][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.449748][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.449796][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.449851][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.449906][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.449976][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.450039][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.450098][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.450155][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.450222][ T8552] [ 2873.450229][ T8552] Uninit was stored to memory at: [ 2873.450298][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.450347][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.450396][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.450452][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.450510][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.450567][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.450628][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.450689][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.450747][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.450814][ T8552] [ 2873.450822][ T8552] Uninit was stored to memory at: [ 2873.450891][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.450938][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.450991][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.451046][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.451103][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.451161][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.451222][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.451283][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.451342][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.451409][ T8552] [ 2873.451417][ T8552] Uninit was stored to memory at: [ 2873.451485][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.451534][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.451582][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.451638][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.451696][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.452061][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.452122][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.452179][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.452234][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.452298][ T8552] [ 2873.452307][ T8552] Local variable msg_sys created at: [ 2873.452321][ T8552] do_recvmmsg+0xbb/0x2120 [ 2873.452372][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.625962][ T8552] not chained 2540000 origins [ 2873.625987][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2873.626036][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2873.626063][ T8552] Call Trace: [ 2873.626077][ T8552] [ 2873.626093][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2873.626169][ T8552] dump_stack+0x25/0x28 [ 2873.626227][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2873.626298][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.626365][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.626429][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.626502][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2873.626551][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.626617][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.626690][ T8552] ? should_fail+0x75/0x9c0 [ 2873.626737][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.626802][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.626872][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2873.626943][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.627013][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.627083][ T8552] __msan_chain_origin+0xbf/0x140 [ 2873.627148][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.627221][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.627278][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2873.627345][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.627410][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2873.627477][ T8552] ? 0xffffffff81000000 [ 2873.627517][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2873.627581][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.627646][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.627720][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.627785][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.627860][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.627930][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.628004][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.628077][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.628140][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.628211][ T8552] RIP: 0023:0xf6f00549 [ 2873.628242][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2873.628289][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2873.628336][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2873.628370][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2873.628400][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2873.628429][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2873.628457][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2873.628500][ T8552] [ 2873.628515][ T8552] Uninit was stored to memory at: [ 2873.628586][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.628635][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.628684][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.628740][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.628798][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.628856][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.628917][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.628983][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.629043][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.629110][ T8552] [ 2873.629118][ T8552] Uninit was stored to memory at: [ 2873.629187][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.629236][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.629284][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.629341][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.629398][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.629456][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.629518][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.629579][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.629638][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.629705][ T8552] [ 2873.629713][ T8552] Uninit was stored to memory at: [ 2873.629782][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.629831][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.629879][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.629935][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.629997][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.630054][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.630116][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.630177][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.630236][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.630303][ T8552] [ 2873.630311][ T8552] Uninit was stored to memory at: [ 2873.630379][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.630429][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.630477][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.630533][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.630590][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.630649][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.630710][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.630771][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.630836][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.630903][ T8552] [ 2873.630911][ T8552] Uninit was stored to memory at: [ 2873.630984][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.631034][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.631082][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.631138][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.631196][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.631253][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.631315][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.631376][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.631435][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.631502][ T8552] [ 2873.631510][ T8552] Uninit was stored to memory at: [ 2873.631579][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.631628][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.631676][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.631732][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.631978][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.632038][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.632100][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.632161][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.632220][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.632287][ T8552] [ 2873.632295][ T8552] Uninit was stored to memory at: [ 2873.632365][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.632414][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.632462][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.632519][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.632576][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.632634][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.632695][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.632756][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.632816][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.632883][ T8552] [ 2873.632892][ T8552] Local variable msg_sys created at: [ 2873.632907][ T8552] do_recvmmsg+0xbb/0x2120 [ 2873.632965][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.802493][ T8552] not chained 2550000 origins [ 2873.802520][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2873.802570][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2873.802597][ T8552] Call Trace: [ 2873.802613][ T8552] [ 2873.802629][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2873.802705][ T8552] dump_stack+0x25/0x28 [ 2873.802764][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2873.802831][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.802897][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.802970][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.803036][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.803109][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2873.803158][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.803223][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.803296][ T8552] ? should_fail+0x75/0x9c0 [ 2873.803343][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.803409][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.803479][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2873.803551][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.803615][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2873.803685][ T8552] __msan_chain_origin+0xbf/0x140 [ 2873.803752][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.803825][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.803882][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2873.803953][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.804018][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2873.804086][ T8552] ? 0xffffffff81000000 [ 2873.804127][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2873.804190][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2873.804255][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2873.804330][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.804409][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.804485][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.804556][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.804626][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.804692][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.804755][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.804826][ T8552] RIP: 0023:0xf6f00549 [ 2873.804859][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2873.804906][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2873.804957][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2873.804991][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2873.805022][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2873.805050][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2873.805079][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2873.805122][ T8552] [ 2873.805136][ T8552] Uninit was stored to memory at: [ 2873.805208][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.805257][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.805306][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.805363][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.805420][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.805477][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.805539][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.805599][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.805658][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.805725][ T8552] [ 2873.805733][ T8552] Uninit was stored to memory at: [ 2873.805802][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.805851][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.805899][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.805961][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.806019][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.806077][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.806139][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.806199][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.806259][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.806325][ T8552] [ 2873.806333][ T8552] Uninit was stored to memory at: [ 2873.806402][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.806451][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.806499][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.806556][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.806613][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.806671][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.806733][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.806793][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.806853][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.806920][ T8552] [ 2873.806927][ T8552] Uninit was stored to memory at: [ 2873.807001][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.807050][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.807098][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.807154][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.807212][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.807269][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.807331][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.807392][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.807450][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.807518][ T8552] [ 2873.807525][ T8552] Uninit was stored to memory at: [ 2873.807593][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.807643][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.807691][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.807747][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.807804][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.807861][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.807922][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.807987][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.808046][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.808113][ T8552] [ 2873.808121][ T8552] Uninit was stored to memory at: [ 2873.808190][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.808239][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.808286][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.808343][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.808400][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.808457][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.808519][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.808580][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.808642][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.808710][ T8552] [ 2873.808717][ T8552] Uninit was stored to memory at: [ 2873.808786][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2873.808835][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2873.808883][ T8552] do_recvmmsg+0xd77/0x2120 [ 2873.808944][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.809002][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2873.809059][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2873.809121][ T8552] do_fast_syscall_32+0x34/0x70 [ 2873.809182][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2873.809241][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2873.809308][ T8552] [ 2873.809317][ T8552] Local variable msg_sys created at: [ 2873.809332][ T8552] do_recvmmsg+0xbb/0x2120 [ 2873.809386][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2873.980043][ T8552] not chained 2560000 origins [ 2874.092970][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2874.095898][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2874.215152][ T8525] not chained 2570000 origins [ 2874.218257][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2879.320511][ T8552] Call Trace: [ 2879.320530][ T8552] [ 2879.320547][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2879.320615][ T8552] dump_stack+0x25/0x28 [ 2879.320668][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2879.320733][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2879.320793][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2879.320852][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2879.320919][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2879.320962][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2879.321026][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2879.321093][ T8552] ? should_fail+0x75/0x9c0 [ 2879.321135][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2879.321193][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2879.321257][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2879.321321][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2879.321380][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2879.321444][ T8552] __msan_chain_origin+0xbf/0x140 [ 2879.321503][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.321569][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.321621][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2879.321681][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.321740][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2879.321808][ T8552] ? 0xffffffff81000000 [ 2879.321847][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2879.321905][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2879.321964][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2879.322037][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.322097][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.322164][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.322228][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2879.322291][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.322350][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2879.322407][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.322471][ T8552] RIP: 0023:0xf6f00549 [ 2879.322502][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2879.322545][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2879.322586][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2879.322617][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2879.322645][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2879.322670][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2879.322696][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2879.322735][ T8552] [ 2879.322750][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2879.322798][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2879.322823][ T8525] Call Trace: [ 2879.322836][ T8525] [ 2879.322850][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2879.322918][ T8525] dump_stack+0x25/0x28 [ 2879.322976][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2879.323006][ T8552] Uninit was stored to memory at: [ 2879.323042][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.323074][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.323105][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.323122][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.323169][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.323167][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:06:39 [ 2879.323222][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.323237][ T8525] ? preempt_count_sub+0xf8/0x330 syzkaller user.w[ 2879.323277][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 arn kernel: [ 27[ 2879.323283][ T8525] ? kmsan_get_metadata+0x33/0x220 91.908935][ T837[ 2879.323332][ T8552] __do_fast_syscall_32+0x96/0xf0 7] entry_SYSENT[ 2879.323345][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 ER_compat_after_[ 2879.323391][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.323415][ T8525] ? should_fail+0x75/0x9c0 hwframe+0x4d/0x5[ 2879.323449][ T8552] do_SYSENTER_32+0x1b/0x20 c [ 2879.323458][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.323506][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.323526][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2879.323570][ T8552] [ 2879.323577][ T8552] Uninit was stored to memory at: [ 2879.323594][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2879.323643][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.323662][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.323689][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.323724][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2879.323735][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.323788][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.323791][ T8525] __msan_chain_origin+0xbf/0x140 [ 2879.323842][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.323852][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.323898][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2879.323920][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.323957][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.323975][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2879.324020][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2879.324037][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.324077][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.324099][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2879.324140][ T8552] [ 2879.324147][ T8552] Uninit was stored to memory at: [ 2879.324176][ T8525] ? 0xffffffff81000000 [ 2879.324213][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.324214][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2879.324260][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.324273][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.324306][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.324334][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2879.324360][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.324419][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.324426][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.324481][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2879.324485][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.324540][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.324555][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.324598][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2879.324622][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.324655][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.324688][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.324719][ T8552] [ 2879.324727][ T8552] Uninit was stored to memory at: [ 2879.324750][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.324792][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.324809][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.324839][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.324875][ T8525] RIP: 0023:0xf6e9f549 [ 2879.324885][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.324906][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2879.324950][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2879.324940][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.324978][ T8525] ORIG_RAX: 0000000000000151 [ 2879.324994][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2879.325000][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.325026][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2879.325055][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2879.325057][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2879.325083][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2879.325110][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2879.325116][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.325151][ T8525] [ 2879.325165][ T8525] Uninit was stored to memory at: [ 2879.325174][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2879.325231][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.325230][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.325294][ T8552] [ 2879.325278][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.325302][ T8552] Uninit was stored to memory at: [ 2879.325323][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.325367][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.325376][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.325413][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.325431][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.325459][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.325491][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.325512][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.325550][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.325566][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.325608][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.325620][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2879.325664][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.325679][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.325727][ T8525] [ 2879.325735][ T8525] Uninit was stored to memory at: [ 2879.325737][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2879.325800][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.325792][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.325856][ T8552] [ 2879.325864][ T8552] Uninit was stored to memory at: [ 2879.325847][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.325894][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.325929][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.325947][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.325975][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.326002][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.326028][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.326057][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.326081][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.326115][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.326136][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.326172][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.326190][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2879.326229][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.326249][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.326292][ T8525] [ 2879.326300][ T8525] Uninit was stored to memory at: [ 2879.326307][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2879.326365][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.326362][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.326426][ T8552] [ 2879.326412][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.326434][ T8552] Uninit was stored to memory at: [ 2879.326457][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.326500][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.326515][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.326547][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2879.326570][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.326593][ T8552] do_recvmmsg+0xd77/0x2120 [ 2879.326625][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.326646][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.326683][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.326701][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.326741][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.326756][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2879.326797][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.326814][ T8552] do_fast_syscall_32+0x34/0x70 [ 2879.326861][ T8525] [ 2879.326868][ T8525] Uninit was stored to memory at: [ 2879.326872][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2879.326933][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.326928][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.326997][ T8552] [ 2879.326980][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.327007][ T8552] Local variable msg_sys created at: [ 2879.327021][ T8552] do_recvmmsg+0xbb/0x2120 [ 2879.327026][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.327073][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2879.327079][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.327133][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.327189][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.327247][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.327306][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.327363][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.327430][ T8525] [ 2879.327437][ T8525] Uninit was stored to memory at: [ 2879.327510][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.327559][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.327607][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.327662][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.327719][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.327776][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.327837][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.327897][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.327955][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.328022][ T8525] [ 2879.328030][ T8525] Uninit was stored to memory at: [ 2879.328099][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.328145][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.328190][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.328243][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.328297][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.328352][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.328411][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.328469][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.328533][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.328599][ T8525] [ 2879.328606][ T8525] Uninit was stored to memory at: [ 2879.328675][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.328722][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.328768][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.328823][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.328880][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.328937][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.328997][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.329054][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.329111][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.329179][ T8525] [ 2879.329187][ T8525] Local variable msg_sys created at: [ 2879.329202][ T8525] do_recvmmsg+0xbb/0x2120 [ 2879.329253][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.785080][ T8525] not chained 2580000 origins [ 2879.785108][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2879.785157][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2879.785183][ T8525] Call Trace: [ 2879.785198][ T8525] [ 2879.785213][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2879.785287][ T8525] dump_stack+0x25/0x28 [ 2879.785345][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2879.785413][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.785479][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.785543][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2879.785615][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2879.785663][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.785725][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2879.785797][ T8525] ? should_fail+0x75/0x9c0 [ 2879.785844][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.785907][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2879.785982][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2879.786051][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.786114][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2879.786183][ T8525] __msan_chain_origin+0xbf/0x140 [ 2879.786246][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.786320][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.786374][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2879.786440][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.786505][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2879.786583][ T8525] ? 0xffffffff81000000 [ 2879.786624][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2879.786686][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2879.786750][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2879.786823][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.786886][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.786965][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.787033][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.787103][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.787167][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.787228][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.787298][ T8525] RIP: 0023:0xf6e9f549 [ 2879.787329][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2879.787375][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2879.787421][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2879.787455][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2879.787484][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2879.787511][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2879.787540][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2879.787582][ T8525] [ 2879.787597][ T8525] Uninit was stored to memory at: [ 2879.787666][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.787715][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.787762][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.787818][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.787874][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.787936][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.787997][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.788056][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.788115][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.788182][ T8525] [ 2879.788190][ T8525] Uninit was stored to memory at: [ 2879.788258][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.788307][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.788354][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.788410][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.788466][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.788524][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.788585][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.788644][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.788704][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.788769][ T8525] [ 2879.788777][ T8525] Uninit was stored to memory at: [ 2879.788844][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.788892][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.788946][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.789002][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.789059][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.789116][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.789178][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.789241][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.789301][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.789367][ T8525] [ 2879.789374][ T8525] Uninit was stored to memory at: [ 2879.789443][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.789492][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.789540][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.789596][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.789652][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.789709][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.789771][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.789831][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.789889][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.789961][ T8525] [ 2879.789969][ T8525] Uninit was stored to memory at: [ 2879.790037][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.790086][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.790134][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.790190][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.790247][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.790305][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.790377][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.790436][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.790495][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.790561][ T8525] [ 2879.790569][ T8525] Uninit was stored to memory at: [ 2879.790637][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.790686][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.790733][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.790788][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.790844][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.790901][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.790967][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.791026][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.791085][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.791151][ T8525] [ 2879.791158][ T8525] Uninit was stored to memory at: [ 2879.791226][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2879.791274][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2879.791322][ T8525] do_recvmmsg+0xd77/0x2120 [ 2879.791377][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2879.791434][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2879.791491][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2879.791552][ T8525] do_fast_syscall_32+0x34/0x70 [ 2879.791612][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2879.791670][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2879.791736][ T8525] [ 2879.791745][ T8525] Local variable msg_sys created at: [ 2879.791973][ T8525] do_recvmmsg+0xbb/0x2120 [ 2879.792029][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2880.016398][ T8552] not chained 2590000 origins [ 2880.016431][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2880.016481][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2880.016507][ T8552] Call Trace: [ 2880.016523][ T8552] [ 2880.016539][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2880.016614][ T8552] dump_stack+0x25/0x28 [ 2880.016673][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2880.016743][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2880.016811][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2880.016876][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2880.016957][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2880.017005][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2880.017070][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2880.017144][ T8552] ? should_fail+0x75/0x9c0 [ 2880.017191][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2880.017256][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2880.017327][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2880.017397][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2880.017470][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2880.017540][ T8552] __msan_chain_origin+0xbf/0x140 [ 2880.017605][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.017679][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.017736][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2880.017802][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.017868][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2880.017935][ T8552] ? 0xffffffff81000000 [ 2880.017975][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2880.018039][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2880.018103][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2880.018178][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.018243][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.018317][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.018388][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.018463][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.018529][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.018592][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.018662][ T8552] RIP: 0023:0xf6f00549 [ 2880.018694][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2880.018741][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2880.018787][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2880.018821][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2880.018851][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2880.018880][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2880.018909][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2880.018952][ T8552] [ 2880.018967][ T8552] Uninit was stored to memory at: [ 2880.019037][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.019087][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.019135][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.019191][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.019249][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.019307][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.019369][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.019439][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.019498][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.019565][ T8552] [ 2880.019573][ T8552] Uninit was stored to memory at: [ 2880.019641][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.019690][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.019739][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.019795][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.019852][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.019910][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.019972][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.020033][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.020092][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.020159][ T8552] [ 2880.020167][ T8552] Uninit was stored to memory at: [ 2880.020236][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.020285][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.020333][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.020389][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.020512][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.020578][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.020642][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.020703][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.020762][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.020831][ T8552] [ 2880.020840][ T8552] Uninit was stored to memory at: [ 2880.020911][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.020962][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.021011][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.021068][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.021126][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.021185][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.021247][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.021308][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.021367][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.021454][ T8552] [ 2880.021461][ T8552] Uninit was stored to memory at: [ 2880.021531][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.021581][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.021630][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.021687][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.021745][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.022086][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.022151][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.022211][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.022268][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.022331][ T8552] [ 2880.022339][ T8552] Uninit was stored to memory at: [ 2880.022416][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.022465][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.022515][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.022572][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.022630][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.022689][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.022752][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.022813][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.022873][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.022941][ T8552] [ 2880.022949][ T8552] Uninit was stored to memory at: [ 2880.023019][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2880.023069][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2880.023118][ T8552] do_recvmmsg+0xd77/0x2120 [ 2880.023175][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.023234][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2880.023292][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2880.023355][ T8552] do_fast_syscall_32+0x34/0x70 [ 2880.023422][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2880.023483][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2880.023551][ T8552] [ 2880.023560][ T8552] Local variable msg_sys created at: [ 2880.023575][ T8552] do_recvmmsg+0xbb/0x2120 [ 2880.023630][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2880.189733][ T8525] not chained 2600000 origins [ 2880.248386][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2880.252311][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2880.252365][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2880.252392][ T8525] Call Trace: [ 2880.252407][ T8525] [ 2880.252423][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2880.252496][ T8525] dump_stack+0x25/0x28 [ 2880.252554][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2880.252625][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2880.252691][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2880.468830][ T8552] not chained 2610000 origins [ 2880.472854][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2880.472939][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2882.597668][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2882.597739][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2882.597806][ T8525] ? should_fail+0x75/0x9c0 [ 2882.597848][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2882.597907][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:06:40 [ 2882.597971][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 syzkaller daemon[ 2882.598035][ T8525] ? kmsan_get_metadata+0x33/0x220 .info dhcpcd[304[ 2882.598093][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 9]: lapb17: usin[ 2882.598156][ T8525] __msan_chain_origin+0xbf/0x140 g IPv4LL address[ 2882.598217][ T8525] __get_compat_msghdr+0x6e1/0x9d0 169.254.22.81 [ 2882.598283][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.598335][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2882.598396][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.598455][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2882.598534][ T8525] ? 0xffffffff81000000 [ 2882.598571][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2882.598629][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2882.598688][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2882.598755][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.598814][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.598881][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.598945][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.599011][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.599070][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.599127][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.599192][ T8525] RIP: 0023:0xf6e9f549 [ 2882.599221][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2882.599264][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2882.599306][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2882.599336][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2882.599364][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2882.599390][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2882.599416][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2882.599455][ T8525] [ 2882.599471][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2882.599519][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2882.599544][ T8552] Call Trace: [ 2882.599558][ T8552] [ 2882.599572][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2882.599639][ T8552] dump_stack+0x25/0x28 [ 2882.599696][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2882.599761][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2882.599825][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2882.599890][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2882.599951][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2882.600035][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2882.600080][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2882.600141][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2882.600212][ T8552] ? should_fail+0x75/0x9c0 [ 2882.600255][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2882.600316][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2882.600382][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2882.600450][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2882.600511][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2882.600589][ T8552] __msan_chain_origin+0xbf/0x140 [ 2882.600653][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.600725][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.600780][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2882.600842][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.600905][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2882.600971][ T8552] ? 0xffffffff81000000 [ 2882.601016][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2882.601079][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2882.601141][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2882.601216][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.601279][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.601351][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.601419][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.601486][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.601551][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.601612][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.601678][ T8552] RIP: 0023:0xf6f00549 [ 2882.601709][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2882.601757][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2882.601801][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2882.601835][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2882.601864][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2882.601890][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2882.601917][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2882.601957][ T8552] [ 2882.602065][ T8552] Uninit was stored to memory at: [ 2882.602134][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.602183][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.602228][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.602283][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.602336][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.602393][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.602455][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.602512][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.602568][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.602631][ T8552] [ 2882.602638][ T8552] Uninit was stored to memory at: [ 2882.602705][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.602753][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.602798][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.602852][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.602907][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.602962][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.603027][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.603086][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.603145][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.603210][ T8552] [ 2882.603217][ T8552] Uninit was stored to memory at: [ 2882.603282][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.603329][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.603375][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.603431][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.603487][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.603543][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.603601][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.603659][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.603718][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.603782][ T8552] [ 2882.603789][ T8552] Uninit was stored to memory at: [ 2882.603855][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.603903][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.603950][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.604012][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.604066][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.604121][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.604180][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.604238][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.604297][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.604363][ T8552] [ 2882.604370][ T8552] Uninit was stored to memory at: [ 2882.604452][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.604499][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.604546][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.604599][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.604653][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.604707][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.604766][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.604823][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.604878][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.604941][ T8552] [ 2882.604948][ T8552] Uninit was stored to memory at: [ 2882.605018][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.605065][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.605111][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.605166][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.605220][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.605274][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.605334][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.605390][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.605453][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.605516][ T8552] [ 2882.605524][ T8552] Uninit was stored to memory at: [ 2882.605590][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.605636][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2882.605682][ T8552] do_recvmmsg+0xd77/0x2120 [ 2882.605735][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.605789][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.605844][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2882.605904][ T8552] do_fast_syscall_32+0x34/0x70 [ 2882.605962][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2882.606023][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.606087][ T8552] [ 2882.606096][ T8552] Local variable msg_sys created at: [ 2882.606110][ T8552] do_recvmmsg+0xbb/0x2120 [ 2882.606161][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2882.615473][ T8525] Uninit was stored to memory at: [ 2882.615558][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.615609][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.615657][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.615714][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.615769][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.615826][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.615887][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.615946][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.616005][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.616071][ T8525] [ 2882.616078][ T8525] Uninit was stored to memory at: [ 2882.616146][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.616194][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.616241][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.616296][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.616353][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.616407][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.616469][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.616534][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.616592][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.616658][ T8525] [ 2882.616665][ T8525] Uninit was stored to memory at: [ 2882.616732][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.616780][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.616827][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.616881][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.616938][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.624412][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.624486][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.624547][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.624606][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.624673][ T8525] [ 2882.624680][ T8525] Uninit was stored to memory at: [ 2882.624749][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.624797][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.624845][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.624900][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.624957][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.625014][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.625075][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.625133][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.625192][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.625258][ T8525] [ 2882.625265][ T8525] Uninit was stored to memory at: [ 2882.625332][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.625379][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.625426][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.625486][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.625543][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.625599][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.625659][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.625717][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.625774][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.625840][ T8525] [ 2882.625848][ T8525] Uninit was stored to memory at: [ 2882.625915][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.625962][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.626009][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.626064][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.626120][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.626177][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.626237][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.626295][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.626352][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.626418][ T8525] [ 2882.626425][ T8525] Uninit was stored to memory at: [ 2882.626499][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2882.626547][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2882.626593][ T8525] do_recvmmsg+0xd77/0x2120 [ 2882.626648][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.626704][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2882.626762][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2882.626821][ T8525] do_fast_syscall_32+0x34/0x70 [ 2882.626880][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2882.626937][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2882.627002][ T8525] [ 2882.627012][ T8525] Local variable msg_sys created at: [ 2882.627027][ T8525] do_recvmmsg+0xbb/0x2120 [ 2882.627080][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2882.640922][ T8561] EXT4-fs error (device sda1): ext4_lookup:1785: inode #12: comm dhcpcd: iget: checksum invalid [ 2882.665300][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2883.071404][ T8552] not chained 2620000 origins [ 2883.490200][ T8525] not chained 2630000 origins [ 2883.493331][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2883.493381][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2883.493407][ T8552] Call Trace: [ 2883.493424][ T8552] [ 2883.493440][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2883.493515][ T8552] dump_stack+0x25/0x28 [ 2883.493573][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2883.983912][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2883.989078][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2883.994231][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2884.000083][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2884.005142][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2884.010330][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2884.016206][ T8552] ? should_fail+0x75/0x9c0 [ 2884.020756][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2884.026022][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2884.032312][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2884.038433][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2884.043594][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2884.049448][ T8552] __msan_chain_origin+0xbf/0x140 [ 2884.054530][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.059705][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.064680][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2884.069577][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.074127][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2884.079368][ T8552] ? 0xffffffff81000000 [ 2884.083541][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2884.088690][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2884.093841][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2884.100133][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.106693][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.111423][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.117890][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.122961][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.127855][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.132396][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.138768][ T8552] RIP: 0023:0xf6f00549 [ 2884.142846][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2884.162479][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2884.170926][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2884.178915][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2884.186903][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2884.194888][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2884.202870][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2884.210870][ T8552] [ 2884.213892][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2884.214127][ T8552] Uninit was stored to memory at: [ 2884.222261][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2884.222288][ T8525] Call Trace: [ 2884.222304][ T8525] [ 2884.222320][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2884.227416][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.237406][ T8525] dump_stack+0x25/0x28 [ 2884.237465][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2884.240768][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.243697][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2884.243764][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2884.248432][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.253536][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2884.253611][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2884.257756][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.263461][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2884.263527][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2884.268477][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.273577][ T8525] ? should_fail+0x75/0x9c0 [ 2884.273624][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2884.278747][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.283236][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2884.283308][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2884.289098][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.294111][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2884.294178][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2884.298843][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.303937][ T8525] __msan_chain_origin+0xbf/0x140 [ 2884.304009][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.309799][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.316126][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2884.316185][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2884.320670][ T8552] [ 2884.320679][ T8552] Uninit was stored to memory at: [ 2884.325768][ T8525] do_recvmmsg+0xd77/0x2120 [ 2884.325836][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2884.330904][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.337082][ T8525] ? 0xffffffff81000000 [ 2884.337124][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2884.343352][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.348113][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2884.353281][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.358997][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2884.363573][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.368499][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.373664][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.379901][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2884.384893][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.389665][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.392040][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.396985][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2884.401460][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.407598][ T8525] do_fast_syscall_32+0x34/0x70 [ 2884.407664][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2884.412847][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.416911][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.422080][ T8552] [ 2884.427104][ T8525] RIP: 0023:0xf6e9f549 [ 2884.432334][ T8552] Uninit was stored to memory at: [ 2884.437134][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2884.443521][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.448028][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2884.454600][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.460829][ T8525] ORIG_RAX: 0000000000000151 [ 2884.460847][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2884.465573][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.470497][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2884.476886][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.481647][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2884.486734][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.491141][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2884.496053][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.500462][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2884.506846][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.513100][ T8525] [ 2884.513257][ T8525] Uninit was stored to memory at: [ 2884.515472][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.519592][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.524618][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.544341][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2884.549416][ T8552] [ 2884.549424][ T8552] Uninit was stored to memory at: [ 2884.555565][ T8525] do_recvmmsg+0xd77/0x2120 [ 2884.560529][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.565229][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2884.573245][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.577735][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.585881][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.590569][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2884.598607][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.605043][ T8525] do_fast_syscall_32+0x34/0x70 [ 2884.613063][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.618070][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2884.626112][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.630972][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.634057][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.639066][ T8525] [ 2884.639075][ T8525] Uninit was stored to memory at: [ 2884.643629][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.648812][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.655138][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.660081][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2884.662478][ T8552] [ 2884.662486][ T8552] Uninit was stored to memory at: [ 2884.662557][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.667487][ T8525] do_recvmmsg+0xd77/0x2120 [ 2884.672061][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.677177][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2884.681914][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.686864][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.693255][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.697761][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2884.702846][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.707532][ T8525] do_fast_syscall_32+0x34/0x70 [ 2884.712477][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.718819][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2884.723399][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.728425][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.734850][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.739709][ T8525] [ 2884.739723][ T8525] Uninit was stored to memory at: [ 2884.742111][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.747185][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.751608][ T8552] [ 2884.751617][ T8552] Uninit was stored to memory at: [ 2884.751688][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.756818][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2884.763192][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.768119][ T8525] do_recvmmsg+0xd77/0x2120 [ 2884.770438][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.775554][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2884.780626][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.785218][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.790118][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.794878][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2884.799347][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.805756][ T8525] do_fast_syscall_32+0x34/0x70 [ 2884.810397][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.815518][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2884.821919][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.826762][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.831850][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.836358][ T8525] [ 2884.836367][ T8525] Uninit was stored to memory at: [ 2884.841191][ T8552] [ 2884.841199][ T8552] Uninit was stored to memory at: [ 2884.841275][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.847664][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2884.852151][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2884.854469][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2884.859477][ T8552] do_recvmmsg+0xd77/0x2120 [ 2884.865890][ T8525] do_recvmmsg+0xd77/0x2120 [ 2884.870969][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.873403][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2884.878419][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.883647][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2884.888566][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2884.893622][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2884.898111][ T8552] do_fast_syscall_32+0x34/0x70 [ 2884.902738][ T8525] do_fast_syscall_32+0x34/0x70 [ 2884.907381][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2884.912144][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2884.918440][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.924867][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2884.929858][ T8552] [ 2884.929868][ T8552] Local variable msg_sys created at: [ 2884.934961][ T8525] [ 2884.939779][ T8552] do_recvmmsg+0xbb/0x2120 [ 2884.944713][ T8525] Uninit was stored to memory at: [ 2884.949177][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2884.953863][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2885.104292][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2885.104352][ T8525] do_recvmmsg+0xd77/0x2120 [ 2885.104428][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2885.104488][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:40 [ 2885.104546][ T8525] __do_fast_syscall_32+0x96/0xf0 syzkaller daemon[ 2885.104610][ T8525] do_fast_syscall_32+0x34/0x70 [ 2885.104667][ T8525] do_SYSENTER_32+0x1b/0x20 .err dhcpcd[8555[ 2885.104726][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2885.104793][ T8525] ]: ps_root_recvm[ 2885.104801][ T8525] Uninit was stored to memory at: [ 2885.104870][ T8525] __get_compat_msghdr+0x6e1/0x9d0 sg: Invalid argu[ 2885.164267][ T8525] get_compat_msghdr+0x108/0x2c0 ment [ 2885.170437][ T8525] do_recvmmsg+0xd77/0x2120 [ 2885.175570][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2885.180300][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.186805][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2885.192241][ T8525] do_fast_syscall_32+0x34/0x70 [ 2885.197150][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2885.201702][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2885.208203][ T8525] [ 2885.210533][ T8525] Uninit was stored to memory at: [ 2885.215744][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2885.220896][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2885.225718][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2885.225987][ T8525] do_recvmmsg+0xd77/0x2120 [ 2885.241170][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2885.246013][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.252487][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2885.257574][ T8525] do_fast_syscall_32+0x34/0x70 [ 2885.262613][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2885.267170][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:06:41 [ 2885.273683][ T8525] syzkaller daemon[ 2885.277241][ T8525] Local variable msg_sys created at: .err dhcpcd[8557[ 2885.284004][ T8525] do_recvmmsg+0xbb/0x2120 ]: ps_root_recvm[ 2885.289760][ T8525] __sys_recvmmsg+0x51c/0x6f0 sg: Invalid argument [ 2885.335620][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2885.355684][ T8552] not chained 2640000 origins [ 2885.360398][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2885.368762][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2885.378847][ T8552] Call Trace: [ 2885.382144][ T8552] [ 2885.385097][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2885.389843][ T8552] dump_stack+0x25/0x28 [ 2885.394051][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2885.399833][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2885.405013][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2885.410185][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2885.416058][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2885.421121][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2885.426288][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2885.432160][ T8552] ? should_fail+0x75/0x9c0 [ 2885.436733][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2885.436801][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2885.448194][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2885.454334][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2885.459510][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2885.465377][ T8552] __msan_chain_origin+0xbf/0x140 [ 2885.470467][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2885.475650][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2885.480649][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:41 [ 2885.483142][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller daemon[ 2885.485561][ T8552] do_recvmmsg+0xd77/0x2120 .err dhcpcd[8560[ 2885.485632][ T8552] ? xfd_validate_state+0xd1/0x2d0 ]: ps_root_recvm[ 2885.485698][ T8552] ? 0xffffffff81000000 sg: Invalid argu[ 2885.485737][ T8552] ? __stack_depot_save+0x21/0x4d0 ment [ 2885.485800][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2885.485865][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2885.485940][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.486003][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2885.486080][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.486148][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2885.486217][ T8552] do_fast_syscall_32+0x34/0x70 [ 2885.486279][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2885.486339][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2885.486408][ T8552] RIP: 0023:0xf6f00549 [ 2885.486440][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2885.486485][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2885.486529][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2885.486562][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2885.486593][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2885.486622][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2885.486651][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2885.486693][ T8552] [ 2885.489041][ T8552] Uninit was stored to memory at: [ 2885.654845][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:42 [ 2885.659994][ T8552] get_compat_msghdr+0x108/0x2c0 syzkaller daemon[ 2885.660770][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid .err dhcpcd[8554[ 2885.666628][ T8552] do_recvmmsg+0xd77/0x2120 ]: ps_root_recvm[ 2885.684728][ T8552] __sys_recvmmsg+0x51c/0x6f0 sg: Invalid argu[ 2885.690798][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.697289][ T8525] not chained 2650000 origins ment [ 2885.698441][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2885.705078][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2885.708951][ T8552] do_fast_syscall_32+0x34/0x70 [ 2885.717260][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2885.717286][ T8525] Call Trace: [ 2885.717301][ T8525] [ 2885.717316][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2885.722266][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2885.732245][ T8525] dump_stack+0x25/0x28 [ 2885.732305][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2885.735584][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2885.738518][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2885.743247][ T8552] [ 2885.747659][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2885.751870][ T8552] Uninit was stored to memory at: [ 2885.757500][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2885.763954][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2885.768924][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2885.771235][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2885.776327][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2885.776393][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2885.781415][ T8552] do_recvmmsg+0xd77/0x2120 [ 2885.787208][ T8525] ? should_fail+0x75/0x9c0 [ 2885.787257][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2885.792470][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2885.797412][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2885.802414][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.807438][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2885.813300][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2885.817723][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2885.822278][ T8552] do_fast_syscall_32+0x34/0x70 [ 2885.827299][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2885.832057][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2885.838202][ T8525] __msan_chain_origin+0xbf/0x140 [ 2885.844587][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2885.850568][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2885.855647][ T8552] [ 2885.860685][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2885.865578][ T8552] Uninit was stored to memory at: [ 2885.871306][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2885.875921][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2885.880799][ T8525] do_recvmmsg+0xd77/0x2120 [ 2885.887183][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2885.892204][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2885.892287][ T8525] ? 0xffffffff81000000 [ 2885.894590][ T8552] do_recvmmsg+0xd77/0x2120 [ 2885.899522][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2885.904595][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2885.909350][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2885.914515][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.918927][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2885.923922][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2885.929905][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.934114][ T8552] do_fast_syscall_32+0x34/0x70 [ 2885.938536][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2885.943700][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2885.948303][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2885.953458][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2885.959703][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2885.965994][ T8552] [ 2885.970928][ T8525] do_fast_syscall_32+0x34/0x70 [ 2885.977575][ T8552] Uninit was stored to memory at: [ 2885.982344][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2885.982409][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2885.987181][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2885.991564][ T8525] RIP: 0023:0xf6e9f549 [ 2885.997953][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2886.004186][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2886.004235][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2886.009270][ T8552] do_recvmmsg+0xd77/0x2120 [ 2886.011585][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2886.016496][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2886.021428][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2886.025990][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.032223][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2886.032253][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2886.032282][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2886.032325][ T8525] [ 2886.037397][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2886.045177][ T8525] Uninit was stored to memory at: [ 2886.046461][ T8552] do_fast_syscall_32+0x34/0x70 [ 2886.066498][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.074543][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2886.079059][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2886.087100][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.091864][ T8525] do_recvmmsg+0xd77/0x2120 [ 2886.099823][ T8552] [ 2886.099832][ T8552] Uninit was stored to memory at: [ 2886.099911][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.106262][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2886.114281][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2886.122339][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.130296][ T8552] do_recvmmsg+0xd77/0x2120 [ 2886.133404][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2886.138390][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2886.143497][ T8525] do_fast_syscall_32+0x34/0x70 [ 2886.148315][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.153518][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2886.157982][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2886.163002][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.169297][ T8552] do_fast_syscall_32+0x34/0x70 [ 2886.173887][ T8525] [ 2886.176185][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2886.181193][ T8525] Uninit was stored to memory at: [ 2886.181270][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.186429][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.191108][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2886.196112][ T8552] [ 2886.196120][ T8552] Uninit was stored to memory at: [ 2886.196192][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.202523][ T8525] do_recvmmsg+0xd77/0x2120 [ 2886.207004][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2886.212111][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2886.216767][ T8552] do_recvmmsg+0xd77/0x2120 [ 2886.222433][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.228727][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2886.233326][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2886.238317][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.244726][ T8525] do_fast_syscall_32+0x34/0x70 [ 2886.249554][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2886.252000][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2886.256438][ T8552] do_fast_syscall_32+0x34/0x70 [ 2886.261447][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.266666][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2886.273072][ T8525] [ 2886.273082][ T8525] Uninit was stored to memory at: [ 2886.277993][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.280382][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.285414][ T8552] [ 2886.285423][ T8552] Uninit was stored to memory at: [ 2886.285493][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.290537][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2886.295106][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2886.300046][ T8525] do_recvmmsg+0xd77/0x2120 [ 2886.304790][ T8552] do_recvmmsg+0xd77/0x2120 [ 2886.309296][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2886.315686][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2886.320366][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.325452][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.331889][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2886.336742][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2886.341849][ T8525] do_fast_syscall_32+0x34/0x70 [ 2886.346315][ T8552] do_fast_syscall_32+0x34/0x70 [ 2886.351148][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2886.357537][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2886.362121][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.364434][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.369438][ T8525] [ 2886.369447][ T8525] Uninit was stored to memory at: [ 2886.375824][ T8552] [ 2886.375834][ T8552] Local variable msg_sys created at: [ 2886.375853][ T8552] do_recvmmsg+0xbb/0x2120 [ 2886.381005][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.383340][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2886.388348][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2886.511147][ T8525] do_recvmmsg+0xd77/0x2120 [ 2886.511216][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2886.511275][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.511335][ T8525] __do_fast_syscall_32+0x96/0xf0 May 18 04:06:42 [ 2886.511398][ T8525] do_fast_syscall_32+0x34/0x70 [ 2886.511459][ T8525] do_SYSENTER_32+0x1b/0x20 syzkaller daemon[ 2886.511523][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.511591][ T8525] .err dhcpcd[8558[ 2886.511600][ T8525] Uninit was stored to memory at: ]: ps_root_recvm[ 2886.511672][ T8525] __get_compat_msghdr+0x6e1/0x9d0 sg: Invalid argu[ 2886.511720][ T8525] get_compat_msghdr+0x108/0x2c0 ment [ 2886.511866][ T8525] do_recvmmsg+0xd77/0x2120 [ 2886.511923][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2886.511980][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.512038][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2886.512098][ T8525] do_fast_syscall_32+0x34/0x70 [ 2886.564679][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2886.566558][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2886.566626][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.620650][ T8525] [ 2886.620662][ T8525] Uninit was stored to memory at: [ 2886.620743][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.620794][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2886.620840][ T8525] do_recvmmsg+0xd77/0x2120 [ 2886.643044][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2886.647782][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:06:42 [ 2886.654269][ T8525] __do_fast_syscall_32+0x96/0xf0 syzkaller daemon[ 2886.660639][ T8525] do_fast_syscall_32+0x34/0x70 .err dhcpcd[8559[ 2886.666967][ T8525] do_SYSENTER_32+0x1b/0x20 ]: ps_root_recvm[ 2886.672898][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c sg: Invalid argu[ 2886.680583][ T8525] ment [ 2886.684421][ T8525] Uninit was stored to memory at: [ 2886.689884][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2886.695163][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2886.700141][ T8525] do_recvmmsg+0xd77/0x2120 [ 2886.704811][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2886.709539][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2886.712366][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2886.716027][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2886.716094][ T8525] do_fast_syscall_32+0x34/0x70 [ 2886.716152][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2886.716209][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2886.716278][ T8525] [ 2886.716288][ T8525] Local variable msg_sys created at: [ 2886.716302][ T8525] do_recvmmsg+0xbb/0x2120 [ 2886.716354][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:06:43 [ 2886.843795][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2886.853862][ T8525] not chained 2660000 origins syzkaller daemon[ 2886.859501][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 .err dhcpcd[8556[ 2886.869220][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2886.869251][ T8525] Call Trace: [ 2886.869266][ T8525] ]: ps_root_recvm[ 2886.869281][ T8525] dump_stack_lvl+0x1ff/0x28e sg: Invalid argu[ 2886.869359][ T8525] dump_stack+0x25/0x28 ment [ 2886.869417][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2886.869490][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:06:44 [ 2886.910059][ T8525] ? kmsan_get_metadata+0x33/0x220 syzkaller user.e[ 2886.916554][ T8525] ? kmsan_get_metadata+0x33/0x220 rr kernel: [ 279[ 2886.923104][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 1.915397][ T8377[ 2886.930347][ T8525] ? preempt_count_sub+0xf8/0x330 ] [ 2886.936750][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2886.942189][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2886.948055][ T8525] ? should_fail+0x75/0x9c0 [ 2886.952600][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2886.952681][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2886.952753][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2886.974750][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2886.980884][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2886.986083][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2886.991948][ T8525] __msan_chain_origin+0xbf/0x140 [ 2886.997022][ T8525] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:06:45 [ 2887.002199][ T8525] get_compat_msghdr+0x108/0x2c0 syzkaller daemon[ 2887.008472][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2887.014693][ T8525] do_recvmmsg+0xd77/0x2120 .info dhcpcd[304[ 2887.019253][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2887.026681][ T8525] ? 0xffffffff81000000 9]: lapb17: addi[ 2887.030874][ T8525] ? __stack_depot_save+0x21/0x4d0 ng route to 169.[ 2887.037359][ T8525] ? kmsan_get_metadata+0x33/0x220 254.0.0/16 [ 2887.043845][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2887.051123][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.057692][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.062443][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.062930][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2887.068844][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.084564][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.089492][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.094079][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.100482][ T8525] RIP: 0023:0xf6e9f549 [ 2887.104565][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2887.124209][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2887.132662][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:07:06 [ 2887.140667][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2887.150037][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 syzkaller user.e[ 2887.158035][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 rr kernel: [ 279[ 2887.167387][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 1.917740][ T8377[ 2887.176747][ T8525] ] Uninit was stored to memory at: [ 2887.184628][ T8525] Uninit was stored to memory at: [ 2887.189726][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.195079][ T8552] not chained 2670000 origins [ 2887.195100][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2887.195148][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2887.195174][ T8552] Call Trace: [ 2887.195188][ T8552] [ 2887.195204][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2887.195276][ T8552] dump_stack+0x25/0x28 [ 2887.195333][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2887.195402][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2887.200099][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2887.208412][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2887.208478][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2887.208551][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2887.218688][ T8525] do_recvmmsg+0xd77/0x2120 [ 2887.221855][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2887.221922][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2887.224859][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.229523][ T8552] ? should_fail+0x75/0x9c0 [ 2887.233769][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.239375][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2887.244626][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.249415][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2887.254624][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.260306][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2887.265425][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.269815][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2887.275006][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.280702][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2887.285460][ T8525] [ 2887.289847][ T8552] __msan_chain_origin+0xbf/0x140 [ 2887.296251][ T8525] Uninit was stored to memory at: [ 2887.301248][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.306409][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.312487][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2887.312547][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2887.317385][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2887.323436][ T8552] do_recvmmsg+0xd77/0x2120 [ 2887.323504][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2887.328018][ T8525] do_recvmmsg+0xd77/0x2120 [ 2887.333128][ T8552] ? 0xffffffff81000000 [ 2887.333171][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2887.339519][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.345309][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2887.345378][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2887.347723][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.352739][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.352806][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2887.357818][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.362925][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.362998][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2887.368139][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.368200][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.368251][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.373187][ T8552] do_fast_syscall_32+0x34/0x70 [ 2887.373259][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2887.373322][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.378333][ T8525] [ 2887.378344][ T8525] Uninit was stored to memory at: [ 2887.383262][ T8552] RIP: 0023:0xf6f00549 [ 2887.383301][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2887.383347][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2887.383393][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2887.387942][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.392976][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2887.393009][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2887.393037][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2887.393066][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2887.393109][ T8552] [ 2887.397589][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2887.403917][ T8552] Uninit was stored to memory at: [ 2887.406933][ T8525] do_recvmmsg+0xd77/0x2120 [ 2887.411547][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.416670][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.416729][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.416785][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.416854][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.416913][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.423216][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2887.429699][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.436316][ T8552] do_recvmmsg+0xd77/0x2120 [ 2887.441092][ T8525] [ 2887.441102][ T8525] Uninit was stored to memory at: [ 2887.446190][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2887.452669][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.457610][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.462558][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2887.467014][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2887.473428][ T8525] do_recvmmsg+0xd77/0x2120 [ 2887.478247][ T8552] do_fast_syscall_32+0x34/0x70 [ 2887.482833][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.489120][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2887.491443][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.496529][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.500599][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.520465][ T8552] [ 2887.520476][ T8552] Uninit was stored to memory at: [ 2887.520550][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.528984][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.537009][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2887.542205][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.550162][ T8552] do_recvmmsg+0xd77/0x2120 [ 2887.558218][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.566237][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2887.574313][ T8525] [ 2887.577306][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.582302][ T8525] Uninit was stored to memory at: [ 2887.582375][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.587306][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2887.591891][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2887.596960][ T8552] do_fast_syscall_32+0x34/0x70 [ 2887.601618][ T8525] do_recvmmsg+0xd77/0x2120 [ 2887.608553][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2887.613553][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.618384][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.622972][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.627875][ T8552] [ 2887.627884][ T8552] Uninit was stored to memory at: [ 2887.634283][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.638808][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.641058][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.646142][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2887.650821][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.655995][ T8552] do_recvmmsg+0xd77/0x2120 [ 2887.662398][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.667329][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2887.672442][ T8525] [ 2887.676904][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.681739][ T8525] Uninit was stored to memory at: [ 2887.686482][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2887.691037][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.697365][ T8552] do_fast_syscall_32+0x34/0x70 [ 2887.703774][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2887.708780][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2887.711093][ T8525] do_recvmmsg+0xd77/0x2120 [ 2887.716182][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.721294][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.726206][ T8552] [ 2887.726215][ T8552] Uninit was stored to memory at: [ 2887.726288][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.731158][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.735720][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2887.740225][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.746612][ T8552] do_recvmmsg+0xd77/0x2120 [ 2887.751293][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.753698][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2887.760011][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.765096][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.770210][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.775294][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2887.780235][ T8525] [ 2887.780243][ T8525] Uninit was stored to memory at: [ 2887.780317][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.785185][ T8552] do_fast_syscall_32+0x34/0x70 [ 2887.789704][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2887.794305][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2887.798985][ T8525] do_recvmmsg+0xd77/0x2120 [ 2887.805857][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.812266][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.814583][ T8552] [ 2887.814592][ T8552] Uninit was stored to memory at: [ 2887.819587][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.824784][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2887.829835][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2887.834747][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2887.839685][ T8525] do_fast_syscall_32+0x34/0x70 [ 2887.844246][ T8552] do_recvmmsg+0xd77/0x2120 [ 2887.848753][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2887.855140][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2887.859817][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2887.862210][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2887.868524][ T8525] [ 2887.868534][ T8525] Local variable msg_sys created at: [ 2887.873605][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2887.878634][ T8525] do_recvmmsg+0xbb/0x2120 [ 2887.883806][ T8552] do_fast_syscall_32+0x34/0x70 [ 2887.888657][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2887.893658][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2887.935257][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2887.937645][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.130632][ T8552] [ 2888.130643][ T8552] Uninit was stored to memory at: [ 2888.130721][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.143324][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:11 [ 2888.148306][ T8552] do_recvmmsg+0xd77/0x2120 syzkaller daemon[ 2888.154502][ T8552] __sys_recvmmsg+0x51c/0x6f0 .err dhcpcd[3049[ 2888.160547][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ]: ps_root_recvm[ 2888.168357][ T8552] __do_fast_syscall_32+0x96/0xf0 sg: Invalid argu[ 2888.174837][ T8552] do_fast_syscall_32+0x34/0x70 ment [ 2888.180998][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2888.185993][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.192462][ T8552] [ 2888.192958][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2888.194793][ T8552] Uninit was stored to memory at: [ 2888.194869][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.215797][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2888.220777][ T8552] do_recvmmsg+0xd77/0x2120 [ 2888.225526][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2888.230293][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2888.230356][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2888.242862][ T8552] do_fast_syscall_32+0x34/0x70 [ 2888.247763][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2888.252406][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.258803][ T8552] [ 2888.261132][ T8552] Local variable msg_sys created at: [ 2888.266649][ T8552] do_recvmmsg+0xbb/0x2120 [ 2888.271125][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:13 syzkaller user.warn kernel: [ 2791.922907][ T8377] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:21 syzkaller user.warn kernel: [ 2791.928054][ T8377] get_compat_msghdr+0x108/0x2c0 May 18 04:07:21 syzkaller daemon.err dhcpcd[3049]: script_runreason: Bad message May 18 04:07:24 syzkaller user.warn kernel: [ 2791.933105][ T8377] do_recvmmsg+0xd77/0x2120 May 18 04:07:24 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:24 syzkaller user.warn kernel: [ 2791.937657][ [ 2888.323111][ T8552] not chained 2680000 origins T8377] __sys_re[ 2888.328580][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2888.328633][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2888.328659][ T8552] Call Trace: [ 2888.328674][ T8552] [ 2888.328690][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2888.359018][ T8552] dump_stack+0x25/0x28 [ 2888.363231][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2888.369021][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2888.374198][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2888.379375][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2888.385244][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2888.390315][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2888.395488][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2888.401367][ T8552] ? should_fail+0x75/0x9c0 [ 2888.405919][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2888.411095][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2888.417398][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2888.423562][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2888.428734][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 cvmmsg+0x51c/0x6f0 May 18 04:07:24 syzkaller daemon.err dhcpcd[[ 2888.434630][ T8552] __msan_chain_origin+0xbf/0x140 3049]: ps_root_r[ 2888.434703][ T8552] __get_compat_msghdr+0x6e1/0x9d0 ecvmsgcb: failed[ 2888.434778][ T8552] get_compat_msghdr+0x108/0x2c0 to send message[ 2888.434836][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 to pid 8541: Co[ 2888.434904][ T8552] do_recvmmsg+0xd77/0x2120 nnection refused[ 2888.434975][ T8552] ? xfd_validate_state+0xd1/0x2d0 May 18 04:07:2[ 2888.435043][ T8552] ? 0xffffffff81000000 5 syzkaller user[ 2888.435085][ T8552] ? __stack_depot_save+0x21/0x4d0 .warn kernel: [ [ 2888.435150][ T8552] ? kmsan_get_metadata+0x33/0x220 2791.942459][ T8[ 2888.435216][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 377] __ia32_com[ 2888.435291][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 pat_sys_recvmmsg[ 2888.435357][ T8552] __sys_recvmmsg+0x51c/0x6f0 _time32+0x16e/0x[ 2888.435436][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 1d0 May 18 04:0[ 2888.435507][ T8552] __do_fast_syscall_32+0x96/0xf0 7:26 syzkaller u[ 2888.435579][ T8552] do_fast_syscall_32+0x34/0x70 ser.warn kernel:[ 2888.435646][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2791.948833][[ 2888.435709][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c T8377] __do_fa[ 2888.435780][ T8552] RIP: 0023:0xf6f00549 st_syscall_32+0x[ 2888.435813][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 96/0xf0 May 18 [ 2888.435860][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 04:07:26 syzkall[ 2888.435907][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 er user.warn ker[ 2888.435941][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 nel: [ 2791.9539[ 2888.435975][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 93][ T8377] do_[ 2888.436005][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 fast_syscall_32+[ 2888.436033][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 0x34/0x70 May 1[ 2888.436076][ T8552] 8 04:07:26 syzka[ 2888.438407][ T8552] Uninit was stored to memory at: ller user.warn k[ 2888.438483][ T8552] __get_compat_msghdr+0x6e1/0x9d0 ernel: [ 2791.95[ 2888.438534][ T8552] get_compat_msghdr+0x108/0x2c0 8892][ T8377] d[ 2888.438582][ T8552] do_recvmmsg+0xd77/0x2120 o_SYSENTER_32+0x[ 2888.438640][ T8552] __sys_recvmmsg+0x51c/0x6f0 1b/0x20 May 18 [ 2888.438698][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 04:07:25 syzkall[ 2888.438757][ T8552] __do_fast_syscall_32+0x96/0xf0 er daemon.err dh[ 2888.438820][ T8552] do_fast_syscall_32+0x34/0x70 cpcd[3049]: ps_s[ 2888.438881][ T8552] do_SYSENTER_32+0x1b/0x20 endpsmmsg: Conne[ 2888.438940][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c ction refused [ 2888.439012][ T8552] [ 2888.439020][ T8552] Uninit was stored to memory at: [ 2888.439517][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.439569][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2888.439615][ T8552] do_recvmmsg+0xd77/0x2120 [ 2888.439671][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2888.439726][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2888.439781][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2888.439841][ T8552] do_fast_syscall_32+0x34/0x70 [ 2888.439901][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2888.439966][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.440030][ T8552] [ 2888.440038][ T8552] Uninit was stored to memory at: [ 2888.440104][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.440151][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2888.440199][ T8552] do_recvmmsg+0xd77/0x2120 [ 2888.440254][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2888.440309][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2888.440365][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2888.440573][ T8552] do_fast_syscall_32+0x34/0x70 [ 2888.733289][ T8525] not chained 2690000 origins [ 2888.735205][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2888.741445][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2888.746532][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.751284][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2888.755846][ T8552] [ 2888.762079][ T8525] Call Trace: [ 2888.762097][ T8525] [ 2888.762113][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2888.764480][ T8552] Uninit was stored to memory at: [ 2888.764558][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.769500][ T8525] dump_stack+0x25/0x28 [ 2888.774669][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2888.779517][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2888.784162][ T8552] do_recvmmsg+0xd77/0x2120 [ 2888.788927][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2888.795316][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2888.800250][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2888.805164][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2888.809750][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2888.814308][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2888.822545][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2888.822621][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2888.828938][ T8552] do_fast_syscall_32+0x34/0x70 [ 2888.838985][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2888.839052][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2888.841382][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2888.844655][ T8525] ? should_fail+0x75/0x9c0 [ 2888.844703][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2888.847782][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.852457][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2888.852529][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2888.857537][ T8552] [ 2888.857546][ T8552] Uninit was stored to memory at: [ 2888.862632][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2888.862699][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2888.866899][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.871760][ T8525] __msan_chain_origin+0xbf/0x140 [ 2888.871826][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.877535][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2888.882038][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2888.882097][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2888.887185][ T8552] do_recvmmsg+0xd77/0x2120 [ 2888.891848][ T8525] do_recvmmsg+0xd77/0x2120 [ 2888.891915][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2888.897016][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2888.903340][ T8525] ? 0xffffffff81000000 [ 2888.903383][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2888.908495][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2888.913503][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2888.913570][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2888.919364][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2888.924376][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2888.924460][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2888.929289][ T8552] do_fast_syscall_32+0x34/0x70 [ 2888.934395][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2888.934472][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2888.940243][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2888.944733][ T8525] do_fast_syscall_32+0x34/0x70 [ 2888.944801][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2888.949297][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.954391][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2888.954468][ T8525] RIP: 0023:0xf6e9f549 [ 2888.960774][ T8552] [ 2888.960783][ T8552] Uninit was stored to memory at: [ 2888.966996][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2888.967045][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2888.973263][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2888.975454][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2888.980463][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2888.985554][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2888.985585][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2888.985615][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2888.985644][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2888.991456][ T8552] do_recvmmsg+0xd77/0x2120 [ 2888.996538][ T8525] [ 2889.000438][ T8525] Uninit was stored to memory at: [ 2889.001605][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2889.007211][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.011709][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.016748][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2889.021467][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2889.026052][ T8525] do_recvmmsg+0xd77/0x2120 [ 2889.030521][ T8552] do_fast_syscall_32+0x34/0x70 [ 2889.036681][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.041314][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2889.045559][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.050634][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.057047][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2889.062199][ T8552] [ 2889.062209][ T8552] Uninit was stored to memory at: [ 2889.062284][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.068441][ T8525] do_fast_syscall_32+0x34/0x70 [ 2889.073516][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2889.080033][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.084776][ T8552] do_recvmmsg+0xd77/0x2120 [ 2889.089628][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.096026][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2889.101130][ T8525] [ 2889.101139][ T8525] Uninit was stored to memory at: [ 2889.105693][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.110784][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.115371][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2889.121703][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2889.128093][ T8552] do_fast_syscall_32+0x34/0x70 [ 2889.132173][ T8525] do_recvmmsg+0xd77/0x2120 [ 2889.134460][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2889.139465][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.159149][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.167665][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.172814][ T8552] [ 2889.172825][ T8552] Local variable msg_sys created at: [ 2889.180772][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2889.185769][ T8552] do_recvmmsg+0xbb/0x2120 [ 2889.193827][ T8525] do_fast_syscall_32+0x34/0x70 [ 2889.201863][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2889.209844][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.428165][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.428246][ T8525] [ 2889.428255][ T8525] Uninit was stored to memory at: [ 2889.428328][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.428378][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2889.428426][ T8525] do_recvmmsg+0xd77/0x2120 [ 2889.428485][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.428542][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.428600][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2889.428662][ T8525] do_fast_syscall_32+0x34/0x70 [ 2889.428723][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.428782][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.428848][ T8525] [ 2889.428856][ T8525] Uninit was stored to memory at: [ 2889.428925][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.428974][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2889.429028][ T8525] do_recvmmsg+0xd77/0x2120 [ 2889.429084][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.429141][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.429199][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2889.429261][ T8525] do_fast_syscall_32+0x34/0x70 [ 2889.429321][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.429380][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:27 [ 2889.429448][ T8525] syzkaller user.w[ 2889.429455][ T8525] Uninit was stored to memory at: arn kernel: [ 27[ 2889.429524][ T8525] __get_compat_msghdr+0x6e1/0x9d0 91.963527][ T837[ 2889.429574][ T8525] get_compat_msghdr+0x108/0x2c0 7] entry_SYSENT[ 2889.429621][ T8525] do_recvmmsg+0xd77/0x2120 ER_compat_after_[ 2889.429677][ T8525] __sys_recvmmsg+0x51c/0x6f0 hwframe+0x4d/0x5[ 2889.429735][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 c [ 2889.429793][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2889.429854][ T8525] do_fast_syscall_32+0x34/0x70 [ 2889.429914][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.429974][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.430047][ T8525] [ 2889.430054][ T8525] Uninit was stored to memory at: [ 2889.430123][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.430173][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2889.430224][ T8525] do_recvmmsg+0xd77/0x2120 [ 2889.430280][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.430337][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.430396][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2889.430458][ T8525] do_fast_syscall_32+0x34/0x70 [ 2889.430517][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.430577][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.430644][ T8525] [ 2889.430651][ T8525] Uninit was stored to memory at: [ 2889.430721][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.430770][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2889.430818][ T8525] do_recvmmsg+0xd77/0x2120 [ 2889.430875][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.430932][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.430990][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2889.431057][ T8525] do_fast_syscall_32+0x34/0x70 [ 2889.431117][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.431177][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2889.431244][ T8525] [ 2889.431253][ T8525] Local variable msg_sys created at: [ 2889.431268][ T8525] do_recvmmsg+0xbb/0x2120 [ 2889.431322][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.559442][ T8525] not chained 2700000 origins [ 2889.767431][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2889.767486][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2889.767512][ T8525] Call Trace: [ 2889.767533][ T8525] [ 2889.767550][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2889.767625][ T8525] dump_stack+0x25/0x28 [ 2889.767684][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2889.767754][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2889.767822][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2889.767886][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2889.767959][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2889.768008][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2889.768073][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2889.768144][ T8525] ? should_fail+0x75/0x9c0 [ 2889.843565][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2889.848738][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2889.855045][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2889.861184][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2889.866386][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2889.866462][ T8525] __msan_chain_origin+0xbf/0x140 [ 2889.877328][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.882501][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:07:27 [ 2889.887531][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 syzkaller daemon[ 2889.887600][ T8525] do_recvmmsg+0xd77/0x2120 .err dhcpcd[3049[ 2889.887665][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 ]: ps_root_recvm[ 2889.887747][ T8525] ? 0xffffffff81000000 sgcb: failed to [ 2889.887785][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2889.887847][ T8525] ? kmsan_get_metadata+0x33/0x220 send message to [ 2889.887910][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 pid 8557: Connec[ 2889.887981][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2889.888045][ T8525] __sys_recvmmsg+0x51c/0x6f0 tion refused Ma[ 2889.888117][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 y 18 04:07:27 sy[ 2889.888184][ T8525] __do_fast_syscall_32+0x96/0xf0 zkaller user.err[ 2889.888253][ T8525] do_fast_syscall_32+0x34/0x70 kernel: [ 2791.[ 2889.888314][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2889.888377][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 969916][ T8377] [ 2889.888449][ T8525] RIP: 0023:0xf6e9f549 [ 2889.888480][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2889.888531][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2889.888576][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2889.888609][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2889.888639][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2889.888666][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2889.888695][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2889.888737][ T8525] [ 2889.889029][ T8525] Uninit was stored to memory at: [ 2889.917854][ T8552] not chained 2710000 origins [ 2889.926155][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2889.938901][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2889.946387][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2889.953790][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2889.953820][ T8552] Call Trace: [ 2889.953836][ T8552] [ 2889.953854][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2889.953928][ T8552] dump_stack+0x25/0x28 [ 2889.953995][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2889.960421][ T8525] do_recvmmsg+0xd77/0x2120 [ 2889.966502][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2889.966577][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2889.966644][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2889.966720][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2889.972571][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2889.978782][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2889.978852][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2889.978927][ T8552] ? should_fail+0x75/0x9c0 [ 2889.984326][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.003827][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2890.003898][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2890.003976][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2890.004045][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2890.012580][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2890.020456][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2890.028502][ T8525] do_fast_syscall_32+0x34/0x70 [ 2890.036371][ T8552] __msan_chain_origin+0xbf/0x140 [ 2890.036440][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.044500][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2890.052397][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2890.052458][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2890.055465][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.060499][ T8552] do_recvmmsg+0xd77/0x2120 [ 2890.065242][ T8525] [ 2890.070258][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2890.078644][ T8525] Uninit was stored to memory at: [ 2890.083499][ T8552] ? 0xffffffff81000000 [ 2890.083541][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2890.093748][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.096880][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2890.099798][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2890.104472][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2890.104550][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.108689][ T8525] do_recvmmsg+0xd77/0x2120 [ 2890.114398][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2890.114475][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.118958][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2890.124064][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2890.124137][ T8552] do_fast_syscall_32+0x34/0x70 [ 2890.129223][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.135013][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2890.135078][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.140096][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2890.144756][ T8552] RIP: 0023:0xf6f00549 [ 2890.144789][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2890.144837][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2890.149926][ T8525] do_fast_syscall_32+0x34/0x70 [ 2890.155718][ T8552] ORIG_RAX: 0000000000000151 [ 2890.155737][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2890.155770][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2890.155801][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2890.160284][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2890.166767][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2890.166798][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2890.166842][ T8552] [ 2890.166999][ T8552] Uninit was stored to memory at: [ 2890.172015][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.178315][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.184379][ T8525] [ 2890.184401][ T8525] Uninit was stored to memory at: [ 2890.184478][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.189525][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2890.194611][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2890.200424][ T8552] do_recvmmsg+0xd77/0x2120 [ 2890.205344][ T8525] do_recvmmsg+0xd77/0x2120 [ 2890.210378][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2890.215549][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2890.220057][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.225054][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.229909][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2890.236304][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2890.240814][ T8552] do_fast_syscall_32+0x34/0x70 [ 2890.243207][ T8525] do_fast_syscall_32+0x34/0x70 [ 2890.248303][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2890.253722][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2890.257891][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.263069][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.268199][ T8552] [ 2890.268210][ T8552] Uninit was stored to memory at: [ 2890.273387][ T8525] [ 2890.273397][ T8525] Uninit was stored to memory at: [ 2890.273474][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.278386][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.284631][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2890.291132][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2890.295698][ T8525] do_recvmmsg+0xd77/0x2120 [ 2890.300382][ T8552] do_recvmmsg+0xd77/0x2120 [ 2890.306807][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2890.311499][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2890.316627][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.321490][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.327920][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2890.332507][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2890.338818][ T8525] do_fast_syscall_32+0x34/0x70 [ 2890.343932][ T8552] do_fast_syscall_32+0x34/0x70 [ 2890.347970][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2890.367676][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2890.373787][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.378628][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.383435][ T8525] [ 2890.391394][ T8552] [ 2890.391408][ T8552] Uninit was stored to memory at: [ 2890.391489][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.399484][ T8525] Uninit was stored to memory at: [ 2890.399565][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.407560][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2890.412102][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2890.420065][ T8552] do_recvmmsg+0xd77/0x2120 [ 2890.428107][ T8525] do_recvmmsg+0xd77/0x2120 [ 2890.431149][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2890.436234][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2890.442645][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.447736][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:27 [ 2890.450052][ T8552] __do_fast_syscall_32+0x96/0xf0 syzkaller daemon[ 2890.455137][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2890.460250][ T8552] do_fast_syscall_32+0x34/0x70 .err dhcpcd[3049[ 2890.465245][ T8525] do_fast_syscall_32+0x34/0x70 [ 2890.470189][ T8552] do_SYSENTER_32+0x1b/0x20 ]: ps_sendpsmmsg[ 2890.474751][ T8525] do_SYSENTER_32+0x1b/0x20 : Connection ref[ 2890.479257][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c used [ 2890.483991][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.488654][ T8552] [ 2890.488663][ T8552] Uninit was stored to memory at: [ 2890.495127][ T8525] [ 2890.495136][ T8525] Uninit was stored to memory at: [ 2890.495210][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.501523][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.506566][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2890.511617][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2890.516529][ T8525] do_recvmmsg+0xd77/0x2120 [ 2890.521378][ T8552] do_recvmmsg+0xd77/0x2120 [ 2890.525939][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2890.530464][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2890.536850][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.543346][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.545659][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2890.550663][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2890.553055][ T8525] do_fast_syscall_32+0x34/0x70 [ 2890.558084][ T8552] do_fast_syscall_32+0x34/0x70 [ 2890.563253][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2890.568367][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2890.573362][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.578304][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.582865][ T8525] [ 2890.582874][ T8525] Uninit was stored to memory at: [ 2890.582947][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.587370][ T8552] [ 2890.587378][ T8552] Uninit was stored to memory at: [ 2890.592103][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2890.596842][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2890.603163][ T8525] do_recvmmsg+0xd77/0x2120 [ 2890.603222][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2890.603278][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.609605][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2890.614693][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2890.619718][ T8552] do_recvmmsg+0xd77/0x2120 [ 2890.624631][ T8525] do_fast_syscall_32+0x34/0x70 [ 2890.629488][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2890.634050][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2890.638539][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2890.644928][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.651261][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2890.653650][ T8525] [ 2890.653661][ T8525] Local variable msg_sys created at: [ 2890.655962][ T8552] do_fast_syscall_32+0x34/0x70 [ 2890.660966][ T8525] do_recvmmsg+0xbb/0x2120 [ 2890.666161][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2890.671145][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2890.676335][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2890.763195][ T2821] EXT4-fs error: 15 callbacks suppressed [ 2890.763264][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2890.766415][ T8552] [ 2891.018488][ T8552] Uninit was stored to memory at: [ 2891.018570][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.028798][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.033890][ T8552] do_recvmmsg+0xd77/0x2120 [ 2891.038446][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.043297][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.049672][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.054861][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.059760][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:27 [ 2891.064429][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c syzkaller user.e[ 2891.072169][ T8552] rr kernel: [ 279[ 2891.075860][ T8552] Uninit was stored to memory at: 1.972324][ T8377[ 2891.082434][ T8552] __get_compat_msghdr+0x6e1/0x9d0 ] Uninit was sto[ 2891.088823][ T8552] get_compat_msghdr+0x108/0x2c0 red to memory at[ 2891.095238][ T8552] do_recvmmsg+0xd77/0x2120 : [ 2891.101001][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.106029][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.112500][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.117581][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.122599][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2891.123018][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2891.127148][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.144407][ T8552] [ 2891.146739][ T8552] Local variable msg_sys created at: [ 2891.152118][ T8552] do_recvmmsg+0xbb/0x2120 [ 2891.156581][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.177398][ T8552] not chained 2720000 origins [ 2891.182230][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2891.190629][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2891.190658][ T8552] Call Trace: [ 2891.190672][ T8552] [ 2891.190688][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2891.190762][ T8552] dump_stack+0x25/0x28 [ 2891.215799][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2891.221589][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2891.226770][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:27 [ 2891.232053][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 syzkaller daemon[ 2891.239219][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2891.245618][ T8552] ? kmsan_get_metadata+0x33/0x220 .err dhcpcd[3049[ 2891.250799][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 ]: ps_root_recvm[ 2891.257970][ T8552] ? should_fail+0x75/0x9c0 sgcb: failed to [ 2891.263848][ T8552] ? kmsan_get_metadata+0x33/0x220 send message to [ 2891.270325][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 pid 8555: Connec[ 2891.276230][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2891.277943][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 tion refused [ 2891.278024][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2891.278092][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2891.278162][ T8552] __msan_chain_origin+0xbf/0x140 [ 2891.313212][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.313298][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.323362][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:27 [ 2891.328278][ T8552] do_recvmmsg+0xd77/0x2120 [ 2891.334188][ T8552] ? xfd_validate_state+0xd1/0x2d0 syzkaller user.w[ 2891.339538][ T8552] ? 0xffffffff81000000 arn kernel: [ 27[ 2891.345038][ T8552] ? __stack_depot_save+0x21/0x4d0 91.977410][ T837[ 2891.351580][ T8552] ? kmsan_get_metadata+0x33/0x220 7] __get_compat[ 2891.358065][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 _msghdr+0x6e1/0x[ 2891.365685][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 9d0 [ 2891.373552][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.378650][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.382854][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2891.385036][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.400748][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.405658][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2891.410228][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.416667][ T8552] RIP: 0023:0xf6f00549 [ 2891.416705][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2891.416751][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 May 18 04:07:27 [ 2891.448957][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2891.458329][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2891.466426][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2891.474436][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 syzkaller daemon[ 2891.482449][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2891.491815][ T8552] .err dhcpcd[3049]: ps_sendpsmmsg: Connection ref[ 2891.498271][ T8552] Uninit was stored to memory at: used [ 2891.504577][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.509659][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.514772][ T8552] do_recvmmsg+0xd77/0x2120 [ 2891.519319][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.524160][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.530562][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.535776][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.540681][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2891.540743][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.540810][ T8552] [ 2891.540818][ T8552] Uninit was stored to memory at: [ 2891.540891][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.564452][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.566323][ T8525] not chained 2730000 origins [ 2891.569436][ T8552] do_recvmmsg+0xd77/0x2120 [ 2891.574299][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2891.578717][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.587026][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2891.587057][ T8525] Call Trace: [ 2891.587072][ T8525] [ 2891.587089][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2891.587163][ T8525] dump_stack+0x25/0x28 [ 2891.591916][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.601879][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2891.601955][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2891.605266][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.608193][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2891.612963][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.616990][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2891.623399][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2891.629008][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2891.634196][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.639278][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2891.644485][ T8552] [ 2891.649218][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2891.655113][ T8552] Uninit was stored to memory at: [ 2891.659499][ T8525] ? should_fail+0x75/0x9c0 [ 2891.664664][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.670813][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2891.676039][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.678235][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2891.684143][ T8552] do_recvmmsg+0xd77/0x2120 [ 2891.689040][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2891.693606][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.698623][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2891.703822][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.708634][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2891.714968][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.719354][ T8525] __msan_chain_origin+0xbf/0x140 [ 2891.725518][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.730081][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.735272][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2891.741588][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2891.747499][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.752409][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2891.752479][ T8525] do_recvmmsg+0xd77/0x2120 [ 2891.757592][ T8552] [ 2891.757601][ T8552] Uninit was stored to memory at: [ 2891.762433][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2891.762517][ T8525] ? 0xffffffff81000000 [ 2891.762558][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2891.767687][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.772113][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2891.772181][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2891.777129][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.783446][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.783514][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2891.788387][ T8552] do_recvmmsg+0xd77/0x2120 [ 2891.792887][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.792967][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2891.795284][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.800295][ T8525] do_fast_syscall_32+0x34/0x70 [ 2891.806443][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.810475][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2891.815667][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.820667][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.825856][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.831979][ T8525] RIP: 0023:0xf6e9f549 [ 2891.832013][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2891.832061][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2891.836974][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2891.843454][ T8525] ORIG_RAX: 0000000000000151 [ 2891.843472][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2891.843506][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2891.843537][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2891.843566][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2891.848216][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.852700][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2891.852745][ T8525] [ 2891.855645][ T8525] Uninit was stored to memory at: [ 2891.859105][ T8552] [ 2891.859113][ T8552] Uninit was stored to memory at: [ 2891.859189][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.864468][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.868875][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.873790][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2891.880185][ T8552] do_recvmmsg+0xd77/0x2120 [ 2891.884750][ T8525] do_recvmmsg+0xd77/0x2120 [ 2891.889778][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2891.896171][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2891.901459][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.905641][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2891.925353][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2891.931387][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2891.935971][ T8552] do_fast_syscall_32+0x34/0x70 [ 2891.940611][ T8525] do_fast_syscall_32+0x34/0x70 [ 2891.948671][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2891.956686][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2891.964763][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.972803][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2891.979121][ T8552] [ 2891.979131][ T8552] Uninit was stored to memory at: [ 2891.979207][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.987236][ T8525] [ 2891.990214][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2891.995300][ T8525] Uninit was stored to memory at: [ 2891.995375][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2891.997640][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.002729][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.007830][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.013009][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.017947][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.022948][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.027458][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.032018][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.036697][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.041356][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.047761][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.054129][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.059157][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.064238][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.069094][ T8552] [ 2892.069103][ T8552] Uninit was stored to memory at: [ 2892.074005][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.078554][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.083050][ T8525] [ 2892.083059][ T8525] Uninit was stored to memory at: [ 2892.083128][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.089382][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.095770][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.098104][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.103181][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.108274][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.110588][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.115605][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.120588][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.125780][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.130244][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.135263][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.139898][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.144492][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.150783][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.155542][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.160531][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.166942][ T8552] [ 2892.171825][ T8525] [ 2892.171833][ T8525] Uninit was stored to memory at: [ 2892.171907][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.176836][ T8552] Local variable msg_sys created at: [ 2892.176852][ T8552] do_recvmmsg+0xbb/0x2120 [ 2892.181321][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.186256][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.192616][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.223275][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2892.361307][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.366135][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.372588][ T8525] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:27 [ 2892.377665][ T8525] do_fast_syscall_32+0x34/0x70 syzkaller user.w[ 2892.384203][ T8525] do_SYSENTER_32+0x1b/0x20 arn kernel: [ 27[ 2892.390083][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 91.982645][ T837[ 2892.397883][ T8525] 7] get_compat_m[ 2892.401596][ T8525] Uninit was stored to memory at: sghdr+0x108/0x2c[ 2892.408178][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.413642][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 0 [ 2892.414528][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.430410][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.435063][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.439790][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.446264][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.451438][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.456481][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.461068][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.461141][ T8525] [ 2892.461149][ T8525] Uninit was stored to memory at: [ 2892.461225][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.461272][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.461319][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.461376][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.461437][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.461493][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.461553][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.461614][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.461672][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.461735][ T8525] [ 2892.461744][ T8525] Uninit was stored to memory at: [ 2892.461901][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.461949][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.461996][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.462050][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.462106][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.462163][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.462224][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.462284][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.462341][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.462408][ T8525] [ 2892.462417][ T8525] Local variable msg_sys created at: [ 2892.462440][ T8525] do_recvmmsg+0xbb/0x2120 [ 2892.462494][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.568352][ T8552] not chained 2740000 origins [ 2892.568380][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2892.568430][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2892.568456][ T8552] Call Trace: [ 2892.568472][ T8552] [ 2892.568487][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2892.568563][ T8552] dump_stack+0x25/0x28 [ 2892.568622][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2892.568692][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.568759][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:27 [ 2892.568824][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.568898][ T8552] ? preempt_count_sub+0xf8/0x330 syzkaller daemon[ 2892.568953][ T8552] ? kmsan_get_metadata+0x33/0x220 .err dhcpcd[3049]: ps_root_recvm[ 2892.569019][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.569099][ T8552] ? should_fail+0x75/0x9c0 sgcb: failed to send message to [ 2892.569146][ T8552] ? kmsan_get_metadata+0x33/0x220 pid 8556: Connec[ 2892.569210][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 tion refused [ 2892.569280][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2892.569350][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.569416][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.569486][ T8552] __msan_chain_origin+0xbf/0x140 [ 2892.569551][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.569625][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.569682][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2892.569748][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.569815][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2892.569882][ T8552] ? 0xffffffff81000000 [ 2892.569927][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2892.569992][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.570056][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2892.570130][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.570195][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.570271][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.570342][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.570412][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.570478][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.570541][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.570612][ T8552] RIP: 0023:0xf6f00549 [ 2892.570644][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2892.570691][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2892.570738][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2892.570771][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2892.570802][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2892.570831][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2892.570860][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2892.570908][ T8552] [ 2892.570923][ T8552] Uninit was stored to memory at: [ 2892.570994][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.571044][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.571091][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.571148][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.571206][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.571263][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.571335][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.571395][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.571455][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.571522][ T8552] [ 2892.571530][ T8552] Uninit was stored to memory at: [ 2892.571599][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.571648][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.571696][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.572499][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.572562][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.572618][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.572680][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.572739][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.572796][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.572864][ T8552] [ 2892.572873][ T8552] Uninit was stored to memory at: [ 2892.572947][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.572996][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.573044][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.573097][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.573154][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.573211][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.573271][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.573331][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.573389][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.573454][ T8552] [ 2892.573462][ T8552] Uninit was stored to memory at: [ 2892.573529][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.573582][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.573630][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.573686][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.573740][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.573798][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.573859][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.573923][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.573982][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.574047][ T8552] [ 2892.574055][ T8552] Uninit was stored to memory at: [ 2892.574124][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.574172][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.574217][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.574274][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.574330][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.574385][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.574448][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.574507][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.574565][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.574632][ T8552] [ 2892.574639][ T8552] Uninit was stored to memory at: [ 2892.574705][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.574754][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.574801][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.574855][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.574920][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.574977][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.575037][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.575097][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.575154][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.575220][ T8552] [ 2892.575228][ T8552] Uninit was stored to memory at: [ 2892.575295][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.575342][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.575390][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.575508][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.575564][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.575624][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.575686][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.575745][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.575803][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.575870][ T8552] [ 2892.575880][ T8552] Local variable msg_sys created at: [ 2892.575895][ T8552] do_recvmmsg+0xbb/0x2120 [ 2892.575949][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.732109][ T8525] not chained 2750000 origins [ 2892.732137][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2892.732186][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2892.732212][ T8525] Call Trace: [ 2892.732227][ T8525] [ 2892.732243][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2892.732319][ T8525] dump_stack+0x25/0x28 [ 2892.732377][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2892.732448][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2892.732515][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2892.732580][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.732659][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2892.732707][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2892.732772][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.732846][ T8525] ? should_fail+0x75/0x9c0 [ 2892.732892][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2892.732957][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2892.733028][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2892.733099][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2892.733164][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.733233][ T8525] __msan_chain_origin+0xbf/0x140 [ 2892.733298][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.733370][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.733428][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2892.733495][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.733560][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2892.733646][ T8525] ? 0xffffffff81000000 [ 2892.733687][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2892.733751][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2892.733816][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2892.733890][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.733955][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.734029][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.734100][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.734169][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.734235][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.734297][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.734369][ T8525] RIP: 0023:0xf6e9f549 [ 2892.734400][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2892.734447][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2892.734493][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2892.734527][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2892.734558][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2892.734593][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2892.734623][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2892.734665][ T8525] [ 2892.734679][ T8525] Uninit was stored to memory at: [ 2892.734751][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.734800][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.734849][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.734905][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.734963][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.735020][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.735082][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.735142][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.735200][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.735266][ T8525] [ 2892.735273][ T8525] Uninit was stored to memory at: [ 2892.735341][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.735390][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.735438][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.735495][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.735552][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.735614][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.735676][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.735736][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.735796][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.735862][ T8525] [ 2892.735870][ T8525] Uninit was stored to memory at: [ 2892.735938][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.735988][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.736036][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.736092][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.736149][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.736205][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.736267][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.736327][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.736386][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.736454][ T8525] [ 2892.736461][ T8525] Uninit was stored to memory at: [ 2892.736530][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.736579][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.736631][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.736687][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.736745][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.736803][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.736864][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.736925][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.736984][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.737051][ T8525] [ 2892.737058][ T8525] Uninit was stored to memory at: [ 2892.737127][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.737176][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.737224][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.737280][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.737337][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.737394][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.737456][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.737516][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.737575][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.737646][ T8525] [ 2892.737654][ T8525] Uninit was stored to memory at: [ 2892.737723][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.737772][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.737820][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.737876][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.737934][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.737991][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.738053][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.738114][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.738173][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.738240][ T8525] [ 2892.738248][ T8525] Uninit was stored to memory at: [ 2892.738317][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.738365][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2892.738412][ T8525] do_recvmmsg+0xd77/0x2120 [ 2892.738468][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.738524][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.738586][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2892.738648][ T8525] do_fast_syscall_32+0x34/0x70 [ 2892.738708][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2892.738767][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.738834][ T8525] [ 2892.738843][ T8525] Local variable msg_sys created at: [ 2892.738857][ T8525] do_recvmmsg+0xbb/0x2120 [ 2892.738911][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2892.916774][ T8552] not chained 2760000 origins [ 2892.916801][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2892.916851][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2892.916877][ T8552] Call Trace: [ 2892.916891][ T8552] [ 2892.916907][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2892.916984][ T8552] dump_stack+0x25/0x28 [ 2892.917042][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2892.917118][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.917186][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.917251][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.917325][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2892.917373][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.917438][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.917512][ T8552] ? should_fail+0x75/0x9c0 [ 2892.917559][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.917624][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2892.917694][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2892.917765][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.917830][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2892.917900][ T8552] __msan_chain_origin+0xbf/0x140 [ 2892.917965][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.918038][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.918101][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2892.918168][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.918233][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2892.918302][ T8552] ? 0xffffffff81000000 [ 2892.918342][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2892.918406][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2892.918472][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2892.918546][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.918611][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.918686][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.918758][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.918827][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.918893][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.918956][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.919026][ T8552] RIP: 0023:0xf6f00549 [ 2892.919059][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2892.919110][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2892.919156][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2892.919190][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2892.919221][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2892.919249][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2892.919279][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2892.919321][ T8552] [ 2892.919336][ T8552] Uninit was stored to memory at: [ 2892.919406][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.919456][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.919504][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.919561][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.919618][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.919676][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.919738][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.919799][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.919858][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.919925][ T8552] [ 2892.919932][ T8552] Uninit was stored to memory at: [ 2892.920002][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.920051][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.920105][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.920161][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.920219][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.920276][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.920338][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.920399][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.920458][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.920525][ T8552] [ 2892.920533][ T8552] Uninit was stored to memory at: [ 2892.920602][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.920652][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.920699][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.920755][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.920813][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.920870][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.920933][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.920993][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.921053][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.921126][ T8552] [ 2892.921134][ T8552] Uninit was stored to memory at: [ 2892.921203][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.921253][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.921301][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.921357][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.921414][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2892.921472][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2892.921533][ T8552] do_fast_syscall_32+0x34/0x70 [ 2892.921594][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2892.921653][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2892.921720][ T8552] [ 2892.921728][ T8552] Uninit was stored to memory at: [ 2892.922160][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2892.987619][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2892.989475][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2892.989535][ T8552] do_recvmmsg+0xd77/0x2120 [ 2892.989595][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2892.989653][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.209709][ T8525] not chained 2770000 origins [ 2893.213465][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2893.213538][ T8552] do_fast_syscall_32+0x34/0x70 [ 2893.213597][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2893.213652][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2893.213717][ T8552] [ 2893.213725][ T8552] Uninit was stored to memory at: [ 2893.213796][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2893.213843][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2893.213889][ T8552] do_recvmmsg+0xd77/0x2120 [ 2893.213945][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2893.214002][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.214059][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2893.214125][ T8552] do_fast_syscall_32+0x34/0x70 [ 2893.214185][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2893.218688][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2893.225113][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2893.227393][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2893.232483][ T8552] [ 2893.237505][ T8525] Call Trace: [ 2893.237520][ T8525] [ 2893.242519][ T8552] Uninit was stored to memory at: [ 2893.246908][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2893.251639][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2893.257902][ T8525] dump_stack+0x25/0x28 [ 2893.257962][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2893.263089][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2893.267857][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2893.272436][ T8552] do_recvmmsg+0xd77/0x2120 [ 2893.278648][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2893.280961][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2893.285970][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2893.286045][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2893.286094][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2893.291167][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.296104][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2893.296179][ T8525] ? should_fail+0x75/0x9c0 [ 2893.300686][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2893.305345][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2893.305412][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2893.311836][ T8552] do_fast_syscall_32+0x34/0x70 [ 2893.316766][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2893.321596][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2893.326088][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2893.326155][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2893.332573][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2893.334814][ T8525] __msan_chain_origin+0xbf/0x140 [ 2893.339814][ T8552] [ 2893.339824][ T8552] Local variable msg_sys created at: [ 2893.344910][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2893.344985][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2893.349924][ T8552] do_recvmmsg+0xbb/0x2120 [ 2893.354418][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2893.354484][ T8525] do_recvmmsg+0xd77/0x2120 [ 2893.359170][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2893.365487][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2893.365571][ T8525] ? 0xffffffff81000000 [ 2893.766848][ T8552] not chained 2780000 origins [ 2893.784451][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2893.784534][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2893.784602][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2893.784677][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.784744][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2893.784820][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.784887][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2893.784955][ T8525] do_fast_syscall_32+0x34/0x70 [ 2893.785017][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2893.785078][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2893.785150][ T8525] RIP: 0023:0xf6e9f549 [ 2893.785180][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2893.785226][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2893.785270][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2893.785303][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2893.785331][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2893.785359][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2893.785387][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2893.785428][ T8525] [ 2893.785548][ T8525] Uninit was stored to memory at: [ 2893.785615][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2893.785664][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2893.785709][ T8525] do_recvmmsg+0xd77/0x2120 [ 2893.785764][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2893.785821][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.785877][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2893.785935][ T8525] do_fast_syscall_32+0x34/0x70 [ 2893.785992][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2893.786050][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2893.796490][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2893.802576][ T8525] [ 2893.810459][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2893.818504][ T8525] Uninit was stored to memory at: [ 2893.826378][ T8552] Call Trace: [ 2893.826393][ T8552] [ 2893.826409][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2893.826483][ T8552] dump_stack+0x25/0x28 [ 2893.834564][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2893.837430][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2893.842538][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2893.847552][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2893.852547][ T8525] do_recvmmsg+0xd77/0x2120 [ 2893.857040][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2893.861693][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2893.868001][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2893.873077][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.877843][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2893.882393][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2893.888627][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2893.890937][ T8525] do_fast_syscall_32+0x34/0x70 [ 2893.895946][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2893.896026][ T8552] ? should_fail+0x75/0x9c0 [ 2893.901115][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2893.906035][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2893.906102][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2893.910618][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2893.915279][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2893.915352][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2893.921658][ T8525] [ 2893.921668][ T8525] Uninit was stored to memory at: [ 2893.926665][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2893.926737][ T8552] __msan_chain_origin+0xbf/0x140 [ 2893.931631][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2893.936060][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2893.936134][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2893.942521][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2893.944764][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2893.949760][ T8525] do_recvmmsg+0xd77/0x2120 [ 2893.954856][ T8552] do_recvmmsg+0xd77/0x2120 [ 2893.954924][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2893.959844][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2893.964343][ T8552] ? 0xffffffff81000000 [ 2893.964397][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2893.969070][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.975378][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2893.975444][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2893.980459][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2893.985296][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.985363][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2893.989904][ T8525] do_fast_syscall_32+0x34/0x70 [ 2893.996174][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2893.996246][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2893.998549][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2894.003560][ T8552] do_fast_syscall_32+0x34/0x70 [ 2894.003627][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2894.008720][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.013638][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.013709][ T8552] RIP: 0023:0xf6f00549 [ 2894.018197][ T8525] [ 2894.018206][ T8525] Uninit was stored to memory at: [ 2894.022862][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2894.022910][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2894.029306][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.034249][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2894.034284][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2894.034315][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2894.034343][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2894.039163][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2894.043644][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2894.043690][ T8552] [ 2894.048550][ T8552] Uninit was stored to memory at: [ 2894.050026][ T8525] do_recvmmsg+0xd77/0x2120 [ 2894.052805][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.057441][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2894.062640][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2894.067535][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.072119][ T8552] do_recvmmsg+0xd77/0x2120 [ 2894.076753][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2894.083155][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2894.088142][ T8525] do_fast_syscall_32+0x34/0x70 [ 2894.093090][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.097555][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2894.103961][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2894.106256][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.111260][ T8552] do_fast_syscall_32+0x34/0x70 [ 2894.116431][ T8525] [ 2894.116441][ T8525] Uninit was stored to memory at: [ 2894.116519][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.121373][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2894.125938][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2894.130624][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.137007][ T8525] do_recvmmsg+0xd77/0x2120 [ 2894.142133][ T8552] [ 2894.142141][ T8552] Uninit was stored to memory at: [ 2894.146964][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2894.151514][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.157839][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.160174][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2894.165255][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2894.170365][ T8552] do_recvmmsg+0xd77/0x2120 [ 2894.175356][ T8525] do_fast_syscall_32+0x34/0x70 [ 2894.179866][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2894.184606][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2894.190933][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.196017][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.200875][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2894.205435][ T8525] [ 2894.205445][ T8525] Uninit was stored to memory at: [ 2894.205522][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.211842][ T8552] do_fast_syscall_32+0x34/0x70 [ 2894.214151][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2894.219419][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2894.223936][ T8525] do_recvmmsg+0xd77/0x2120 [ 2894.228607][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.233350][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2894.241682][ T8552] [ 2894.241692][ T8552] Uninit was stored to memory at: [ 2894.241880][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.251872][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.255104][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2894.258040][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2894.262799][ T8552] do_recvmmsg+0xd77/0x2120 [ 2894.266921][ T8525] do_fast_syscall_32+0x34/0x70 [ 2894.272724][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2894.277800][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2894.283015][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.288798][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.293917][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2894.298981][ T8525] [ 2894.298990][ T8525] Uninit was stored to memory at: [ 2894.299064][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.304867][ T8552] do_fast_syscall_32+0x34/0x70 [ 2894.309341][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2894.314538][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2894.320836][ T8525] do_recvmmsg+0xd77/0x2120 [ 2894.326988][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.332141][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2894.338019][ T8552] [ 2894.338028][ T8552] Uninit was stored to memory at: [ 2894.343099][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.348278][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.353218][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2894.358071][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2894.362636][ T8525] do_fast_syscall_32+0x34/0x70 [ 2894.367749][ T8552] do_recvmmsg+0xd77/0x2120 [ 2894.371962][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2894.377077][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2894.382246][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.388488][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.395072][ T8525] [ 2894.395083][ T8525] Local variable msg_sys created at: [ 2894.395098][ T8525] do_recvmmsg+0xbb/0x2120 [ 2894.399750][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2894.406163][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2894.411196][ T8552] do_fast_syscall_32+0x34/0x70 [ 2894.739369][ T8525] not chained 2790000 origins [ 2894.739861][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2894.744983][ T8525] CPU: 1 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 [ 2894.749265][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.753921][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2894.753948][ T8525] Call Trace: [ 2894.753963][ T8525] [ 2894.753980][ T8525] dump_stack_lvl+0x1ff/0x28e [ 2894.760312][ T8552] [ 2894.760321][ T8552] Uninit was stored to memory at: [ 2894.764981][ T8525] dump_stack+0x25/0x28 [ 2894.765042][ T8525] kmsan_internal_chain_origin+0x78/0x120 [ 2894.770148][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.774922][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2894.774991][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2894.779508][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2894.785820][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2894.785896][ T8525] ? preempt_count_sub+0xf8/0x330 [ 2894.788234][ T8552] do_recvmmsg+0xd77/0x2120 [ 2894.793239][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2894.793306][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2894.798410][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2894.803335][ T8525] ? should_fail+0x75/0x9c0 [ 2894.803384][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2894.803449][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2894.807915][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.812577][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2894.812651][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2894.818984][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2894.823991][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2894.824064][ T8525] __msan_chain_origin+0xbf/0x140 [ 2894.828924][ T8552] do_fast_syscall_32+0x34/0x70 [ 2894.833412][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.833486][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2894.841909][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2894.848128][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 [ 2894.858260][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.860481][ T8525] do_recvmmsg+0xd77/0x2120 [ 2894.863821][ T8552] [ 2894.866675][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2894.871671][ T8552] Uninit was stored to memory at: [ 2894.871744][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.876343][ T8525] ? 0xffffffff81000000 [ 2894.881420][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2894.885567][ T8525] ? __stack_depot_save+0x21/0x4d0 [ 2894.885634][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2894.891362][ T8552] do_recvmmsg+0xd77/0x2120 [ 2894.896284][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2894.896360][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.901470][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2894.905961][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2894.906037][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.911148][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2894.915820][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2894.915892][ T8525] do_fast_syscall_32+0x34/0x70 [ 2894.921701][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2894.926710][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2894.931898][ T8552] do_fast_syscall_32+0x34/0x70 [ 2894.938117][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.944002][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2894.948389][ T8525] RIP: 0023:0xf6e9f549 [ 2894.953493][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2894.958490][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2894.964806][ T8552] [ 2894.969538][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 [ 2894.975683][ T8552] Uninit was stored to memory at: [ 2894.980072][ T8525] ORIG_RAX: 0000000000000151 [ 2894.985326][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2894.990950][ T8525] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2894.997355][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2895.002264][ T8525] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2895.002295][ T8525] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2895.002324][ T8525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2895.002353][ T8525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2895.004658][ T8552] do_recvmmsg+0xd77/0x2120 [ 2895.009939][ T8525] [ 2895.015114][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2895.022337][ T8525] Uninit was stored to memory at: [ 2895.024447][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.029223][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.033724][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2895.033787][ T8552] do_fast_syscall_32+0x34/0x70 [ 2895.033845][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2895.033904][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.033970][ T8552] [ 2895.038616][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2895.044768][ T8552] Local variable msg_sys created at: [ 2895.048880][ T8525] do_recvmmsg+0xd77/0x2120 [ 2895.053619][ T8552] do_recvmmsg+0xbb/0x2120 [ 2895.058702][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2895.063895][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2895.070098][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.495228][ T8552] not chained 2800000 origins [ 2895.499509][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2895.506235][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2895.510938][ T8525] do_fast_syscall_32+0x34/0x70 [ 2895.515425][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2895.515496][ T8552] Call Trace: [ 2895.515523][ T8552] [ 2895.515541][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2895.520441][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2895.524947][ T8552] dump_stack+0x25/0x28 [ 2895.525010][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2895.531346][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.537659][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2895.537729][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2895.541877][ T8525] [ 2895.544114][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2895.549120][ T8525] Uninit was stored to memory at: [ 2895.549194][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.568723][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2895.568773][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2895.577293][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2895.582314][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2895.582392][ T8552] ? should_fail+0x75/0x9c0 [ 2895.582438][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2895.590379][ T8525] do_recvmmsg+0xd77/0x2120 [ 2895.598337][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2895.598409][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2895.606456][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2895.614341][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2895.614408][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2895.619331][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.627294][ T8552] __msan_chain_origin+0xbf/0x140 [ 2895.627361][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.630386][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2895.635413][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2895.635472][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2895.639959][ T8525] do_fast_syscall_32+0x34/0x70 [ 2895.645057][ T8552] do_recvmmsg+0xd77/0x2120 [ 2895.645125][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2895.649786][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2895.654723][ T8552] ? 0xffffffff81000000 [ 2895.654764][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2895.661086][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.665572][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2895.665639][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2895.670654][ T8525] [ 2895.670663][ T8525] Uninit was stored to memory at: [ 2895.675321][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.675389][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2895.680284][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.686551][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.686624][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2895.691097][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2895.696108][ T8552] do_fast_syscall_32+0x34/0x70 [ 2895.696175][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2895.702579][ T8525] do_recvmmsg+0xd77/0x2120 [ 2895.707342][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.709660][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2895.714664][ T8552] RIP: 0023:0xf6f00549 [ 2895.714698][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2895.714746][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 [ 2895.719829][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.724315][ T8552] ORIG_RAX: 0000000000000151 [ 2895.724332][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2895.724367][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2895.724411][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2895.729330][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2895.735646][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2895.735676][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2895.735720][ T8552] [ 2895.739326][ T8552] Uninit was stored to memory at: [ 2895.740206][ T8525] do_fast_syscall_32+0x34/0x70 [ 2895.743008][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.747617][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2895.752388][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2895.757453][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.763868][ T8552] do_recvmmsg+0xd77/0x2120 [ 2895.768762][ T8525] [ 2895.768771][ T8525] Uninit was stored to memory at: [ 2895.773873][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2895.778398][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.783267][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.787992][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2895.792593][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2895.798880][ T8525] do_recvmmsg+0xd77/0x2120 [ 2895.805294][ T8552] do_fast_syscall_32+0x34/0x70 [ 2895.810538][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2895.812940][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2895.817935][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.823136][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.827944][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2895.832982][ T8552] [ 2895.837442][ T8525] do_fast_syscall_32+0x34/0x70 [ 2895.842025][ T8552] Uninit was stored to memory at: [ 2895.848312][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2895.853133][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.855363][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.860370][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2895.865550][ T8525] [ 2895.865559][ T8525] Uninit was stored to memory at: [ 2895.865630][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.871963][ T8552] do_recvmmsg+0xd77/0x2120 [ 2895.876876][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2895.881986][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2895.886450][ T8525] do_recvmmsg+0xd77/0x2120 [ 2895.891289][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.896024][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2895.900526][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2895.906910][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.913411][ T8552] do_fast_syscall_32+0x34/0x70 [ 2895.918424][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2895.920738][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2895.925818][ T8525] do_fast_syscall_32+0x34/0x70 [ 2895.930932][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.935836][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2895.940775][ T8552] [ 2895.940783][ T8552] Uninit was stored to memory at: [ 2895.945334][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2895.949903][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.956224][ T8525] [ 2895.956233][ T8525] Uninit was stored to memory at: [ 2895.956303][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2895.960906][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2895.963295][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2895.968305][ T8552] do_recvmmsg+0xd77/0x2120 [ 2895.974689][ T8525] do_recvmmsg+0xd77/0x2120 [ 2895.979803][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2895.984884][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2895.989826][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.994732][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2895.999236][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2896.003800][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2896.008459][ T8552] do_fast_syscall_32+0x34/0x70 [ 2896.014842][ T8525] do_fast_syscall_32+0x34/0x70 [ 2896.021175][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2896.023563][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2896.028830][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2896.033304][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2896.038331][ T8552] [ 2896.038339][ T8552] Uninit was stored to memory at: [ 2896.043066][ T8525] [ 2896.043074][ T8525] Uninit was stored to memory at: [ 2896.043148][ T8525] __get_compat_msghdr+0x6e1/0x9d0 [ 2896.047984][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2896.052663][ T8525] get_compat_msghdr+0x108/0x2c0 [ 2896.057170][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2896.065553][ T8525] do_recvmmsg+0xd77/0x2120 [ 2896.071967][ T8552] do_recvmmsg+0xd77/0x2120 [ 2896.082078][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2896.085370][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2896.088290][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2896.093044][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2896.095336][ T8525] __do_fast_syscall_32+0x96/0xf0 [ 2896.100343][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2896.104559][ T8525] do_fast_syscall_32+0x34/0x70 [ 2896.110279][ T8552] do_fast_syscall_32+0x34/0x70 [ 2896.115452][ T8525] do_SYSENTER_32+0x1b/0x20 [ 2896.120570][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2896.125740][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2896.130677][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2896.136541][ T8525] [ 2896.136552][ T8525] Local variable msg_sys created at: [ 2896.136567][ T8525] do_recvmmsg+0xbb/0x2120 [ 2896.141581][ T8552] [ 2896.141589][ T8552] Uninit was stored to memory at: [ 2896.146144][ T8525] __sys_recvmmsg+0x51c/0x6f0 [ 2896.151326][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.410414][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.410479][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.410537][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.424857][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:27 [ 2897.431240][ T8552] __do_fast_syscall_32+0x96/0xf0 syzkaller user.w[ 2897.437769][ T8552] do_fast_syscall_32+0x34/0x70 arn kernel: [ 27[ 2897.444039][ T8552] do_SYSENTER_32+0x1b/0x20 91.987621][ T837[ 2897.450020][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 7] do_recvmmsg+[ 2897.457949][ T8552] 0xd77/0x2120 [ 2897.461526][ T8552] Uninit was stored to memory at: [ 2897.467934][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.471361][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2897.473166][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.473220][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.473279][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.473337][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.473401][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.510125][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.510195][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.510253][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.526140][ T8552] [ 2897.528473][ T8552] Uninit was stored to memory at: [ 2897.533641][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:27 [ 2897.538791][ T8552] get_compat_msghdr+0x108/0x2c0 syzkaller daemon[ 2897.545229][ T8552] do_recvmmsg+0xd77/0x2120 .err dhcpcd[3049[ 2897.551068][ T8552] __sys_recvmmsg+0x51c/0x6f0 ]: ps_sendpsmmsg[ 2897.557221][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 : Connection ref[ 2897.564995][ T8552] __do_fast_syscall_32+0x96/0xf0 used [ 2897.571286][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.576509][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2897.576751][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.592028][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.598420][ T8552] [ 2897.600752][ T8552] Local variable msg_sys created at: [ 2897.606133][ T8552] do_recvmmsg+0xbb/0x2120 [ 2897.606192][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:27 [ 2897.638626][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller user.warn kernel: [ 2791.992247][ T8377] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:27 [ 2897.693595][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8405: Connection refused May 18 04:07:28 [ 2897.723239][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller user.warn kernel: [ 2853.421357][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:29 [ 2897.744437][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:29 [ 2897.781554][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller user.warn kernel: [ 2853.421406][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:30 [ 2897.813674][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to [ 2897.830154][ T8552] not chained 2810000 origins send message to [ 2897.835789][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2897.845093][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2897.845122][ T8552] Call Trace: [ 2897.845136][ T8552] [ 2897.845152][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2897.845228][ T8552] dump_stack+0x25/0x28 [ 2897.870272][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2897.876054][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2897.881220][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2897.882127][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2897.886384][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2897.902892][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2897.907966][ T8552] ? kmsan_get_metadata+0x33/0x220 pid 8403: Connection refused May 18 04:07:30 syzkaller user.warn kernel: [ 2853.421463][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.913157][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2897.913237][ T8552] ? should_fail+0x75/0x9c0 [ 2897.913284][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2897.913350][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2897.913421][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2897.913492][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2897.913558][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2897.913628][ T8552] __msan_chain_origin+0xbf/0x140 [ 2897.913693][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.913767][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.913825][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2897.913892][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.913964][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2897.914033][ T8552] ? 0xffffffff81000000 [ 2897.914073][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2897.914138][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2897.914203][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2897.914278][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.914344][ T8552] __sys_recvmmsg+0x51c/0x6f0 04:07:37 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'aegis128-generic\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000200)="ad00"/16, 0x10) recvmmsg(r1, &(0x7f0000000fc0)=[{{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f00000005c0)=""/47, 0x2f}], 0x1}}], 0x1, 0x0, 0x0) sendmsg$netlink(r1, &(0x7f0000000600)={0x0, 0x0, 0x0}, 0xc095) recvmmsg(r1, &(0x7f0000002440), 0x3ffffffffffff67, 0x0, 0x0) [ 2897.914419][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 04:07:37 executing program 5: socketpair(0xb0ae64ed9176872c, 0x0, 0x0, &(0x7f0000000000)) 04:07:37 executing program 4: r0 = socket$inet6(0xa, 0x802, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @dev, 0x4}, 0x1c) write$binfmt_elf64(r0, &(0x7f0000000100)={{0x7f, 0x45, 0x4c, 0x46, 0x2, 0x7f, 0x4, 0x7, 0xffffffffffffffff, 0x3, 0x3e, 0x101, 0x16a, 0x40, 0x1e2, 0x5, 0x0, 0x38, 0x2, 0x593, 0x8001, 0x8}, [{0x7, 0x800, 0xffffffffffffff80, 0x7, 0x5, 0x7ff, 0x8}, {0x6, 0x4, 0x6, 0x6, 0x9, 0x7, 0x7f, 0x5}], "f5404696380f288b96a8e7add65515e599810dbc20221f190a0fb0306072f40fba8909388df1c19d14abc4b9508a86ef7d1bbacea9bad1f1cd716900dabf7a23f9051300eab0ecc508120b6d3d936048c6ac8750ec407dd8adece670af8da45b41a96769fc17c94f2c8f807a764a7d08f0255d303daada7a55651f16ca905ca88f35fa", ['\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00']}, 0x933) 04:07:37 executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) 04:07:37 executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) [ 2897.914492][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.914563][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.914630][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.914692][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.914764][ T8552] RIP: 0023:0xf6f00549 [ 2897.914796][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2897.914843][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2897.914889][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2897.914923][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2897.914957][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2897.914986][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2897.915015][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2897.915058][ T8552] [ 2897.917554][ T8552] Uninit was stored to memory at: [ 2897.917630][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.917681][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.917730][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.917788][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.917846][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.917903][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.917971][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.918031][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:30 [ 2897.918460][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c syzkaller daemon[ 2897.918527][ T8552] .err dhcpcd[3049[ 2897.918535][ T8552] Uninit was stored to memory at: ]: ps_sendpsmmsg[ 2897.918601][ T8552] __get_compat_msghdr+0x6e1/0x9d0 : Connection ref[ 2897.918648][ T8552] get_compat_msghdr+0x108/0x2c0 used [ 2897.918694][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.918749][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.918805][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.918862][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.918921][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.918987][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.919043][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.919107][ T8552] [ 2897.919114][ T8552] Uninit was stored to memory at: [ 2897.919180][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.919226][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.919273][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.919329][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.919384][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.919439][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.919660][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.919722][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.919781][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.919900][ T8552] [ 2897.919909][ T8552] Uninit was stored to memory at: [ 2897.919983][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.920031][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.920078][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.920133][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.920198][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.920256][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.920319][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.920377][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.920434][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.920501][ T8552] [ 2897.920509][ T8552] Uninit was stored to memory at: [ 2897.920595][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.920645][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.920693][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.920749][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.920804][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.920859][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.920919][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.921144][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.921203][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.921267][ T8552] [ 2897.921275][ T8552] Uninit was stored to memory at: [ 2897.921340][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.921388][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.921436][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.921493][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.921547][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.921603][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.921677][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.921734][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.921879][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.921952][ T8552] [ 2897.921960][ T8552] Uninit was stored to memory at: [ 2897.922029][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2897.922078][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2897.922127][ T8552] do_recvmmsg+0xd77/0x2120 [ 2897.922183][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.922239][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2897.922294][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2897.922352][ T8552] do_fast_syscall_32+0x34/0x70 [ 2897.922412][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2897.922632][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2897.922697][ T8552] [ 2897.922706][ T8552] Local variable msg_sys created at: [ 2897.922721][ T8552] do_recvmmsg+0xbb/0x2120 [ 2897.922772][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2897.927761][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2898.300991][ T24] kauditd_printk_skb: 4 callbacks suppressed [ 2898.301055][ T24] audit: type=1326 audit(2000002057.510:769): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8566 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2898.332698][ T24] audit: type=1326 audit(2000002057.550:770): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8566 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=65 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2898.873301][ T24] audit: type=1326 audit(2000002057.740:771): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8569 comm="syz-executor.3" exe="/root/syz-executor.3" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6ec9549 code=0x7ffc0000 May 18 04:07:30 [ 2898.896233][ T24] audit: type=1326 audit(2000002057.800:772): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8569 comm="syz-executor.3" exe="/root/syz-executor.3" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6ec9549 code=0x7ffc0000 syzkaller user.warn kernel: [ 2853.421520][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2898.993155][ T8552] not chained 2820000 origins [ 2898.997881][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2899.006257][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2899.016360][ T8552] Call Trace: [ 2899.019671][ T8552] [ 2899.022619][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2899.027367][ T8552] dump_stack+0x25/0x28 [ 2899.031581][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2899.037359][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2899.042535][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2899.047705][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2899.053579][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2899.058647][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2899.063817][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2899.069693][ T8552] ? should_fail+0x75/0x9c0 [ 2899.074240][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2899.079448][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2899.085761][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2899.091890][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2899.097062][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2899.102926][ T8552] __msan_chain_origin+0xbf/0x140 [ 2899.108008][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.113188][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.118174][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2899.123087][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.127647][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2899.132818][ T8552] ? 0xffffffff81000000 [ 2899.137004][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2899.142179][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2899.147347][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2899.153656][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.160216][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.164956][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.171344][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.176427][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.181329][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.185895][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.192279][ T8552] RIP: 0023:0xf6f00549 [ 2899.196631][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2899.216275][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2899.224720][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2899.232719][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2899.240710][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2899.248699][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2899.256689][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2899.264695][ T8552] [ 2899.270303][ T8552] Uninit was stored to memory at: [ 2899.275732][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.280895][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.285987][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.290552][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.295385][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.301885][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.306970][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.311971][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.316532][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.323089][ T8552] [ 2899.325424][ T8552] Uninit was stored to memory at: [ 2899.330525][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.335782][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.340780][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.345443][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.350178][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.356649][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.361736][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.366736][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.371299][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.377780][ T8552] [ 2899.380110][ T8552] Uninit was stored to memory at: [ 2899.385289][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.390455][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.395543][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.400110][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.404956][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.411340][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.416525][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.421434][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.426066][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.432606][ T8552] [ 2899.434946][ T8552] Uninit was stored to memory at: [ 2899.440035][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.445281][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.450266][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.454938][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.459674][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.466148][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.471239][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.476231][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.480874][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.487385][ T8552] [ 2899.489727][ T8552] Uninit was stored to memory at: [ 2899.494922][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.500078][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.505154][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.509714][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.514547][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.520924][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.526100][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.531006][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.535655][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.542134][ T8552] [ 2899.544477][ T8552] Uninit was stored to memory at: [ 2899.549586][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.554826][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.559812][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.564490][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.569226][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.575708][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.580785][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.585869][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.590433][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.596927][ T8552] [ 2899.599264][ T8552] Uninit was stored to memory at: [ 2899.604466][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2899.609626][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2899.614707][ T8552] do_recvmmsg+0xd77/0x2120 [ 2899.619257][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2899.624076][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2899.630455][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2899.635624][ T8552] do_fast_syscall_32+0x34/0x70 [ 2899.640526][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2899.645188][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2899.651582][ T8552] [ 2899.654015][ T8552] Local variable msg_sys created at: [ 2899.659306][ T8552] do_recvmmsg+0xbb/0x2120 [ 2899.663870][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:31 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8401: Connection refused May 18 04:07:31 syzkaller user.warn kernel: [ 2853.421578][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:32 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:36 syzkaller user.warn kernel: [ 2853.421640][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:36 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8404: Connection refused May 18 04:07:36 syzkaller user.warn kernel: [ 2853.421699][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:36 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsg: Invalid argument May 18 04:07:36 syzkaller user.warn kernel: [ 2853.422113][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:36 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:36 syzkaller user.err kernel: [ 2853.422183][ T8552] May 18 04:07:37 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8485: Connection refused May 18 04:07:37 syzkaller user.err kernel: [ 2853.422191][ T8552] Uninit was stored to memory at: May 18 04:07:37 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:38 syzkaller user.warn kernel: [ 2853.422262][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:38 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8480: Connection refused May 18 04:07:38 syzkaller user.warn kernel: [ 2853.422312][ T8552] get_compat_msghdr+0[ 2899.918570][ T24] audit: type=1326 audit(2000002058.170:773): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8566 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 x108/0x2c0 May 18 04:07:39 syzkaller daemon.err[ 2899.946070][ T24] audit: type=1326 audit(2000002058.170:774): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8566 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:39 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8494: Connection refused May 18 04:07:39 syzkaller user.warn kernel: [ 2853.422360][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:39 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:39 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8491: Connection refused May 18 04:07:39 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:39 syzkaller user.warn kernel: [ 2853.422417][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:39 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8521: Connection refused May 18 04:07:39 syzkaller user.warn kernel: [ 2853.422475][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:39 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:39 syzkaller user.warn kernel: [ 2853.422533][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:39 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8549: Connection refused May 18 04:07:39 syzkaller user.warn kernel: [ 2853.422595][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:39 syzkaller user.warn kernel: [ 2853.422663][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806525][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806583][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806651][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806716][ T8552] ? xfd_validate_state+0xd1/0x2d0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806785][ T8552] ? 0xffffffff81000000 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806825][ T8552] ? __stack_depot_save+0x21/0x4d0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806890][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.806956][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807035][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807100][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807175][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807245][ T8552] __do_fast_syscall_32+[ 2900.197076][ T8552] not chained 2830000 origins 0x96/0xf0 May 1[ 2900.202433][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2900.202492][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2900.202518][ T8552] Call Trace: [ 2900.202533][ T8552] 8 04:07:39 syzka[ 2900.202548][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2900.202624][ T8552] dump_stack+0x25/0x28 [ 2900.202682][ T8552] kmsan_internal_chain_origin+0x78/0x120 ller user.warn k[ 2900.244142][ T8552] ? kmsan_get_metadata+0x33/0x220 ernel: [ 2866.80[ 2900.250603][ T8552] ? kmsan_get_metadata+0x33/0x220 7315][ T8552] d[ 2900.257088][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2900.264339][ T8552] ? preempt_count_sub+0xf8/0x330 o_fast_syscall_3[ 2900.269421][ T8552] ? kmsan_get_metadata+0x33/0x220 2+0x34/0x70 May[ 2900.275880][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2900.283129][ T8552] ? should_fail+0x75/0x9c0 18 04:07:39 syz[ 2900.287673][ T8552] ? kmsan_get_metadata+0x33/0x220 kaller user.warn[ 2900.294132][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 kernel: [ 2866.[ 2900.301839][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 807381][ T8552] [ 2900.301926][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2900.301994][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2900.302064][ T8552] __msan_chain_origin+0xbf/0x140 [ 2900.302127][ T8552] __get_compat_msghdr+0x6e1/0x9d0 do_SYSENTER_32+[ 2900.332057][ T8552] get_compat_msghdr+0x108/0x2c0 0x1b/0x20 May 1[ 2900.338326][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2900.344543][ T8552] do_recvmmsg+0xd77/0x2120 8 04:07:39 syzka[ 2900.349105][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2900.355578][ T8552] ? 0xffffffff81000000 ller user.warn k[ 2900.359798][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2900.359874][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2900.359943][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 ernel: [ 2866.80[ 2900.360018][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 7445][ T8552] e[ 2900.385453][ T8552] __sys_recvmmsg+0x51c/0x6f0 ntry_SYSENTER_co[ 2900.392094][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 mpat_after_hwfra[ 2900.399846][ T8552] __do_fast_syscall_32+0x96/0xf0 me+0x4d/0x5c Ma[ 2900.406232][ T8552] do_fast_syscall_32+0x34/0x70 y 18 04:07:39 sy[ 2900.412512][ T8552] do_SYSENTER_32+0x1b/0x20 zkaller user.war[ 2900.418517][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2900.418600][ T8552] RIP: 0023:0xf6f00549 n kernel: [ 2866[ 2900.418634][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2900.418682][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2900.418727][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 .807517][ T8552][ 2900.418761][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2900.476983][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2900.484999][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2900.493013][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 RIP: 0023:0xf6f00549 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807549][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807596][ T8552] RSP: 002b:00000000f58d95cc[ 2900.501063][ T8552] EFLAGS: 00000296 ORIG_RAX: 0000000000000151 May 18 04:07:39 syzkaller user.war[ 2900.505582][ T8552] Uninit was stored to memory at: n kernel: [ 2866[ 2900.505664][ T8552] __get_compat_msghdr+0x6e1/0x9d0 .807643][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:07:39 syzkaller user.warn kernel: [ 2900.505717][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2866.807677][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18[ 2900.505765][ T8552] do_recvmmsg+0xd77/0x2120 04:07:39 syzkaller user.warn kernel: [ 2866.807707][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 00[ 2900.505822][ T8552] __sys_recvmmsg+0x51c/0x6f0 00000000000000 [ 2900.505878][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:39 [ 2900.505942][ T8552] __do_fast_syscall_32+0x96/0xf0 syzkaller user.w[ 2900.506006][ T8552] do_fast_syscall_32+0x34/0x70 arn kernel: [ 28[ 2900.506066][ T8552] do_SYSENTER_32+0x1b/0x20 66.807735][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807763][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807805][ T8552] May 18 04:07:39 syzkaller user.err kernel: [ 2866.80782[ 2900.506125][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 0][ T8552] Uninit was stored to memory at: May 18 04:07:39 syzkaller user.warn kernel: [ 2866.807890][ T8552] __get_compat_msghdr+0x6e1/0x9d0[ 2900.506195][ T8552] May 18 04:07:39[ 2900.506203][ T8552] Uninit was stored to memory at: syzkaller user.[ 2900.506273][ T8552] __get_compat_msghdr+0x6e1/0x9d0 warn kernel: [ 2[ 2900.506322][ T8552] get_compat_msghdr+0x108/0x2c0 866.807940][ T85[ 2900.506370][ T8552] do_recvmmsg+0xd77/0x2120 52] get_compat_[ 2900.506427][ T8552] __sys_recvmmsg+0x51c/0x6f0 msghdr+0x108/0x2[ 2900.506485][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 c0 May 18 04:07[ 2900.506543][ T8552] __do_fast_syscall_32+0x96/0xf0 :39 syzkaller user.warn kernel: [ 2866.807994][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.808051][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:39 syzkaller useM[ 2900.506603][ T8552] do_fast_syscall_32+0x34/0x70 ay 18 04:07:39 syzkaller user.warn kernel: [ 2866.808165][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.808227][ T8552] do_fast_s[ 2900.506662][ T8552] do_SYSENTER_32+0x1b/0x20 yscall_32+0x34/0[ 2900.506724][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c x70 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.808287][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:39 syzkaller user.warn kernel: [ 2866.808346][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:39 syzkaller user.err kernel: [ 2866.808413][ T8552] May 18 04:07:39 syzkaller user.err kernel: [ 2866.8084[ 2900.506792][ T8552] 21][ T8552] Unin[ 2900.506800][ T8552] Uninit was stored to memory at: it was stored to[ 2900.506866][ T8552] __get_compat_msghdr+0x6e1/0x9d0 memory at: May[ 2900.506913][ T8552] get_compat_msghdr+0x108/0x2c0 18 04:07:39 syz[ 2900.506966][ T8552] do_recvmmsg+0xd77/0x2120 kaller user.warn[ 2900.507021][ T8552] __sys_recvmmsg+0x51c/0x6f0 kernel: [ 2866.[ 2900.507079][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 808490][ T8552] __get_compat_mM[ 2900.507136][ T8552] __do_fast_syscall_32+0x96/0xf0 ay 18 04:07:39 s[ 2900.507194][ T8552] do_fast_syscall_32+0x34/0x70 yzkaller user.wM[ 2900.507253][ T8552] do_SYSENTER_32+0x1b/0x20 ay 18 04:07:39 s[ 2900.507310][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c yzkaller user.wM[ 2900.507373][ T8552] ay 18 04:07:39 M[ 2900.507380][ T8552] Uninit was stored to memory at: ay 18 04:07:39 s[ 2900.507449][ T8552] __get_compat_msghdr+0x6e1/0x9d0 yzkaller user.wM[ 2900.507498][ T8552] get_compat_msghdr+0x108/0x2c0 ay 18 04:07:39 M[ 2900.507546][ T8552] do_recvmmsg+0xd77/0x2120 ay 18 04:07:39 M[ 2900.507600][ T8552] __sys_recvmmsg+0x51c/0x6f0 ay 18 04:07:39 s[ 2900.507654][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 yzkaller user.wa[ 2900.507709][ T8552] __do_fast_syscall_32+0x96/0xf0 rn kernel: [ 28M[ 2900.507769][ T8552] do_fast_syscall_32+0x34/0x70 ay 18 04:07:39 M[ 2900.507830][ T8552] do_SYSENTER_32+0x1b/0x20 ay 18 04:07:39 M[ 2900.507890][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c ay 18 04:07:39 s[ 2900.507962][ T8552] yzkaller user.eM[ 2900.507970][ T8552] Uninit was stored to memory at: ay 18 04:07:39 M[ 2900.508039][ T8552] __get_compat_msghdr+0x6e1/0x9d0 ay 18 04:07:39 s[ 2900.508089][ T8552] get_compat_msghdr+0x108/0x2c0 yzkaller user.wM[ 2900.508139][ T8552] do_recvmmsg+0xd77/0x2120 ay 18 04:07:39 s[ 2900.508196][ T8552] __sys_recvmmsg+0x51c/0x6f0 yzkaller user.wM[ 2900.508254][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ay 18 04:07:39 M[ 2900.508312][ T8552] __do_fast_syscall_32+0x96/0xf0 ay 18 04:07:39 M[ 2900.508374][ T8552] do_fast_syscall_32+0x34/0x70 ay 18 04:07:39 s[ 2900.508434][ T8552] do_SYSENTER_32+0x1b/0x20 yzkaller user.wa[ 2900.508494][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c rn kernel: [ 28M[ 2900.508561][ T8552] ay 18 04:07:39 M[ 2900.508569][ T8552] Uninit was stored to memory at: ay 18 04:07:39 M[ 2900.508637][ T8552] __get_compat_msghdr+0x6e1/0x9d0 ay 18 04:07:39 s[ 2900.508682][ T8552] get_compat_msghdr+0x108/0x2c0 yzkaller user.wM[ 2900.508728][ T8552] do_recvmmsg+0xd77/0x2120 ay 18 04:07:39 M[ 2900.508783][ T8552] __sys_recvmmsg+0x51c/0x6f0 ay 18 04:07:39 s[ 2900.508837][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 yzkaller user.eM[ 2900.508889][ T8552] __do_fast_syscall_32+0x96/0xf0 ay 18 04:07:39 M[ 2900.508949][ T8552] do_fast_syscall_32+0x34/0x70 ay 18 04:07:39 s[ 2900.509003][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2900.509056][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c yzkaller user.cr[ 2900.509115][ T8552] [ 2900.509122][ T8552] Uninit was stored to memory at: it kernel: [ 28M[ 2900.509188][ T8552] __get_compat_msghdr+0x6e1/0x9d0 ay 18 04:07:39 s[ 2900.509237][ T8552] get_compat_msghdr+0x108/0x2c0 yzkaller user.wa[ 2900.509286][ T8552] do_recvmmsg+0xd77/0x2120 rn kernel: [ 286[ 2900.509342][ T8552] __sys_recvmmsg+0x51c/0x6f0 6.832096][ T8552[ 2900.509399][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ] get_compat_ms[ 2900.509455][ T8552] __do_fast_syscall_32+0x96/0xf0 ghdr+0x108/0x2c0[ 2900.509518][ T8552] do_fast_syscall_32+0x34/0x70 [ 2900.509581][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:3[ 2900.509641][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 9 syzkaller user[ 2900.509708][ T8552] .warn kernel: [ [ 2900.509717][ T8552] Local variable msg_sys created at: 2867.199177][ T8[ 2900.509732][ T8552] do_recvmmsg+0xbb/0x2120 525] not chained[ 2900.509786][ T8552] __sys_recvmmsg+0x51c/0x6f0 2410000 origins[ 2900.804865][ T8552] not chained 2840000 origins May 18 04:07:3[ 2901.170966][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 9 syzkaller user[ 2901.180768][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 .warn kernel: [ [ 2901.192198][ T8552] Call Trace: 2867.201230][ T8[ 2901.196865][ T8552] 552] do_recvmms[ 2901.201193][ T8552] dump_stack_lvl+0x1ff/0x28e g+0xd77/0x2120 [ 2901.207250][ T8552] dump_stack+0x25/0x28 May 18 04:07:39 [ 2901.212769][ T8552] kmsan_internal_chain_origin+0x78/0x120 syzkaller user.w[ 2901.219865][ T8552] ? kmsan_get_metadata+0x33/0x220 arn kernel: [ 28[ 2901.226346][ T8552] ? kmsan_get_metadata+0x33/0x220 67.204571][ T85M[ 2901.232829][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 ay 18 04:07:39 s[ 2901.240007][ T8552] ? preempt_count_sub+0xf8/0x330 yzkaller user.wa[ 2901.246390][ T8552] ? kmsan_get_metadata+0x33/0x220 rn kernel: [ 286[ 2901.252875][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 7.209349][ T855M[ 2901.260062][ T8552] ? should_fail+0x75/0x9c0 ay 18 04:07:39 s[ 2901.265943][ T8552] ? kmsan_get_metadata+0x33/0x220 yzkaller user.wM[ 2901.272426][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 ay 18 04:07:39 s[ 2901.280039][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 yzkaller user.wa[ 2901.287473][ T8552] ? kmsan_get_metadata+0x33/0x220 rn kernel: [ 286[ 2901.293951][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 7.214493][ T8525[ 2901.301132][ T8552] __msan_chain_origin+0xbf/0x140 ] Call Trace: M[ 2901.307536][ T8552] __get_compat_msghdr+0x6e1/0x9d0 ay 18 04:07:39 s[ 2901.314041][ T8552] get_compat_msghdr+0x108/0x2c0 yzkaller user.wa[ 2901.320341][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 rn kernel: [ 286[ 2901.326559][ T8552] do_recvmmsg+0xd77/0x2120 7.214509][ T8525[ 2901.332438][ T8552] ? xfd_validate_state+0xd1/0x2d0 ] May 1[ 2901.338921][ T8552] ? 0xffffffff81000000 8 04:07:39 syzka[ 2901.344439][ T8552] ? __stack_depot_save+0x21/0x4d0 ller user.warn k[ 2901.350925][ T8552] ? kmsan_get_metadata+0x33/0x220 ernel: [ 2867.2M[ 2901.357408][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 ay 18 04:07:39 s[ 2901.365019][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 yzkaller user.wM[ 2901.372880][ T8552] __sys_recvmmsg+0x51c/0x6f0 ay 18 04:07:39 M[ 2901.378938][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 ay 18 04:07:39 s[ 2901.386625][ T8552] __do_fast_syscall_32+0x96/0xf0 yzkaller user.wa[ 2901.393016][ T8552] do_fast_syscall_32+0x34/0x70 rn kernel: [ 286[ 2901.399232][ T8552] do_SYSENTER_32+0x1b/0x20 7.224010][ T8525[ 2901.405097][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c ] kmsan_interna[ 2901.412787][ T8552] RIP: 0023:0xf6f00549 l_chain_origin+0[ 2901.418223][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 x78/0x120 May 1[ 2901.439197][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2901.449015][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 8 04:07:39 syzka[ 2901.457039][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 ller user.warn k[ 2901.466371][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 ernel: [ 2867.22[ 2901.475722][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 4081][ T8525] ?[ 2901.485080][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2901.494446][ T8552] kmsan_get_metad[ 2901.497713][ T8552] Uninit was stored to memory at: ata+0x33/0x220 May 18 04:07:39 syzkaller user.warn kernel: [ 2867.228760][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07[ 2901.504081][ T8552] __get_compat_msghdr+0x6e1/0x9d0 :39 syzkaller us[ 2901.504135][ T8552] get_compat_msghdr+0x108/0x2c0 er.warn kernel: [ 2867.235074][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:39 syzkaller user.warn kernel: [ 2867.235143][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2901.504182][ T8552] do_recvmmsg+0xd77/0x2120 [ 2901.504239][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2901.504296][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2901.504352][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2901.504436][ T8552] do_fast_syscall_32+0x34/0x70 [ 2901.504496][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2901.504552][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2901.504621][ T8552] [ 2901.504629][ T8552] Uninit was stored to memory at: [ 2901.504696][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2901.504744][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2901.504792][ T8552] do_recvmmsg+0xd77/0x2120 [ 2901.504847][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2901.504903][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2901.504960][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2901.505019][ T8552] do_fast_syscall_32+0x34/0x70 [ 2901.505079][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2901.505137][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2901.505202][ T8552] [ 2901.505209][ T8552] Uninit was stored to memory at: [ 2901.505279][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2901.505326][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2901.505374][ T8552] do_recvmmsg+0xd77/0x2120 [ 2901.505440][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2901.505497][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2901.505554][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2901.505615][ T8552] do_fast_syscall_32+0x34/0x70 [ 2901.505673][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2901.505733][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2901.505797][ T8552] [ 2901.505805][ T8552] Uninit was stored to memory at: [ 2901.505873][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2901.505921][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2901.505968][ T8552] do_recvmmsg+0xd77/0x2120 [ 2901.506023][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2901.506080][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2901.506135][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2901.506195][ T8552] do_fast_syscall_32+0x34/0x70 [ 2901.506254][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2901.506310][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2901.506376][ T8552] [ 2901.506384][ T8552] Uninit was stored to memory at: [ 2901.506454][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:39 [ 2901.506502][ T8552] get_compat_msghdr+0x108/0x2c0 syzkaller user.w[ 2901.506550][ T8552] do_recvmmsg+0xd77/0x2120 arn kernel: [ 28[ 2901.506604][ T8552] __sys_recvmmsg+0x51c/0x6f0 67.240165][ T855[ 2901.506660][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 2] do_fast_sysc[ 2901.506717][ T8552] __do_fast_syscall_32+0x96/0xf0 all_32+0x34/0x70[ 2901.506780][ T8552] do_fast_syscall_32+0x34/0x70 [ 2901.506841][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2901.506899][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2901.506965][ T8552] [ 2901.506973][ T8552] Uninit was stored to memory at: [ 2901.507040][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2901.507087][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2901.507135][ T8552] do_recvmmsg+0xd77/0x2120 [ 2901.507190][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2901.507245][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2901.507302][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2901.507363][ T8552] do_fast_syscall_32+0x34/0x70 [ 2901.507427][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2901.507486][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2901.507550][ T8552] [ 2901.507558][ T8552] Uninit was stored to memory at: [ 2901.507626][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2901.507674][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2901.507719][ T8552] do_recvmmsg+0xd77/0x2120 [ 2901.507775][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2901.507832][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2901.507887][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2901.507949][ T8552] do_fast_syscall_32+0x34/0x70 [ 2901.508008][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2901.508065][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2901.508132][ T8552] [ 2901.508142][ T8552] Local variable msg_sys created at: [ 2901.508158][ T8552] do_recvmmsg+0xbb/0x2120 [ 2901.508213][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.010939][ T8552] not chained 2850000 origins [ 2902.010964][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2902.011013][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2902.011038][ T8552] Call Trace: [ 2902.011052][ T8552] [ 2902.011068][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2902.011141][ T8552] dump_stack+0x25/0x28 [ 2902.011196][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2902.011265][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.011329][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.011391][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2902.011463][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2902.011510][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.011572][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2902.011643][ T8552] ? should_fail+0x75/0x9c0 [ 2902.011688][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.011753][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2902.011825][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2902.011894][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.011962][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2902.012029][ T8552] __msan_chain_origin+0xbf/0x140 [ 2902.012092][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.012163][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.012218][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2902.012283][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.012346][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2902.012411][ T8552] ? 0xffffffff81000000 [ 2902.012451][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2902.012511][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.012574][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2902.012646][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.012708][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.012780][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.012848][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.012919][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.012983][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.013044][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.013113][ T8552] RIP: 0023:0xf6f00549 [ 2902.013144][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2902.013189][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2902.013234][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2902.013267][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2902.013296][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2902.013325][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2902.013352][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2902.013393][ T8552] [ 2902.013661][ T8552] Uninit was stored to memory at: [ 2902.013731][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.013779][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.013826][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.013880][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.013941][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.013997][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.014056][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.014114][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.014170][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.014234][ T8552] [ 2902.014242][ T8552] Uninit was stored to memory at: [ 2902.014308][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.014355][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.014401][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.014456][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.014511][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.014566][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.014626][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.014683][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.014740][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.014805][ T8552] [ 2902.014812][ T8552] Uninit was stored to memory at: [ 2902.014878][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.014931][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.014977][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.015031][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.015086][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.015141][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.015201][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.015259][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.015316][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.015380][ T8552] [ 2902.015388][ T8552] Uninit was stored to memory at: [ 2902.015454][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.015501][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.015547][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.015601][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.015656][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.015712][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.015771][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.015829][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.015886][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.015955][ T8552] [ 2902.015962][ T8552] Uninit was stored to memory at: [ 2902.016028][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.016075][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.016121][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.016175][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.016230][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.016286][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.016346][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.016404][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.016461][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.016525][ T8552] [ 2902.016533][ T8552] Uninit was stored to memory at: [ 2902.016599][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.016645][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.016692][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.016746][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.016800][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.016855][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.016918][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.016976][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.017032][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.017097][ T8552] [ 2902.017105][ T8552] Uninit was stored to memory at: [ 2902.017171][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2902.017218][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2902.017263][ T8552] do_recvmmsg+0xd77/0x2120 [ 2902.017318][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.017372][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2902.017428][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2902.017488][ T8552] do_fast_syscall_32+0x34/0x70 [ 2902.017545][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2902.017602][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2902.017666][ T8552] [ 2902.017674][ T8552] Local variable msg_sys created at: [ 2902.017689][ T8552] do_recvmmsg+0xbb/0x2120 [ 2902.017741][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2902.162937][T16595] device hsr_slave_0 left promiscuous mode [ 2902.173556][T16595] device hsr_slave_1 left promiscuous mode [ 2902.184062][T16595] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 2902.184267][T16595] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 2902.190014][T16595] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 2902.190196][T16595] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 2902.350184][ T8552] not chained 2860000 origins [ 2902.840603][ T3498] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 2902.843536][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2902.843587][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2902.843613][ T8552] Call Trace: [ 2902.843628][ T8552] [ 2902.843643][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2902.843718][ T8552] dump_stack+0x25/0x28 [ 2902.851140][ T3498] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 2902.855062][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2902.855136][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.855204][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.855269][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2902.861102][ T3498] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 2902.864603][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2902.864655][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.864723][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2902.864796][ T8552] ? should_fail+0x75/0x9c0 [ 2902.864843][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2902.874557][ T3498] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 2902.878771][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2902.894557][ T3498] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 2902.898096][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2902.912300][ T3498] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 2902.914297][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2903.233980][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2903.234062][ T8552] __msan_chain_origin+0xbf/0x140 [ 2903.234127][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.234201][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.234256][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:39 [ 2903.234322][ T8552] do_recvmmsg+0xd77/0x2120 syzkaller user.w[ 2903.234386][ T8552] ? xfd_validate_state+0xd1/0x2d0 arn kernel: [ 28[ 2903.234452][ T8552] ? 0xffffffff81000000 67.245004][ T852[ 2903.234492][ T8552] ? __stack_depot_save+0x21/0x4d0 5] ? kmsan_get_[ 2903.234555][ T8552] ? kmsan_get_metadata+0x33/0x220 shadow_origin_pt[ 2903.234625][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 r+0x9b/0xf0 [ 2903.234699][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.234763][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.234836][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.234904][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.234975][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.235039][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.235101][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.235171][ T8552] RIP: 0023:0xf6f00549 [ 2903.235202][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2903.235248][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2903.235294][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2903.235327][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2903.235357][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2903.235384][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2903.235413][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2903.235456][ T8552] [ 2903.235692][ T8552] Uninit was stored to memory at: [ 2903.235763][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.235813][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.235859][ T8552] do_recvmmsg+0xd77/0x2120 [ 2903.235916][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.235972][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.236027][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.236088][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.236148][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.236204][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.236271][ T8552] [ 2903.236279][ T8552] Uninit was stored to memory at: [ 2903.236345][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.236393][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.236441][ T8552] do_recvmmsg+0xd77/0x2120 [ 2903.236494][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.236551][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.236615][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.236674][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.236734][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.236792][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.236857][ T8552] [ 2903.236866][ T8552] Uninit was stored to memory at: [ 2903.236933][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.236980][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.237028][ T8552] do_recvmmsg+0xd77/0x2120 [ 2903.237083][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.237138][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.237195][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.237255][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.237313][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.237372][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.237437][ T8552] [ 2903.237445][ T8552] Uninit was stored to memory at: [ 2903.237512][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.237561][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.237612][ T8552] do_recvmmsg+0xd77/0x2120 [ 2903.237662][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.237712][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.237762][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.237817][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.237871][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.237929][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.237996][ T8552] [ 2903.238004][ T8552] Uninit was stored to memory at: [ 2903.238072][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.238120][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.238168][ T8552] do_recvmmsg+0xd77/0x2120 [ 2903.238224][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.238282][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.238339][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.238401][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.238462][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.238520][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.238592][ T8552] [ 2903.238599][ T8552] Uninit was stored to memory at: [ 2903.238668][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.238717][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.238764][ T8552] do_recvmmsg+0xd77/0x2120 [ 2903.238820][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.238877][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.238935][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.238996][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.239055][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.239111][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.239175][ T8552] [ 2903.239182][ T8552] Uninit was stored to memory at: [ 2903.239245][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2903.239291][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2903.239335][ T8552] do_recvmmsg+0xd77/0x2120 [ 2903.239388][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.239441][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2903.239496][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2903.239556][ T8552] do_fast_syscall_32+0x34/0x70 [ 2903.239620][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2903.239676][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2903.239740][ T8552] [ 2903.239749][ T8552] Local variable msg_sys created at: [ 2903.239764][ T8552] do_recvmmsg+0xbb/0x2120 [ 2903.239817][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2903.240825][T16595] device bridge_slave_1 left promiscuous mode [ 2903.241434][T16595] bridge0: port 2(bridge_slave_1) entered disabled state [ 2903.267535][T16595] device bridge_slave_0 left promiscuous mode [ 2903.295681][ T2821] EXT4-fs error: 120 callbacks suppressed [ 2903.295746][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2903.300345][T16595] bridge0: port 1(bridge_slave_0) entered disabled state [ 2903.529874][ T8552] not chained 2870000 origins [ 2903.878329][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2903.878381][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2903.878407][ T8552] Call Trace: [ 2903.878446][ T8552] [ 2903.902988][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2903.907729][ T8552] dump_stack+0x25/0x28 [ 2903.911943][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2903.917727][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2903.918477][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2903.922897][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2903.922966][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2903.923040][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2903.923088][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2903.923154][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2903.923226][ T8552] ? should_fail+0x75/0x9c0 [ 2903.923273][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2903.970357][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2903.976696][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2903.982831][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2903.987999][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2903.993861][ T8552] __msan_chain_origin+0xbf/0x140 [ 2903.998944][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.004007][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2904.004121][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.004184][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2904.024606][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.029179][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2904.034390][ T8552] ? 0xffffffff81000000 [ 2904.034442][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2904.034507][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.034574][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2904.055214][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.057433][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2904.061786][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.061868][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.061941][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.062013][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.062078][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.062141][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:39 syzkaller user.warn kernel: [ 2867.245079][ T8525] ? preempt_count_sub+0xf8/0x330 May 18 04:07:39 syzkaller user.warn kernel: [ 2867.249569][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:39 syzkaller user.warn kernel: [ 2867.255880][ T8525] ? kmsan_get_metadata+0x33/0x220 [ 2904.104478][ T8552] RIP: 0023:0xf6f00549 [ 2904.104518][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2904.104565][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2904.104611][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2904.104643][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2904.104674][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2904.104702][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2904.104731][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2904.104773][ T8552] [ 2904.105113][ T8552] Uninit was stored to memory at: [ 2904.105190][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.105240][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.105288][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.105344][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.105401][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.105464][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.105526][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.105586][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.105643][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.105710][ T8552] [ 2904.105717][ T8552] Uninit was stored to memory at: [ 2904.105784][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.105832][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.105880][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.105935][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.105991][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.106048][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.106108][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.106167][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.106226][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.106293][ T8552] [ 2904.106300][ T8552] Uninit was stored to memory at: [ 2904.106368][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.106567][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.106613][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.106668][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.106723][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.106778][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.106837][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.106895][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.106950][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.107011][ T8552] [ 2904.107018][ T8552] Uninit was stored to memory at: [ 2904.107080][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.107123][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.107165][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.107215][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.107266][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.107320][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.107379][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:39 [ 2904.107438][ T8552] do_SYSENTER_32+0x1b/0x20 syzkaller user.w[ 2904.107542][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c arn kernel: [ 28[ 2904.107608][ T8552] 67.255947][ T852[ 2904.107615][ T8552] Uninit was stored to memory at: 5] ? kmsan_get_[ 2904.107683][ T8552] __get_compat_msghdr+0x6e1/0x9d0 shadow_origin_pt[ 2904.107732][ T8552] get_compat_msghdr+0x108/0x2c0 r+0x9b/0xf0 [ 2904.107778][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.108051][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.108106][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.108158][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.108214][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.108271][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.108330][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.108396][ T8552] [ 2904.108404][ T8552] Uninit was stored to memory at: [ 2904.108497][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.108547][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.108592][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.108647][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.108703][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.108759][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.108819][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.108877][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.108934][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.108999][ T8552] [ 2904.109007][ T8552] Uninit was stored to memory at: [ 2904.109074][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.109121][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.109167][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.109382][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.109438][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.109498][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.109558][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.109617][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.109673][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.109738][ T8552] [ 2904.109747][ T8552] Local variable msg_sys created at: [ 2904.109762][ T8552] do_recvmmsg+0xbb/0x2120 [ 2904.109813][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.168524][T16595] device veth1_macvtap left promiscuous mode [ 2904.168629][T16595] device veth0_macvtap left promiscuous mode [ 2904.168783][T16595] device veth1_vlan left promiscuous mode [ 2904.168915][T16595] device veth0_vlan left promiscuous mode [ 2904.378519][ T8552] not chained 2880000 origins [ 2904.378544][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2904.378593][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2904.378619][ T8552] Call Trace: [ 2904.378633][ T8552] [ 2904.378649][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2904.378721][ T8552] dump_stack+0x25/0x28 [ 2904.378777][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2904.378846][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.378911][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.378975][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2904.379045][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2904.379093][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.379158][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2904.379231][ T8552] ? should_fail+0x75/0x9c0 [ 2904.379276][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.379339][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2904.379406][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2904.379482][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.379547][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2904.379617][ T8552] __msan_chain_origin+0xbf/0x140 [ 2904.379679][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.379749][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.379805][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2904.379870][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.379934][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2904.379999][ T8552] ? 0xffffffff81000000 [ 2904.380038][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2904.380100][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.380165][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2904.380239][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.380304][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.380378][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.380450][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.380517][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.380580][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.380640][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.380709][ T8552] RIP: 0023:0xf6f00549 [ 2904.380740][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2904.380785][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2904.380829][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2904.380862][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2904.380891][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2904.380919][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2904.380947][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2904.380988][ T8552] [ 2904.381002][ T8552] Uninit was stored to memory at: [ 2904.381073][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.381123][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.381172][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.381228][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.381286][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.381344][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.381406][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.381472][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.381530][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.381599][ T8552] [ 2904.381607][ T8552] Uninit was stored to memory at: [ 2904.381673][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.381724][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.382047][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.382103][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.382158][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.382214][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.382274][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.382331][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.382386][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.382456][ T8552] [ 2904.382463][ T8552] Uninit was stored to memory at: [ 2904.382531][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.382578][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.382624][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.382679][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.382733][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.382790][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.382852][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.382913][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.382973][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.383040][ T8552] [ 2904.383047][ T8552] Uninit was stored to memory at: [ 2904.383117][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.383166][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.383213][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.383268][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.383324][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.383382][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.383449][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.383535][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.383595][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.383662][ T8552] [ 2904.383670][ T8552] Uninit was stored to memory at: [ 2904.383739][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.383786][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.383831][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.383883][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.383937][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.383994][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.384056][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.384116][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.384174][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.384241][ T8552] [ 2904.384248][ T8552] Uninit was stored to memory at: [ 2904.384315][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.384364][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.384426][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.384488][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.384544][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.384601][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.384663][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.384723][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.384779][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.384844][ T8552] [ 2904.384852][ T8552] Uninit was stored to memory at: [ 2904.384921][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.384969][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.385016][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.385073][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.385128][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.385183][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.385244][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.385304][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.385361][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.385427][ T8552] [ 2904.385436][ T8552] Local variable msg_sys created at: [ 2904.385456][ T8552] do_recvmmsg+0xbb/0x2120 [ 2904.385508][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.730737][ T8552] not chained 2890000 origins [ 2904.730764][ T8552] CPU: 1 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 [ 2904.730811][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2904.730836][ T8552] Call Trace: [ 2904.730850][ T8552] [ 2904.730866][ T8552] dump_stack_lvl+0x1ff/0x28e [ 2904.730939][ T8552] dump_stack+0x25/0x28 [ 2904.730995][ T8552] kmsan_internal_chain_origin+0x78/0x120 [ 2904.731066][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.731133][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.731199][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2904.731270][ T8552] ? preempt_count_sub+0xf8/0x330 [ 2904.731317][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.731379][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2904.731450][ T8552] ? should_fail+0x75/0x9c0 [ 2904.731495][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.731564][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2904.731635][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 2904.731706][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.731774][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 2904.731843][ T8552] __msan_chain_origin+0xbf/0x140 [ 2904.731908][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.731982][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2904.732039][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 [ 2904.732105][ T8552] do_recvmmsg+0xd77/0x2120 [ 2904.732169][ T8552] ? xfd_validate_state+0xd1/0x2d0 [ 2904.732234][ T8552] ? 0xffffffff81000000 [ 2904.732272][ T8552] ? __stack_depot_save+0x21/0x4d0 [ 2904.732334][ T8552] ? kmsan_get_metadata+0x33/0x220 [ 2904.732396][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 2904.732468][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.732530][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2904.732606][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2904.732675][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2904.732744][ T8552] do_fast_syscall_32+0x34/0x70 [ 2904.732808][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2904.732871][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2904.732941][ T8552] RIP: 0023:0xf6f00549 [ 2904.732972][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 2904.733018][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 2904.733063][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 [ 2904.733096][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 [ 2904.733125][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2904.733153][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 2904.733181][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 2904.733222][ T8552] [ 2904.733678][ T8552] Uninit was stored to memory at: [ 2904.768952][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid [ 2904.771908][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2904.972084][T13404] Bluetooth: hci1: command 0x0409 tx timeout [ 2904.976620][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2905.940436][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2905.942587][ T8552] do_recvmmsg+0xd77/0x2120 [ 2905.942653][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2905.942711][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2905.942771][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2905.979458][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2905.985027][ T8552] do_fast_syscall_32+0x34/0x70 [ 2905.985097][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2905.985157][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2906.016574][ T8552] [ 2906.016586][ T8552] Uninit was stored to memory at: [ 2906.016665][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2906.016717][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2906.016765][ T8552] do_recvmmsg+0xd77/0x2120 [ 2906.016824][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:39 [ 2906.016881][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 syzkaller user.w[ 2906.016939][ T8552] __do_fast_syscall_32+0x96/0xf0 [ 2906.017007][ T8552] do_fast_syscall_32+0x34/0x70 arn kernel: [ 28[ 2906.025340][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid 67.258281][ T855[ 2906.029539][ T8552] do_SYSENTER_32+0x1b/0x20 2] entry_SYSENT[ 2906.056019][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ER_compat_after_[ 2906.058076][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c hwframe+0x4d/0x5[ 2906.100648][ T8552] c [ 2906.100659][ T8552] Uninit was stored to memory at: [ 2906.100738][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2906.114734][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:39 [ 2906.119714][ T8552] do_recvmmsg+0xd77/0x2120 syzkaller user.w[ 2906.125915][ T8552] __sys_recvmmsg+0x51c/0x6f0 arn kernel: [ 28[ 2906.132042][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 67.263293][ T852[ 2906.132255][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 5] ? should_fai[ 2906.139739][ T8552] __do_fast_syscall_32+0x96/0xf0 l+0x75/0x9c0 [ 2906.158269][ T8552] do_fast_syscall_32+0x34/0x70 [ 2906.164230][ T8552] do_SYSENTER_32+0x1b/0x20 [ 2906.164293][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 2906.175252][ T8552] [ 2906.177580][ T8552] Uninit was stored to memory at: [ 2906.182753][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2906.187905][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2906.192968][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:39 [ 2906.197527][ T8552] __sys_recvmmsg+0x51c/0x6f0 syzkaller user.w[ 2906.203925][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 arn kernel: [ 28[ 2906.203990][ T8552] __do_fast_syscall_32+0x96/0xf0 67.263341][ T852[ 2906.204059][ T8552] do_fast_syscall_32+0x34/0x70 5] ? kmsan_get_[ 2906.204118][ T8552] do_SYSENTER_32+0x1b/0x20 metadata+0x33/0x[ 2906.204177][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 220 May 18 04:0[ 2906.204246][ T8552] 7:39 syzkaller u[ 2906.204254][ T8552] Uninit was stored to memory at: ser.err kernel: [ 2906.204325][ T8552] __get_compat_msghdr+0x6e1/0x9d0 [ 2867.268457][ [ 2906.204375][ T8552] get_compat_msghdr+0x108/0x2c0 T8552] [ 2906.204437][ T8552] do_recvmmsg+0xd77/0x2120 [ 2906.266325][ T8552] __sys_recvmmsg+0x51c/0x6f0 [ 2906.271064][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 [ 2906.277524][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:39 [ 2906.282875][ T8552] do_fast_syscall_32+0x34/0x70 syzkaller user.e[ 2906.289096][ T8552] do_SYSENTER_32+0x1b/0x20 rr kernel: [ 286[ 2906.295076][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 7.268467][ T8552[ 2906.302867][ T8552] ] Uninit was sto[ 2906.306591][ T8552] Uninit was stored to memory at: red to memory at[ 2906.313242][ T8552] __get_compat_msghdr+0x6e1/0x9d0 : [ 2906.313296][ T8552] get_compat_msghdr+0x108/0x2c0 [ 2906.313344][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:39 [ 2906.313445][ T8552] __sys_recvmmsg+0x51c/0x6f0 syzkaller user.w[ 2906.313502][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 arn kernel: [ 28[ 2906.313559][ T8552] __do_fast_syscall_32+0x96/0xf0 67.273379][ T852[ 2906.349712][ T8552] do_fast_syscall_32+0x34/0x70 5] ? kmsan_inte[ 2906.356065][ T8552] do_SYSENTER_32+0x1b/0x20 rnal_set_shadow_[ 2906.362037][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c origin+0x5e/0xc0[ 2906.369750][ T8552] May 18 04:07:4[ 2906.369760][ T8552] Uninit was stored to memory at: 0 syzkaller user[ 2906.369837][ T8552] __get_compat_msghdr+0x6e1/0x9d0 .warn kernel: [ [ 2906.386582][ T8552] get_compat_msghdr+0x108/0x2c0 2867.273458][ T8[ 2906.392981][ T8552] do_recvmmsg+0xd77/0x2120 525] ? kmsan_in[ 2906.398835][ T8552] __sys_recvmmsg+0x51c/0x6f0 ternal_unpoison_[ 2906.398899][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 memory+0x10/0x20[ 2906.398959][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:4[ 2906.419144][ T8552] do_fast_syscall_32+0x34/0x70 0 syzkaller daem[ 2906.425475][ T8552] do_SYSENTER_32+0x1b/0x20 on.err dhcpcd[30[ 2906.431329][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c 49]: ps_sendpsmm[ 2906.439106][ T8552] sg: Connection r[ 2906.439118][ T8552] Local variable msg_sys created at: efused May 18 0[ 2906.439133][ T8552] do_recvmmsg+0xbb/0x2120 4:07:41 syzkalle[ 2906.439193][ T8552] __sys_recvmmsg+0x51c/0x6f0 r user.warn kernel: [ 2867.278009][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:42 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8559: Connection refused May 18 04:07:43 syzkaller user.warn kernel: [ 2867.282614][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:43 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:43 syzkaller user.warn kernel: [ 2867.282680][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:07:43 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8558: Connection refused May 18 04:07:45 syzkaller user.warn kernel: [ 2867.288995][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:45 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:45 syzkaller user.warn kernel: [ 2867.294005][ T8525] __msan_chain_origin+0xbf/0x140 May 18 04:07:45 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8554: Connection refused May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494619][ T8525] CPU: 0 PID: 8525 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller #0 May 18 04:07:45 syzkaller daemon.err dhcpcd[3049]: ps_sendpsmmsg: Connection refused May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494666][ T8525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:07:45 syzkaller daemon.err dhcpcd[3049]: ps_root_recvmsgcb: failed to send message to pid 8560: Connection refused May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494691][ T8525] Call Trace: May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494704][ T8525] May 18 04:07:45 syzkaller user.err kernel: [ 2872.494722][ T8552] Uninit was stored to memory at: May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494719][ T8525] dump_stack_lvl+0x1ff/0x28e May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494785][ T8525] dump_stack+0x25/0x28 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494790][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494837][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494840][ T8525] kmsan_internal_chain_origin+0x78/0x120 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494884][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494905][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494944][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494970][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.494998][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495032][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:07:45 syzkaller user.err kernel: [ 2872.495293][ T8552] May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495278][ T8525] ? should_fail+0x75/0x9c0 May 18 04:07:45 syzkaller user.err kernel: [ 2872.495301][ T8552] Uninit was stored to memory at: May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495321][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495367][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495383][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495414][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495460][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495457][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495513][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495524][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495568][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495586][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495623][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495654][ T8525] __msan_chain_origin+0xbf/0x140 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495682][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495715][ T8525] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495739][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495783][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495796][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:45 syzkaller user.err kernel: [ 2872.495860][ T8552] May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495838][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:45 syzkaller user.err kernel: [ 2872.495868][ T8552] Uninit was stored to memory at: May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495900][ T8525] do_recvmmsg+0xd77/0x2120 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495934][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495962][ T8525] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.495986][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496040][ T8525] ? 0xffffffff81000000 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496032][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496078][ T8525] ? __stack_depot_save+0x21/0x4d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496086][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496141][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496139][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496196][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496201][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496255][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496272][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496313][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:45 syzkaller [ 2907.052423][T13404] Bluetooth: hci1: command 0x041b tx timeout user.warn kernel: [ 2872.496334][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496369][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496406][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:45 syzkaller user.err kernel: [ 2872.496433][ T8552] May 18 04:07:45 syzkaller user.err kernel: [ 2872.496440][ T8552] Uninit was stored to memory at: May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496479][ T8525] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496506][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496545][ T8525] do_fast_syscall_32+0x34/0x70 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496553][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496599][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:45 May 18 04:07:45 syzkaller user.wMay 18 04:07:45 syzkaller user.warn kernel: [ 2872.496667][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:45 syzkaller user.warn kernel: [May 18 04:07:45 syzkaller user.warn kernel: [ 2872.496735][ T8525] RIP: 0023:0xf6e9f549 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.496765][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.496763][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.496809][ T8525] RSP: 002b:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 00000000000001May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.496882][ T8552] do_SYSENTER_3[ 2907.222387][T16595] team0 (unregistering): Port device team_slave_1 removed 2+0x1b/0x20 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.496912][ T8525]May 18 04:07:46 syzkaller user.warn kernel: [ 2872.496940][ T8525] R10: 0000000000000000 R11: 00May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.err kernel: [ 2872.497009][ T8552] May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497009][ T8525] May 18 04:07:46 syzkaller user.err kernel: [ 2872.497016][ T8552] Uninit was stored to memory at: May 18 04:07:46 syzkaller user.err kernel: [ 2872.497023][ T8525] Uninit was stored to memory May 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497229][ T8552[ 2907.296984][T16595] team0 (unregistering): Port device team_slave_0 removed ] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497235][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497284][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.497345][ T8525] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497399][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497403][ T8525] do_fast_syscall_32+0x34/0x70 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497456][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497466][ T8525] do_SYSENTER_32+0x1b/0x20 May 18 04:07:46 syzkaller user.warn kernel: May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.eM[ 2907.381285][T16595] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface ay 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497806][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497853][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.497974][ T852May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498033][ T8525] do_SYSENTER_May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 May 18 04:07:46 syzkaller user.err kernel: [ 2872.498161][ T8552] Uninit was stored to memory at: May 18 04:07:46 syzkaller user.err kernel: [ 2872.498161][ T8525] Uninit was stored to memory at: May 18 04:07:46 syzkaller May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498275][ T852May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498322][ T8525] do_recvmmsg+0xd77/0x2120 May 18 04:07:46 syz[ 2907.486477][T16595] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface kaller user.warn kernel: [ 2872.498375][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498377][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498490][ T8552] __do_fast_syMay 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.498549][ T8552] do_fast_syscall_32+0x34/0x70May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 May 18 04:07:46 syzkaller user.err kernel: [ 287May 18 04:07:46 syzkaller user.err kernel: [ 287May 18 04:07:46 May 18 04:07:46 syzkaller user.err kernel: [ 2872.498752][ T8552] do_recvmmsg+0xbb/0x2120 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498802][ T8525] __get_compat_msghdr+0x6e1/0x9d0May 18 04:07:46 sMay 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498894][ T8525] do_recvmmsg+May 18 04:07:46 syzkaller user.warn kernel: [ 2872.498948][ T8525] __sys_recvmmMay 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.499176][ T8525] do_SYSENTER_32+0x1b/0x20 May 18 04:07:46 syMay 18 04:07:46 syzkaller user.err kernel: [ 2872.499299][ T8525May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.err kernel: [ 2872.499891][ T8525May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500006][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500054][ T8525] do_recvmmsg+0xd77/0x2120May 18 04:07:46 sMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500281][ T8525] do_fast_syscall_32+0x34/0x70 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500341][ T8May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500399][ T8525] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:46 syzkaller user.err kernel: [ 2872.500469][ T8May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500750][ T8525] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500806][ T8525] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.500867][ T8525] do_faMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.eMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.725640][ T8525] not chained 2490000 origins May 18 04:07:46 syzkaller user.warn kernel: [ 2872.725668][ T852May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.725742][ T852May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.725849][ T8525] dump_stack+0May 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.726110][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.7[ 2907.780374][T16595] bond0 (unregistering): Released all slaves 26184][ T8525] ? preempt_count_sub+0xf8/0x330 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.726232][ T8525] ? kmsan_getMay 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.726418][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.726487][May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.726902][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.726959][ T8525] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.727026][ T8525] do_recvmmsg+0xd77/0x2120 May 18 04:07:46 syzkaller useMay 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 syzkaller user.warn kernel: [ 2872.727277][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.727342][ T8525] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.727417][ T8525] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.727487][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.727562][ T8525] __ia32_compat_syMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.727633][ T8525] __do_fast_syscall_32+0x96/0xMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.727934][ T8525] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.728060][ T8525] RDX: 00000000May 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.728148][ T852May 18 04:07:46 syzkaller user.warn kernel: [ 2872.728190][ T8525] May 18 04:07:46 syzkaller user.err kernel: [ 2872.728205][ T8525] Uninit was storedMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.728375][ T8525] do_recvmmsg+0xd77/0x2120 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.728431][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 syzkaller user.warMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 syzkaller user.err kernel: [ 2872.728807][ T8525] May 18 04:07:46 syzkaller user.err kernel: [May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.728932][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:07:46 syzkaller useMay 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.729093][ T852May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.729527][ T8525] get_compat_msghdr+0x108/0x2c0 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.729572][ T8525] do_recvmmsg+0xd77/0x2120May 18 04:07:46 sMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.729800][ T8525] do_fast_syscall_32+0x34/0x70 May 18 04:07:46 syzkaller userMay 18 04:07:46 May 18 04:07:46 syzkaller user.eMay 18 04:07:46 syzkaller user.eMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.730062][ T8525] __get_compat_msghdr+0x6e1/0xMay 18 04:07:46 syzkaller user.wMay 18 04:07:46 syzkaller user.warn kernel: [ 2872.730160][ T8525] do_recvmmsg+May 18 04:07:46 syzkaller user.warn kernel: [ 2872.730216][ T8525] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:46 May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.730457][ T8525] do_SYSENTER_32+0x1b/0x20 04:07:47 executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) 04:07:47 executing program 4: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) 04:07:47 executing program 5: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) 04:07:47 executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) 04:07:47 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r0, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r1, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r1, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r2, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r2, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r3 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r3, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r3, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r4 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r4, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r4, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r5 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r5, &(0x7f0000000480)={0xa, 0x4e20, 0x0, @mcast1, 0x2}, 0x1c) r6 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r6, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r6, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r7 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r7, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r7, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r8 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r8, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r8, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r9 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r9, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r9, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r10 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r10, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r10, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c) r11 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r11, 0x1, 0xf, &(0x7f0000000000)=0x6, 0xa) bind$inet6(r11, &(0x7f0000f67fe4)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c) May 18 04:07:46 syMay 18 04:07:46 syzkaller user.eMay 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.730665][ T852May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.730875][ T8525] __ia32_compaMay 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 2872.731413][ T8525] __sys_recvmmMay 18 04:07:46 May 18 04:07:46 May 18 04:07:46 syzkaller user.warn kernel: [ 28May 18 04:07:46 syzkaller user.wMay 18 04:07:46 May 18 04:07:46 May 18 04:07:47 syzkaller user.eMay 18 04:07:47 syzkaller user.warn kernel: [ 2872.732667][ T8525] __get_compat_msghdr+0x6e1/0xMay 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 syzkaller user.warn kernel: [ 28May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.733052][ T852May 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 syzkaller user.eMay 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.908309][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.908381][ T855May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 syzkaller user.warn kernel: [ 2872.908582][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.908655][May 18 04:07:47 syzkaller user.warn kernel: [ 28May 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.908845][ T8552] ? xfd_validaMay 18 04:07:47 syzkaller user.warn kernel: [ 2872.908913][ T8552] ? 0xffffffff81000000 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.908954][ T8552] ? __stack_depot_save+0x21/0x4d0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.909023][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.909088][ T[ 2908.315248][ T24] audit: type=1326 audit(2000002067.530:775): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 8552] ? kmsan_May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.909375][ T8552] __do_fast_syscall_32+0x96/0xMay 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 syzkaller user.warn kernel: [ 2872.909676][ T855May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.909892][ T8552] R13: 0000000000000000 R14: 0000000000000000 RMay 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.910357][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.910417][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.910477][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:47 syzkaller user.err kernel: [ 2872.910544][ T8552] May 18 04:07:47 syzkaller user.err kernel: [ 2872.910551]May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.911219][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.911268][ T8552] get_compat_msghdr+0x108May 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.911430][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1dMay 18 04:07:47 syzkaller user.warn kernel: [ 2872.911488][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.911550][ May 18 04:07:47 syzkaller user.warn kernel: [ 2872.911611][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.911670][ T8552]May 18 04:07:47 syzkaller user.eMay 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.912158][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.912209][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.912257][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.912313][ T8552] __sys_recvmmsg+0x51c/0May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 syzkaller user.eMay 18 04:07:47 syzkaller user.wMay 18 04:07:47 syzkaller user.wMay 18 04:07:47 May 18 04:07:47 May 18 04:07:47 syzkaller user.wMay 18 04:07:47 syzkaller user.warn kernel: [ 2872.913029][ T8552] __do_fast_syscall_32+0x96/0xMay 18 04:07:47 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913152][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913210][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5cMay 18 04:07:47 sMay 18 04:07:47 syzkaller user.err kernel: [ 2872.913289][ T8552] Uninit was stored to memory at: May 18 04:07:47 syzkaller user[ 2908.465536][ T24] audit: type=1326 audit(2000002067.580:776): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=65 compat=1 ip=0xf6f37549 code=0x7ffc0000 .warn kernel: [ 2872.913358][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913406][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913454][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913511][ T8552] __sys_recvmmsg+0x51c/0x6f0 04:07:47 executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) [ 2908.465725][ T24] audit: type=1326 audit(2000002067.580:777): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 04:07:47 executing program 4: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000180)=[{0x200000000006, 0x0, 0x0, 0x7ffc0001}]}) r0 = getpgrp(0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) kcmp(r0, r2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) [ 2908.465894][ T24] audit: type=1326 audit(2000002067.600:778): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=332 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2908.466071][ T24] audit: type=1326 audit(2000002067.600:779): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2908.466403][ T24] audit: type=1326 audit(2000002067.600:780): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=55 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2908.466572][ T24] audit: type=1326 audit(2000002067.600:781): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2908.466741][ T24] audit: type=1326 audit(2000002067.600:782): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=55 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2908.466910][ T24] audit: type=1326 audit(2000002067.610:783): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2908.467087][ T24] audit: type=1326 audit(2000002067.610:784): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=8580 comm="syz-executor.0" exe="/root/syz-executor.0" sig=0 arch=40000003 syscall=349 compat=1 ip=0xf6f37549 code=0x7ffc0000 [ 2909.132321][T13404] Bluetooth: hci1: command 0x040f tx timeout [ 2909.137607][ T2839] EXT4-fs error: 454 callbacks suppressed [ 2909.137674][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2909.189444][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid [ 2909.196496][ T2839] EXT4-fs error (device sda1): ext4_lookup:1785: inode #528: comm udevd: iget: checksum invalid May 18 04:07:47 [ 2909.554457][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid syzkaller user.warn kernel: [ 2872.913568][ T855[ 2909.568696][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 2] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d[ 2909.583434][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid 0 May 18 04:07:47 syzkaller use[ 2909.597782][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid r.warn kernel: [ 2872.913626][ T8552] __do_fast_syscall_32+0x96[ 2909.613653][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid /0xf0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913687[ 2909.630356][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid ][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:47 syzkaller user.warn ker[ 2909.647580][ T2821] EXT4-fs error (device sda1): ext4_lookup:1785: inode #1116: comm syslogd: iget: checksum invalid nel: [ 2872.913747][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913807][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:47 syzkaller user.err kernel: [ 2872.913873][ T8552] May 18 04:07:47 syzkaller user.err kernel: [ 2872.913881][ T8552] Uninit was stored to memory at: May 18 04:07:47 syzkaller user.warn kernel: [ 2872.913951][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.914007][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.914056][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.914112][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.914170][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:47 syzkaller user.warn kernel: [ 2872.914227][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:48 syzkaller user.warn kernel: [ 2872.914289][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:48 syzkaller user.warn kernel: [ 2872.914349][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:48 syzkaller user.warn kernel: [ 2872.914409][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:48 syzkaller user.err kernel: [ 2872.914476][ T8552] May 18 04:07:48 syzkaller user.err kernel: [ 2872.914485][ T8552] Local variable msg_sys created at: May 18 04:07:48 syzka[ 2909.783101][ T8576] chnl_net:caif_netlink_parms(): no params data found ller user.err kernel: [ 2872.914500][ T8552] do_recvmmsg+0xbb/0x2120 May 18 04:07:48 syzkaller user.err kernel: [ 2872.914554][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.090786][ T8552] not chained 2510000 origins May 18 04:07:48 syzkaller user.warn kernel: [ 2873.090810][ T8552] CPU: 0 PID: 8552 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller #0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.090858][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.090884][ T8552] Call Trace: May 18 04:07:48 syzkaller user.warn kernel: [ 2873.090898][ T8552] May 18 04:07:48 syzkaller user.warn kernel: [ 2873.090913][ T8552] dump_stack_lvl+0x1ff/0x28e May 18 04:07:48 syzkaller user.warn kernel: [ 2873.090991][ T8552] dump_stack+0x25/0x28 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091049][ T8552] kmsan_internal_chain_origin+0x78/0x120 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091117][ T8552] ? do_user_addr_fault+0x13f7/0x1f20 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091176][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091243][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091313][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091379][ T8552] ? kmsan_instrumentation_begin+0x53/0x70 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091448][ T8552] ? irqentry_exit+0x2c/0x40 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091500][ T8552] ? exc_page_fault+0x76/0x150 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091551][ T8552] ? asm_exc_page_fault+0x1e/0x30 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091610][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091676][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091746][ T8552] ? kmsan_internal_unpoison_memory+0x10/0x20 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091820][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091886][ T8552] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.091956][ T8552] __msan_chain_origin+0xbf/0x140 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092027][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092098][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092155][ T8552] ? __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092222][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092287][ T8552] ? xfd_validate_state+0xd1/0x2d0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092356][ T8552] ? 0xffffffff81000000 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092396][ T8552] ? __stack_depot_save+0x21/0x4d0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092462][ T8552] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092526][ T8552] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092604][ T8552] ? __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092669][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:48 syzkaller user.warn kernel: [ 2873.092744][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.092815][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.092885][ T8552] do_fast_syscall_32+0x34/0x70 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.092950][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093018][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093088][ T8552] RIP: 0023:0xf6f00549 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093120][ T8552] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093166][ T8552] RSP: 002b:00000000f58d95cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093213][ T8552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002440 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093247][ T8552] RDX: 00000000ffffff67 RSI: 0000000000000000 RDI: 0000000000000000 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093277][ T8552] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093305][ T8552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093334][ T8552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093377][ T8552] May 18 04:07:49 syzkaller user.err kernel: [ 2873.093636][ T8552] Uninit was stored to memory at: May 18 04:07:49 syzkaller user.warn kernel: [ 2873.093708][ T8552] __get_compat_msghdr+0x6e1/0x9d0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.095263][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.095315][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.095372][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.095430][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.095494][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.09May 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.095676][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:49 syzkaller user.err kernel: [ 2873.095744][ T8552] May 18 04:07:49 syzkaller user.err kernelMay 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.095919][ T8552] do_recvmmsg+0xd77/0x2120 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.095976][ T8552]May 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.err kernel: [ 2873.096346][ T8552] May 18 04:07:49 syzkaller user.err kernel: [ 2873.096354][ TMay 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.096634][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.096692][ TMay 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 syzkaller user.wMay 18 04:07:49 syzkaller user.eMay 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.097072][ T8552] get_compat_msghdr+0x108/0x2c0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.097120][ T8552] do_recvmmMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.097176][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.097234][ T855May 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.097414][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.097473][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:49 syzkaller user.err kernel: [ 2873.097540][ T8552] May 18 04:07:49 syzkaller uMay 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.097770][ T8552] __sys_recvmmsg+0x51c/0x6f0 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.098074][ T8552] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c May 18 04:07:49 syzkaller user.err kernel: [ May 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.098372][ T855May 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.098486][ T8552] __do_fast_syscall_32+0x96/0xf0 May 18 04:07:49 syzkaller user.warn kernel: May 18 04:07:49 syzkaller user.warn kernel: [ 2873.098609][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.098668][ T8552] entry_SYSENTER_compat_after_hwMay 18 04:07:49 May 18 04:07:49 syzkaller user.eMay 18 04:07:49 syzkaller user.wMay 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.099028][ T8552] __ia32_compat_sys_recvmmsg_time32+0x16e/0x1d0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.099086][ T8552] __do_fast_syscall_32+0x96May 18 04:07:49 syzkaller user.warn kernel: [ 2873.099147][ T8552] do_fast_syscall_32+0x34/0x70May 18 04:07:49 syzkaller user.warn kernel: [ 2873.099208][ T8552] do_SYSENTER_32+0x1b/0x20 May 18 04:07:49 syMay 18 04:07:49 May 18 04:07:49 s[ 2910.604455][ T8576] bridge0: port 1(bridge_slave_0) entered blocking state yzkaller user.er[ 2910.612963][ T8576] bridge0: port 1(bridge_slave_0) entered disabled state r kernel: [ 2873.099344][ T8552] Local variableM[ 2910.623943][ T8576] device bridge_slave_0 entered promiscuous mode ay 18 04:07:49 May 18 04:07:49 syzkaller user.eMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.265719][ T8525] not chained 2520000 origins May 18 04:07:49 syzkaller user.warn kernel: [ 2873.265748][ T8525] CPU: 1 PID: 8525 Comm: syz-exMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.265799][ T8525] Hardware name: Google Google Compute Engine/GMay 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.265840][ T8525] May 18 04:07:49 syzkaller user.warn kernel: [ 2873.265857][ T8525] dump_stack_lvl+0x1ff/0x28e May 18 04:07:49 syzkaller user.warn kernel: [ 2873.265934][ T8525] dump_stack+0x25/0x28 May 18 04:07:49 syzkaller user.warn kernelMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.266072][ T8525] ? kmsan_get_metadata+0x33/0x220 May 18 04:07:49 syzkaller user.warn kernel:May 18 04:07:49 May 18 04:07:49 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.266327][ T852May 18 04:07:49 May 18 04:07:49 syzkaller user.wa[ 2910.713969][ T8576] bridge0: port 2(bridge_slave_1) entered blocking state rn kernel: [ 287[ 2910.722039][ T8576] bridge0: port 2(bridge_slave_1) entered disabled state 3.266465][ T8525] ? should_fail+0x75/0x9c0 May[ 2910.733155][ T8576] device bridge_slave_1 entered promiscuous mode 18 04:07:49 syMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.266577][ T852May 18 04:07:49 May 18 04:07:49 syzkaller user.wMay 18 04:07:49 syzkaller user.warn kernel: [ 2873.266783][ T8525] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 May 18 04:07:49 syzkaller user.warn kernel: [ 2873.266852][ T8525] __msan_chain_origin+0xbf/0x140May 18 04:07:49 sMay 18 04:07:49 syzkaller user.warn kernel: [ 287[ 2910.774282][ T2821] ===================================================== 3.266997][ T8525[ 2910.782178][ T2821] BUG: KMSAN: uninit-value in ext4_inode_journal_mode+0x29f/0x510 ] get_compat_ms[ 2910.791243][ T2821] ext4_inode_journal_mode+0x29f/0x510 ghdr+0x108/0x2c0[ 2910.798069][ T2821] ext4_evict_inode+0x1b5/0x2d20 May 18 04:07:4[ 2910.804372][ T2821] evict+0x4f4/0xdd0 9 syzkaller useM[ 2910.809650][ T2821] iput+0xc53/0x1100 ay 18 04:07:49 M[ 2910.814911][ T2821] iget_failed+0x2d4/0x390 ay 18 04:07:49 s[ 2910.820701][ T2821] __ext4_iget+0xf91/0x64f0 yzkaller user.wa[ 2910.826570][ T2821] ext4_lookup+0xbe5/0x1400 rn kernel: [ 287[ 2910.832441][ T2821] __lookup_slow+0x60e/0x800 3.267187][ T8525[ 2910.838395][ T2821] lookup_slow+0xdd/0x140 ] ? kmsan_inter[ 2910.844089][ T2821] link_path_walk+0x1223/0x1ac0 nal_unpoison_mem[ 2910.850305][ T2821] path_openat+0x389/0x5be0 ory+0x10/0x20 M[ 2910.856186][ T2821] do_filp_open+0x306/0x760 ay 18 04:07:49 s[ 2910.862062][ T2821] do_sys_openat2+0x263/0x8f0 yzkaller user.wa[ 2910.868103][ T2821] __x64_sys_openat+0x35f/0x3c0 rn kernel: [ 287[ 2910.874322][ T2821] do_syscall_64+0x54/0xd0 3.267268][ T8525[ 2910.880105][ T2821] entry_SYSCALL_64_after_hwframe+0x44/0xae ] ? 0xffffffff8[ 2910.887363][ T2821] 1000000 May 18 [ 2910.891065][ T2821] Uninit was created at: 04:07:49 syzkall[ 2910.896738][ T2821] __alloc_pages+0xbbf/0x1090 er user.warn ker[ 2910.902720][ T2821] alloc_pages+0xa08/0xd50 nel: [ 2873.2673[ 2910.908502][ T2821] allocate_slab+0x29e/0x1b00 09][ T8525] ? _[ 2910.914548][ T2821] ___slab_alloc+0xb3a/0x1d70 _stack_depot_sav[ 2910.920595][ T2821] kmem_cache_alloc+0xb8a/0x11a0 e+0x21/0x4d0 Ma[ 2910.926902][ T2821] ext4_alloc_inode+0x5e/0x870 y 18 04:07:49 sy[ 2910.933061][ T2821] iget_locked+0x3ac/0x1430 zkaller user.war[ 2910.938937][ T2821] __ext4_iget+0x4ec/0x64f0 n kernel: [ 2873[ 2910.944811][ T2821] ext4_lookup+0xbe5/0x1400 .267373][ T8525][ 2910.950711][ T2821] __lookup_slow+0x60e/0x800 ? kmsan_get_me[ 2910.956682][ T2821] lookup_slow+0xdd/0x140 tadata+0x33/0x22[ 2910.962380][ T2821] link_path_walk+0x1223/0x1ac0 0 May 18 04:07:[ 2910.968601][ T2821] path_openat+0x389/0x5be0 49 syzkaller use[ 2910.974472][ T2821] do_filp_open+0x306/0x760 r.warn kernel: [[ 2910.980342][ T2821] do_sys_openat2+0x263/0x8f0 2873.267438][ T[ 2910.986387][ T2821] __x64_sys_openat+0x35f/0x3c0 8525] ? kmsan_i[ 2910.992609][ T2821] do_syscall_64+0x54/0xd0 nternal_set_shad[ 2910.998393][ T2821] entry_SYSCALL_64_after_hwframe+0x44/0xae ow_origin+0x5e/0[ 2911.005656][ T2821] xc0 May 18 04:0[ 2911.009357][ T2821] CPU: 0 PID: 2821 Comm: syslogd Not tainted 5.17.0-syzkaller #0 7:49 syzkaller u[ 2911.018440][ T2821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ser.warn kernel:[ 2911.029867][ T2821] ===================================================== [ 2873.267512][[ 2911.038167][ T2821] Disabling lock debugging due to kernel taint T8525] ? __ia32_compat_sys_rec[ 2911.048452][ T2821] Kernel panic - not syncing: kmsan.panic set ... vmmsg_time32+0x1[ 2911.054863][ T2821] CPU: 0 PID: 2821 Comm: syslogd Tainted: G B 5.17.0-syzkaller #0 6e/0x1d0 May 18[ 2911.065326][ T2821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 04:07:49 syzkal[ 2911.076765][ T2821] Call Trace: ler user.warn ke[ 2911.081462][ T2821] rnel: [ 2873.267[ 2911.085768][ T2821] dump_stack_lvl+0x1ff/0x28e 578][ T8525] __[ 2911.091824][ T2821] dump_stack+0x25/0x28 sys_recvmmsg+0x5[ 2911.097361][ T2821] panic+0x487/0xe1f 1c/0x6f0 May 18[ 2911.102645][ T2821] ? add_taint+0x181/0x210 04:07:49 syzkaM[ 2911.108424][ T2821] ? _raw_spin_unlock_irqrestore+0x78/0xb0 ay 18 04:07:49 s[ 2911.115602][ T2821] kmsan_report+0x2e6/0x2f0 yzkaller user.wM[ 2911.121489][ T2821] ? __msan_warning+0xb8/0x130 ay 18 04:07:49 M[ 2911.127612][ T2821] ? ext4_inode_journal_mode+0x29f/0x510 ay 18 04:07:49 M[ 2911.134616][ T2821] ? ext4_evict_inode+0x1b5/0x2d20 ay 18 04:07:49 s[ 2911.141097][ T2821] ? evict+0x4f4/0xdd0 yzkaller user.wa[ 2911.146884][ T2821] ? iput+0xc53/0x1100 rn kernel: [ 287[ 2911.152325][ T2821] ? iget_failed+0x2d4/0x390 3.267921][ T852M[ 2911.158290][ T2821] ? __ext4_iget+0xf91/0x64f0 ay 18 04:07:49 M[ 2911.164331][ T2821] ? ext4_lookup+0xbe5/0x1400 ay 18 04:07:49 s[ 2911.170375][ T2821] ? __lookup_slow+0x60e/0x800 yzkaller user.wa[ 2911.176505][ T2821] ? lookup_slow+0xdd/0x140 rn kernel: [ 28M[ 2911.182374][ T2821] ? link_path_walk+0x1223/0x1ac0 ay 18 04:07:49 s[ 2911.188765][ T2821] ? path_openat+0x389/0x5be0 yzkaller user.wa[ 2911.194811][ T2821] ? do_filp_open+0x306/0x760 rn kernel: [ 287[ 2911.200860][ T2821] ? do_sys_openat2+0x263/0x8f0 3.268070][ T852M[ 2911.207083][ T2821] ? __x64_sys_openat+0x35f/0x3c0 ay 18 04:07:49 s[ 2911.213477][ T2821] ? do_syscall_64+0x54/0xd0 yzkaller user.wa[ 2911.219432][ T2821] ? entry_SYSCALL_64_after_hwframe+0x44/0xae rn kernel: [ 287[ 2911.226868][ T2821] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 3.268116][ T8525[ 2911.234044][ T2821] ? __rcu_read_unlock+0x82/0xf0 ] RAX: fffffffff[ 2911.240348][ T2821] ? __queue_work+0x18db/0x1f70 fffffda RBX: 000[ 2911.246566][ T2821] ? ext4_evict_inode+0x53/0x2d20 0000000000004 RC[ 2911.252965][ T2821] ? filter_irq_stacks+0xb5/0x230 X: 0000000020002[ 2911.259365][ T2821] ? kmsan_get_metadata+0x33/0x220 440 May 18 04:0[ 2911.265855][ T2821] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 7:49 syzkaller u[ 2911.273032][ T2821] __msan_warning+0xb8/0x130 ser.warn kernel:[ 2911.278991][ T2821] ext4_inode_journal_mode+0x29f/0x510 [ 2873.268149][[ 2911.285817][ T2821] ? kmsan_get_metadata+0x33/0x220 T8525] RDX: 000[ 2911.292302][ T2821] ext4_evict_inode+0x1b5/0x2d20 00000ffffff67 RS[ 2911.298609][ T2821] ? _raw_spin_unlock+0x3f/0x60 I: 0000000000000[ 2911.304826][ T2821] ? inode_wait_for_writeback+0x31d/0x340 000 RDI: 0000000[ 2911.312017][ T2821] ? kmsan_get_metadata+0x33/0x220 000000000 May 1[ 2911.318503][ T2821] ? ext4_inode_is_fast_symlink+0x600/0x600 8 04:07:49 syzka[ 2911.325758][ T2821] evict+0x4f4/0xdd0 ller user.warn k[ 2911.331032][ T2821] iput+0xc53/0x1100 ernel: [ 2873.26[ 2911.336293][ T2821] iget_failed+0x2d4/0x390 8179][ T8525] RB[ 2911.342069][ T2821] __ext4_iget+0xf91/0x64f0 P: 0000000000000[ 2911.347967][ T2821] ext4_lookup+0xbe5/0x1400 000 R08: 0000000[ 2911.353832][ T2821] ? ext4_add_entry+0x20e0/0x20e0 000000000 R09: 0[ 2911.360282][ T2821] __lookup_slow+0x60e/0x800 000000000000000[ 2911.366248][ T2821] lookup_slow+0xdd/0x140 May 18 04:07:49[ 2911.371937][ T2821] link_path_walk+0x1223/0x1ac0 syzkaller user.[ 2911.378166][ T2821] path_openat+0x389/0x5be0 warn kernel: [ 2[ 2911.384014][ T2821] ? kmsan_get_metadata+0x33/0x220 873.268208][ T85[ 2911.390488][ T2821] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 25] R10: 0000000[ 2911.397673][ T2821] ? __stack_depot_save+0x21/0x4d0 000000000 R11: M[ 2911.404141][ T2821] ? kmsan_get_metadata+0x33/0x220 ay 18 04:07:49 M[ 2911.410615][ T2821] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 ay 18 04:07:49 s[ 2911.417791][ T2821] do_filp_open+0x306/0x760 yzkaller user.wM[ 2911.423681][ T2821] ? get_unused_fd_flags+0x90/0xb0 ay 18 04:07:49 s[ 2911.430138][ T2821] do_sys_openat2+0x263/0x8f0 yzkaller user.er[ 2911.436308][ T2821] ? kmsan_get_metadata+0x33/0x220 r kernel: [ 2873[ 2911.442797][ T2821] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 .268295][ T8525][ 2911.450428][ T2821] __x64_sys_openat+0x35f/0x3c0 Uninit was stor[ 2911.456649][ T2821] do_syscall_64+0x54/0xd0 ed to memory atM[ 2911.462424][ T2821] entry_SYSCALL_64_after_hwframe+0x44/0xae ay 18 04:07:49 s[ 2911.469680][ T2821] RIP: 0033:0x7f88400b0697 yzkaller user.wa[ 2911.475463][ T2821] Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f rn kernel: [ 28M[ 2911.496436][ T2821] RSP: 002b:00007ffde8d79b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 ay 18 04:07:49 s[ 2911.506219][ T2821] RAX: ffffffffffffffda RBX: 000055990467c910 RCX: 00007f88400b0697 yzkaller user.wa[ 2911.515563][ T2821] RDX: 0000000000000d41 RSI: 00007f884023e99a RDI: 00000000ffffff9c rn kernel: [ 287[ 2911.524904][ T2821] RBP: 00007f884023e99a R08: 00007f8840140040 R09: 00007f88401400c0 3.268415][ T8525[ 2911.534246][ T2821] R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41 ] get_compat_ms[ 2911.543590][ T2821] R13: 000055990467ca50 R14: 0000000000000004 R15: 000055990467ca60 ghdr+0x108/0x2c0[ 2911.552945][ T2821] May 18 04:07:4[ 2911.557625][ T2821] Kernel Offset: disabled [ 2911.563029][ T2821] Rebooting in 86400 seconds..