metadata+0x116/0x180 [ 1074.045969][T25542] ? __se_sys_recvmmsg+0xd6/0x410 [ 1074.050995][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.055948][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.060799][T25542] do_syscall_64+0x9f/0x140 [ 1074.065303][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.071194][T25542] RIP: 0033:0x4665d9 [ 1074.075098][T25542] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1074.094881][T25542] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1074.103404][T25542] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1074.111408][T25542] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1074.119487][T25542] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1074.127520][T25542] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1074.135595][T25542] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1074.143587][T25542] Uninit was stored to memory at: [ 1074.148613][T25542] kmsan_internal_chain_origin+0xad/0x130 [ 1074.154338][T25542] __msan_chain_origin+0x54/0xa0 [ 1074.159290][T25542] do_recvmmsg+0x17fc/0x22d0 [ 1074.163884][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.168831][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.173706][T25542] do_syscall_64+0x9f/0x140 [ 1074.178209][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.184107][T25542] [ 1074.186432][T25542] Uninit was stored to memory at: [ 1074.191480][T25542] kmsan_internal_chain_origin+0xad/0x130 [ 1074.197407][T25542] __msan_chain_origin+0x54/0xa0 [ 1074.202356][T25542] do_recvmmsg+0x17fc/0x22d0 [ 1074.206962][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.211927][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.216784][T25542] do_syscall_64+0x9f/0x140 [ 1074.221313][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.227228][T25542] [ 1074.229548][T25542] Uninit was stored to memory at: [ 1074.234556][T25542] kmsan_internal_chain_origin+0xad/0x130 [ 1074.240309][T25542] __msan_chain_origin+0x54/0xa0 [ 1074.245266][T25542] do_recvmmsg+0x17fc/0x22d0 [ 1074.249861][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.254804][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.259690][T25542] do_syscall_64+0x9f/0x140 [ 1074.264204][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.270097][T25542] [ 1074.272413][T25542] Uninit was stored to memory at: [ 1074.277625][T25542] kmsan_internal_chain_origin+0xad/0x130 [ 1074.283366][T25542] __msan_chain_origin+0x54/0xa0 [ 1074.288340][T25542] do_recvmmsg+0x17fc/0x22d0 [ 1074.292961][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.297927][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.302890][T25542] do_syscall_64+0x9f/0x140 [ 1074.307402][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.313327][T25542] [ 1074.315675][T25542] Uninit was stored to memory at: [ 1074.320708][T25542] kmsan_internal_chain_origin+0xad/0x130 [ 1074.326443][T25542] __msan_chain_origin+0x54/0xa0 [ 1074.331394][T25542] do_recvmmsg+0x17fc/0x22d0 [ 1074.336001][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.340937][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.345898][T25542] do_syscall_64+0x9f/0x140 [ 1074.350446][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.356362][T25542] [ 1074.358683][T25542] Uninit was stored to memory at: [ 1074.363693][T25542] kmsan_internal_chain_origin+0xad/0x130 [ 1074.369419][T25542] __msan_chain_origin+0x54/0xa0 [ 1074.374367][T25542] do_recvmmsg+0x17fc/0x22d0 [ 1074.379088][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.384270][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.390003][T25542] do_syscall_64+0x9f/0x140 [ 1074.394530][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.400422][T25542] [ 1074.402741][T25542] Uninit was stored to memory at: [ 1074.407764][T25542] kmsan_internal_chain_origin+0xad/0x130 [ 1074.413525][T25542] __msan_chain_origin+0x54/0xa0 [ 1074.418569][T25542] do_recvmmsg+0x17fc/0x22d0 [ 1074.423183][T25542] __se_sys_recvmmsg+0x24a/0x410 [ 1074.428161][T25542] __x64_sys_recvmmsg+0x62/0x80 [ 1074.433024][T25542] do_syscall_64+0x9f/0x140 [ 1074.437539][T25542] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.443484][T25542] [ 1074.445837][T25542] Local variable ----msg_sys@do_recvmmsg created at: [ 1074.452503][T25542] do_recvmmsg+0xbf/0x22d0 [ 1074.456953][T25542] do_recvmmsg+0xbf/0x22d0 [ 1074.624251][T25543] not chained 530000 origins [ 1074.628985][T25543] CPU: 0 PID: 25543 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1074.638130][T25543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1074.648192][T25543] Call Trace: [ 1074.651483][T25543] dump_stack+0x24c/0x2e0 [ 1074.655964][T25543] kmsan_internal_chain_origin+0x6f/0x130 [ 1074.662159][T25543] ? kmsan_get_metadata+0x116/0x180 [ 1074.667409][T25543] ? kmsan_internal_check_memory+0xb5/0x520 [ 1074.673526][T25543] ? kmsan_internal_set_origin+0x85/0xc0 [ 1074.679573][T25543] ? kmsan_get_metadata+0x116/0x180 [ 1074.684792][T25543] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1074.690664][T25543] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1074.696745][T25543] ? kmsan_get_metadata+0x116/0x180 [ 1074.701968][T25543] ? kmsan_internal_set_origin+0x85/0xc0 [ 1074.708042][T25543] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1074.714244][T25543] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1074.719725][T25543] ? _copy_from_user+0x1fd/0x300 [ 1074.724671][T25543] ? kmsan_get_metadata+0x116/0x180 [ 1074.729977][T25543] __msan_chain_origin+0x54/0xa0 [ 1074.734921][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1074.739638][T25543] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1074.745488][T25543] ? kmsan_internal_set_origin+0x85/0xc0 [ 1074.751231][T25543] ? __msan_poison_alloca+0xec/0x110 [ 1074.756537][T25543] ? __msan_instrument_asm_store+0x107/0x130 [ 1074.762861][T25543] ? __se_sys_recvmmsg+0xd6/0x410 [ 1074.767999][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1074.772967][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1074.777862][T25543] do_syscall_64+0x9f/0x140 [ 1074.782373][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.788418][T25543] RIP: 0033:0x4665d9 [ 1074.792324][T25543] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1074.812044][T25543] RSP: 002b:00007fc06e589188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1074.820531][T25543] RAX: ffffffffffffffda RBX: 000000000056c0b0 RCX: 00000000004665d9 [ 1074.828507][T25543] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1074.836479][T25543] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1074.844479][T25543] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0b0 [ 1074.852481][T25543] R13: 0000000000a9fb1f R14: 00007fc06e589300 R15: 0000000000022000 [ 1074.860470][T25543] Uninit was stored to memory at: [ 1074.865507][T25543] kmsan_internal_chain_origin+0xad/0x130 [ 1074.871244][T25543] __msan_chain_origin+0x54/0xa0 [ 1074.876186][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1074.880796][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1074.885823][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1074.890695][T25543] do_syscall_64+0x9f/0x140 [ 1074.895222][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.901122][T25543] [ 1074.903442][T25543] Uninit was stored to memory at: [ 1074.908501][T25543] kmsan_internal_chain_origin+0xad/0x130 [ 1074.914298][T25543] __msan_chain_origin+0x54/0xa0 [ 1074.919259][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1074.923874][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1074.928817][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1074.933703][T25543] do_syscall_64+0x9f/0x140 [ 1074.938217][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.944152][T25543] [ 1074.946564][T25543] Uninit was stored to memory at: [ 1074.951609][T25543] kmsan_internal_chain_origin+0xad/0x130 [ 1074.957396][T25543] __msan_chain_origin+0x54/0xa0 [ 1074.962341][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1074.966983][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1074.972019][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1074.976889][T25543] do_syscall_64+0x9f/0x140 [ 1074.981425][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1074.987329][T25543] [ 1074.989649][T25543] Uninit was stored to memory at: [ 1074.994791][T25543] kmsan_internal_chain_origin+0xad/0x130 [ 1075.000546][T25543] __msan_chain_origin+0x54/0xa0 [ 1075.005486][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1075.010083][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1075.015027][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1075.019894][T25543] do_syscall_64+0x9f/0x140 [ 1075.024420][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1075.030668][T25543] [ 1075.032986][T25543] Uninit was stored to memory at: [ 1075.037996][T25543] kmsan_internal_chain_origin+0xad/0x130 [ 1075.043777][T25543] __msan_chain_origin+0x54/0xa0 [ 1075.048720][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1075.053334][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1075.058292][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1075.063148][T25543] do_syscall_64+0x9f/0x140 [ 1075.067663][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1075.073559][T25543] [ 1075.075896][T25543] Uninit was stored to memory at: [ 1075.081009][T25543] kmsan_internal_chain_origin+0xad/0x130 [ 1075.086730][T25543] __msan_chain_origin+0x54/0xa0 [ 1075.091666][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1075.096278][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1075.101216][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1075.106085][T25543] do_syscall_64+0x9f/0x140 [ 1075.110606][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1075.116567][T25543] [ 1075.118895][T25543] Uninit was stored to memory at: [ 1075.123917][T25543] kmsan_internal_chain_origin+0xad/0x130 [ 1075.129642][T25543] __msan_chain_origin+0x54/0xa0 [ 1075.134587][T25543] do_recvmmsg+0x17fc/0x22d0 [ 1075.139181][T25543] __se_sys_recvmmsg+0x24a/0x410 [ 1075.144247][T25543] __x64_sys_recvmmsg+0x62/0x80 [ 1075.149108][T25543] do_syscall_64+0x9f/0x140 [ 1075.153620][T25543] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1075.159519][T25543] [ 1075.161852][T25543] Local variable ----msg_sys@do_recvmmsg created at: [ 1075.168555][T25543] do_recvmmsg+0xbf/0x22d0 [ 1075.172980][T25543] do_recvmmsg+0xbf/0x22d0 00:32:19 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000140)=""/163, 0x100000345, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000005c0)=[{{0x0, 0xfffffffffffffea3, 0x0}}], 0x3ffffffffffff62, 0x0, 0x0) sendto$inet(r1, 0x0, 0xd, 0x0, 0x0, 0x0) 00:32:19 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0xa00}, 0x0) 00:32:19 executing program 5: r0 = syz_open_dev$vim2m(&(0x7f0000000100), 0x3, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000140)={0x1, @pix_mp={0x0, 0x0, 0x32314d4e}}) 00:32:19 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000000c0)=@newlink={0x34, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_NET_NS_FD={0x8}, @IFLA_AF_SPEC={0x4}]}, 0x34}}, 0x0) 00:32:19 executing program 3: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) clone(0x4000000000003fe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socket(0x20000000000000a, 0x3, 0x0) 00:32:19 executing program 4: perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x2, 0x4, 0xcc, 0x9}, 0x40) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xc, 0x4, 0x4, 0x40000001, 0x0, r0}, 0x40) [ 1075.510713][T25611] openvswitch: netlink: Message has 2 unknown bytes. 00:32:19 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000140)=""/163, 0x100000345, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000005c0)=[{{0x0, 0xfffffffffffffea3, 0x0}}], 0x3ffffffffffff62, 0x0, 0x0) sendto$inet(r1, 0x0, 0xd, 0x0, 0x0, 0x0) 00:32:19 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000000c0)=@newlink={0x34, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_NET_NS_FD={0x8}, @IFLA_AF_SPEC={0x4}]}, 0x34}}, 0x0) 00:32:20 executing program 4: perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x2, 0x4, 0xcc, 0x9}, 0x40) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xc, 0x4, 0x4, 0x40000001, 0x0, r0}, 0x40) [ 1076.085759][T25624] not chained 540000 origins [ 1076.090403][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1076.099195][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1076.109303][T25624] Call Trace: [ 1076.112795][T25624] dump_stack+0x24c/0x2e0 [ 1076.117188][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1076.122958][T25624] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1076.128907][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1076.134172][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1076.140114][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1076.145796][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1076.151036][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1076.156881][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1076.163006][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1076.168522][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1076.174283][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1076.180387][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1076.185797][T25624] ? _copy_from_user+0x1fd/0x300 [ 1076.190783][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1076.196018][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.201007][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.205655][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1076.211323][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1076.216664][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1076.221907][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1076.226986][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.231983][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.236886][T25624] do_syscall_64+0x9f/0x140 [ 1076.241442][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.247403][T25624] RIP: 0033:0x4665d9 [ 1076.251353][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1076.270997][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1076.279458][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1076.287469][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1076.295478][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1076.303510][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1076.311538][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1076.319555][T25624] Uninit was stored to memory at: [ 1076.324596][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1076.330353][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.335340][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.339967][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.345049][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.349951][T25624] do_syscall_64+0x9f/0x140 [ 1076.354521][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.360471][T25624] [ 1076.362836][T25624] Uninit was stored to memory at: [ 1076.367861][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1076.373626][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.378961][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.383763][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.388756][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.393661][T25624] do_syscall_64+0x9f/0x140 [ 1076.398202][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.404152][T25624] [ 1076.406558][T25624] Uninit was stored to memory at: [ 1076.411593][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1076.417358][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.422335][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.426967][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.432044][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.436933][T25624] do_syscall_64+0x9f/0x140 [ 1076.441476][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.447434][T25624] [ 1076.449773][T25624] Uninit was stored to memory at: [ 1076.454797][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1076.460561][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.465539][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.470172][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.475169][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.480076][T25624] do_syscall_64+0x9f/0x140 [ 1076.484628][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.490561][T25624] [ 1076.492902][T25624] Uninit was stored to memory at: [ 1076.497928][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1076.503705][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.508682][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.513304][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.518276][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.523169][T25624] do_syscall_64+0x9f/0x140 [ 1076.527721][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.533681][T25624] [ 1076.536033][T25624] Uninit was stored to memory at: [ 1076.541075][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1076.546850][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.551850][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.556486][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.561481][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.566386][T25624] do_syscall_64+0x9f/0x140 [ 1076.570940][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.576884][T25624] [ 1076.579257][T25624] Uninit was stored to memory at: [ 1076.584293][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1076.590184][T25624] __msan_chain_origin+0x54/0xa0 [ 1076.595187][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1076.599831][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1076.604816][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1076.609741][T25624] do_syscall_64+0x9f/0x140 [ 1076.614292][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1076.620232][T25624] [ 1076.622578][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1076.629275][T25624] do_recvmmsg+0xbf/0x22d0 00:32:20 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0xa35}, 0x0) 00:32:20 executing program 5: r0 = syz_open_dev$vim2m(&(0x7f0000000100), 0x3, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000140)={0x1, @pix_mp={0x0, 0x0, 0x32314d4e}}) [ 1076.634345][T25624] do_recvmmsg+0xbf/0x22d0 [ 1076.934709][T25632] openvswitch: netlink: Message has 2 unknown bytes. 00:32:21 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000000c0)=@newlink={0x34, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_NET_NS_FD={0x8}, @IFLA_AF_SPEC={0x4}]}, 0x34}}, 0x0) [ 1077.334627][T25621] not chained 550000 origins [ 1077.339280][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1077.348073][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1077.358180][T25621] Call Trace: [ 1077.362016][T25621] dump_stack+0x24c/0x2e0 [ 1077.366437][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1077.372237][T25621] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1077.378096][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1077.383493][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1077.389430][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1077.395219][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1077.400478][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1077.406350][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1077.412502][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1077.417750][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1077.423423][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1077.429530][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1077.434873][T25621] ? _copy_from_user+0x1fd/0x300 [ 1077.439849][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1077.445095][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.450942][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.455587][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1077.461279][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1077.466632][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1077.471902][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1077.476974][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.482094][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.486999][T25621] do_syscall_64+0x9f/0x140 [ 1077.491547][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.497476][T25621] RIP: 0033:0x4665d9 [ 1077.501395][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1077.521031][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1077.529516][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1077.537530][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1077.545539][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1077.553635][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1077.561647][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1077.569687][T25621] Uninit was stored to memory at: [ 1077.574738][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1077.580520][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.585497][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.590154][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.595137][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.600035][T25621] do_syscall_64+0x9f/0x140 [ 1077.604588][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.610531][T25621] [ 1077.612883][T25621] Uninit was stored to memory at: [ 1077.617923][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1077.623692][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.628676][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.633338][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.638487][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.643387][T25621] do_syscall_64+0x9f/0x140 [ 1077.647951][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.653889][T25621] [ 1077.656241][T25621] Uninit was stored to memory at: [ 1077.661284][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1077.667055][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.672106][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.676744][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.681758][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.686658][T25621] do_syscall_64+0x9f/0x140 [ 1077.691206][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.697152][T25621] [ 1077.699521][T25621] Uninit was stored to memory at: [ 1077.704565][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1077.710596][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.715669][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.720305][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.725297][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.730202][T25621] do_syscall_64+0x9f/0x140 [ 1077.734882][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.740834][T25621] [ 1077.743180][T25621] Uninit was stored to memory at: [ 1077.748266][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1077.754039][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.759031][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.763679][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.768667][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.773567][T25621] do_syscall_64+0x9f/0x140 [ 1077.778132][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.784072][T25621] [ 1077.786419][T25621] Uninit was stored to memory at: [ 1077.791464][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1077.797245][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.802256][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.806897][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.811905][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.816921][T25621] do_syscall_64+0x9f/0x140 [ 1077.821473][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.827436][T25621] [ 1077.829785][T25621] Uninit was stored to memory at: [ 1077.834840][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1077.840613][T25621] __msan_chain_origin+0x54/0xa0 [ 1077.845661][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1077.850295][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1077.855274][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1077.860165][T25621] do_syscall_64+0x9f/0x140 [ 1077.864717][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1077.870685][T25621] [ 1077.873073][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1077.879766][T25621] do_recvmmsg+0xbf/0x22d0 [ 1077.884228][T25621] do_recvmmsg+0xbf/0x22d0 [ 1078.399492][T25624] not chained 560000 origins [ 1078.404142][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1078.413026][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1078.423122][T25624] Call Trace: [ 1078.426459][T25624] dump_stack+0x24c/0x2e0 [ 1078.430869][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1078.436637][T25624] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1078.442490][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1078.447760][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1078.453709][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1078.459389][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1078.464635][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1078.470511][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1078.476881][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1078.482145][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1078.487813][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1078.494018][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1078.499355][T25624] ? _copy_from_user+0x1fd/0x300 [ 1078.504359][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1078.509604][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.514577][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.519227][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1078.524895][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1078.530225][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1078.535459][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1078.540530][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.545513][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.550403][T25624] do_syscall_64+0x9f/0x140 [ 1078.554950][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.560895][T25624] RIP: 0033:0x4665d9 [ 1078.564842][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1078.584839][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1078.593307][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1078.601316][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1078.609325][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1078.617383][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1078.625411][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1078.633424][T25624] Uninit was stored to memory at: [ 1078.638485][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1078.644305][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.649382][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.654020][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.659009][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.663911][T25624] do_syscall_64+0x9f/0x140 [ 1078.668484][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.674527][T25624] [ 1078.676879][T25624] Uninit was stored to memory at: [ 1078.682194][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1078.687964][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.693300][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.698049][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.703043][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.707952][T25624] do_syscall_64+0x9f/0x140 [ 1078.712502][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.718441][T25624] [ 1078.720791][T25624] Uninit was stored to memory at: [ 1078.725960][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1078.731728][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.736714][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.741352][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.746363][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.751273][T25624] do_syscall_64+0x9f/0x140 [ 1078.755829][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.761776][T25624] [ 1078.764122][T25624] Uninit was stored to memory at: [ 1078.769187][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1078.774981][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.779968][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.784630][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.789612][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.794522][T25624] do_syscall_64+0x9f/0x140 [ 1078.799085][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.805028][T25624] [ 1078.807392][T25624] Uninit was stored to memory at: [ 1078.812452][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1078.818212][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.823192][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.827846][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.832829][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.837725][T25624] do_syscall_64+0x9f/0x140 [ 1078.842280][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.848222][T25624] [ 1078.850562][T25624] Uninit was stored to memory at: [ 1078.855598][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1078.861358][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.866346][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.870998][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.875988][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.880885][T25624] do_syscall_64+0x9f/0x140 [ 1078.885434][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.891365][T25624] [ 1078.893711][T25624] Uninit was stored to memory at: [ 1078.898754][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1078.904523][T25624] __msan_chain_origin+0x54/0xa0 [ 1078.909515][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1078.914185][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1078.919160][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1078.924069][T25624] do_syscall_64+0x9f/0x140 [ 1078.928614][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1078.934571][T25624] [ 1078.936913][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1078.943593][T25624] do_recvmmsg+0xbf/0x22d0 [ 1078.948051][T25624] do_recvmmsg+0xbf/0x22d0 [ 1079.296532][T25621] not chained 570000 origins [ 1079.301373][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1079.310190][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1079.320276][T25621] Call Trace: [ 1079.323585][T25621] dump_stack+0x24c/0x2e0 [ 1079.327996][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1079.333843][T25621] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1079.339721][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1079.344959][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1079.350899][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1079.356587][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1079.361864][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1079.367715][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1079.373851][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1079.379092][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1079.384794][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1079.390906][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1079.396244][T25621] ? _copy_from_user+0x1fd/0x300 [ 1079.401224][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1079.406484][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.411467][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.416113][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1079.421782][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1079.427104][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1079.432365][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1079.437440][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.442422][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.447323][T25621] do_syscall_64+0x9f/0x140 [ 1079.451891][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.457834][T25621] RIP: 0033:0x4665d9 [ 1079.461798][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1079.481451][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1079.489937][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1079.498090][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1079.506228][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1079.514351][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1079.522363][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1079.530387][T25621] Uninit was stored to memory at: [ 1079.535438][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1079.541302][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.546286][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.550951][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.556026][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.560932][T25621] do_syscall_64+0x9f/0x140 [ 1079.565495][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.571713][T25621] [ 1079.574065][T25621] Uninit was stored to memory at: [ 1079.579103][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1079.584887][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.589963][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.594633][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.599646][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.604558][T25621] do_syscall_64+0x9f/0x140 [ 1079.609104][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.615041][T25621] [ 1079.617391][T25621] Uninit was stored to memory at: [ 1079.622474][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1079.628244][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.633227][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.637860][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.642849][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.647845][T25621] do_syscall_64+0x9f/0x140 [ 1079.652394][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.658331][T25621] [ 1079.660696][T25621] Uninit was stored to memory at: [ 1079.665741][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1079.671509][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.676518][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.681159][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.686149][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.691049][T25621] do_syscall_64+0x9f/0x140 [ 1079.695629][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.701925][T25621] [ 1079.704288][T25621] Uninit was stored to memory at: [ 1079.709328][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1079.715120][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.720120][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.724760][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.729891][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.734796][T25621] do_syscall_64+0x9f/0x140 [ 1079.739348][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.745406][T25621] [ 1079.747750][T25621] Uninit was stored to memory at: [ 1079.752790][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1079.758558][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.763538][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.768170][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.773147][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.778044][T25621] do_syscall_64+0x9f/0x140 [ 1079.782856][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.788973][T25621] [ 1079.791331][T25621] Uninit was stored to memory at: [ 1079.796375][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1079.802305][T25621] __msan_chain_origin+0x54/0xa0 [ 1079.807285][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1079.811915][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1079.816907][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1079.821809][T25621] do_syscall_64+0x9f/0x140 [ 1079.826367][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1079.832309][T25621] [ 1079.834653][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1079.841336][T25621] do_recvmmsg+0xbf/0x22d0 [ 1079.845794][T25621] do_recvmmsg+0xbf/0x22d0 [ 1080.190057][T25624] not chained 580000 origins [ 1080.194705][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1080.203505][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1080.213681][T25624] Call Trace: [ 1080.216995][T25624] dump_stack+0x24c/0x2e0 [ 1080.221369][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1080.227153][T25624] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1080.233022][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1080.238268][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1080.244208][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1080.249878][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1080.255143][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1080.260992][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1080.267095][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1080.272330][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1080.277997][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1080.284103][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1080.289431][T25624] ? _copy_from_user+0x1fd/0x300 [ 1080.294407][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1080.299654][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.304639][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.309276][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1080.314973][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1080.320311][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1080.325556][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1080.330621][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.335632][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.340512][T25624] do_syscall_64+0x9f/0x140 [ 1080.345063][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.351020][T25624] RIP: 0033:0x4665d9 [ 1080.354946][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1080.374581][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1080.383708][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1080.391727][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1080.399758][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1080.407860][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1080.416752][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1080.424773][T25624] Uninit was stored to memory at: [ 1080.429835][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1080.435598][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.440580][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.445219][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.450226][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.455236][T25624] do_syscall_64+0x9f/0x140 [ 1080.459787][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.465729][T25624] [ 1080.468083][T25624] Uninit was stored to memory at: [ 1080.473121][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1080.478896][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.483890][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.488537][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.493532][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.498429][T25624] do_syscall_64+0x9f/0x140 [ 1080.502987][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.508940][T25624] [ 1080.511298][T25624] Uninit was stored to memory at: [ 1080.516334][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1080.522114][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.527093][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.531725][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.536819][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.541713][T25624] do_syscall_64+0x9f/0x140 [ 1080.546269][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.552251][T25624] [ 1080.554602][T25624] Uninit was stored to memory at: [ 1080.559646][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1080.565437][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.570447][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.575101][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.580096][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.585009][T25624] do_syscall_64+0x9f/0x140 [ 1080.589568][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.595516][T25624] [ 1080.597863][T25624] Uninit was stored to memory at: [ 1080.603017][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1080.608968][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.613950][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.618590][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.624351][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.629438][T25624] do_syscall_64+0x9f/0x140 [ 1080.634086][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.641667][T25624] [ 1080.644092][T25624] Uninit was stored to memory at: [ 1080.649556][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1080.655335][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.660797][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.665699][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.670768][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.677176][T25624] do_syscall_64+0x9f/0x140 [ 1080.682075][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.688036][T25624] [ 1080.690772][T25624] Uninit was stored to memory at: [ 1080.695898][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1080.702027][T25624] __msan_chain_origin+0x54/0xa0 [ 1080.707019][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1080.711661][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1080.716648][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1080.721563][T25624] do_syscall_64+0x9f/0x140 [ 1080.726119][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1080.732151][T25624] [ 1080.734503][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1080.741213][T25624] do_recvmmsg+0xbf/0x22d0 [ 1080.745680][T25624] do_recvmmsg+0xbf/0x22d0 [ 1081.039916][T25621] not chained 590000 origins [ 1081.044823][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1081.053640][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1081.063728][T25621] Call Trace: [ 1081.067047][T25621] dump_stack+0x24c/0x2e0 [ 1081.071434][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1081.077220][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1081.082474][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1081.088450][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1081.094153][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1081.099395][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1081.105252][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1081.111362][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1081.116623][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1081.122293][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1081.128409][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1081.133734][T25621] ? _copy_from_user+0x1fd/0x300 [ 1081.138752][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1081.143990][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.149152][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.153785][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1081.159465][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1081.164801][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1081.170141][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1081.175228][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.180221][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.185109][T25621] do_syscall_64+0x9f/0x140 [ 1081.189648][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.195707][T25621] RIP: 0033:0x4665d9 [ 1081.199635][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1081.219404][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1081.228122][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1081.236268][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1081.244276][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1081.252373][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1081.260387][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1081.268408][T25621] Uninit was stored to memory at: [ 1081.273809][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1081.279581][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.284579][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.289219][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.294218][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.299149][T25621] do_syscall_64+0x9f/0x140 [ 1081.303728][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.309670][T25621] [ 1081.312017][T25621] Uninit was stored to memory at: [ 1081.317076][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1081.322856][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.327861][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.332504][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.337490][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.342385][T25621] do_syscall_64+0x9f/0x140 [ 1081.346934][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.352886][T25621] [ 1081.355268][T25621] Uninit was stored to memory at: [ 1081.360307][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1081.366070][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.371052][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.375698][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.380712][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.385616][T25621] do_syscall_64+0x9f/0x140 [ 1081.390165][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.396106][T25621] [ 1081.398459][T25621] Uninit was stored to memory at: [ 1081.403489][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1081.409266][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.414266][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.418906][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.423890][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.428803][T25621] do_syscall_64+0x9f/0x140 [ 1081.433354][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.439295][T25621] [ 1081.441640][T25621] Uninit was stored to memory at: [ 1081.446676][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1081.452439][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.457424][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.462151][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.467143][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.472046][T25621] do_syscall_64+0x9f/0x140 [ 1081.476605][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.482541][T25621] [ 1081.484915][T25621] Uninit was stored to memory at: [ 1081.490061][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1081.495837][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.500832][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.505472][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.510449][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.515349][T25621] do_syscall_64+0x9f/0x140 [ 1081.519894][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.525921][T25621] [ 1081.528268][T25621] Uninit was stored to memory at: [ 1081.533306][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1081.539065][T25621] __msan_chain_origin+0x54/0xa0 [ 1081.544044][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1081.548694][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1081.553673][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1081.558762][T25621] do_syscall_64+0x9f/0x140 [ 1081.563314][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.569429][T25621] [ 1081.571796][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1081.578515][T25621] do_recvmmsg+0xbf/0x22d0 [ 1081.583770][T25621] do_recvmmsg+0xbf/0x22d0 [ 1081.758054][T25624] not chained 600000 origins [ 1081.762864][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1081.772239][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1081.782409][T25624] Call Trace: [ 1081.785693][T25624] dump_stack+0x24c/0x2e0 [ 1081.790029][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1081.795772][T25624] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1081.801703][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1081.807063][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1081.812983][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1081.818656][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1081.823885][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1081.829716][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1081.836624][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1081.841935][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1081.847586][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1081.857245][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1081.862550][T25624] ? _copy_from_user+0x1fd/0x300 [ 1081.872600][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1081.877906][T25624] __msan_chain_origin+0x54/0xa0 [ 1081.882872][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1081.887486][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1081.893243][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1081.898570][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1081.903780][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1081.909037][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1081.913986][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1081.918948][T25624] do_syscall_64+0x9f/0x140 [ 1081.923457][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1081.930320][T25624] RIP: 0033:0x4665d9 [ 1081.934237][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1081.954059][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1081.962700][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1081.970780][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1081.978944][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1081.987065][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1081.995163][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1082.003150][T25624] Uninit was stored to memory at: [ 1082.008185][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1082.013908][T25624] __msan_chain_origin+0x54/0xa0 [ 1082.018850][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1082.023456][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1082.028397][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1082.033306][T25624] do_syscall_64+0x9f/0x140 [ 1082.037854][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.043770][T25624] [ 1082.046086][T25624] Uninit was stored to memory at: [ 1082.051090][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1082.056814][T25624] __msan_chain_origin+0x54/0xa0 [ 1082.061930][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1082.066636][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1082.071601][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1082.076476][T25624] do_syscall_64+0x9f/0x140 [ 1082.081003][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.086898][T25624] [ 1082.089213][T25624] Uninit was stored to memory at: [ 1082.094317][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1082.100065][T25624] __msan_chain_origin+0x54/0xa0 [ 1082.105034][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1082.109689][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1082.114639][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1082.119492][T25624] do_syscall_64+0x9f/0x140 [ 1082.123998][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.129992][T25624] [ 1082.132410][T25624] Uninit was stored to memory at: [ 1082.137448][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1082.143301][T25624] __msan_chain_origin+0x54/0xa0 [ 1082.148282][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1082.152893][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1082.157832][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1082.162706][T25624] do_syscall_64+0x9f/0x140 [ 1082.167213][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.173220][T25624] [ 1082.175552][T25624] Uninit was stored to memory at: [ 1082.180560][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1082.186291][T25624] __msan_chain_origin+0x54/0xa0 [ 1082.191248][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1082.195867][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1082.200809][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1082.205677][T25624] do_syscall_64+0x9f/0x140 [ 1082.210285][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.216358][T25624] [ 1082.218680][T25624] Uninit was stored to memory at: [ 1082.223779][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1082.230817][T25624] __msan_chain_origin+0x54/0xa0 [ 1082.235760][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1082.240360][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1082.245342][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1082.250200][T25624] do_syscall_64+0x9f/0x140 [ 1082.254735][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.260648][T25624] [ 1082.262968][T25624] Uninit was stored to memory at: [ 1082.267994][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1082.273741][T25624] __msan_chain_origin+0x54/0xa0 [ 1082.278683][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1082.283274][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1082.288436][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1082.293290][T25624] do_syscall_64+0x9f/0x140 [ 1082.297819][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.303721][T25624] [ 1082.306042][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1082.312860][T25624] do_recvmmsg+0xbf/0x22d0 [ 1082.317288][T25624] do_recvmmsg+0xbf/0x22d0 [ 1082.475824][T25621] not chained 610000 origins [ 1082.480702][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1082.489573][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1082.499636][T25621] Call Trace: [ 1082.502945][T25621] dump_stack+0x24c/0x2e0 [ 1082.507329][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1082.513517][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1082.518740][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1082.524668][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1082.530366][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1082.535704][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1082.541559][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1082.547954][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1082.553306][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1082.558983][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1082.565197][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1082.570528][T25621] ? _copy_from_user+0x1fd/0x300 [ 1082.575534][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1082.580754][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.585886][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.590489][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1082.596279][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1082.601595][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1082.606837][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1082.611931][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.616896][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.621931][T25621] do_syscall_64+0x9f/0x140 [ 1082.626444][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.632566][T25621] RIP: 0033:0x4665d9 [ 1082.636484][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1082.656564][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1082.665004][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1082.672998][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1082.680973][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1082.688968][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1082.696957][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1082.705048][T25621] Uninit was stored to memory at: [ 1082.710174][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1082.715926][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.720974][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.725593][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.730544][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.735407][T25621] do_syscall_64+0x9f/0x140 [ 1082.739935][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.745936][T25621] [ 1082.748350][T25621] Uninit was stored to memory at: [ 1082.753385][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1082.759123][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.764067][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.768756][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.773831][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.778683][T25621] do_syscall_64+0x9f/0x140 [ 1082.783194][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.789091][T25621] [ 1082.791495][T25621] Uninit was stored to memory at: [ 1082.796628][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1082.802349][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.807634][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.812238][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.817190][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.822050][T25621] do_syscall_64+0x9f/0x140 [ 1082.826584][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.832604][T25621] [ 1082.834944][T25621] Uninit was stored to memory at: [ 1082.840487][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1082.846219][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.851158][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.855766][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.860713][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.865561][T25621] do_syscall_64+0x9f/0x140 [ 1082.870084][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.875993][T25621] [ 1082.878314][T25621] Uninit was stored to memory at: [ 1082.883335][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1082.889099][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.894039][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.898753][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.903705][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.908595][T25621] do_syscall_64+0x9f/0x140 [ 1082.913113][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.919014][T25621] [ 1082.921328][T25621] Uninit was stored to memory at: [ 1082.926333][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1082.932073][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.937017][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.941631][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.946595][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.951482][T25621] do_syscall_64+0x9f/0x140 [ 1082.956006][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1082.961932][T25621] [ 1082.964251][T25621] Uninit was stored to memory at: [ 1082.969257][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1082.975099][T25621] __msan_chain_origin+0x54/0xa0 [ 1082.980036][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1082.984692][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1082.989842][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1082.994736][T25621] do_syscall_64+0x9f/0x140 [ 1082.999244][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.005139][T25621] [ 1083.007457][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1083.014110][T25621] do_recvmmsg+0xbf/0x22d0 [ 1083.018549][T25621] do_recvmmsg+0xbf/0x22d0 [ 1083.192999][T25624] not chained 620000 origins [ 1083.197781][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1083.206645][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1083.216802][T25624] Call Trace: [ 1083.220116][T25624] dump_stack+0x24c/0x2e0 [ 1083.224476][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1083.230301][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1083.235515][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1083.241418][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1083.247162][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1083.252383][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1083.258197][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1083.264281][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1083.269535][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1083.275194][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1083.281291][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1083.286603][T25624] ? _copy_from_user+0x1fd/0x300 [ 1083.291554][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1083.296796][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.301767][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.306397][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1083.312066][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1083.317543][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1083.323884][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1083.328933][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.333883][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.338871][T25624] do_syscall_64+0x9f/0x140 [ 1083.346626][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.352547][T25624] RIP: 0033:0x4665d9 [ 1083.356443][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1083.378191][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1083.386788][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1083.394764][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1083.402741][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1083.411955][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1083.420057][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1083.428908][T25624] Uninit was stored to memory at: [ 1083.433929][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1083.439669][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.444611][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.449207][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.454152][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.459011][T25624] do_syscall_64+0x9f/0x140 [ 1083.463534][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.469457][T25624] [ 1083.471911][T25624] Uninit was stored to memory at: [ 1083.476919][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1083.482645][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.487710][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.492375][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.497583][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.502447][T25624] do_syscall_64+0x9f/0x140 [ 1083.506965][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.512855][T25624] [ 1083.515180][T25624] Uninit was stored to memory at: [ 1083.520221][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1083.525943][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.530888][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.535493][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.540455][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.545416][T25624] do_syscall_64+0x9f/0x140 [ 1083.549951][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.555842][T25624] [ 1083.558220][T25624] Uninit was stored to memory at: [ 1083.563248][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1083.569021][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.573973][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.578571][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.583524][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.588555][T25624] do_syscall_64+0x9f/0x140 [ 1083.593174][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.599926][T25624] [ 1083.602296][T25624] Uninit was stored to memory at: [ 1083.607348][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1083.613362][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.618380][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.623004][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.628234][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.633114][T25624] do_syscall_64+0x9f/0x140 [ 1083.637787][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.643724][T25624] [ 1083.646048][T25624] Uninit was stored to memory at: [ 1083.651052][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1083.656789][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.661749][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.666372][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.671337][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.676369][T25624] do_syscall_64+0x9f/0x140 [ 1083.680885][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.686798][T25624] [ 1083.689218][T25624] Uninit was stored to memory at: [ 1083.694255][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1083.700005][T25624] __msan_chain_origin+0x54/0xa0 [ 1083.704959][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1083.709561][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1083.714595][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1083.719452][T25624] do_syscall_64+0x9f/0x140 [ 1083.723961][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1083.729880][T25624] [ 1083.732224][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1083.738973][T25624] do_recvmmsg+0xbf/0x22d0 [ 1083.743525][T25624] do_recvmmsg+0xbf/0x22d0 [ 1083.911703][T25621] not chained 630000 origins [ 1083.916332][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1083.925094][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1083.935313][T25621] Call Trace: [ 1083.938709][T25621] dump_stack+0x24c/0x2e0 [ 1083.943102][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1083.948953][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1083.954203][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1083.960375][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1083.966037][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1083.971368][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1083.977184][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1083.983273][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1083.988549][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1083.994200][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1084.000300][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1084.005595][T25621] ? _copy_from_user+0x1fd/0x300 [ 1084.010540][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1084.015739][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.020680][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.025279][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1084.031180][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1084.036465][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1084.041674][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1084.046811][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.051765][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.056643][T25621] do_syscall_64+0x9f/0x140 [ 1084.061153][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.067058][T25621] RIP: 0033:0x4665d9 [ 1084.070954][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1084.090755][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1084.099196][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1084.107188][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1084.115178][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1084.123321][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1084.131344][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1084.139352][T25621] Uninit was stored to memory at: [ 1084.144387][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1084.150183][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.155135][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.159764][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.164725][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.169582][T25621] do_syscall_64+0x9f/0x140 [ 1084.174110][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.180015][T25621] [ 1084.182353][T25621] Uninit was stored to memory at: [ 1084.187360][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1084.193086][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.198051][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.202655][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.207599][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.212454][T25621] do_syscall_64+0x9f/0x140 [ 1084.217019][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.222927][T25621] [ 1084.225243][T25621] Uninit was stored to memory at: [ 1084.230374][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1084.236558][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.241499][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.246144][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.251091][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.255963][T25621] do_syscall_64+0x9f/0x140 [ 1084.260507][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.266429][T25621] [ 1084.268763][T25621] Uninit was stored to memory at: [ 1084.273790][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1084.279890][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.284832][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.289439][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.294474][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.299328][T25621] do_syscall_64+0x9f/0x140 [ 1084.304307][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.310788][T25621] [ 1084.313109][T25621] Uninit was stored to memory at: [ 1084.318132][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1084.324447][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.329497][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.334099][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.339083][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.344087][T25621] do_syscall_64+0x9f/0x140 [ 1084.348593][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.354508][T25621] [ 1084.356826][T25621] Uninit was stored to memory at: [ 1084.361845][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1084.367568][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.373071][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.377722][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.382682][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.387554][T25621] do_syscall_64+0x9f/0x140 [ 1084.392862][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.399062][T25621] [ 1084.401384][T25621] Uninit was stored to memory at: [ 1084.406406][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1084.412481][T25621] __msan_chain_origin+0x54/0xa0 [ 1084.417454][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1084.422060][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1084.427013][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1084.431929][T25621] do_syscall_64+0x9f/0x140 [ 1084.436709][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.442716][T25621] [ 1084.445061][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1084.451738][T25621] do_recvmmsg+0xbf/0x22d0 [ 1084.456196][T25621] do_recvmmsg+0xbf/0x22d0 [ 1084.631921][T25624] not chained 640000 origins [ 1084.636593][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1084.645376][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1084.655453][T25624] Call Trace: [ 1084.658827][T25624] dump_stack+0x24c/0x2e0 [ 1084.663172][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1084.669040][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1084.674277][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1084.680312][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1084.685985][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1084.691207][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1084.697036][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1084.703590][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1084.708824][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1084.714493][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1084.721097][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1084.726404][T25624] ? _copy_from_user+0x1fd/0x300 [ 1084.731440][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1084.736684][T25624] __msan_chain_origin+0x54/0xa0 [ 1084.741755][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1084.746359][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1084.752009][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1084.757307][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1084.762531][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1084.767575][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1084.772629][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1084.777515][T25624] do_syscall_64+0x9f/0x140 [ 1084.782029][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.787952][T25624] RIP: 0033:0x4665d9 [ 1084.791870][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1084.811599][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1084.820024][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1084.828174][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1084.836254][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1084.844249][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1084.852254][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1084.860348][T25624] Uninit was stored to memory at: [ 1084.865386][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1084.871150][T25624] __msan_chain_origin+0x54/0xa0 [ 1084.876112][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1084.880724][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1084.885690][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1084.890563][T25624] do_syscall_64+0x9f/0x140 [ 1084.895244][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.901401][T25624] [ 1084.903775][T25624] Uninit was stored to memory at: [ 1084.908801][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1084.914533][T25624] __msan_chain_origin+0x54/0xa0 [ 1084.919468][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1084.924079][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1084.929026][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1084.933889][T25624] do_syscall_64+0x9f/0x140 [ 1084.938411][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.944326][T25624] [ 1084.946652][T25624] Uninit was stored to memory at: [ 1084.951684][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1084.957443][T25624] __msan_chain_origin+0x54/0xa0 [ 1084.962387][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1084.966988][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1084.971941][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1084.976812][T25624] do_syscall_64+0x9f/0x140 [ 1084.981423][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1084.987346][T25624] [ 1084.989665][T25624] Uninit was stored to memory at: [ 1084.994686][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1085.000427][T25624] __msan_chain_origin+0x54/0xa0 [ 1085.005379][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1085.010008][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1085.014986][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1085.019874][T25624] do_syscall_64+0x9f/0x140 [ 1085.024383][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.030305][T25624] [ 1085.032637][T25624] Uninit was stored to memory at: [ 1085.037649][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1085.043401][T25624] __msan_chain_origin+0x54/0xa0 [ 1085.048355][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1085.052979][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1085.057918][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1085.062772][T25624] do_syscall_64+0x9f/0x140 [ 1085.067282][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.073195][T25624] [ 1085.075528][T25624] Uninit was stored to memory at: [ 1085.080535][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1085.086269][T25624] __msan_chain_origin+0x54/0xa0 [ 1085.091235][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1085.095867][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1085.100902][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1085.105757][T25624] do_syscall_64+0x9f/0x140 [ 1085.110322][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.116241][T25624] [ 1085.118653][T25624] Uninit was stored to memory at: [ 1085.123797][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1085.130307][T25624] __msan_chain_origin+0x54/0xa0 [ 1085.135306][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1085.140011][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1085.144984][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1085.149851][T25624] do_syscall_64+0x9f/0x140 [ 1085.154365][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.160263][T25624] [ 1085.162583][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1085.169383][T25624] do_recvmmsg+0xbf/0x22d0 [ 1085.173840][T25624] do_recvmmsg+0xbf/0x22d0 [ 1085.324876][T25621] not chained 650000 origins [ 1085.330647][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1085.339413][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1085.349495][T25621] Call Trace: [ 1085.352804][T25621] dump_stack+0x24c/0x2e0 [ 1085.357156][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1085.362912][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1085.368249][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1085.374162][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1085.379827][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1085.385160][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1085.390987][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1085.397065][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1085.402395][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1085.408035][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1085.414133][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1085.419480][T25621] ? _copy_from_user+0x1fd/0x300 [ 1085.424439][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1085.429641][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.434611][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.439713][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1085.445369][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1085.450684][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1085.455912][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1085.460948][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.465920][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.470779][T25621] do_syscall_64+0x9f/0x140 [ 1085.475333][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.481242][T25621] RIP: 0033:0x4665d9 [ 1085.485175][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1085.504881][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1085.513307][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1085.521340][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1085.529322][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1085.537316][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1085.545319][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1085.553368][T25621] Uninit was stored to memory at: [ 1085.558412][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1085.564192][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.569141][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.573759][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.578794][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.583659][T25621] do_syscall_64+0x9f/0x140 [ 1085.588208][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.594118][T25621] [ 1085.596441][T25621] Uninit was stored to memory at: [ 1085.601483][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1085.607285][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.612259][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.616857][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.621819][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.626682][T25621] do_syscall_64+0x9f/0x140 [ 1085.631197][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.637099][T25621] [ 1085.639417][T25621] Uninit was stored to memory at: [ 1085.644439][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1085.650188][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.655169][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.659798][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.664747][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.669607][T25621] do_syscall_64+0x9f/0x140 [ 1085.674469][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.680827][T25621] [ 1085.683323][T25621] Uninit was stored to memory at: [ 1085.688340][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1085.696179][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.701216][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.705820][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.710765][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.715642][T25621] do_syscall_64+0x9f/0x140 [ 1085.720327][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.726742][T25621] [ 1085.729123][T25621] Uninit was stored to memory at: [ 1085.734135][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1085.740224][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.745278][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.749884][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.754871][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.759794][T25621] do_syscall_64+0x9f/0x140 [ 1085.764309][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.770304][T25621] [ 1085.772640][T25621] Uninit was stored to memory at: [ 1085.777650][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1085.783472][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.788449][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.793043][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.797981][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.802854][T25621] do_syscall_64+0x9f/0x140 [ 1085.808335][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.814235][T25621] [ 1085.816572][T25621] Uninit was stored to memory at: [ 1085.821600][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1085.827349][T25621] __msan_chain_origin+0x54/0xa0 [ 1085.832290][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1085.836975][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1085.841940][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1085.846815][T25621] do_syscall_64+0x9f/0x140 [ 1085.851358][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1085.857272][T25621] [ 1085.859615][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1085.866370][T25621] do_recvmmsg+0xbf/0x22d0 [ 1085.870790][T25621] do_recvmmsg+0xbf/0x22d0 [ 1086.050805][T25624] not chained 660000 origins [ 1086.055423][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1086.064213][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1086.074273][T25624] Call Trace: [ 1086.077636][T25624] dump_stack+0x24c/0x2e0 [ 1086.082061][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1086.087794][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1086.093116][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1086.099203][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1086.104860][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1086.110074][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1086.115886][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1086.121977][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1086.127190][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1086.132830][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1086.138914][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1086.144202][T25624] ? _copy_from_user+0x1fd/0x300 [ 1086.149274][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1086.154514][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.159461][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.164111][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1086.170127][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1086.175473][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1086.180700][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1086.185742][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.190692][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.195550][T25624] do_syscall_64+0x9f/0x140 [ 1086.200073][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.206012][T25624] RIP: 0033:0x4665d9 [ 1086.210005][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1086.229626][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1086.238065][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1086.246130][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1086.254130][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1086.262105][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1086.270241][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1086.278226][T25624] Uninit was stored to memory at: [ 1086.283326][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1086.289094][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.294033][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.298642][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.303582][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.308461][T25624] do_syscall_64+0x9f/0x140 [ 1086.312987][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.318887][T25624] [ 1086.321207][T25624] Uninit was stored to memory at: [ 1086.326236][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1086.331961][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.336901][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.342114][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.347193][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.352076][T25624] do_syscall_64+0x9f/0x140 [ 1086.356609][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.362601][T25624] [ 1086.364925][T25624] Uninit was stored to memory at: [ 1086.370058][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1086.375789][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.380741][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.385351][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.390307][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.395163][T25624] do_syscall_64+0x9f/0x140 [ 1086.399672][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.405579][T25624] [ 1086.407898][T25624] Uninit was stored to memory at: [ 1086.412917][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1086.418650][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.423607][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.428219][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.433167][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.438066][T25624] do_syscall_64+0x9f/0x140 [ 1086.442631][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.448535][T25624] [ 1086.450854][T25624] Uninit was stored to memory at: [ 1086.455862][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1086.461605][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.466566][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.471166][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.476110][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.480965][T25624] do_syscall_64+0x9f/0x140 [ 1086.485582][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.491641][T25624] [ 1086.493974][T25624] Uninit was stored to memory at: [ 1086.498999][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1086.504744][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.509685][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.514296][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.519253][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.524103][T25624] do_syscall_64+0x9f/0x140 [ 1086.528610][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.534527][T25624] [ 1086.536863][T25624] Uninit was stored to memory at: [ 1086.542090][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1086.547815][T25624] __msan_chain_origin+0x54/0xa0 [ 1086.552754][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1086.557422][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1086.562367][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1086.567379][T25624] do_syscall_64+0x9f/0x140 [ 1086.572017][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.577930][T25624] [ 1086.580248][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1086.586905][T25624] do_recvmmsg+0xbf/0x22d0 [ 1086.591337][T25624] do_recvmmsg+0xbf/0x22d0 [ 1086.758753][T25621] not chained 670000 origins [ 1086.763402][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1086.772209][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1086.782478][T25621] Call Trace: [ 1086.785777][T25621] dump_stack+0x24c/0x2e0 [ 1086.790118][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1086.795889][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1086.801108][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1086.807130][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1086.812863][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1086.818191][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1086.824025][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1086.830100][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1086.835325][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1086.841174][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1086.847260][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1086.852613][T25621] ? _copy_from_user+0x1fd/0x300 [ 1086.857564][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1086.862876][T25621] __msan_chain_origin+0x54/0xa0 [ 1086.867843][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1086.872475][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1086.878129][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1086.883429][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1086.888667][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1086.893811][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1086.898767][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1086.903656][T25621] do_syscall_64+0x9f/0x140 [ 1086.908196][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1086.914123][T25621] RIP: 0033:0x4665d9 [ 1086.918040][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1086.941902][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1086.950398][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1086.958413][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1086.966397][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1086.974536][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1086.982514][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1086.990512][T25621] Uninit was stored to memory at: [ 1086.995549][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1087.001347][T25621] __msan_chain_origin+0x54/0xa0 [ 1087.006299][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1087.011084][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1087.016026][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1087.020896][T25621] do_syscall_64+0x9f/0x140 [ 1087.025404][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.031316][T25621] [ 1087.033637][T25621] Uninit was stored to memory at: [ 1087.038656][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1087.044377][T25621] __msan_chain_origin+0x54/0xa0 [ 1087.049418][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1087.054882][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1087.059837][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1087.064693][T25621] do_syscall_64+0x9f/0x140 [ 1087.069198][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.075090][T25621] [ 1087.077421][T25621] Uninit was stored to memory at: [ 1087.082441][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1087.088183][T25621] __msan_chain_origin+0x54/0xa0 [ 1087.093124][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1087.097717][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1087.102752][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1087.107607][T25621] do_syscall_64+0x9f/0x140 [ 1087.112296][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.118194][T25621] [ 1087.120596][T25621] Uninit was stored to memory at: [ 1087.125598][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1087.131548][T25621] __msan_chain_origin+0x54/0xa0 [ 1087.136495][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1087.141101][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1087.146047][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1087.150937][T25621] do_syscall_64+0x9f/0x140 [ 1087.155727][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.161673][T25621] [ 1087.163991][T25621] Uninit was stored to memory at: [ 1087.169014][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1087.174759][T25621] __msan_chain_origin+0x54/0xa0 [ 1087.179699][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1087.184295][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1087.189262][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1087.194112][T25621] do_syscall_64+0x9f/0x140 [ 1087.198661][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.204570][T25621] [ 1087.206885][T25621] Uninit was stored to memory at: [ 1087.212004][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1087.217731][T25621] __msan_chain_origin+0x54/0xa0 [ 1087.222669][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1087.227380][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1087.232451][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1087.237324][T25621] do_syscall_64+0x9f/0x140 [ 1087.241828][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.247750][T25621] [ 1087.250072][T25621] Uninit was stored to memory at: [ 1087.255093][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1087.260821][T25621] __msan_chain_origin+0x54/0xa0 [ 1087.265777][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1087.270480][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1087.275421][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1087.280292][T25621] do_syscall_64+0x9f/0x140 [ 1087.284826][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.290725][T25621] [ 1087.293050][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1087.299711][T25621] do_recvmmsg+0xbf/0x22d0 [ 1087.304162][T25621] do_recvmmsg+0xbf/0x22d0 [ 1087.470474][T25624] not chained 680000 origins [ 1087.475703][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1087.484472][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1087.494714][T25624] Call Trace: [ 1087.498017][T25624] dump_stack+0x24c/0x2e0 [ 1087.502377][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1087.508299][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1087.513663][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1087.519568][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1087.525270][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1087.530480][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1087.536310][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1087.542691][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1087.548132][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1087.553787][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1087.559861][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1087.565163][T25624] ? _copy_from_user+0x1fd/0x300 [ 1087.570151][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1087.575370][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.580322][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.585148][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1087.590842][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1087.596141][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1087.601359][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1087.606592][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.611724][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.616677][T25624] do_syscall_64+0x9f/0x140 [ 1087.621218][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.627129][T25624] RIP: 0033:0x4665d9 [ 1087.631023][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1087.651007][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1087.659461][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1087.667534][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1087.675571][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1087.683549][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1087.691546][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1087.699662][T25624] Uninit was stored to memory at: [ 1087.704685][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1087.710608][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.715647][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.720248][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.725190][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.730040][T25624] do_syscall_64+0x9f/0x140 [ 1087.734547][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.740443][T25624] [ 1087.742757][T25624] Uninit was stored to memory at: [ 1087.747781][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1087.753511][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.758462][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.763070][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.768013][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.772867][T25624] do_syscall_64+0x9f/0x140 [ 1087.777399][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.783293][T25624] [ 1087.785623][T25624] Uninit was stored to memory at: [ 1087.790746][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1087.796559][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.801587][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.806192][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.811159][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.816036][T25624] do_syscall_64+0x9f/0x140 [ 1087.820647][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.826595][T25624] [ 1087.828918][T25624] Uninit was stored to memory at: [ 1087.833942][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1087.839694][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.844635][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.849232][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.854187][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.859053][T25624] do_syscall_64+0x9f/0x140 [ 1087.863553][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.869461][T25624] [ 1087.871812][T25624] Uninit was stored to memory at: [ 1087.876839][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1087.882579][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.887533][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.892144][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.897187][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.902052][T25624] do_syscall_64+0x9f/0x140 [ 1087.906572][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.913172][T25624] [ 1087.915512][T25624] Uninit was stored to memory at: [ 1087.920522][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1087.926265][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.931361][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.935966][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.940930][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.945794][T25624] do_syscall_64+0x9f/0x140 [ 1087.950315][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1087.956413][T25624] [ 1087.958749][T25624] Uninit was stored to memory at: [ 1087.963861][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1087.969641][T25624] __msan_chain_origin+0x54/0xa0 [ 1087.974871][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1087.979850][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1087.984806][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1087.989675][T25624] do_syscall_64+0x9f/0x140 [ 1087.994196][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.000091][T25624] [ 1088.002408][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1088.009094][T25624] do_recvmmsg+0xbf/0x22d0 [ 1088.013543][T25624] do_recvmmsg+0xbf/0x22d0 [ 1088.160171][T25621] not chained 690000 origins [ 1088.164896][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1088.173653][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1088.183983][T25621] Call Trace: [ 1088.187265][T25621] dump_stack+0x24c/0x2e0 [ 1088.191600][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1088.197336][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1088.202537][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1088.208540][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1088.214180][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1088.219385][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1088.225304][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1088.231375][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1088.236583][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1088.242233][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1088.248339][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1088.253657][T25621] ? _copy_from_user+0x1fd/0x300 [ 1088.258603][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1088.263831][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.269006][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.273632][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1088.279290][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1088.284585][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1088.289796][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1088.294929][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.300132][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.305667][T25621] do_syscall_64+0x9f/0x140 [ 1088.310291][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.316282][T25621] RIP: 0033:0x4665d9 [ 1088.320385][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1088.340293][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1088.349284][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1088.357452][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1088.365437][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1088.378448][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1088.386425][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1088.394514][T25621] Uninit was stored to memory at: [ 1088.399645][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1088.405372][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.410446][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.415064][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.420032][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.424896][T25621] do_syscall_64+0x9f/0x140 [ 1088.429415][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.435408][T25621] [ 1088.437736][T25621] Uninit was stored to memory at: [ 1088.442741][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1088.448514][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.454014][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.459133][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.464086][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.468954][T25621] do_syscall_64+0x9f/0x140 [ 1088.473483][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.479401][T25621] [ 1088.481741][T25621] Uninit was stored to memory at: [ 1088.486871][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1088.492976][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.497932][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.502552][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.507499][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.512380][T25621] do_syscall_64+0x9f/0x140 [ 1088.516916][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.522829][T25621] [ 1088.525163][T25621] Uninit was stored to memory at: [ 1088.530182][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1088.535920][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.540862][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.545472][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.550430][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.555461][T25621] do_syscall_64+0x9f/0x140 [ 1088.560063][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.565967][T25621] [ 1088.568307][T25621] Uninit was stored to memory at: [ 1088.573323][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1088.579081][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.584161][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.588798][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.594652][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.599736][T25621] do_syscall_64+0x9f/0x140 [ 1088.604275][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.610173][T25621] [ 1088.612488][T25621] Uninit was stored to memory at: [ 1088.617527][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1088.623257][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.628236][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.632834][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.637805][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.642680][T25621] do_syscall_64+0x9f/0x140 [ 1088.647214][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.653111][T25621] [ 1088.655428][T25621] Uninit was stored to memory at: [ 1088.660710][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1088.666541][T25621] __msan_chain_origin+0x54/0xa0 [ 1088.671611][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1088.676233][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1088.681265][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1088.686143][T25621] do_syscall_64+0x9f/0x140 [ 1088.690663][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1088.696593][T25621] [ 1088.698925][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1088.705775][T25621] do_recvmmsg+0xbf/0x22d0 [ 1088.710196][T25621] do_recvmmsg+0xbf/0x22d0 [ 1088.878187][T25624] not chained 700000 origins [ 1088.882904][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1088.891766][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1088.901842][T25624] Call Trace: [ 1088.905141][T25624] dump_stack+0x24c/0x2e0 [ 1088.909490][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1088.915243][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1088.920511][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1088.926413][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1088.932063][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1088.937269][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1088.944762][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1088.950856][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1088.956079][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1088.961735][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1088.967810][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1088.973120][T25624] ? _copy_from_user+0x1fd/0x300 [ 1088.978066][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1088.983412][T25624] __msan_chain_origin+0x54/0xa0 [ 1088.988370][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1088.993121][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1088.998790][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1089.004112][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1089.009314][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1089.014374][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.019332][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.024216][T25624] do_syscall_64+0x9f/0x140 [ 1089.028719][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.034629][T25624] RIP: 0033:0x4665d9 [ 1089.038523][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1089.058484][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1089.066906][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1089.074917][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1089.082918][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1089.090899][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1089.098874][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1089.106856][T25624] Uninit was stored to memory at: [ 1089.111868][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1089.117713][T25624] __msan_chain_origin+0x54/0xa0 [ 1089.122803][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1089.127429][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.132369][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.137253][T25624] do_syscall_64+0x9f/0x140 [ 1089.141855][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.147749][T25624] [ 1089.150081][T25624] Uninit was stored to memory at: [ 1089.155096][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1089.160830][T25624] __msan_chain_origin+0x54/0xa0 [ 1089.165792][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1089.170501][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.175476][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.180475][T25624] do_syscall_64+0x9f/0x140 [ 1089.185105][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.191012][T25624] [ 1089.193345][T25624] Uninit was stored to memory at: [ 1089.198502][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1089.204241][T25624] __msan_chain_origin+0x54/0xa0 [ 1089.209244][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1089.213877][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.219105][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.223973][T25624] do_syscall_64+0x9f/0x140 [ 1089.229452][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.235447][T25624] [ 1089.237863][T25624] Uninit was stored to memory at: [ 1089.242999][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1089.248862][T25624] __msan_chain_origin+0x54/0xa0 [ 1089.253811][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1089.258405][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.267257][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.272211][T25624] do_syscall_64+0x9f/0x140 [ 1089.276809][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.282711][T25624] [ 1089.285027][T25624] Uninit was stored to memory at: [ 1089.290032][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1089.295755][T25624] __msan_chain_origin+0x54/0xa0 [ 1089.300703][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1089.305307][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.310329][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.315747][T25624] do_syscall_64+0x9f/0x140 [ 1089.320566][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.326651][T25624] [ 1089.328964][T25624] Uninit was stored to memory at: [ 1089.333981][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1089.340561][T25624] __msan_chain_origin+0x54/0xa0 [ 1089.345508][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1089.350103][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.355046][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.360249][T25624] do_syscall_64+0x9f/0x140 [ 1089.364860][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.370772][T25624] [ 1089.373088][T25624] Uninit was stored to memory at: [ 1089.378113][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1089.383851][T25624] __msan_chain_origin+0x54/0xa0 [ 1089.388819][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1089.393412][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1089.398383][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1089.403264][T25624] do_syscall_64+0x9f/0x140 [ 1089.407863][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.414254][T25624] [ 1089.416665][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1089.423331][T25624] do_recvmmsg+0xbf/0x22d0 [ 1089.427944][T25624] do_recvmmsg+0xbf/0x22d0 [ 1089.592698][T25621] not chained 710000 origins [ 1089.597487][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1089.606480][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1089.616570][T25621] Call Trace: [ 1089.619873][T25621] dump_stack+0x24c/0x2e0 [ 1089.624337][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1089.630076][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1089.635372][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1089.641296][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1089.646970][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1089.653152][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1089.658990][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1089.665089][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1089.670506][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1089.676285][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1089.682955][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1089.688251][T25621] ? _copy_from_user+0x1fd/0x300 [ 1089.693238][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1089.698601][T25621] __msan_chain_origin+0x54/0xa0 [ 1089.703572][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1089.708199][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1089.713847][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1089.719145][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1089.724361][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1089.729399][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1089.734366][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1089.739895][T25621] do_syscall_64+0x9f/0x140 [ 1089.744441][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.750556][T25621] RIP: 0033:0x4665d9 [ 1089.754551][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1089.774207][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1089.782632][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1089.790611][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1089.799109][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1089.807087][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1089.815079][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1089.823215][T25621] Uninit was stored to memory at: [ 1089.828369][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1089.834135][T25621] __msan_chain_origin+0x54/0xa0 [ 1089.839083][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1089.843911][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1089.848871][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1089.853798][T25621] do_syscall_64+0x9f/0x140 [ 1089.858395][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.864295][T25621] [ 1089.866987][T25621] Uninit was stored to memory at: [ 1089.872000][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1089.877817][T25621] __msan_chain_origin+0x54/0xa0 [ 1089.882773][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1089.887366][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1089.892328][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1089.897235][T25621] do_syscall_64+0x9f/0x140 [ 1089.901764][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.907718][T25621] [ 1089.910039][T25621] Uninit was stored to memory at: [ 1089.915048][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1089.920867][T25621] __msan_chain_origin+0x54/0xa0 [ 1089.925866][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1089.930476][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1089.935425][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1089.940468][T25621] do_syscall_64+0x9f/0x140 [ 1089.944986][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.950896][T25621] [ 1089.953216][T25621] Uninit was stored to memory at: [ 1089.958244][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1089.964172][T25621] __msan_chain_origin+0x54/0xa0 [ 1089.969299][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1089.974068][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1089.979034][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1089.983900][T25621] do_syscall_64+0x9f/0x140 [ 1089.988432][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1089.994466][T25621] [ 1089.996828][T25621] Uninit was stored to memory at: [ 1090.002793][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1090.008525][T25621] __msan_chain_origin+0x54/0xa0 [ 1090.013473][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1090.018392][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1090.023359][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1090.028258][T25621] do_syscall_64+0x9f/0x140 [ 1090.032768][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.038671][T25621] [ 1090.040988][T25621] Uninit was stored to memory at: [ 1090.046004][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1090.051742][T25621] __msan_chain_origin+0x54/0xa0 [ 1090.056739][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1090.061361][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1090.066305][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1090.071209][T25621] do_syscall_64+0x9f/0x140 [ 1090.075725][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.081635][T25621] [ 1090.083956][T25621] Uninit was stored to memory at: [ 1090.089006][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1090.094758][T25621] __msan_chain_origin+0x54/0xa0 [ 1090.099714][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1090.104306][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1090.109244][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1090.114403][T25621] do_syscall_64+0x9f/0x140 [ 1090.118964][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.124887][T25621] [ 1090.127226][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1090.133995][T25621] do_recvmmsg+0xbf/0x22d0 [ 1090.138479][T25621] do_recvmmsg+0xbf/0x22d0 [ 1090.309942][T25624] not chained 720000 origins [ 1090.314613][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1090.323381][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1090.333482][T25624] Call Trace: [ 1090.336771][T25624] dump_stack+0x24c/0x2e0 [ 1090.341115][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1090.346858][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1090.352072][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1090.357992][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1090.363652][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1090.368875][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1090.374714][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1090.380816][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1090.386046][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1090.391692][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1090.398357][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1090.403701][T25624] ? _copy_from_user+0x1fd/0x300 [ 1090.408666][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1090.413966][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.419037][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.423662][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1090.429521][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1090.434943][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1090.440168][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1090.445370][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.450350][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.455212][T25624] do_syscall_64+0x9f/0x140 [ 1090.459722][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.465910][T25624] RIP: 0033:0x4665d9 [ 1090.469818][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1090.489534][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1090.498231][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1090.506210][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1090.514838][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1090.522820][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1090.530797][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1090.538837][T25624] Uninit was stored to memory at: [ 1090.543851][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1090.549574][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.554535][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.559242][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.564219][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.569094][T25624] do_syscall_64+0x9f/0x140 [ 1090.573786][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.579719][T25624] [ 1090.582069][T25624] Uninit was stored to memory at: [ 1090.587081][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1090.592927][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.598025][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.602768][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.607735][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.612598][T25624] do_syscall_64+0x9f/0x140 [ 1090.617129][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.623141][T25624] [ 1090.625515][T25624] Uninit was stored to memory at: [ 1090.630995][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1090.636738][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.641723][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.646477][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.651442][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.656317][T25624] do_syscall_64+0x9f/0x140 [ 1090.661371][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.667273][T25624] [ 1090.669624][T25624] Uninit was stored to memory at: [ 1090.674658][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1090.680409][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.685383][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.689987][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.694937][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.699968][T25624] do_syscall_64+0x9f/0x140 [ 1090.704485][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.710415][T25624] [ 1090.712749][T25624] Uninit was stored to memory at: [ 1090.717760][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1090.723490][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.728551][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.733156][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.738100][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.742965][T25624] do_syscall_64+0x9f/0x140 [ 1090.747486][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.753476][T25624] [ 1090.755831][T25624] Uninit was stored to memory at: [ 1090.760871][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1090.766812][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.771788][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.776395][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.781560][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.786434][T25624] do_syscall_64+0x9f/0x140 [ 1090.790964][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.797142][T25624] [ 1090.799462][T25624] Uninit was stored to memory at: [ 1090.804493][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1090.810255][T25624] __msan_chain_origin+0x54/0xa0 [ 1090.815230][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1090.819828][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1090.824789][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1090.830171][T25624] do_syscall_64+0x9f/0x140 [ 1090.834708][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1090.840639][T25624] [ 1090.842990][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1090.849708][T25624] do_recvmmsg+0xbf/0x22d0 [ 1090.854152][T25624] do_recvmmsg+0xbf/0x22d0 [ 1091.011629][T25621] not chained 730000 origins [ 1091.016251][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1091.025018][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1091.035082][T25621] Call Trace: [ 1091.038402][T25621] dump_stack+0x24c/0x2e0 [ 1091.042747][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1091.048505][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1091.053723][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1091.059643][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1091.065480][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1091.070702][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1091.076530][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1091.082607][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1091.087818][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1091.093569][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1091.099657][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1091.104976][T25621] ? _copy_from_user+0x1fd/0x300 [ 1091.109931][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1091.115237][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.120225][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.124857][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1091.130511][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1091.135820][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1091.141046][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1091.146082][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.151049][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.155911][T25621] do_syscall_64+0x9f/0x140 [ 1091.160541][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.166451][T25621] RIP: 0033:0x4665d9 [ 1091.170413][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1091.190024][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1091.198534][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1091.206519][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1091.214500][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1091.222653][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1091.230692][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1091.240018][T25621] Uninit was stored to memory at: [ 1091.245059][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1091.250887][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.255884][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.260480][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.265445][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.270820][T25621] do_syscall_64+0x9f/0x140 [ 1091.275340][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.281243][T25621] [ 1091.283691][T25621] Uninit was stored to memory at: [ 1091.288708][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1091.294473][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.299420][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.304051][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.309151][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.314118][T25621] do_syscall_64+0x9f/0x140 [ 1091.318742][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.324757][T25621] [ 1091.327190][T25621] Uninit was stored to memory at: [ 1091.332418][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1091.338152][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.343106][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.347705][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.352651][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.357554][T25621] do_syscall_64+0x9f/0x140 [ 1091.362066][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.367961][T25621] [ 1091.370300][T25621] Uninit was stored to memory at: [ 1091.375317][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1091.381068][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.386014][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.390613][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.395558][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.400450][T25621] do_syscall_64+0x9f/0x140 [ 1091.405014][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.410918][T25621] [ 1091.413244][T25621] Uninit was stored to memory at: [ 1091.418308][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1091.424060][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.429008][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.433631][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.438844][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.443896][T25621] do_syscall_64+0x9f/0x140 [ 1091.448430][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.454487][T25621] [ 1091.456822][T25621] Uninit was stored to memory at: [ 1091.461856][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1091.467590][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.472675][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.477373][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.482320][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.487193][T25621] do_syscall_64+0x9f/0x140 [ 1091.491716][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.497797][T25621] [ 1091.500145][T25621] Uninit was stored to memory at: [ 1091.505168][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1091.510898][T25621] __msan_chain_origin+0x54/0xa0 [ 1091.515968][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1091.520592][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1091.525565][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1091.530453][T25621] do_syscall_64+0x9f/0x140 [ 1091.534982][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.540885][T25621] [ 1091.543205][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1091.549889][T25621] do_recvmmsg+0xbf/0x22d0 [ 1091.554783][T25621] do_recvmmsg+0xbf/0x22d0 [ 1091.743051][T25624] not chained 740000 origins [ 1091.747741][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1091.756516][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1091.767712][T25624] Call Trace: [ 1091.771112][T25624] dump_stack+0x24c/0x2e0 [ 1091.775472][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1091.781203][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1091.786428][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1091.792326][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1091.797988][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1091.803258][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1091.809137][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1091.815280][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1091.821191][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1091.826850][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1091.832936][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1091.838252][T25624] ? _copy_from_user+0x1fd/0x300 [ 1091.843367][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1091.848670][T25624] __msan_chain_origin+0x54/0xa0 [ 1091.853616][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1091.858321][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1091.864220][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1091.869601][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1091.874806][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1091.879853][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1091.884803][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1091.889699][T25624] do_syscall_64+0x9f/0x140 [ 1091.894227][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1091.900132][T25624] RIP: 0033:0x4665d9 [ 1091.904027][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1091.923640][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1091.932163][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1091.940251][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1091.948332][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1091.956312][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1091.964319][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1091.972303][T25624] Uninit was stored to memory at: [ 1091.977408][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1091.983271][T25624] __msan_chain_origin+0x54/0xa0 [ 1091.988383][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1091.992983][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1091.997929][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1092.002785][T25624] do_syscall_64+0x9f/0x140 [ 1092.007299][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.013198][T25624] [ 1092.015514][T25624] Uninit was stored to memory at: [ 1092.020530][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1092.026253][T25624] __msan_chain_origin+0x54/0xa0 [ 1092.031301][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1092.035914][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1092.041172][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1092.046196][T25624] do_syscall_64+0x9f/0x140 [ 1092.050825][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.057276][T25624] [ 1092.059612][T25624] Uninit was stored to memory at: [ 1092.064646][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1092.070384][T25624] __msan_chain_origin+0x54/0xa0 [ 1092.075381][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1092.079998][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1092.084945][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1092.089909][T25624] do_syscall_64+0x9f/0x140 [ 1092.094420][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.100346][T25624] [ 1092.102662][T25624] Uninit was stored to memory at: [ 1092.107689][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1092.113667][T25624] __msan_chain_origin+0x54/0xa0 [ 1092.118615][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1092.123589][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1092.128547][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1092.133451][T25624] do_syscall_64+0x9f/0x140 [ 1092.138252][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.144171][T25624] [ 1092.146517][T25624] Uninit was stored to memory at: [ 1092.151528][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1092.157262][T25624] __msan_chain_origin+0x54/0xa0 [ 1092.162216][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1092.166843][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1092.171783][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1092.176647][T25624] do_syscall_64+0x9f/0x140 [ 1092.181167][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.187191][T25624] [ 1092.189536][T25624] Uninit was stored to memory at: [ 1092.194545][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1092.200276][T25624] __msan_chain_origin+0x54/0xa0 [ 1092.205245][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1092.209840][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1092.214782][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1092.219639][T25624] do_syscall_64+0x9f/0x140 [ 1092.224157][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.230085][T25624] [ 1092.232405][T25624] Uninit was stored to memory at: [ 1092.237414][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1092.243491][T25624] __msan_chain_origin+0x54/0xa0 [ 1092.248582][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1092.253289][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1092.258279][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1092.263145][T25624] do_syscall_64+0x9f/0x140 [ 1092.267680][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.273757][T25624] [ 1092.276077][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1092.282863][T25624] do_recvmmsg+0xbf/0x22d0 [ 1092.287290][T25624] do_recvmmsg+0xbf/0x22d0 [ 1092.451140][T25621] not chained 750000 origins [ 1092.455777][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1092.464540][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1092.474705][T25621] Call Trace: [ 1092.478008][T25621] dump_stack+0x24c/0x2e0 [ 1092.482349][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1092.488092][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1092.493343][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1092.499271][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1092.504922][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1092.510141][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1092.515953][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1092.522052][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1092.527276][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1092.532956][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1092.539055][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1092.544364][T25621] ? _copy_from_user+0x1fd/0x300 [ 1092.549310][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1092.554537][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.559512][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.564140][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1092.569780][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1092.575088][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1092.580383][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1092.585422][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.590378][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.595262][T25621] do_syscall_64+0x9f/0x140 [ 1092.599807][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.605715][T25621] RIP: 0033:0x4665d9 [ 1092.609665][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1092.629300][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1092.637742][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1092.645715][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1092.653689][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1092.661700][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1092.669684][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1092.677670][T25621] Uninit was stored to memory at: [ 1092.682691][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1092.688420][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.693387][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.697990][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.702955][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.707832][T25621] do_syscall_64+0x9f/0x140 [ 1092.712345][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.718243][T25621] [ 1092.720576][T25621] Uninit was stored to memory at: [ 1092.725585][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1092.731327][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.736287][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.740923][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.745900][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.750764][T25621] do_syscall_64+0x9f/0x140 [ 1092.755310][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.761343][T25621] [ 1092.763708][T25621] Uninit was stored to memory at: [ 1092.768734][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1092.774513][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.779852][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.784476][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.789474][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.794462][T25621] do_syscall_64+0x9f/0x140 [ 1092.798996][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.805082][T25621] [ 1092.807402][T25621] Uninit was stored to memory at: [ 1092.812411][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1092.818168][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.823121][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.827744][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.832685][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.837731][T25621] do_syscall_64+0x9f/0x140 [ 1092.842384][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.848289][T25621] [ 1092.850637][T25621] Uninit was stored to memory at: [ 1092.855667][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1092.861777][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.866926][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.871678][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.876632][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.881615][T25621] do_syscall_64+0x9f/0x140 [ 1092.886159][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.892067][T25621] [ 1092.894401][T25621] Uninit was stored to memory at: [ 1092.899412][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1092.905398][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.910376][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.914974][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.919913][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.924794][T25621] do_syscall_64+0x9f/0x140 [ 1092.929312][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.935219][T25621] [ 1092.937765][T25621] Uninit was stored to memory at: [ 1092.942795][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1092.948805][T25621] __msan_chain_origin+0x54/0xa0 [ 1092.953755][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1092.958359][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1092.963317][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1092.968229][T25621] do_syscall_64+0x9f/0x140 [ 1092.972745][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1092.978645][T25621] [ 1092.980998][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1092.987715][T25621] do_recvmmsg+0xbf/0x22d0 [ 1092.992204][T25621] do_recvmmsg+0xbf/0x22d0 [ 1093.160382][T25624] not chained 760000 origins [ 1093.165012][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1093.173775][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1093.183850][T25624] Call Trace: [ 1093.187133][T25624] dump_stack+0x24c/0x2e0 [ 1093.191491][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1093.197238][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1093.202497][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1093.208519][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1093.214162][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1093.219391][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1093.225497][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1093.231702][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1093.236935][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1093.242764][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1093.248852][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1093.254160][T25624] ? _copy_from_user+0x1fd/0x300 [ 1093.259152][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1093.264457][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.269402][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.274112][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1093.279780][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1093.285079][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1093.290970][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1093.296010][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.300975][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.306633][T25624] do_syscall_64+0x9f/0x140 [ 1093.311274][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.317190][T25624] RIP: 0033:0x4665d9 [ 1093.321083][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1093.340994][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1093.349500][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1093.357496][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1093.367220][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1093.375198][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1093.383187][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1093.391695][T25624] Uninit was stored to memory at: [ 1093.396725][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1093.402454][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.407575][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.412177][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.417170][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.422055][T25624] do_syscall_64+0x9f/0x140 [ 1093.426586][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.432491][T25624] [ 1093.434825][T25624] Uninit was stored to memory at: [ 1093.440055][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1093.445803][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.450772][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.455395][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.460341][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.465224][T25624] do_syscall_64+0x9f/0x140 [ 1093.469760][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.475666][T25624] [ 1093.478008][T25624] Uninit was stored to memory at: [ 1093.483020][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1093.488753][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.493900][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.498513][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.503506][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.508502][T25624] do_syscall_64+0x9f/0x140 [ 1093.513018][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.519201][T25624] [ 1093.521532][T25624] Uninit was stored to memory at: [ 1093.526551][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1093.532313][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.537281][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.541877][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.546823][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.551687][T25624] do_syscall_64+0x9f/0x140 [ 1093.556207][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.562111][T25624] [ 1093.564441][T25624] Uninit was stored to memory at: [ 1093.569473][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1093.575244][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.580201][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.584824][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.589788][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.594664][T25624] do_syscall_64+0x9f/0x140 [ 1093.599642][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.605561][T25624] [ 1093.607909][T25624] Uninit was stored to memory at: [ 1093.612944][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1093.618681][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.623866][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.628502][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.633704][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.638911][T25624] do_syscall_64+0x9f/0x140 [ 1093.644206][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.650261][T25624] [ 1093.652582][T25624] Uninit was stored to memory at: [ 1093.657714][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1093.663555][T25624] __msan_chain_origin+0x54/0xa0 [ 1093.668505][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1093.673109][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1093.678179][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1093.683030][T25624] do_syscall_64+0x9f/0x140 [ 1093.687534][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1093.693433][T25624] [ 1093.697510][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1093.704174][T25624] do_recvmmsg+0xbf/0x22d0 [ 1093.708608][T25624] do_recvmmsg+0xbf/0x22d0 [ 1093.860363][T25621] not chained 770000 origins [ 1093.865004][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1093.873787][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1093.883869][T25621] Call Trace: [ 1093.887174][T25621] dump_stack+0x24c/0x2e0 [ 1093.891580][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1093.897593][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1093.902816][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1093.908726][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1093.914494][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1093.919703][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1093.925535][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1093.931644][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1093.936855][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1093.942496][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1093.948582][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1093.953914][T25621] ? _copy_from_user+0x1fd/0x300 [ 1093.959031][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1093.964252][T25621] __msan_chain_origin+0x54/0xa0 [ 1093.969228][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1093.973844][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1093.979485][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1093.984777][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1093.989984][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1093.995042][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.000275][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.005244][T25621] do_syscall_64+0x9f/0x140 [ 1094.009770][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.015705][T25621] RIP: 0033:0x4665d9 [ 1094.019634][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1094.039271][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1094.047701][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1094.055871][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1094.063849][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1094.071939][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1094.079934][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1094.088366][T25621] Uninit was stored to memory at: [ 1094.093425][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1094.099149][T25621] __msan_chain_origin+0x54/0xa0 [ 1094.104275][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1094.108890][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.113838][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.118706][T25621] do_syscall_64+0x9f/0x140 [ 1094.123267][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.129337][T25621] [ 1094.131710][T25621] Uninit was stored to memory at: [ 1094.136811][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1094.142544][T25621] __msan_chain_origin+0x54/0xa0 [ 1094.147610][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1094.152256][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.157204][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.162089][T25621] do_syscall_64+0x9f/0x140 [ 1094.166635][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.172530][T25621] [ 1094.174844][T25621] Uninit was stored to memory at: [ 1094.179872][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1094.185733][T25621] __msan_chain_origin+0x54/0xa0 [ 1094.190667][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1094.195268][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.200315][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.205220][T25621] do_syscall_64+0x9f/0x140 [ 1094.209729][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.215621][T25621] [ 1094.217942][T25621] Uninit was stored to memory at: [ 1094.222966][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1094.228691][T25621] __msan_chain_origin+0x54/0xa0 [ 1094.233651][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1094.238347][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.243308][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.248330][T25621] do_syscall_64+0x9f/0x140 [ 1094.253431][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.259469][T25621] [ 1094.261795][T25621] Uninit was stored to memory at: [ 1094.266830][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1094.272561][T25621] __msan_chain_origin+0x54/0xa0 [ 1094.277529][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1094.282128][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.287076][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.291947][T25621] do_syscall_64+0x9f/0x140 [ 1094.296597][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.303046][T25621] [ 1094.305367][T25621] Uninit was stored to memory at: [ 1094.310413][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1094.316140][T25621] __msan_chain_origin+0x54/0xa0 [ 1094.321085][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1094.325700][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.330645][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.335523][T25621] do_syscall_64+0x9f/0x140 [ 1094.340042][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.345955][T25621] [ 1094.348274][T25621] Uninit was stored to memory at: [ 1094.353302][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1094.359211][T25621] __msan_chain_origin+0x54/0xa0 [ 1094.364166][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1094.368771][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1094.373722][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1094.378690][T25621] do_syscall_64+0x9f/0x140 [ 1094.383205][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.389383][T25621] [ 1094.391742][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1094.398799][T25621] do_recvmmsg+0xbf/0x22d0 [ 1094.403223][T25621] do_recvmmsg+0xbf/0x22d0 [ 1094.572441][T25624] not chained 780000 origins [ 1094.577061][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1094.585963][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1094.596038][T25624] Call Trace: [ 1094.599326][T25624] dump_stack+0x24c/0x2e0 [ 1094.603667][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1094.609398][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1094.614618][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1094.620538][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1094.626228][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1094.631533][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1094.637419][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1094.643500][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1094.648747][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1094.654649][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1094.660742][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1094.666276][T25624] ? _copy_from_user+0x1fd/0x300 [ 1094.671238][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1094.676469][T25624] __msan_chain_origin+0x54/0xa0 [ 1094.681467][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1094.686097][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1094.691746][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1094.697043][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1094.702251][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1094.707427][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1094.712810][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1094.717691][T25624] do_syscall_64+0x9f/0x140 [ 1094.722317][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.728332][T25624] RIP: 0033:0x4665d9 [ 1094.732355][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1094.752205][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1094.761447][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1094.769440][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1094.777529][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1094.785692][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1094.793669][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1094.801660][T25624] Uninit was stored to memory at: [ 1094.806701][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1094.812895][T25624] __msan_chain_origin+0x54/0xa0 [ 1094.817849][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1094.822445][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1094.827415][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1094.832300][T25624] do_syscall_64+0x9f/0x140 [ 1094.836847][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.842752][T25624] [ 1094.845075][T25624] Uninit was stored to memory at: [ 1094.850096][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1094.855829][T25624] __msan_chain_origin+0x54/0xa0 [ 1094.860794][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1094.865412][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1094.870388][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1094.875265][T25624] do_syscall_64+0x9f/0x140 [ 1094.879794][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.885698][T25624] [ 1094.888025][T25624] Uninit was stored to memory at: [ 1094.893045][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1094.899126][T25624] __msan_chain_origin+0x54/0xa0 [ 1094.904284][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1094.908890][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1094.913868][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1094.918773][T25624] do_syscall_64+0x9f/0x140 [ 1094.923313][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.929245][T25624] [ 1094.931591][T25624] Uninit was stored to memory at: [ 1094.936604][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1094.942378][T25624] __msan_chain_origin+0x54/0xa0 [ 1094.947323][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1094.951948][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1094.956897][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1094.961774][T25624] do_syscall_64+0x9f/0x140 [ 1094.966550][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1094.972486][T25624] [ 1094.974813][T25624] Uninit was stored to memory at: [ 1094.979822][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1094.985550][T25624] __msan_chain_origin+0x54/0xa0 [ 1094.990604][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1094.995231][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1095.000198][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1095.005061][T25624] do_syscall_64+0x9f/0x140 [ 1095.009578][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.015492][T25624] [ 1095.017810][T25624] Uninit was stored to memory at: [ 1095.022814][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1095.028540][T25624] __msan_chain_origin+0x54/0xa0 [ 1095.033490][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1095.038080][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1095.043037][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1095.048005][T25624] do_syscall_64+0x9f/0x140 [ 1095.052526][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.058430][T25624] [ 1095.060746][T25624] Uninit was stored to memory at: [ 1095.065896][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1095.071672][T25624] __msan_chain_origin+0x54/0xa0 [ 1095.076739][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1095.081611][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1095.086555][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1095.091402][T25624] do_syscall_64+0x9f/0x140 [ 1095.095929][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.101833][T25624] [ 1095.104164][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1095.110816][T25624] do_recvmmsg+0xbf/0x22d0 [ 1095.115235][T25624] do_recvmmsg+0xbf/0x22d0 [ 1095.289212][T25621] not chained 790000 origins [ 1095.293961][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1095.302811][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1095.312928][T25621] Call Trace: [ 1095.316216][T25621] dump_stack+0x24c/0x2e0 [ 1095.320563][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1095.326297][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1095.331632][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1095.337577][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1095.343242][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1095.348489][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1095.354344][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1095.360426][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1095.365660][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1095.371364][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1095.377552][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1095.383028][T25621] ? _copy_from_user+0x1fd/0x300 [ 1095.388106][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1095.393612][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.398568][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.403382][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1095.409097][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1095.414408][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1095.420385][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1095.425561][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.430891][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.435844][T25621] do_syscall_64+0x9f/0x140 [ 1095.440368][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.446281][T25621] RIP: 0033:0x4665d9 [ 1095.450189][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1095.469950][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1095.478372][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1095.486382][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1095.494357][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1095.502543][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1095.510517][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1095.518607][T25621] Uninit was stored to memory at: [ 1095.523659][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1095.529620][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.534594][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.539192][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.544222][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.549078][T25621] do_syscall_64+0x9f/0x140 [ 1095.553601][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.559548][T25621] [ 1095.561868][T25621] Uninit was stored to memory at: [ 1095.566876][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1095.572606][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.577561][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.582348][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.587296][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.592158][T25621] do_syscall_64+0x9f/0x140 [ 1095.596670][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.602908][T25621] [ 1095.605331][T25621] Uninit was stored to memory at: [ 1095.610374][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1095.616124][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.621270][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.626133][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.631084][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.635946][T25621] do_syscall_64+0x9f/0x140 [ 1095.640453][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.646379][T25621] [ 1095.648711][T25621] Uninit was stored to memory at: [ 1095.653719][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1095.659483][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.664422][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.669035][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.673999][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.678876][T25621] do_syscall_64+0x9f/0x140 [ 1095.683393][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.689319][T25621] [ 1095.691637][T25621] Uninit was stored to memory at: [ 1095.696649][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1095.702378][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.707373][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.711972][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.716933][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.721807][T25621] do_syscall_64+0x9f/0x140 [ 1095.726329][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.732236][T25621] [ 1095.734558][T25621] Uninit was stored to memory at: [ 1095.739567][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1095.745299][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.750438][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.755218][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.760198][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.765113][T25621] do_syscall_64+0x9f/0x140 [ 1095.769649][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.775563][T25621] [ 1095.777959][T25621] Uninit was stored to memory at: [ 1095.783033][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1095.788768][T25621] __msan_chain_origin+0x54/0xa0 [ 1095.793715][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1095.798318][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1095.803307][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1095.808302][T25621] do_syscall_64+0x9f/0x140 [ 1095.812838][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1095.818785][T25621] [ 1095.821125][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1095.827804][T25621] do_recvmmsg+0xbf/0x22d0 [ 1095.832282][T25621] do_recvmmsg+0xbf/0x22d0 [ 1096.002329][T25624] not chained 800000 origins [ 1096.006951][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1096.015723][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1096.025778][T25624] Call Trace: [ 1096.029059][T25624] dump_stack+0x24c/0x2e0 [ 1096.033418][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1096.039148][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1096.044350][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1096.050259][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1096.055897][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1096.061101][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1096.066912][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1096.072991][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1096.078736][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1096.084402][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1096.090479][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1096.095793][T25624] ? _copy_from_user+0x1fd/0x300 [ 1096.100755][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1096.105958][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.110922][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.115538][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1096.121185][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1096.126477][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1096.131687][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1096.136717][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.141659][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.146518][T25624] do_syscall_64+0x9f/0x140 [ 1096.151046][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.156969][T25624] RIP: 0033:0x4665d9 [ 1096.160867][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1096.181011][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1096.189547][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1096.197664][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1096.205665][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1096.213641][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1096.221640][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1096.229631][T25624] Uninit was stored to memory at: [ 1096.234663][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1096.240389][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.245340][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.249944][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.254884][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.259738][T25624] do_syscall_64+0x9f/0x140 [ 1096.264254][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.270289][T25624] [ 1096.272629][T25624] Uninit was stored to memory at: [ 1096.277632][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1096.283353][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.288318][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.293070][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.298040][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.302914][T25624] do_syscall_64+0x9f/0x140 [ 1096.307571][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.313499][T25624] [ 1096.315816][T25624] Uninit was stored to memory at: [ 1096.320824][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1096.326551][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.331510][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.336117][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.341050][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.345915][T25624] do_syscall_64+0x9f/0x140 [ 1096.350457][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.356366][T25624] [ 1096.358682][T25624] Uninit was stored to memory at: [ 1096.363772][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1096.369510][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.374458][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.379228][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.384175][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.389061][T25624] do_syscall_64+0x9f/0x140 [ 1096.393572][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.399532][T25624] [ 1096.401941][T25624] Uninit was stored to memory at: [ 1096.407071][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1096.413179][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.418119][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.422735][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.427671][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.432539][T25624] do_syscall_64+0x9f/0x140 [ 1096.437046][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.442938][T25624] [ 1096.445254][T25624] Uninit was stored to memory at: [ 1096.450274][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1096.456183][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.461123][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.465712][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.470648][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.475512][T25624] do_syscall_64+0x9f/0x140 [ 1096.480051][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.485962][T25624] [ 1096.488294][T25624] Uninit was stored to memory at: [ 1096.493323][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1096.499072][T25624] __msan_chain_origin+0x54/0xa0 [ 1096.504019][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1096.508619][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1096.513567][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1096.518448][T25624] do_syscall_64+0x9f/0x140 [ 1096.522967][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.528874][T25624] [ 1096.531187][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1096.537853][T25624] do_recvmmsg+0xbf/0x22d0 [ 1096.542285][T25624] do_recvmmsg+0xbf/0x22d0 [ 1096.699630][T25621] not chained 810000 origins [ 1096.704380][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1096.713147][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1096.723211][T25621] Call Trace: [ 1096.726567][T25621] dump_stack+0x24c/0x2e0 [ 1096.730945][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1096.736675][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1096.741888][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1096.747814][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1096.753596][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1096.758856][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1096.764790][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1096.771019][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1096.776228][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1096.782017][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1096.788106][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1096.793459][T25621] ? _copy_from_user+0x1fd/0x300 [ 1096.798433][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1096.803640][T25621] __msan_chain_origin+0x54/0xa0 [ 1096.808586][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1096.813206][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1096.818877][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1096.824185][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1096.829385][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1096.834433][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1096.840179][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1096.845133][T25621] do_syscall_64+0x9f/0x140 [ 1096.849668][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.855697][T25621] RIP: 0033:0x4665d9 [ 1096.859604][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1096.879209][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1096.887664][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1096.896077][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1096.904108][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1096.912093][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1096.920067][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1096.928207][T25621] Uninit was stored to memory at: [ 1096.933226][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1096.939073][T25621] __msan_chain_origin+0x54/0xa0 [ 1096.944130][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1096.949167][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1096.954155][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1096.959469][T25621] do_syscall_64+0x9f/0x140 [ 1096.963981][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1096.969880][T25621] [ 1096.972214][T25621] Uninit was stored to memory at: [ 1096.977221][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1096.982960][T25621] __msan_chain_origin+0x54/0xa0 [ 1096.987911][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1096.992532][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1096.997533][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1097.002436][T25621] do_syscall_64+0x9f/0x140 [ 1097.006946][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.013186][T25621] [ 1097.015505][T25621] Uninit was stored to memory at: [ 1097.020511][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1097.026252][T25621] __msan_chain_origin+0x54/0xa0 [ 1097.031191][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1097.035800][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1097.040739][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1097.045659][T25621] do_syscall_64+0x9f/0x140 [ 1097.050280][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.056201][T25621] [ 1097.058526][T25621] Uninit was stored to memory at: [ 1097.063553][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1097.069448][T25621] __msan_chain_origin+0x54/0xa0 [ 1097.074395][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1097.079129][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1097.084114][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1097.088985][T25621] do_syscall_64+0x9f/0x140 [ 1097.093497][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.099397][T25621] [ 1097.101774][T25621] Uninit was stored to memory at: [ 1097.106780][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1097.112503][T25621] __msan_chain_origin+0x54/0xa0 [ 1097.117454][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1097.122054][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1097.126996][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1097.131857][T25621] do_syscall_64+0x9f/0x140 [ 1097.136366][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.142394][T25621] [ 1097.144860][T25621] Uninit was stored to memory at: [ 1097.149868][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1097.155751][T25621] __msan_chain_origin+0x54/0xa0 [ 1097.160812][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1097.165449][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1097.170398][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1097.175263][T25621] do_syscall_64+0x9f/0x140 [ 1097.179801][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.185706][T25621] [ 1097.188044][T25621] Uninit was stored to memory at: [ 1097.193055][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1097.198900][T25621] __msan_chain_origin+0x54/0xa0 [ 1097.203857][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1097.208458][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1097.213411][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1097.218287][T25621] do_syscall_64+0x9f/0x140 [ 1097.222850][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.228741][T25621] [ 1097.231057][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1097.238668][T25621] do_recvmmsg+0xbf/0x22d0 [ 1097.243274][T25621] do_recvmmsg+0xbf/0x22d0 [ 1097.421536][T25624] not chained 820000 origins [ 1097.426151][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1097.434911][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1097.445314][T25624] Call Trace: [ 1097.448614][T25624] dump_stack+0x24c/0x2e0 [ 1097.452949][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1097.458682][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1097.463902][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1097.469801][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1097.475435][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1097.481426][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1097.487324][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1097.493410][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1097.498609][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1097.504253][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1097.510405][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1097.515812][T25624] ? _copy_from_user+0x1fd/0x300 [ 1097.520769][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1097.526161][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.531123][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.535839][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1097.541568][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1097.546861][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1097.552173][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1097.560654][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.565619][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.570497][T25624] do_syscall_64+0x9f/0x140 [ 1097.575014][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.581101][T25624] RIP: 0033:0x4665d9 [ 1097.584996][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1097.604802][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1097.613369][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1097.621535][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1097.629700][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1097.637872][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1097.645862][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1097.653842][T25624] Uninit was stored to memory at: [ 1097.658874][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1097.664609][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.669749][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.674466][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.679411][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.684285][T25624] do_syscall_64+0x9f/0x140 [ 1097.688819][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.694768][T25624] [ 1097.697083][T25624] Uninit was stored to memory at: [ 1097.702356][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1097.708473][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.713450][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.718218][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.723175][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.728035][T25624] do_syscall_64+0x9f/0x140 [ 1097.732546][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.738605][T25624] [ 1097.740924][T25624] Uninit was stored to memory at: [ 1097.746053][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1097.753018][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.757982][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.762595][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.767772][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.773245][T25624] do_syscall_64+0x9f/0x140 [ 1097.777794][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.783697][T25624] [ 1097.786043][T25624] Uninit was stored to memory at: [ 1097.791078][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1097.796819][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.801773][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.806388][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.811516][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.816376][T25624] do_syscall_64+0x9f/0x140 [ 1097.820930][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.826856][T25624] [ 1097.829196][T25624] Uninit was stored to memory at: [ 1097.834288][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1097.840013][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.845002][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.849710][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.854665][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.859658][T25624] do_syscall_64+0x9f/0x140 [ 1097.864192][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.870213][T25624] [ 1097.872547][T25624] Uninit was stored to memory at: [ 1097.877562][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1097.883332][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.888324][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.892955][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.897899][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.902771][T25624] do_syscall_64+0x9f/0x140 [ 1097.907290][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.913319][T25624] [ 1097.915670][T25624] Uninit was stored to memory at: [ 1097.920673][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1097.926398][T25624] __msan_chain_origin+0x54/0xa0 [ 1097.931344][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1097.935941][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1097.941039][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1097.945917][T25624] do_syscall_64+0x9f/0x140 [ 1097.950445][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1097.956347][T25624] [ 1097.958676][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1097.965341][T25624] do_recvmmsg+0xbf/0x22d0 [ 1097.969761][T25624] do_recvmmsg+0xbf/0x22d0 [ 1098.137397][T25621] not chained 830000 origins [ 1098.142032][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1098.150952][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1098.161107][T25621] Call Trace: [ 1098.164406][T25621] dump_stack+0x24c/0x2e0 [ 1098.168755][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1098.174860][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1098.180087][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1098.185983][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1098.191635][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1098.196831][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1098.202656][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1098.208754][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1098.213966][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1098.219641][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1098.225719][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1098.231009][T25621] ? _copy_from_user+0x1fd/0x300 [ 1098.235950][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1098.241168][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.246122][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.250751][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1098.256394][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1098.261699][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1098.266916][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1098.272033][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.277534][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.282928][T25621] do_syscall_64+0x9f/0x140 [ 1098.287434][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.293329][T25621] RIP: 0033:0x4665d9 [ 1098.297248][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1098.316946][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1098.325402][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1098.333379][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1098.341356][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1098.349415][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1098.357402][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1098.365382][T25621] Uninit was stored to memory at: [ 1098.370508][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1098.376256][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.381192][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.385779][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.390712][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.395574][T25621] do_syscall_64+0x9f/0x140 [ 1098.400077][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.405970][T25621] [ 1098.408285][T25621] Uninit was stored to memory at: [ 1098.413381][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1098.419306][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.424297][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.428894][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.433834][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.438703][T25621] do_syscall_64+0x9f/0x140 [ 1098.443217][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.449325][T25621] [ 1098.451661][T25621] Uninit was stored to memory at: [ 1098.456667][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1098.462389][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.467782][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.472396][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.477509][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.482506][T25621] do_syscall_64+0x9f/0x140 [ 1098.487018][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.492931][T25621] [ 1098.495250][T25621] Uninit was stored to memory at: [ 1098.500277][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1098.506021][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.510961][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.515575][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.520534][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.525391][T25621] do_syscall_64+0x9f/0x140 [ 1098.530024][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.535936][T25621] [ 1098.538254][T25621] Uninit was stored to memory at: [ 1098.543265][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1098.549024][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.553989][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.558761][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.563770][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.568625][T25621] do_syscall_64+0x9f/0x140 [ 1098.573221][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.579193][T25621] [ 1098.581513][T25621] Uninit was stored to memory at: [ 1098.586623][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1098.592346][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.597310][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.601922][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.607123][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.612010][T25621] do_syscall_64+0x9f/0x140 [ 1098.616654][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.622559][T25621] [ 1098.624885][T25621] Uninit was stored to memory at: [ 1098.630012][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1098.635773][T25621] __msan_chain_origin+0x54/0xa0 [ 1098.640736][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1098.645357][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1098.650298][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1098.655191][T25621] do_syscall_64+0x9f/0x140 [ 1098.659698][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1098.665741][T25621] [ 1098.668069][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1098.674737][T25621] do_recvmmsg+0xbf/0x22d0 [ 1098.679163][T25621] do_recvmmsg+0xbf/0x22d0 [ 1098.859062][T25624] not chained 840000 origins [ 1098.863819][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1098.872577][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1098.882635][T25624] Call Trace: [ 1098.885921][T25624] dump_stack+0x24c/0x2e0 [ 1098.890254][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1098.896063][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1098.901276][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1098.907184][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1098.912814][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1098.918018][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1098.923849][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1098.929922][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1098.935132][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1098.940789][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1098.946880][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1098.952241][T25624] ? _copy_from_user+0x1fd/0x300 [ 1098.957266][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1098.962779][T25624] __msan_chain_origin+0x54/0xa0 [ 1098.967726][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1098.972342][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1098.977978][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1098.983273][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1098.988503][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1098.993550][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1098.998497][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.003356][T25624] do_syscall_64+0x9f/0x140 [ 1099.007888][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.013784][T25624] RIP: 0033:0x4665d9 [ 1099.017698][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1099.037331][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1099.045751][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1099.053732][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1099.061725][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1099.069722][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1099.077700][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1099.086049][T25624] Uninit was stored to memory at: [ 1099.091168][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1099.096912][T25624] __msan_chain_origin+0x54/0xa0 [ 1099.101881][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1099.106478][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1099.111471][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.116343][T25624] do_syscall_64+0x9f/0x140 [ 1099.120876][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.126779][T25624] [ 1099.129140][T25624] Uninit was stored to memory at: [ 1099.134160][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1099.139894][T25624] __msan_chain_origin+0x54/0xa0 [ 1099.144849][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1099.149475][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1099.154579][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.159465][T25624] do_syscall_64+0x9f/0x140 [ 1099.164033][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.169944][T25624] [ 1099.172289][T25624] Uninit was stored to memory at: [ 1099.177360][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1099.183090][T25624] __msan_chain_origin+0x54/0xa0 [ 1099.188035][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1099.192635][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1099.197579][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.202446][T25624] do_syscall_64+0x9f/0x140 [ 1099.206965][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.212862][T25624] [ 1099.215204][T25624] Uninit was stored to memory at: [ 1099.220225][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1099.225957][T25624] __msan_chain_origin+0x54/0xa0 [ 1099.230917][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1099.235529][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1099.240552][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.245409][T25624] do_syscall_64+0x9f/0x140 [ 1099.249942][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.255847][T25624] [ 1099.258164][T25624] Uninit was stored to memory at: [ 1099.263183][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1099.268925][T25624] __msan_chain_origin+0x54/0xa0 [ 1099.273870][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1099.278492][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1099.283529][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.288382][T25624] do_syscall_64+0x9f/0x140 [ 1099.292913][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.298831][T25624] [ 1099.301176][T25624] Uninit was stored to memory at: [ 1099.306193][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1099.311964][T25624] __msan_chain_origin+0x54/0xa0 [ 1099.317051][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1099.321639][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1099.326747][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.331710][T25624] do_syscall_64+0x9f/0x140 [ 1099.336215][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.342124][T25624] [ 1099.344442][T25624] Uninit was stored to memory at: [ 1099.349445][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1099.355162][T25624] __msan_chain_origin+0x54/0xa0 [ 1099.360114][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1099.364702][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1099.369641][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1099.374508][T25624] do_syscall_64+0x9f/0x140 [ 1099.379027][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.385129][T25624] [ 1099.387461][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1099.394116][T25624] do_recvmmsg+0xbf/0x22d0 [ 1099.398634][T25624] do_recvmmsg+0xbf/0x22d0 [ 1099.584205][T25621] not chained 850000 origins [ 1099.588938][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1099.597701][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1099.607759][T25621] Call Trace: [ 1099.611043][T25621] dump_stack+0x24c/0x2e0 [ 1099.615459][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1099.621460][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1099.626689][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1099.632595][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1099.638250][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1099.643467][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1099.649370][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1099.655493][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1099.660722][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1099.666567][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1099.672648][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1099.677947][T25621] ? _copy_from_user+0x1fd/0x300 [ 1099.683304][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1099.688693][T25621] __msan_chain_origin+0x54/0xa0 [ 1099.693766][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1099.698387][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1099.704121][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1099.709435][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1099.714685][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1099.719841][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1099.724822][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1099.729695][T25621] do_syscall_64+0x9f/0x140 [ 1099.734253][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.740162][T25621] RIP: 0033:0x4665d9 [ 1099.744064][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1099.763694][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1099.772132][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1099.780110][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1099.788135][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1099.796455][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1099.804521][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1099.812516][T25621] Uninit was stored to memory at: [ 1099.817632][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1099.823445][T25621] __msan_chain_origin+0x54/0xa0 [ 1099.828404][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1099.833012][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1099.837949][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1099.842814][T25621] do_syscall_64+0x9f/0x140 [ 1099.847411][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.853332][T25621] [ 1099.855664][T25621] Uninit was stored to memory at: [ 1099.860679][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1099.866521][T25621] __msan_chain_origin+0x54/0xa0 [ 1099.871484][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1099.876100][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1099.881040][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1099.885906][T25621] do_syscall_64+0x9f/0x140 [ 1099.890425][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.896314][T25621] [ 1099.898625][T25621] Uninit was stored to memory at: [ 1099.903631][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1099.909368][T25621] __msan_chain_origin+0x54/0xa0 [ 1099.914336][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1099.918922][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1099.923857][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1099.928820][T25621] do_syscall_64+0x9f/0x140 [ 1099.933450][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.939364][T25621] [ 1099.941695][T25621] Uninit was stored to memory at: [ 1099.946721][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1099.952478][T25621] __msan_chain_origin+0x54/0xa0 [ 1099.957453][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1099.962109][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1099.967048][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1099.971906][T25621] do_syscall_64+0x9f/0x140 [ 1099.976428][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.982322][T25621] [ 1099.984656][T25621] Uninit was stored to memory at: [ 1099.989682][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1099.995404][T25621] __msan_chain_origin+0x54/0xa0 [ 1100.000341][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1100.005256][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1100.010210][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1100.015076][T25621] do_syscall_64+0x9f/0x140 [ 1100.019614][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.025596][T25621] [ 1100.027908][T25621] Uninit was stored to memory at: [ 1100.032927][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1100.038758][T25621] __msan_chain_origin+0x54/0xa0 [ 1100.043699][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1100.048301][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1100.053246][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1100.058139][T25621] do_syscall_64+0x9f/0x140 [ 1100.062646][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.068630][T25621] [ 1100.070968][T25621] Uninit was stored to memory at: [ 1100.075975][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1100.081698][T25621] __msan_chain_origin+0x54/0xa0 [ 1100.086775][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1100.091368][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1100.096307][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1100.101161][T25621] do_syscall_64+0x9f/0x140 [ 1100.105664][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.112040][T25621] [ 1100.114368][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1100.121051][T25621] do_recvmmsg+0xbf/0x22d0 [ 1100.125522][T25621] do_recvmmsg+0xbf/0x22d0 [ 1100.332090][T25624] not chained 860000 origins [ 1100.336717][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1100.345505][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1100.355582][T25624] Call Trace: [ 1100.358866][T25624] dump_stack+0x24c/0x2e0 [ 1100.363209][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1100.368974][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1100.374206][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1100.380121][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1100.385781][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1100.391019][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1100.396860][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1100.402934][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1100.408132][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1100.413874][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1100.419953][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1100.425260][T25624] ? _copy_from_user+0x1fd/0x300 [ 1100.430222][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1100.435495][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.440833][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.445493][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1100.451221][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1100.456619][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1100.461948][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1100.466989][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.472052][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.477092][T25624] do_syscall_64+0x9f/0x140 [ 1100.481602][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.487518][T25624] RIP: 0033:0x4665d9 [ 1100.491423][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1100.511304][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1100.519743][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1100.527821][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1100.535800][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1100.543834][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1100.551934][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1100.559920][T25624] Uninit was stored to memory at: [ 1100.564937][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1100.570669][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.575662][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.580268][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.585503][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.590381][T25624] do_syscall_64+0x9f/0x140 [ 1100.594916][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.600821][T25624] [ 1100.603162][T25624] Uninit was stored to memory at: [ 1100.608193][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1100.613958][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.618908][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.623522][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.628911][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.633918][T25624] do_syscall_64+0x9f/0x140 [ 1100.638462][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.644381][T25624] [ 1100.646715][T25624] Uninit was stored to memory at: [ 1100.651764][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1100.657711][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.662714][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.667314][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.672271][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.677162][T25624] do_syscall_64+0x9f/0x140 [ 1100.681673][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.687673][T25624] [ 1100.689993][T25624] Uninit was stored to memory at: [ 1100.695086][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1100.700812][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.705757][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.710352][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.715446][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.720346][T25624] do_syscall_64+0x9f/0x140 [ 1100.724874][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.730779][T25624] [ 1100.733107][T25624] Uninit was stored to memory at: [ 1100.738132][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1100.743952][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.748914][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.753511][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.758473][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.763341][T25624] do_syscall_64+0x9f/0x140 [ 1100.767871][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.773776][T25624] [ 1100.776116][T25624] Uninit was stored to memory at: [ 1100.781142][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1100.786886][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.791848][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.796507][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.801996][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.807099][T25624] do_syscall_64+0x9f/0x140 [ 1100.811892][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.817795][T25624] [ 1100.820111][T25624] Uninit was stored to memory at: [ 1100.825116][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1100.830843][T25624] __msan_chain_origin+0x54/0xa0 [ 1100.835784][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1100.840395][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1100.845428][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1100.850433][T25624] do_syscall_64+0x9f/0x140 [ 1100.854964][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1100.860863][T25624] [ 1100.863185][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1100.869950][T25624] do_recvmmsg+0xbf/0x22d0 [ 1100.874387][T25624] do_recvmmsg+0xbf/0x22d0 [ 1101.037464][T25621] not chained 870000 origins [ 1101.042079][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1101.050846][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1101.060904][T25621] Call Trace: [ 1101.064185][T25621] dump_stack+0x24c/0x2e0 [ 1101.068537][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1101.074274][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1101.079495][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1101.085468][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1101.091133][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1101.096381][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1101.102188][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1101.108272][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1101.113490][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1101.119144][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1101.125209][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1101.130494][T25621] ? _copy_from_user+0x1fd/0x300 [ 1101.135434][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1101.140649][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.145607][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.150205][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1101.155834][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1101.161116][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1101.166334][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1101.171381][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.176351][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.181225][T25621] do_syscall_64+0x9f/0x140 [ 1101.185746][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.191655][T25621] RIP: 0033:0x4665d9 [ 1101.195569][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1101.215261][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1101.223682][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1101.231664][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1101.239743][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1101.247747][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1101.255736][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1101.263715][T25621] Uninit was stored to memory at: [ 1101.268727][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1101.274468][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.279409][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.284005][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.288965][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.294079][T25621] do_syscall_64+0x9f/0x140 [ 1101.298585][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.304479][T25621] [ 1101.306794][T25621] Uninit was stored to memory at: [ 1101.311800][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1101.317524][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.322460][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.327064][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.332107][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.336966][T25621] do_syscall_64+0x9f/0x140 [ 1101.341476][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.347400][T25621] [ 1101.349719][T25621] Uninit was stored to memory at: [ 1101.354722][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1101.360456][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.365417][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.370073][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.375035][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.379993][T25621] do_syscall_64+0x9f/0x140 [ 1101.384522][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.390416][T25621] [ 1101.392730][T25621] Uninit was stored to memory at: [ 1101.397732][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1101.403559][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.408507][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.413141][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.418074][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.422922][T25621] do_syscall_64+0x9f/0x140 [ 1101.427439][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.433353][T25621] [ 1101.435703][T25621] Uninit was stored to memory at: [ 1101.440705][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1101.446423][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.451467][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.456088][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.461110][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.465959][T25621] do_syscall_64+0x9f/0x140 [ 1101.470522][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.476449][T25621] [ 1101.478796][T25621] Uninit was stored to memory at: [ 1101.483806][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1101.489566][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.494507][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.499151][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.504092][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.508951][T25621] do_syscall_64+0x9f/0x140 [ 1101.513465][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.519384][T25621] [ 1101.521717][T25621] Uninit was stored to memory at: [ 1101.526742][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1101.532476][T25621] __msan_chain_origin+0x54/0xa0 [ 1101.538049][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1101.542667][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1101.547627][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1101.552943][T25621] do_syscall_64+0x9f/0x140 [ 1101.557476][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.563382][T25621] [ 1101.565758][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1101.572459][T25621] do_recvmmsg+0xbf/0x22d0 [ 1101.576889][T25621] do_recvmmsg+0xbf/0x22d0 [ 1101.749040][T25624] not chained 880000 origins [ 1101.753760][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1101.762529][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1101.772733][T25624] Call Trace: [ 1101.776100][T25624] dump_stack+0x24c/0x2e0 [ 1101.780434][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1101.786156][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1101.791354][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1101.797270][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1101.802926][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1101.808125][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1101.813926][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1101.819993][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1101.825264][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1101.830899][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1101.837077][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1101.842365][T25624] ? _copy_from_user+0x1fd/0x300 [ 1101.847309][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1101.852516][T25624] __msan_chain_origin+0x54/0xa0 [ 1101.857491][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1101.862092][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1101.867734][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1101.873156][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1101.878363][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1101.883397][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1101.888342][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1101.893226][T25624] do_syscall_64+0x9f/0x140 [ 1101.897775][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1101.903687][T25624] RIP: 0033:0x4665d9 [ 1101.907598][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1101.927207][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1101.935651][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1101.943623][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1101.951612][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1101.959584][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1101.967643][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1101.975644][T25624] Uninit was stored to memory at: [ 1101.980676][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1101.986403][T25624] __msan_chain_origin+0x54/0xa0 [ 1101.991658][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1101.996314][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1102.001273][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1102.006660][T25624] do_syscall_64+0x9f/0x140 [ 1102.011260][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.017287][T25624] [ 1102.019606][T25624] Uninit was stored to memory at: [ 1102.024608][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1102.030339][T25624] __msan_chain_origin+0x54/0xa0 [ 1102.035274][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1102.040038][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1102.044977][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1102.049928][T25624] do_syscall_64+0x9f/0x140 [ 1102.054549][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.060451][T25624] [ 1102.062788][T25624] Uninit was stored to memory at: [ 1102.067794][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1102.073540][T25624] __msan_chain_origin+0x54/0xa0 [ 1102.078483][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1102.083086][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1102.088032][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1102.092901][T25624] do_syscall_64+0x9f/0x140 [ 1102.097413][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.103323][T25624] [ 1102.105660][T25624] Uninit was stored to memory at: [ 1102.110684][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1102.116402][T25624] __msan_chain_origin+0x54/0xa0 [ 1102.121333][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1102.125920][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1102.131003][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1102.135895][T25624] do_syscall_64+0x9f/0x140 [ 1102.140400][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.146496][T25624] [ 1102.148818][T25624] Uninit was stored to memory at: [ 1102.153927][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1102.159754][T25624] __msan_chain_origin+0x54/0xa0 [ 1102.164698][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1102.169296][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1102.174258][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1102.179155][T25624] do_syscall_64+0x9f/0x140 [ 1102.183864][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.189776][T25624] [ 1102.192108][T25624] Uninit was stored to memory at: [ 1102.197118][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1102.202846][T25624] __msan_chain_origin+0x54/0xa0 [ 1102.207793][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1102.212520][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1102.217477][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1102.222369][T25624] do_syscall_64+0x9f/0x140 [ 1102.226878][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.233228][T25624] [ 1102.235620][T25624] Uninit was stored to memory at: [ 1102.240645][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1102.246459][T25624] __msan_chain_origin+0x54/0xa0 [ 1102.251418][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1102.256024][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1102.261517][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1102.266562][T25624] do_syscall_64+0x9f/0x140 [ 1102.271312][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.278254][T25624] [ 1102.280576][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1102.287240][T25624] do_recvmmsg+0xbf/0x22d0 [ 1102.291767][T25624] do_recvmmsg+0xbf/0x22d0 [ 1102.452002][T25621] not chained 890000 origins [ 1102.456614][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1102.465390][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1102.475555][T25621] Call Trace: [ 1102.478848][T25621] dump_stack+0x24c/0x2e0 [ 1102.483193][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1102.488946][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1102.494228][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1102.500134][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1102.505788][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1102.511003][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1102.516816][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1102.522888][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1102.528117][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1102.533754][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1102.539824][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1102.545486][T25621] ? _copy_from_user+0x1fd/0x300 [ 1102.550451][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1102.555676][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.560746][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.565366][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1102.571024][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1102.576340][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1102.581588][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1102.586715][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.591681][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.596541][T25621] do_syscall_64+0x9f/0x140 [ 1102.601227][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.607218][T25621] RIP: 0033:0x4665d9 [ 1102.611219][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1102.631183][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1102.639603][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1102.647580][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1102.655555][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1102.663532][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1102.671557][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1102.679541][T25621] Uninit was stored to memory at: [ 1102.684554][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1102.690285][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.695238][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.699830][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.704808][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.709808][T25621] do_syscall_64+0x9f/0x140 [ 1102.714341][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.720243][T25621] [ 1102.722609][T25621] Uninit was stored to memory at: [ 1102.728486][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1102.734209][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.739145][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.743749][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.748704][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.753561][T25621] do_syscall_64+0x9f/0x140 [ 1102.758081][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.763977][T25621] [ 1102.766339][T25621] Uninit was stored to memory at: [ 1102.771345][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1102.777068][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.782009][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.786625][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.791674][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.796547][T25621] do_syscall_64+0x9f/0x140 [ 1102.801053][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.807053][T25621] [ 1102.809398][T25621] Uninit was stored to memory at: [ 1102.814402][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1102.820142][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.825116][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.829711][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.834663][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.839552][T25621] do_syscall_64+0x9f/0x140 [ 1102.844143][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.850124][T25621] [ 1102.852465][T25621] Uninit was stored to memory at: [ 1102.857471][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1102.863199][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.868162][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.872766][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.877960][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.882954][T25621] do_syscall_64+0x9f/0x140 [ 1102.887483][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.893381][T25621] [ 1102.895723][T25621] Uninit was stored to memory at: [ 1102.900727][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1102.906454][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.911407][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.916002][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.920956][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.925951][T25621] do_syscall_64+0x9f/0x140 [ 1102.930542][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.936509][T25621] [ 1102.938830][T25621] Uninit was stored to memory at: [ 1102.943850][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1102.949582][T25621] __msan_chain_origin+0x54/0xa0 [ 1102.954524][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1102.959116][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1102.964058][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1102.968909][T25621] do_syscall_64+0x9f/0x140 [ 1102.973412][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1102.979307][T25621] [ 1102.981640][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1102.988298][T25621] do_recvmmsg+0xbf/0x22d0 [ 1102.992955][T25621] do_recvmmsg+0xbf/0x22d0 [ 1103.169572][T25624] not chained 900000 origins [ 1103.174200][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1103.182981][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1103.193055][T25624] Call Trace: [ 1103.196355][T25624] dump_stack+0x24c/0x2e0 [ 1103.200705][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1103.206427][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1103.211664][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1103.217566][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1103.223225][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1103.228453][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1103.234317][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1103.240405][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1103.245622][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1103.251264][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1103.257355][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1103.262903][T25624] ? _copy_from_user+0x1fd/0x300 [ 1103.267853][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1103.273046][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.277989][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.282586][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1103.288227][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1103.293510][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1103.298836][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1103.303859][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.308823][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.313670][T25624] do_syscall_64+0x9f/0x140 [ 1103.318177][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.324918][T25624] RIP: 0033:0x4665d9 [ 1103.328822][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1103.348441][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1103.356859][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1103.364831][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1103.372898][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1103.380887][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1103.388861][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1103.396853][T25624] Uninit was stored to memory at: [ 1103.401982][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1103.407827][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.412809][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.417498][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.422558][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.427424][T25624] do_syscall_64+0x9f/0x140 [ 1103.432167][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.438071][T25624] [ 1103.440396][T25624] Uninit was stored to memory at: [ 1103.445405][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1103.451133][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.456080][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.460696][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.465644][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.470532][T25624] do_syscall_64+0x9f/0x140 [ 1103.475085][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.481103][T25624] [ 1103.483439][T25624] Uninit was stored to memory at: [ 1103.488446][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1103.494192][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.499133][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.503724][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.508665][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.513548][T25624] do_syscall_64+0x9f/0x140 [ 1103.518062][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.523981][T25624] [ 1103.526300][T25624] Uninit was stored to memory at: [ 1103.531748][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1103.537476][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.542609][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.547206][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.552146][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.556999][T25624] do_syscall_64+0x9f/0x140 [ 1103.561508][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.567422][T25624] [ 1103.569782][T25624] Uninit was stored to memory at: [ 1103.574840][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1103.580715][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.585675][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.590276][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.596288][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.601182][T25624] do_syscall_64+0x9f/0x140 [ 1103.605755][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.611662][T25624] [ 1103.614038][T25624] Uninit was stored to memory at: [ 1103.619057][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1103.625321][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.630284][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.634905][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.639847][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.644699][T25624] do_syscall_64+0x9f/0x140 [ 1103.649203][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.655195][T25624] [ 1103.657519][T25624] Uninit was stored to memory at: [ 1103.662551][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1103.668303][T25624] __msan_chain_origin+0x54/0xa0 [ 1103.673277][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1103.677922][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1103.682878][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1103.687750][T25624] do_syscall_64+0x9f/0x140 [ 1103.692258][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1103.698153][T25624] [ 1103.700468][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1103.707122][T25624] do_recvmmsg+0xbf/0x22d0 [ 1103.711549][T25624] do_recvmmsg+0xbf/0x22d0 [ 1103.876998][T25621] not chained 910000 origins [ 1103.881753][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1103.890507][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1103.900643][T25621] Call Trace: [ 1103.904429][T25621] dump_stack+0x24c/0x2e0 [ 1103.908774][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1103.914509][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1103.919724][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1103.925621][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1103.931261][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1103.936469][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1103.942297][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1103.948374][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1103.953608][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1103.959279][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1103.965362][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1103.970649][T25621] ? _copy_from_user+0x1fd/0x300 [ 1103.975584][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1103.981030][T25621] __msan_chain_origin+0x54/0xa0 [ 1103.985989][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1103.990598][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1103.996246][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1104.001535][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1104.006736][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1104.011850][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.016789][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.021653][T25621] do_syscall_64+0x9f/0x140 [ 1104.026167][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.032074][T25621] RIP: 0033:0x4665d9 [ 1104.036157][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1104.056070][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1104.064504][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1104.072491][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1104.080593][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1104.088597][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1104.096570][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1104.105428][T25621] Uninit was stored to memory at: [ 1104.110436][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1104.116167][T25621] __msan_chain_origin+0x54/0xa0 [ 1104.121096][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1104.125689][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.130620][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.135492][T25621] do_syscall_64+0x9f/0x140 [ 1104.139998][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.145897][T25621] [ 1104.148220][T25621] Uninit was stored to memory at: [ 1104.153227][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1104.158972][T25621] __msan_chain_origin+0x54/0xa0 [ 1104.163924][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1104.168509][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.173453][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.178298][T25621] do_syscall_64+0x9f/0x140 [ 1104.182803][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.188778][T25621] [ 1104.191105][T25621] Uninit was stored to memory at: [ 1104.196209][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1104.202003][T25621] __msan_chain_origin+0x54/0xa0 [ 1104.207095][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1104.211715][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.216743][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.221597][T25621] do_syscall_64+0x9f/0x140 [ 1104.226117][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.232011][T25621] [ 1104.234356][T25621] Uninit was stored to memory at: [ 1104.243340][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1104.249142][T25621] __msan_chain_origin+0x54/0xa0 [ 1104.254444][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1104.259050][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.263990][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.268878][T25621] do_syscall_64+0x9f/0x140 [ 1104.273414][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.279326][T25621] [ 1104.281749][T25621] Uninit was stored to memory at: [ 1104.286865][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1104.292635][T25621] __msan_chain_origin+0x54/0xa0 [ 1104.297600][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1104.302200][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.307142][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.312012][T25621] do_syscall_64+0x9f/0x140 [ 1104.316527][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.322578][T25621] [ 1104.324913][T25621] Uninit was stored to memory at: [ 1104.329929][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1104.335648][T25621] __msan_chain_origin+0x54/0xa0 [ 1104.340599][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1104.345210][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.350164][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.355045][T25621] do_syscall_64+0x9f/0x140 [ 1104.359559][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.365489][T25621] [ 1104.367806][T25621] Uninit was stored to memory at: [ 1104.372810][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1104.378533][T25621] __msan_chain_origin+0x54/0xa0 [ 1104.383491][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1104.388130][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1104.393065][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1104.397932][T25621] do_syscall_64+0x9f/0x140 [ 1104.402447][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.408347][T25621] [ 1104.410659][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1104.417328][T25621] do_recvmmsg+0xbf/0x22d0 [ 1104.421764][T25621] do_recvmmsg+0xbf/0x22d0 [ 1104.588316][T25624] not chained 920000 origins [ 1104.592945][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1104.601820][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1104.612335][T25624] Call Trace: [ 1104.615619][T25624] dump_stack+0x24c/0x2e0 [ 1104.619953][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1104.625927][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1104.631271][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1104.637198][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1104.642955][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1104.648168][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1104.653985][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1104.660077][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1104.665322][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1104.671216][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1104.677295][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1104.682584][T25624] ? _copy_from_user+0x1fd/0x300 [ 1104.687538][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1104.692854][T25624] __msan_chain_origin+0x54/0xa0 [ 1104.697811][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1104.702613][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1104.708555][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1104.713850][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1104.719118][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1104.724203][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1104.729172][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1104.734060][T25624] do_syscall_64+0x9f/0x140 [ 1104.738577][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.744504][T25624] RIP: 0033:0x4665d9 [ 1104.748424][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1104.768063][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1104.776553][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1104.784904][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1104.792880][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1104.800855][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1104.808838][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1104.816830][T25624] Uninit was stored to memory at: [ 1104.821851][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1104.827565][T25624] __msan_chain_origin+0x54/0xa0 [ 1104.832506][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1104.837102][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1104.842032][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1104.847002][T25624] do_syscall_64+0x9f/0x140 [ 1104.851515][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.857423][T25624] [ 1104.859733][T25624] Uninit was stored to memory at: [ 1104.864732][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1104.870467][T25624] __msan_chain_origin+0x54/0xa0 [ 1104.875603][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1104.880202][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1104.885221][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1104.890069][T25624] do_syscall_64+0x9f/0x140 [ 1104.894565][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.900453][T25624] [ 1104.902775][T25624] Uninit was stored to memory at: [ 1104.907775][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1104.913504][T25624] __msan_chain_origin+0x54/0xa0 [ 1104.918433][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1104.923033][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1104.927965][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1104.932829][T25624] do_syscall_64+0x9f/0x140 [ 1104.937364][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.943258][T25624] [ 1104.945596][T25624] Uninit was stored to memory at: [ 1104.950602][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1104.956373][T25624] __msan_chain_origin+0x54/0xa0 [ 1104.961313][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1104.965901][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1104.970841][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1104.975699][T25624] do_syscall_64+0x9f/0x140 [ 1104.980201][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1104.986291][T25624] [ 1104.988609][T25624] Uninit was stored to memory at: [ 1104.993615][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1104.999342][T25624] __msan_chain_origin+0x54/0xa0 [ 1105.004282][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1105.008884][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1105.013823][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1105.018671][T25624] do_syscall_64+0x9f/0x140 [ 1105.023179][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.029069][T25624] [ 1105.031387][T25624] Uninit was stored to memory at: [ 1105.036391][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1105.042110][T25624] __msan_chain_origin+0x54/0xa0 [ 1105.047048][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1105.051672][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1105.056638][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1105.061496][T25624] do_syscall_64+0x9f/0x140 [ 1105.066009][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.071907][T25624] [ 1105.074237][T25624] Uninit was stored to memory at: [ 1105.079254][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1105.084988][T25624] __msan_chain_origin+0x54/0xa0 [ 1105.089928][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1105.094546][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1105.100358][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1105.105211][T25624] do_syscall_64+0x9f/0x140 [ 1105.109717][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.115626][T25624] [ 1105.117957][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1105.124630][T25624] do_recvmmsg+0xbf/0x22d0 [ 1105.129047][T25624] do_recvmmsg+0xbf/0x22d0 [ 1105.309462][T25621] not chained 930000 origins [ 1105.314199][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1105.323072][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1105.333130][T25621] Call Trace: [ 1105.336413][T25621] dump_stack+0x24c/0x2e0 [ 1105.340753][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1105.346510][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1105.351727][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1105.357740][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1105.363389][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1105.368601][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1105.374428][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1105.380535][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1105.385740][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1105.391380][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1105.397568][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1105.402911][T25621] ? _copy_from_user+0x1fd/0x300 [ 1105.407872][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1105.413601][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.418541][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.423139][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1105.428788][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1105.434087][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1105.439291][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1105.444323][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.449275][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.454128][T25621] do_syscall_64+0x9f/0x140 [ 1105.458634][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.464527][T25621] RIP: 0033:0x4665d9 [ 1105.468418][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1105.488146][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1105.496560][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1105.504530][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1105.512505][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1105.520561][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1105.528527][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1105.536561][T25621] Uninit was stored to memory at: [ 1105.541586][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1105.547315][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.552284][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.557131][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.562065][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.566906][T25621] do_syscall_64+0x9f/0x140 [ 1105.571427][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.577375][T25621] [ 1105.579690][T25621] Uninit was stored to memory at: [ 1105.584887][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1105.590609][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.595552][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.600162][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.605099][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.609943][T25621] do_syscall_64+0x9f/0x140 [ 1105.614447][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.620381][T25621] [ 1105.622698][T25621] Uninit was stored to memory at: [ 1105.627699][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1105.633417][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.638379][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.642977][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.647923][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.652879][T25621] do_syscall_64+0x9f/0x140 [ 1105.657381][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.663391][T25621] [ 1105.665705][T25621] Uninit was stored to memory at: [ 1105.670703][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1105.676420][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.681350][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.685954][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.690887][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.695760][T25621] do_syscall_64+0x9f/0x140 [ 1105.700268][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.706155][T25621] [ 1105.708469][T25621] Uninit was stored to memory at: [ 1105.713557][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1105.719314][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.724266][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.728852][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.733797][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.738661][T25621] do_syscall_64+0x9f/0x140 [ 1105.743447][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.749518][T25621] [ 1105.751904][T25621] Uninit was stored to memory at: [ 1105.756956][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1105.762692][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.767638][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.772234][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.777175][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.782034][T25621] do_syscall_64+0x9f/0x140 [ 1105.786586][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.792531][T25621] [ 1105.794865][T25621] Uninit was stored to memory at: [ 1105.799883][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1105.805605][T25621] __msan_chain_origin+0x54/0xa0 [ 1105.810544][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1105.815140][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1105.820089][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1105.824943][T25621] do_syscall_64+0x9f/0x140 [ 1105.829450][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1105.835350][T25621] [ 1105.837662][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1105.844317][T25621] do_recvmmsg+0xbf/0x22d0 [ 1105.848737][T25621] do_recvmmsg+0xbf/0x22d0 [ 1106.019600][T25624] not chained 940000 origins [ 1106.024216][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1106.033508][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1106.043573][T25624] Call Trace: [ 1106.046873][T25624] dump_stack+0x24c/0x2e0 [ 1106.051197][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1106.056926][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1106.062127][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1106.068019][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1106.073651][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1106.078850][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1106.084672][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1106.090737][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1106.096118][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1106.101771][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1106.107835][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1106.113115][T25624] ? _copy_from_user+0x1fd/0x300 [ 1106.118063][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1106.123279][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.128259][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.132879][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1106.138547][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1106.143827][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1106.149035][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1106.154073][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.159016][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.163863][T25624] do_syscall_64+0x9f/0x140 [ 1106.168401][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.174308][T25624] RIP: 0033:0x4665d9 [ 1106.178230][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1106.197834][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1106.206280][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1106.214278][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1106.222260][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1106.230231][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1106.238207][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1106.246206][T25624] Uninit was stored to memory at: [ 1106.251225][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1106.256969][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.261914][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.266513][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.271453][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.276429][T25624] do_syscall_64+0x9f/0x140 [ 1106.280941][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.286853][T25624] [ 1106.289173][T25624] Uninit was stored to memory at: [ 1106.294451][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1106.300192][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.305148][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.309750][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.314688][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.319537][T25624] do_syscall_64+0x9f/0x140 [ 1106.324063][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.329967][T25624] [ 1106.332297][T25624] Uninit was stored to memory at: [ 1106.337320][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1106.343195][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.348179][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.352788][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.357732][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.362602][T25624] do_syscall_64+0x9f/0x140 [ 1106.367108][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.373006][T25624] [ 1106.375492][T25624] Uninit was stored to memory at: [ 1106.380509][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1106.386238][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.391173][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.395869][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.400800][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.405652][T25624] do_syscall_64+0x9f/0x140 [ 1106.410303][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.416215][T25624] [ 1106.418546][T25624] Uninit was stored to memory at: [ 1106.423553][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1106.429311][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.435843][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.440561][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.445531][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.450400][T25624] do_syscall_64+0x9f/0x140 [ 1106.454908][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.460808][T25624] [ 1106.463185][T25624] Uninit was stored to memory at: [ 1106.468210][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1106.474059][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.479010][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.483606][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.488562][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.493442][T25624] do_syscall_64+0x9f/0x140 [ 1106.497960][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.503871][T25624] [ 1106.506186][T25624] Uninit was stored to memory at: [ 1106.511380][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1106.517104][T25624] __msan_chain_origin+0x54/0xa0 [ 1106.522088][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1106.526684][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1106.531635][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1106.536485][T25624] do_syscall_64+0x9f/0x140 [ 1106.541016][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.546914][T25624] [ 1106.549242][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1106.555902][T25624] do_recvmmsg+0xbf/0x22d0 [ 1106.560348][T25624] do_recvmmsg+0xbf/0x22d0 [ 1106.744833][T25621] not chained 950000 origins [ 1106.749577][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1106.758695][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1106.768759][T25621] Call Trace: [ 1106.772039][T25621] dump_stack+0x24c/0x2e0 [ 1106.776395][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1106.782129][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1106.787336][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1106.793232][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1106.799005][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1106.804320][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1106.810145][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1106.816238][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1106.821465][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1106.827110][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1106.833203][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1106.838526][T25621] ? _copy_from_user+0x1fd/0x300 [ 1106.843485][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1106.848905][T25621] __msan_chain_origin+0x54/0xa0 [ 1106.853858][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1106.858456][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1106.864091][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1106.869386][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1106.874788][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1106.879907][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1106.884864][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1106.889819][T25621] do_syscall_64+0x9f/0x140 [ 1106.894328][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1106.900240][T25621] RIP: 0033:0x4665d9 [ 1106.904123][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1106.923743][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1106.932257][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1106.940232][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1106.948370][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1106.956383][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1106.964363][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1106.972391][T25621] Uninit was stored to memory at: [ 1106.977840][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1106.983565][T25621] __msan_chain_origin+0x54/0xa0 [ 1106.988521][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1106.993128][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1106.998073][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1107.002933][T25621] do_syscall_64+0x9f/0x140 [ 1107.008221][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.014129][T25621] [ 1107.016464][T25621] Uninit was stored to memory at: [ 1107.021510][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1107.027265][T25621] __msan_chain_origin+0x54/0xa0 [ 1107.032207][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1107.036825][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1107.041780][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1107.046638][T25621] do_syscall_64+0x9f/0x140 [ 1107.051151][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.057069][T25621] [ 1107.059426][T25621] Uninit was stored to memory at: [ 1107.064577][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1107.070460][T25621] __msan_chain_origin+0x54/0xa0 [ 1107.075419][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1107.080012][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1107.084952][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1107.089811][T25621] do_syscall_64+0x9f/0x140 [ 1107.094323][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.100255][T25621] [ 1107.102574][T25621] Uninit was stored to memory at: [ 1107.107586][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1107.113328][T25621] __msan_chain_origin+0x54/0xa0 [ 1107.118307][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1107.122906][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1107.127887][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1107.132768][T25621] do_syscall_64+0x9f/0x140 [ 1107.137277][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.143177][T25621] [ 1107.145513][T25621] Uninit was stored to memory at: [ 1107.150539][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1107.156302][T25621] __msan_chain_origin+0x54/0xa0 [ 1107.161247][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1107.165852][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1107.170803][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1107.175677][T25621] do_syscall_64+0x9f/0x140 [ 1107.180199][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.186118][T25621] [ 1107.188459][T25621] Uninit was stored to memory at: [ 1107.193479][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1107.199219][T25621] __msan_chain_origin+0x54/0xa0 [ 1107.204171][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1107.208787][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1107.213739][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1107.218608][T25621] do_syscall_64+0x9f/0x140 [ 1107.223130][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.229206][T25621] [ 1107.231542][T25621] Uninit was stored to memory at: [ 1107.236567][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1107.242313][T25621] __msan_chain_origin+0x54/0xa0 [ 1107.247262][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1107.251960][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1107.256943][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1107.261803][T25621] do_syscall_64+0x9f/0x140 [ 1107.266422][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.272371][T25621] [ 1107.274699][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1107.281455][T25621] do_recvmmsg+0xbf/0x22d0 [ 1107.285893][T25621] do_recvmmsg+0xbf/0x22d0 [ 1107.537697][T25624] not chained 960000 origins [ 1107.542502][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1107.551286][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1107.561353][T25624] Call Trace: [ 1107.564639][T25624] dump_stack+0x24c/0x2e0 [ 1107.569048][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1107.575139][T25624] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1107.580965][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1107.586194][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1107.592109][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1107.597856][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1107.603108][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1107.608942][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1107.615044][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1107.620265][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1107.625917][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1107.631993][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1107.637288][T25624] ? _copy_from_user+0x1fd/0x300 [ 1107.642240][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1107.647531][T25624] __msan_chain_origin+0x54/0xa0 [ 1107.652472][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1107.657087][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1107.662724][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1107.668019][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1107.673231][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1107.678317][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1107.683270][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1107.688177][T25624] do_syscall_64+0x9f/0x140 [ 1107.692712][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.698795][T25624] RIP: 0033:0x4665d9 [ 1107.702697][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1107.722417][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1107.730904][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1107.738925][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1107.747038][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1107.755029][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1107.763088][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1107.771104][T25624] Uninit was stored to memory at: [ 1107.776277][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1107.782216][T25624] __msan_chain_origin+0x54/0xa0 [ 1107.787166][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1107.791806][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1107.796760][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1107.801627][T25624] do_syscall_64+0x9f/0x140 [ 1107.806265][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.812192][T25624] [ 1107.814516][T25624] Uninit was stored to memory at: [ 1107.819528][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1107.825252][T25624] __msan_chain_origin+0x54/0xa0 [ 1107.830191][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1107.834783][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1107.839725][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1107.844615][T25624] do_syscall_64+0x9f/0x140 [ 1107.849158][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.855315][T25624] [ 1107.857725][T25624] Uninit was stored to memory at: [ 1107.862796][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1107.868650][T25624] __msan_chain_origin+0x54/0xa0 [ 1107.873596][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1107.878182][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1107.883120][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1107.888081][T25624] do_syscall_64+0x9f/0x140 [ 1107.892590][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.898482][T25624] [ 1107.901176][T25624] Uninit was stored to memory at: [ 1107.906211][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1107.911957][T25624] __msan_chain_origin+0x54/0xa0 [ 1107.916928][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1107.921547][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1107.926510][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1107.931473][T25624] do_syscall_64+0x9f/0x140 [ 1107.936026][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.941927][T25624] [ 1107.944270][T25624] Uninit was stored to memory at: [ 1107.949292][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1107.955067][T25624] __msan_chain_origin+0x54/0xa0 [ 1107.960172][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1107.964775][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1107.969768][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1107.974803][T25624] do_syscall_64+0x9f/0x140 [ 1107.980013][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1107.985929][T25624] [ 1107.988245][T25624] Uninit was stored to memory at: [ 1107.993254][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1107.999005][T25624] __msan_chain_origin+0x54/0xa0 [ 1108.003971][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1108.008568][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1108.013516][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1108.018747][T25624] do_syscall_64+0x9f/0x140 [ 1108.023260][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.029221][T25624] [ 1108.031539][T25624] Uninit was stored to memory at: [ 1108.036548][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1108.042330][T25624] __msan_chain_origin+0x54/0xa0 [ 1108.047320][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1108.051952][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1108.056921][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1108.062000][T25624] do_syscall_64+0x9f/0x140 [ 1108.066671][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.072577][T25624] [ 1108.074896][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1108.081581][T25624] do_recvmmsg+0xbf/0x22d0 [ 1108.086785][T25624] do_recvmmsg+0xbf/0x22d0 [ 1108.242263][T25621] not chained 970000 origins [ 1108.247036][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1108.255817][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1108.265877][T25621] Call Trace: [ 1108.269159][T25621] dump_stack+0x24c/0x2e0 [ 1108.273489][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1108.279219][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1108.284478][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1108.290518][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1108.296187][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1108.301395][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1108.307231][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1108.313339][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1108.318604][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1108.324251][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1108.330335][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1108.335758][T25621] ? _copy_from_user+0x1fd/0x300 [ 1108.340724][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1108.346204][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.351182][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.355825][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1108.361466][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1108.366925][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1108.372913][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1108.378031][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.382972][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.387946][T25621] do_syscall_64+0x9f/0x140 [ 1108.392465][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.398375][T25621] RIP: 0033:0x4665d9 [ 1108.402288][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1108.422073][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1108.430729][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1108.438731][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1108.446816][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1108.454894][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1108.462902][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1108.471873][T25621] Uninit was stored to memory at: [ 1108.476898][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1108.482633][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.487581][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.492179][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.497131][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.501985][T25621] do_syscall_64+0x9f/0x140 [ 1108.506522][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.512455][T25621] [ 1108.514772][T25621] Uninit was stored to memory at: [ 1108.519774][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1108.525496][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.530457][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.535080][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.540019][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.545030][T25621] do_syscall_64+0x9f/0x140 [ 1108.549556][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.555453][T25621] [ 1108.557769][T25621] Uninit was stored to memory at: [ 1108.562790][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1108.568601][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.573560][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.578161][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.583115][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.587969][T25621] do_syscall_64+0x9f/0x140 [ 1108.592755][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.598678][T25621] [ 1108.601003][T25621] Uninit was stored to memory at: [ 1108.606189][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1108.611918][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.616856][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.621463][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.626450][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.631561][T25621] do_syscall_64+0x9f/0x140 [ 1108.636088][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.642131][T25621] [ 1108.644487][T25621] Uninit was stored to memory at: [ 1108.649507][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1108.655237][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.660188][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.664901][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.669853][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.674729][T25621] do_syscall_64+0x9f/0x140 [ 1108.679235][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.685187][T25621] [ 1108.687506][T25621] Uninit was stored to memory at: [ 1108.693118][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1108.699115][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.704061][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.708668][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.713609][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.718479][T25621] do_syscall_64+0x9f/0x140 [ 1108.723011][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.729119][T25621] [ 1108.731440][T25621] Uninit was stored to memory at: [ 1108.736451][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1108.742308][T25621] __msan_chain_origin+0x54/0xa0 [ 1108.747365][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1108.752076][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1108.757026][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1108.762840][T25621] do_syscall_64+0x9f/0x140 [ 1108.767370][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1108.773527][T25621] [ 1108.776009][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1108.782779][T25621] do_recvmmsg+0xbf/0x22d0 [ 1108.787297][T25621] do_recvmmsg+0xbf/0x22d0 [ 1108.958019][T25624] not chained 980000 origins [ 1108.962660][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1108.971459][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1108.981617][T25624] Call Trace: [ 1108.985011][T25624] dump_stack+0x24c/0x2e0 [ 1108.989362][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1108.995095][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1109.000329][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1109.006250][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1109.011912][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1109.017139][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1109.022965][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1109.029047][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1109.034270][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1109.039911][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1109.046003][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1109.051295][T25624] ? _copy_from_user+0x1fd/0x300 [ 1109.056261][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1109.061470][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.066452][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.071070][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1109.076721][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1109.082013][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1109.087236][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1109.092269][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.097214][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.102068][T25624] do_syscall_64+0x9f/0x140 [ 1109.106572][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.112465][T25624] RIP: 0033:0x4665d9 [ 1109.116356][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1109.135980][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1109.144417][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1109.152413][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1109.160397][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1109.168379][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1109.176876][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1109.184871][T25624] Uninit was stored to memory at: [ 1109.189897][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1109.195683][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.200790][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.205531][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.210499][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.215437][T25624] do_syscall_64+0x9f/0x140 [ 1109.219958][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.225903][T25624] [ 1109.228223][T25624] Uninit was stored to memory at: [ 1109.233344][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1109.239090][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.244046][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.248646][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.253591][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.258474][T25624] do_syscall_64+0x9f/0x140 [ 1109.263042][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.268943][T25624] [ 1109.271262][T25624] Uninit was stored to memory at: [ 1109.276302][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1109.282273][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.287218][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.291834][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.296783][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.302099][T25624] do_syscall_64+0x9f/0x140 [ 1109.306613][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.312510][T25624] [ 1109.314830][T25624] Uninit was stored to memory at: [ 1109.319843][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1109.325590][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.330532][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.335130][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.340074][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.344935][T25624] do_syscall_64+0x9f/0x140 [ 1109.349446][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.355371][T25624] [ 1109.357703][T25624] Uninit was stored to memory at: [ 1109.362849][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1109.368586][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.373618][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.378233][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.383190][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.388067][T25624] do_syscall_64+0x9f/0x140 [ 1109.392578][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.398610][T25624] [ 1109.400930][T25624] Uninit was stored to memory at: [ 1109.405939][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1109.412012][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.417365][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.422207][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.427164][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.432125][T25624] do_syscall_64+0x9f/0x140 [ 1109.436662][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.442569][T25624] [ 1109.444920][T25624] Uninit was stored to memory at: [ 1109.449944][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1109.455676][T25624] __msan_chain_origin+0x54/0xa0 [ 1109.460619][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1109.465220][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1109.470165][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1109.475055][T25624] do_syscall_64+0x9f/0x140 [ 1109.479572][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.485501][T25624] [ 1109.487849][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1109.494644][T25624] do_recvmmsg+0xbf/0x22d0 [ 1109.499069][T25624] do_recvmmsg+0xbf/0x22d0 [ 1109.674862][T25621] not chained 990000 origins [ 1109.679654][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1109.688415][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1109.698488][T25621] Call Trace: [ 1109.701923][T25621] dump_stack+0x24c/0x2e0 [ 1109.706270][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1109.712002][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1109.717212][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1109.723113][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1109.728785][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1109.734017][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1109.739886][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1109.745976][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1109.751193][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1109.756872][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1109.762975][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1109.768488][T25621] ? _copy_from_user+0x1fd/0x300 [ 1109.773575][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1109.779013][T25621] __msan_chain_origin+0x54/0xa0 [ 1109.784069][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1109.788798][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1109.794458][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1109.799774][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1109.805232][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1109.810270][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1109.815224][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1109.820193][T25621] do_syscall_64+0x9f/0x140 [ 1109.824818][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.830726][T25621] RIP: 0033:0x4665d9 [ 1109.834674][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1109.854306][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1109.862751][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1109.870865][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1109.879019][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1109.887033][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1109.895043][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1109.903029][T25621] Uninit was stored to memory at: [ 1109.908331][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1109.914066][T25621] __msan_chain_origin+0x54/0xa0 [ 1109.919036][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1109.923670][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1109.928763][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1109.933797][T25621] do_syscall_64+0x9f/0x140 [ 1109.938322][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.944336][T25621] [ 1109.946672][T25621] Uninit was stored to memory at: [ 1109.951716][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1109.957482][T25621] __msan_chain_origin+0x54/0xa0 [ 1109.962548][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1109.967288][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1109.972274][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1109.977141][T25621] do_syscall_64+0x9f/0x140 [ 1109.981678][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1109.987590][T25621] [ 1109.989930][T25621] Uninit was stored to memory at: [ 1109.995061][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1110.000799][T25621] __msan_chain_origin+0x54/0xa0 [ 1110.005751][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1110.010377][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1110.015324][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1110.020185][T25621] do_syscall_64+0x9f/0x140 [ 1110.024720][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.030634][T25621] [ 1110.032953][T25621] Uninit was stored to memory at: [ 1110.037959][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1110.043702][T25621] __msan_chain_origin+0x54/0xa0 [ 1110.048662][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1110.053320][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1110.058448][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1110.063364][T25621] do_syscall_64+0x9f/0x140 [ 1110.067979][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.073887][T25621] [ 1110.076206][T25621] Uninit was stored to memory at: [ 1110.081212][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1110.086940][T25621] __msan_chain_origin+0x54/0xa0 [ 1110.091888][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1110.096512][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1110.101464][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1110.106329][T25621] do_syscall_64+0x9f/0x140 [ 1110.110843][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.116855][T25621] [ 1110.119177][T25621] Uninit was stored to memory at: [ 1110.124184][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1110.130038][T25621] __msan_chain_origin+0x54/0xa0 [ 1110.134987][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1110.139590][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1110.144561][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1110.149435][T25621] do_syscall_64+0x9f/0x140 [ 1110.153972][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.159873][T25621] [ 1110.162494][T25621] Uninit was stored to memory at: [ 1110.167596][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1110.173443][T25621] __msan_chain_origin+0x54/0xa0 [ 1110.178385][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1110.183027][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1110.187985][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1110.192958][T25621] do_syscall_64+0x9f/0x140 [ 1110.197489][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.203418][T25621] [ 1110.205757][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1110.212410][T25621] do_recvmmsg+0xbf/0x22d0 [ 1110.216890][T25621] do_recvmmsg+0xbf/0x22d0 [ 1110.392489][T25624] not chained 1000000 origins [ 1110.397204][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1110.405988][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1110.416134][T25624] Call Trace: [ 1110.419419][T25624] dump_stack+0x24c/0x2e0 [ 1110.423754][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1110.429496][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1110.434705][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1110.440609][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1110.446249][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1110.451455][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1110.457291][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1110.463371][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1110.468586][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1110.474358][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1110.480446][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1110.485760][T25624] ? _copy_from_user+0x1fd/0x300 [ 1110.490723][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1110.496073][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.501035][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.505738][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1110.511376][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1110.516782][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1110.522000][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1110.527040][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.531987][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.536936][T25624] do_syscall_64+0x9f/0x140 [ 1110.541449][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.547384][T25624] RIP: 0033:0x4665d9 [ 1110.551334][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1110.570943][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1110.580510][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1110.588511][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1110.596543][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1110.604775][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1110.612991][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1110.620974][T25624] Uninit was stored to memory at: [ 1110.626010][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1110.631740][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.636686][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.641278][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.646214][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.651066][T25624] do_syscall_64+0x9f/0x140 [ 1110.655579][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.661491][T25624] [ 1110.663809][T25624] Uninit was stored to memory at: [ 1110.668929][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1110.674757][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.679701][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.684318][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.689270][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.694873][T25624] do_syscall_64+0x9f/0x140 [ 1110.699387][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.705283][T25624] [ 1110.707622][T25624] Uninit was stored to memory at: [ 1110.712670][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1110.718422][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.723376][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.728021][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.733055][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.738194][T25624] do_syscall_64+0x9f/0x140 [ 1110.742724][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.748629][T25624] [ 1110.750948][T25624] Uninit was stored to memory at: [ 1110.757716][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1110.763466][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.768417][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.773045][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.777994][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.782848][T25624] do_syscall_64+0x9f/0x140 [ 1110.787354][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.793283][T25624] [ 1110.795623][T25624] Uninit was stored to memory at: [ 1110.800653][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1110.806412][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.811389][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.815983][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.821012][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.825872][T25624] do_syscall_64+0x9f/0x140 [ 1110.830381][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.836284][T25624] [ 1110.838618][T25624] Uninit was stored to memory at: [ 1110.843634][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1110.849362][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.854304][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.858907][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.863848][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.868727][T25624] do_syscall_64+0x9f/0x140 [ 1110.873337][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.879260][T25624] [ 1110.881593][T25624] Uninit was stored to memory at: [ 1110.886617][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1110.892502][T25624] __msan_chain_origin+0x54/0xa0 [ 1110.897455][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1110.902062][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1110.907008][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1110.911872][T25624] do_syscall_64+0x9f/0x140 [ 1110.916424][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1110.922355][T25624] [ 1110.924684][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1110.931354][T25624] do_recvmmsg+0xbf/0x22d0 [ 1110.936754][T25624] do_recvmmsg+0xbf/0x22d0 [ 1111.090509][T25621] not chained 1010000 origins [ 1111.095212][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1111.103986][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1111.114071][T25621] Call Trace: [ 1111.117358][T25621] dump_stack+0x24c/0x2e0 [ 1111.121731][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1111.127564][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1111.133206][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1111.139117][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1111.144761][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1111.150016][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1111.155959][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1111.162206][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1111.167418][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1111.173075][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1111.179179][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1111.184477][T25621] ? _copy_from_user+0x1fd/0x300 [ 1111.189569][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1111.195181][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.200168][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.204782][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1111.210424][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1111.216159][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1111.221371][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1111.226424][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.231386][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.236248][T25621] do_syscall_64+0x9f/0x140 [ 1111.240771][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.246703][T25621] RIP: 0033:0x4665d9 [ 1111.250614][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1111.270392][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1111.279014][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1111.288494][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1111.296491][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1111.304486][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1111.312582][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1111.320570][T25621] Uninit was stored to memory at: [ 1111.325710][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1111.331508][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.336488][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.341090][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.346058][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.351004][T25621] do_syscall_64+0x9f/0x140 [ 1111.355528][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.361715][T25621] [ 1111.364052][T25621] Uninit was stored to memory at: [ 1111.369057][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1111.374797][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.379746][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.384732][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.389676][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.394646][T25621] do_syscall_64+0x9f/0x140 [ 1111.399196][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.405106][T25621] [ 1111.407420][T25621] Uninit was stored to memory at: [ 1111.412427][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1111.418699][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.423681][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.428443][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.433776][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.438966][T25621] do_syscall_64+0x9f/0x140 [ 1111.443560][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.449634][T25621] [ 1111.451964][T25621] Uninit was stored to memory at: [ 1111.456978][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1111.462722][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.467753][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.472356][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.477360][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.482209][T25621] do_syscall_64+0x9f/0x140 [ 1111.486732][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.493295][T25621] [ 1111.495667][T25621] Uninit was stored to memory at: [ 1111.500688][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1111.506441][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.511756][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.516380][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.521345][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.526221][T25621] do_syscall_64+0x9f/0x140 [ 1111.530775][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.536852][T25621] [ 1111.539169][T25621] Uninit was stored to memory at: [ 1111.544174][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1111.550342][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.555325][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.560034][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.565010][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.569877][T25621] do_syscall_64+0x9f/0x140 [ 1111.574396][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.580423][T25621] [ 1111.582790][T25621] Uninit was stored to memory at: [ 1111.587950][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1111.593961][T25621] __msan_chain_origin+0x54/0xa0 [ 1111.599264][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1111.603868][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1111.608841][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1111.613709][T25621] do_syscall_64+0x9f/0x140 [ 1111.618254][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.624157][T25621] [ 1111.626487][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1111.633227][T25621] do_recvmmsg+0xbf/0x22d0 [ 1111.637701][T25621] do_recvmmsg+0xbf/0x22d0 [ 1111.807506][T25624] not chained 1020000 origins [ 1111.812236][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1111.821008][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1111.831070][T25624] Call Trace: [ 1111.834359][T25624] dump_stack+0x24c/0x2e0 [ 1111.838736][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1111.844487][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1111.850145][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1111.856071][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1111.861715][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1111.866934][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1111.872763][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1111.878849][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1111.884067][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1111.889798][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1111.895887][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1111.901307][T25624] ? _copy_from_user+0x1fd/0x300 [ 1111.906337][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1111.911554][T25624] __msan_chain_origin+0x54/0xa0 [ 1111.916600][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1111.923212][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1111.929257][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1111.934575][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1111.940410][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1111.945449][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1111.950695][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1111.955601][T25624] do_syscall_64+0x9f/0x140 [ 1111.960156][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1111.966068][T25624] RIP: 0033:0x4665d9 [ 1111.969969][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1111.989925][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1111.998362][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1112.006527][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1112.014620][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1112.022615][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1112.030855][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1112.038847][T25624] Uninit was stored to memory at: [ 1112.043895][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1112.049646][T25624] __msan_chain_origin+0x54/0xa0 [ 1112.054596][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1112.059217][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1112.064185][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1112.069154][T25624] do_syscall_64+0x9f/0x140 [ 1112.073726][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.079633][T25624] [ 1112.081956][T25624] Uninit was stored to memory at: [ 1112.087394][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1112.093385][T25624] __msan_chain_origin+0x54/0xa0 [ 1112.098464][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1112.103088][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1112.108034][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1112.112889][T25624] do_syscall_64+0x9f/0x140 [ 1112.117410][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.123450][T25624] [ 1112.125765][T25624] Uninit was stored to memory at: [ 1112.130781][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1112.136521][T25624] __msan_chain_origin+0x54/0xa0 [ 1112.141490][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1112.146111][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1112.151061][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1112.155907][T25624] do_syscall_64+0x9f/0x140 [ 1112.160441][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.166334][T25624] [ 1112.168655][T25624] Uninit was stored to memory at: [ 1112.173662][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1112.179476][T25624] __msan_chain_origin+0x54/0xa0 [ 1112.184417][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1112.189963][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1112.194906][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1112.199778][T25624] do_syscall_64+0x9f/0x140 [ 1112.204281][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.211051][T25624] [ 1112.213380][T25624] Uninit was stored to memory at: [ 1112.218389][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1112.224824][T25624] __msan_chain_origin+0x54/0xa0 [ 1112.229773][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1112.234364][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1112.239389][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1112.244269][T25624] do_syscall_64+0x9f/0x140 [ 1112.248806][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.255044][T25624] [ 1112.257387][T25624] Uninit was stored to memory at: [ 1112.262500][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1112.268249][T25624] __msan_chain_origin+0x54/0xa0 [ 1112.273200][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1112.277808][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1112.282742][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1112.287586][T25624] do_syscall_64+0x9f/0x140 [ 1112.292101][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.298047][T25624] [ 1112.300462][T25624] Uninit was stored to memory at: [ 1112.305484][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1112.311225][T25624] __msan_chain_origin+0x54/0xa0 [ 1112.316191][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1112.320798][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1112.325743][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1112.330604][T25624] do_syscall_64+0x9f/0x140 [ 1112.335112][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.341170][T25624] [ 1112.343494][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1112.350152][T25624] do_recvmmsg+0xbf/0x22d0 [ 1112.354572][T25624] do_recvmmsg+0xbf/0x22d0 [ 1112.517771][T25621] not chained 1030000 origins [ 1112.522596][T25621] CPU: 0 PID: 25621 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1112.531372][T25621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1112.541461][T25621] Call Trace: [ 1112.544780][T25621] dump_stack+0x24c/0x2e0 [ 1112.549168][T25621] kmsan_internal_chain_origin+0x6f/0x130 [ 1112.554896][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1112.560107][T25621] ? kmsan_internal_check_memory+0xb5/0x520 [ 1112.566036][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1112.571705][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1112.577071][T25621] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1112.582998][T25621] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1112.589341][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1112.594553][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1112.600208][T25621] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1112.606426][T25621] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1112.611780][T25621] ? _copy_from_user+0x1fd/0x300 [ 1112.617169][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1112.622376][T25621] __msan_chain_origin+0x54/0xa0 [ 1112.627471][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1112.632161][T25621] ? kmsan_internal_set_origin+0x85/0xc0 [ 1112.637800][T25621] ? __msan_poison_alloca+0xec/0x110 [ 1112.643114][T25621] ? kmsan_get_metadata+0x116/0x180 [ 1112.648319][T25621] ? __se_sys_recvmmsg+0xd6/0x410 [ 1112.653371][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1112.658355][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1112.663219][T25621] do_syscall_64+0x9f/0x140 [ 1112.667829][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.673825][T25621] RIP: 0033:0x4665d9 [ 1112.677745][T25621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1112.697372][T25621] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1112.705833][T25621] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1112.713817][T25621] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1112.721793][T25621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1112.730044][T25621] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1112.738052][T25621] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1112.746048][T25621] Uninit was stored to memory at: [ 1112.751084][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1112.756823][T25621] __msan_chain_origin+0x54/0xa0 [ 1112.761909][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1112.766508][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1112.771443][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1112.776304][T25621] do_syscall_64+0x9f/0x140 [ 1112.780857][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.786774][T25621] [ 1112.789176][T25621] Uninit was stored to memory at: [ 1112.794175][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1112.799891][T25621] __msan_chain_origin+0x54/0xa0 [ 1112.804825][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1112.809433][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1112.816112][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1112.820970][T25621] do_syscall_64+0x9f/0x140 [ 1112.825508][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.831433][T25621] [ 1112.833785][T25621] Uninit was stored to memory at: [ 1112.838811][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1112.844552][T25621] __msan_chain_origin+0x54/0xa0 [ 1112.849498][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1112.854090][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1112.859027][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1112.863903][T25621] do_syscall_64+0x9f/0x140 [ 1112.868553][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.874561][T25621] [ 1112.876987][T25621] Uninit was stored to memory at: [ 1112.881996][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1112.887737][T25621] __msan_chain_origin+0x54/0xa0 [ 1112.892687][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1112.897289][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1112.902236][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1112.907089][T25621] do_syscall_64+0x9f/0x140 [ 1112.911603][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.917506][T25621] [ 1112.919819][T25621] Uninit was stored to memory at: [ 1112.925080][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1112.931756][T25621] __msan_chain_origin+0x54/0xa0 [ 1112.936788][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1112.941381][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1112.946494][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1112.951468][T25621] do_syscall_64+0x9f/0x140 [ 1112.956242][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1112.962170][T25621] [ 1112.964494][T25621] Uninit was stored to memory at: [ 1112.969524][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1112.975265][T25621] __msan_chain_origin+0x54/0xa0 [ 1112.980209][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1112.985024][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1112.990544][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1112.995410][T25621] do_syscall_64+0x9f/0x140 [ 1112.999940][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.005859][T25621] [ 1113.008241][T25621] Uninit was stored to memory at: [ 1113.013277][T25621] kmsan_internal_chain_origin+0xad/0x130 [ 1113.019058][T25621] __msan_chain_origin+0x54/0xa0 [ 1113.023999][T25621] do_recvmmsg+0x17fc/0x22d0 [ 1113.028600][T25621] __se_sys_recvmmsg+0x24a/0x410 [ 1113.033546][T25621] __x64_sys_recvmmsg+0x62/0x80 [ 1113.038410][T25621] do_syscall_64+0x9f/0x140 [ 1113.042957][T25621] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.048869][T25621] [ 1113.051185][T25621] Local variable ----msg_sys@do_recvmmsg created at: [ 1113.058065][T25621] do_recvmmsg+0xbf/0x22d0 [ 1113.062496][T25621] do_recvmmsg+0xbf/0x22d0 [ 1113.240213][T25624] not chained 1040000 origins [ 1113.245463][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1113.254344][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1113.264402][T25624] Call Trace: [ 1113.267701][T25624] dump_stack+0x24c/0x2e0 [ 1113.272148][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1113.277920][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1113.283151][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1113.289067][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1113.294710][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1113.299925][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1113.305732][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1113.311820][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1113.317018][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1113.322655][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1113.328719][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1113.334023][T25624] ? _copy_from_user+0x1fd/0x300 [ 1113.338977][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1113.344523][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.350768][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.355368][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1113.361007][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1113.366295][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1113.371544][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1113.376584][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.381644][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.386592][T25624] do_syscall_64+0x9f/0x140 [ 1113.391108][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.397129][T25624] RIP: 0033:0x4665d9 [ 1113.401029][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1113.420633][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1113.429086][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1113.437429][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1113.445412][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1113.453392][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1113.461390][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1113.469394][T25624] Uninit was stored to memory at: [ 1113.474434][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1113.480177][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.485121][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.489721][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.494765][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.499618][T25624] do_syscall_64+0x9f/0x140 [ 1113.504129][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.510537][T25624] [ 1113.512871][T25624] Uninit was stored to memory at: [ 1113.517876][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1113.523647][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.528612][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.533278][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.538472][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.543336][T25624] do_syscall_64+0x9f/0x140 [ 1113.547862][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.553749][T25624] [ 1113.556064][T25624] Uninit was stored to memory at: [ 1113.561069][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1113.566794][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.571748][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.576355][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.581414][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.586374][T25624] do_syscall_64+0x9f/0x140 [ 1113.590882][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.596817][T25624] [ 1113.599232][T25624] Uninit was stored to memory at: [ 1113.604263][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1113.610011][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.615144][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.619752][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.624890][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.629744][T25624] do_syscall_64+0x9f/0x140 [ 1113.634250][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.641108][T25624] [ 1113.643510][T25624] Uninit was stored to memory at: [ 1113.648530][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1113.654333][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.659278][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.663876][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.668822][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.673693][T25624] do_syscall_64+0x9f/0x140 [ 1113.678210][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.684102][T25624] [ 1113.686425][T25624] Uninit was stored to memory at: [ 1113.691431][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1113.697158][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.702104][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.706705][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.711665][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.716554][T25624] do_syscall_64+0x9f/0x140 [ 1113.721068][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.726974][T25624] [ 1113.729287][T25624] Uninit was stored to memory at: [ 1113.734293][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1113.740027][T25624] __msan_chain_origin+0x54/0xa0 [ 1113.744986][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1113.749828][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1113.754779][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1113.759641][T25624] do_syscall_64+0x9f/0x140 [ 1113.764154][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1113.770055][T25624] [ 1113.772426][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1113.779101][T25624] do_recvmmsg+0xbf/0x22d0 [ 1113.783558][T25624] do_recvmmsg+0xbf/0x22d0 00:32:58 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000140)=""/163, 0x100000345, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000005c0)=[{{0x0, 0xfffffffffffffea3, 0x0}}], 0x3ffffffffffff62, 0x0, 0x0) sendto$inet(r1, 0x0, 0xd, 0x0, 0x0, 0x0) 00:32:58 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0xb00}, 0x0) 00:32:58 executing program 5: r0 = syz_open_dev$vim2m(&(0x7f0000000100), 0x3, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000140)={0x1, @pix_mp={0x0, 0x0, 0x32314d4e}}) 00:32:58 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x4) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000018c0)={'syz_tun\x00', &(0x7f0000001800)=@ethtool_regs={0x2}}) 00:32:58 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000040), 0x9, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0285629, &(0x7f0000003200)={0x3, @win={{0x2}, 0x0, 0x0, &(0x7f00000000c0), 0x0, 0x0}}) [ 1114.107379][T25654] openvswitch: netlink: Message has 2 unknown bytes. 00:32:58 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x4) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000018c0)={'syz_tun\x00', &(0x7f0000001800)=@ethtool_regs={0x2}}) [ 1114.408261][T25661] not chained 1050000 origins [ 1114.413016][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1114.421811][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1114.431934][T25661] Call Trace: [ 1114.435353][T25661] dump_stack+0x24c/0x2e0 [ 1114.439778][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1114.445549][T25661] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1114.451506][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1114.456742][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1114.462683][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1114.468371][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1114.473617][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1114.479468][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1114.485585][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1114.490843][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1114.496611][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1114.502729][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1114.508057][T25661] ? _copy_from_user+0x1fd/0x300 [ 1114.513042][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1114.518293][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.524342][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.529129][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1114.534844][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1114.540201][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1114.545448][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1114.550604][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.555615][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.560512][T25661] do_syscall_64+0x9f/0x140 [ 1114.565064][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.570995][T25661] RIP: 0033:0x4665d9 [ 1114.574919][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1114.595776][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1114.604234][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1114.612445][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1114.620629][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1114.628659][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1114.636687][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1114.644984][T25661] Uninit was stored to memory at: [ 1114.650037][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1114.655808][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.660790][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.665426][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.670410][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.675307][T25661] do_syscall_64+0x9f/0x140 [ 1114.679858][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.685823][T25661] [ 1114.688166][T25661] Uninit was stored to memory at: [ 1114.693221][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1114.698997][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.704003][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.708753][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.713746][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.718648][T25661] do_syscall_64+0x9f/0x140 [ 1114.723216][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.729169][T25661] [ 1114.731524][T25661] Uninit was stored to memory at: [ 1114.736732][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1114.745072][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.750061][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.754703][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.759714][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.764642][T25661] do_syscall_64+0x9f/0x140 [ 1114.769193][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.775167][T25661] [ 1114.777533][T25661] Uninit was stored to memory at: [ 1114.782572][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1114.788352][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.793348][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.797981][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.802960][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.807854][T25661] do_syscall_64+0x9f/0x140 [ 1114.812402][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.818336][T25661] [ 1114.820678][T25661] Uninit was stored to memory at: [ 1114.825712][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1114.831477][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.836457][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.841097][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.846083][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.850976][T25661] do_syscall_64+0x9f/0x140 [ 1114.855523][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.861456][T25661] [ 1114.863837][T25661] Uninit was stored to memory at: [ 1114.868889][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1114.874658][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.879651][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.884290][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.889359][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.894284][T25661] do_syscall_64+0x9f/0x140 [ 1114.898848][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.905146][T25661] [ 1114.907534][T25661] Uninit was stored to memory at: [ 1114.912595][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1114.918364][T25661] __msan_chain_origin+0x54/0xa0 [ 1114.923435][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1114.928126][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1114.933110][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1114.938023][T25661] do_syscall_64+0x9f/0x140 [ 1114.942597][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1114.948540][T25661] [ 1114.950888][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1114.957590][T25661] do_recvmmsg+0xbf/0x22d0 [ 1114.962060][T25661] do_recvmmsg+0xbf/0x22d0 [ 1115.412996][T25624] not chained 1060000 origins [ 1115.417763][T25624] CPU: 0 PID: 25624 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1115.426564][T25624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1115.436673][T25624] Call Trace: [ 1115.440245][T25624] dump_stack+0x24c/0x2e0 [ 1115.444631][T25624] kmsan_internal_chain_origin+0x6f/0x130 [ 1115.450571][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1115.455906][T25624] ? kmsan_internal_check_memory+0xb5/0x520 [ 1115.461854][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1115.467560][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1115.472828][T25624] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1115.478704][T25624] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1115.484904][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1115.490147][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1115.495844][T25624] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1115.502006][T25624] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1115.507352][T25624] ? _copy_from_user+0x1fd/0x300 [ 1115.512335][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1115.517577][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.522563][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.527333][T25624] ? kmsan_internal_set_origin+0x85/0xc0 [ 1115.533010][T25624] ? __msan_poison_alloca+0xec/0x110 [ 1115.538343][T25624] ? kmsan_get_metadata+0x116/0x180 [ 1115.543581][T25624] ? __se_sys_recvmmsg+0xd6/0x410 [ 1115.548657][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.553665][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.558579][T25624] do_syscall_64+0x9f/0x140 [ 1115.563138][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.569075][T25624] RIP: 0033:0x4665d9 [ 1115.572998][T25624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1115.592647][T25624] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1115.601223][T25624] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1115.609277][T25624] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1115.618548][T25624] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1115.626626][T25624] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1115.634844][T25624] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1115.642873][T25624] Uninit was stored to memory at: [ 1115.647920][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1115.653719][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.658701][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.663340][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.668328][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.673248][T25624] do_syscall_64+0x9f/0x140 [ 1115.677800][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.683748][T25624] [ 1115.686088][T25624] Uninit was stored to memory at: [ 1115.691124][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1115.696997][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.701980][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.706715][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.711711][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.716617][T25624] do_syscall_64+0x9f/0x140 [ 1115.721171][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.727391][T25624] [ 1115.729736][T25624] Uninit was stored to memory at: [ 1115.734796][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1115.740566][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.745554][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.750192][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.755332][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.760255][T25624] do_syscall_64+0x9f/0x140 [ 1115.764806][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.770747][T25624] [ 1115.773119][T25624] Uninit was stored to memory at: [ 1115.778185][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1115.784079][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.789069][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.793703][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.798676][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.803562][T25624] do_syscall_64+0x9f/0x140 [ 1115.808100][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.814019][T25624] [ 1115.816349][T25624] Uninit was stored to memory at: [ 1115.821482][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1115.827241][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.832238][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.836877][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.841930][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.846820][T25624] do_syscall_64+0x9f/0x140 [ 1115.851577][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.857521][T25624] [ 1115.859871][T25624] Uninit was stored to memory at: [ 1115.864896][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1115.870647][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.875617][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.880234][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.885209][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.890116][T25624] do_syscall_64+0x9f/0x140 [ 1115.894667][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.900587][T25624] [ 1115.902920][T25624] Uninit was stored to memory at: [ 1115.907957][T25624] kmsan_internal_chain_origin+0xad/0x130 [ 1115.913796][T25624] __msan_chain_origin+0x54/0xa0 [ 1115.918762][T25624] do_recvmmsg+0x17fc/0x22d0 [ 1115.923381][T25624] __se_sys_recvmmsg+0x24a/0x410 [ 1115.928356][T25624] __x64_sys_recvmmsg+0x62/0x80 [ 1115.933339][T25624] do_syscall_64+0x9f/0x140 [ 1115.937883][T25624] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1115.943814][T25624] [ 1115.946154][T25624] Local variable ----msg_sys@do_recvmmsg created at: [ 1115.952833][T25624] do_recvmmsg+0xbf/0x22d0 [ 1115.957298][T25624] do_recvmmsg+0xbf/0x22d0 [ 1116.275427][T25661] not chained 1070000 origins [ 1116.280290][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1116.289091][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1116.299206][T25661] Call Trace: [ 1116.302531][T25661] dump_stack+0x24c/0x2e0 [ 1116.306903][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1116.312659][T25661] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1116.318511][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1116.323750][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1116.329690][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1116.335376][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1116.340648][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1116.346533][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1116.352642][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1116.357893][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1116.363587][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1116.369735][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1116.375074][T25661] ? _copy_from_user+0x1fd/0x300 [ 1116.380058][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1116.385307][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.390319][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.394976][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1116.400657][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1116.405989][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1116.411244][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1116.416346][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.421374][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.426283][T25661] do_syscall_64+0x9f/0x140 [ 1116.430845][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.436782][T25661] RIP: 0033:0x4665d9 [ 1116.440706][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1116.460619][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1116.469084][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1116.477296][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1116.485310][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1116.493322][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1116.501351][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1116.509401][T25661] Uninit was stored to memory at: [ 1116.514462][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1116.520218][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.525193][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.529841][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.534817][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.539742][T25661] do_syscall_64+0x9f/0x140 [ 1116.544301][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.550296][T25661] [ 1116.552675][T25661] Uninit was stored to memory at: [ 1116.557710][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1116.563745][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.568731][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.573366][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.578524][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.583500][T25661] do_syscall_64+0x9f/0x140 [ 1116.588070][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.594007][T25661] [ 1116.596352][T25661] Uninit was stored to memory at: [ 1116.601735][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1116.607536][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.612517][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.617161][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.622167][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.628129][T25661] do_syscall_64+0x9f/0x140 [ 1116.632675][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.638645][T25661] [ 1116.641071][T25661] Uninit was stored to memory at: [ 1116.646110][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1116.651892][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.656895][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.661534][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.666533][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.671426][T25661] do_syscall_64+0x9f/0x140 [ 1116.675984][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.681926][T25661] [ 1116.684282][T25661] Uninit was stored to memory at: [ 1116.689315][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1116.695078][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.700625][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.705713][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.710694][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.715596][T25661] do_syscall_64+0x9f/0x140 [ 1116.720225][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.726172][T25661] [ 1116.728518][T25661] Uninit was stored to memory at: [ 1116.733563][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1116.739347][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.744333][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.748996][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.754099][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.759019][T25661] do_syscall_64+0x9f/0x140 [ 1116.763573][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.769508][T25661] [ 1116.771851][T25661] Uninit was stored to memory at: [ 1116.776923][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1116.782695][T25661] __msan_chain_origin+0x54/0xa0 [ 1116.787682][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1116.792320][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1116.797394][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1116.802286][T25661] do_syscall_64+0x9f/0x140 [ 1116.806852][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1116.812801][T25661] [ 1116.815157][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1116.821849][T25661] do_recvmmsg+0xbf/0x22d0 [ 1116.826310][T25661] do_recvmmsg+0xbf/0x22d0 00:33:01 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000140)=""/163, 0x100000345, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000005c0)=[{{0x0, 0xfffffffffffffea3, 0x0}}], 0x3ffffffffffff62, 0x0, 0x0) sendto$inet(r1, 0x0, 0xd, 0x0, 0x0, 0x0) 00:33:01 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0xc00}, 0x0) 00:33:01 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000040), 0x9, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0285629, &(0x7f0000003200)={0x3, @win={{0x2}, 0x0, 0x0, &(0x7f00000000c0), 0x0, 0x0}}) 00:33:01 executing program 5: r0 = syz_open_dev$vim2m(&(0x7f0000000100), 0x3, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000140)={0x1, @pix_mp={0x0, 0x0, 0x32314d4e}}) 00:33:01 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x4) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000018c0)={'syz_tun\x00', &(0x7f0000001800)=@ethtool_regs={0x2}}) [ 1117.266595][T25680] openvswitch: netlink: Message has 2 unknown bytes. 00:33:01 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x4) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000018c0)={'syz_tun\x00', &(0x7f0000001800)=@ethtool_regs={0x2}}) [ 1117.722998][T25661] not chained 1080000 origins [ 1117.727744][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1117.736580][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1117.746784][T25661] Call Trace: [ 1117.750104][T25661] dump_stack+0x24c/0x2e0 [ 1117.754488][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1117.760344][T25661] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1117.766232][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1117.771500][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1117.777448][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1117.783130][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1117.788540][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1117.794405][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1117.801045][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1117.806304][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1117.812013][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1117.818141][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1117.823487][T25661] ? _copy_from_user+0x1fd/0x300 [ 1117.828700][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1117.833952][T25661] __msan_chain_origin+0x54/0xa0 [ 1117.838973][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1117.843655][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1117.849345][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1117.854806][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1117.860064][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1117.865162][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1117.870166][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1117.875099][T25661] do_syscall_64+0x9f/0x140 [ 1117.879674][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1117.885618][T25661] RIP: 0033:0x4665d9 [ 1117.889543][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1117.910409][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1117.918871][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1117.926880][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1117.934889][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1117.942904][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1117.950917][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1117.958933][T25661] Uninit was stored to memory at: [ 1117.963994][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1117.969848][T25661] __msan_chain_origin+0x54/0xa0 [ 1117.974829][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1117.979477][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1117.984476][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1117.989368][T25661] do_syscall_64+0x9f/0x140 [ 1117.993915][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1117.999850][T25661] [ 1118.002193][T25661] Uninit was stored to memory at: [ 1118.007227][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1118.012987][T25661] __msan_chain_origin+0x54/0xa0 [ 1118.017961][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1118.022590][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1118.027572][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1118.032470][T25661] do_syscall_64+0x9f/0x140 [ 1118.037024][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1118.042961][T25661] [ 1118.045306][T25661] Uninit was stored to memory at: [ 1118.050340][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1118.056104][T25661] __msan_chain_origin+0x54/0xa0 [ 1118.061082][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1118.065716][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1118.070697][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1118.075592][T25661] do_syscall_64+0x9f/0x140 [ 1118.080139][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1118.086075][T25661] [ 1118.088421][T25661] Uninit was stored to memory at: [ 1118.093465][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1118.099228][T25661] __msan_chain_origin+0x54/0xa0 [ 1118.104212][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1118.108937][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1118.113920][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1118.118813][T25661] do_syscall_64+0x9f/0x140 [ 1118.123365][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1118.129310][T25661] [ 1118.131667][T25661] Uninit was stored to memory at: [ 1118.136703][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1118.142465][T25661] __msan_chain_origin+0x54/0xa0 [ 1118.147443][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1118.152069][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1118.157049][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1118.161973][T25661] do_syscall_64+0x9f/0x140 [ 1118.166537][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1118.172474][T25661] [ 1118.174817][T25661] Uninit was stored to memory at: [ 1118.179868][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1118.185638][T25661] __msan_chain_origin+0x54/0xa0 [ 1118.190630][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1118.195269][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1118.200254][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1118.205173][T25661] do_syscall_64+0x9f/0x140 [ 1118.209741][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1118.215678][T25661] [ 1118.218040][T25661] Uninit was stored to memory at: [ 1118.223076][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1118.228846][T25661] __msan_chain_origin+0x54/0xa0 [ 1118.233831][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1118.238479][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1118.243468][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1118.248367][T25661] do_syscall_64+0x9f/0x140 [ 1118.252915][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1118.258854][T25661] [ 1118.261199][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1118.267890][T25661] do_recvmmsg+0xbf/0x22d0 [ 1118.272353][T25661] do_recvmmsg+0xbf/0x22d0 [ 1118.730530][T25685] not chained 1090000 origins [ 1118.735267][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1118.744064][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1118.754183][T25685] Call Trace: [ 1118.757514][T25685] dump_stack+0x24c/0x2e0 [ 1118.761884][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1118.767640][T25685] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1118.773493][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1118.778768][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1118.784710][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1118.790382][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1118.795658][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1118.801567][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1118.807686][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1118.812931][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1118.818605][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1118.824711][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1118.830048][T25685] ? _copy_from_user+0x1fd/0x300 [ 1118.835051][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1118.840307][T25685] __msan_chain_origin+0x54/0xa0 [ 1118.845311][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1118.849959][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1118.855629][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1118.861488][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1118.866762][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1118.871900][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1118.876915][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1118.882239][T25685] do_syscall_64+0x9f/0x140 [ 1118.886785][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1118.892724][T25685] RIP: 0033:0x4665d9 [ 1118.896674][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1118.917012][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1118.925489][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1118.933518][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1118.941525][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1118.949534][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1118.957541][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1118.965562][T25685] Uninit was stored to memory at: [ 1118.970604][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1118.976360][T25685] __msan_chain_origin+0x54/0xa0 [ 1118.981601][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1118.986228][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1118.991197][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1118.996102][T25685] do_syscall_64+0x9f/0x140 [ 1119.000657][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.006587][T25685] [ 1119.008930][T25685] Uninit was stored to memory at: [ 1119.013977][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1119.019730][T25685] __msan_chain_origin+0x54/0xa0 [ 1119.024698][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1119.029321][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1119.034329][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1119.039220][T25685] do_syscall_64+0x9f/0x140 [ 1119.044457][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.050420][T25685] [ 1119.052765][T25685] Uninit was stored to memory at: [ 1119.057790][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1119.063548][T25685] __msan_chain_origin+0x54/0xa0 [ 1119.068518][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1119.073147][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1119.078119][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1119.083006][T25685] do_syscall_64+0x9f/0x140 [ 1119.087573][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.093525][T25685] [ 1119.095864][T25685] Uninit was stored to memory at: [ 1119.100896][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1119.106659][T25685] __msan_chain_origin+0x54/0xa0 [ 1119.111636][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1119.116271][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1119.121288][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1119.126190][T25685] do_syscall_64+0x9f/0x140 [ 1119.130731][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.136670][T25685] [ 1119.139005][T25685] Uninit was stored to memory at: [ 1119.144052][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1119.149807][T25685] __msan_chain_origin+0x54/0xa0 [ 1119.154810][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1119.159434][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1119.164413][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1119.169302][T25685] do_syscall_64+0x9f/0x140 [ 1119.173837][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.179765][T25685] [ 1119.182100][T25685] Uninit was stored to memory at: [ 1119.187129][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1119.192920][T25685] __msan_chain_origin+0x54/0xa0 [ 1119.197923][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1119.202562][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1119.207548][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1119.212442][T25685] do_syscall_64+0x9f/0x140 [ 1119.216983][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.222913][T25685] [ 1119.225250][T25685] Uninit was stored to memory at: [ 1119.230275][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1119.236055][T25685] __msan_chain_origin+0x54/0xa0 [ 1119.241029][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1119.245912][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1119.250893][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1119.255811][T25685] do_syscall_64+0x9f/0x140 [ 1119.260370][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.266296][T25685] [ 1119.268633][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1119.275398][T25685] do_recvmmsg+0xbf/0x22d0 [ 1119.279862][T25685] do_recvmmsg+0xbf/0x22d0 [ 1119.591181][T25661] not chained 1100000 origins [ 1119.596072][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1119.604969][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1119.615322][T25661] Call Trace: [ 1119.618688][T25661] dump_stack+0x24c/0x2e0 [ 1119.623029][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1119.628782][T25661] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1119.634595][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1119.639804][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1119.645725][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1119.651385][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1119.656646][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1119.662480][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1119.668659][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1119.673893][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1119.679598][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1119.685682][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1119.690994][T25661] ? _copy_from_user+0x1fd/0x300 [ 1119.695962][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1119.701206][T25661] __msan_chain_origin+0x54/0xa0 [ 1119.706167][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1119.710909][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1119.716561][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1119.721857][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1119.727066][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1119.732303][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1119.737253][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1119.742216][T25661] do_syscall_64+0x9f/0x140 [ 1119.746734][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.752755][T25661] RIP: 0033:0x4665d9 [ 1119.756669][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1119.776294][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1119.784732][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1119.792708][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1119.800689][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1119.808678][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1119.816999][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1119.825078][T25661] Uninit was stored to memory at: [ 1119.830109][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1119.835837][T25661] __msan_chain_origin+0x54/0xa0 [ 1119.840785][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1119.845395][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1119.850345][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1119.855308][T25661] do_syscall_64+0x9f/0x140 [ 1119.859811][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.865705][T25661] [ 1119.868028][T25661] Uninit was stored to memory at: [ 1119.873056][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1119.878802][T25661] __msan_chain_origin+0x54/0xa0 [ 1119.883748][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1119.888338][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1119.893280][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1119.898162][T25661] do_syscall_64+0x9f/0x140 [ 1119.902667][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.908751][T25661] [ 1119.911079][T25661] Uninit was stored to memory at: [ 1119.916101][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1119.921837][T25661] __msan_chain_origin+0x54/0xa0 [ 1119.926777][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1119.931387][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1119.936365][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1119.941237][T25661] do_syscall_64+0x9f/0x140 [ 1119.945867][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.951800][T25661] [ 1119.954323][T25661] Uninit was stored to memory at: [ 1119.959333][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1119.965055][T25661] __msan_chain_origin+0x54/0xa0 [ 1119.970079][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1119.974671][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1119.979611][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1119.984476][T25661] do_syscall_64+0x9f/0x140 [ 1119.989002][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1119.994905][T25661] [ 1119.997406][T25661] Uninit was stored to memory at: [ 1120.002499][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1120.008228][T25661] __msan_chain_origin+0x54/0xa0 [ 1120.013201][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1120.017815][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1120.023005][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1120.027870][T25661] do_syscall_64+0x9f/0x140 [ 1120.032389][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.038685][T25661] [ 1120.041022][T25661] Uninit was stored to memory at: [ 1120.046300][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1120.052021][T25661] __msan_chain_origin+0x54/0xa0 [ 1120.056973][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1120.061585][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1120.066529][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1120.071383][T25661] do_syscall_64+0x9f/0x140 [ 1120.076019][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.082119][T25661] [ 1120.084440][T25661] Uninit was stored to memory at: [ 1120.089456][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1120.095173][T25661] __msan_chain_origin+0x54/0xa0 [ 1120.100119][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1120.104707][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1120.109652][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1120.114501][T25661] do_syscall_64+0x9f/0x140 [ 1120.119009][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.124911][T25661] [ 1120.127269][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1120.134039][T25661] do_recvmmsg+0xbf/0x22d0 [ 1120.138479][T25661] do_recvmmsg+0xbf/0x22d0 [ 1120.301760][T25685] not chained 1110000 origins [ 1120.306591][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1120.315345][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1120.325403][T25685] Call Trace: [ 1120.328717][T25685] dump_stack+0x24c/0x2e0 [ 1120.333091][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1120.338844][T25685] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1120.344669][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1120.349870][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1120.355761][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1120.361403][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1120.366616][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1120.372435][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1120.378539][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1120.383754][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1120.389390][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1120.395473][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1120.400776][T25685] ? _copy_from_user+0x1fd/0x300 [ 1120.405741][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1120.410967][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.415910][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.420528][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1120.426181][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1120.431493][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1120.436801][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1120.441832][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.446798][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.451672][T25685] do_syscall_64+0x9f/0x140 [ 1120.456202][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.462115][T25685] RIP: 0033:0x4665d9 [ 1120.466011][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1120.485636][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1120.494166][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1120.502156][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1120.510137][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1120.518116][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1120.526122][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1120.534104][T25685] Uninit was stored to memory at: [ 1120.539120][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1120.544853][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.549884][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.554593][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.559545][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.564396][T25685] do_syscall_64+0x9f/0x140 [ 1120.568918][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.574834][T25685] [ 1120.577149][T25685] Uninit was stored to memory at: [ 1120.582186][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1120.587923][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.592877][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.597469][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.603368][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.608236][T25685] do_syscall_64+0x9f/0x140 [ 1120.612760][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.618761][T25685] [ 1120.621089][T25685] Uninit was stored to memory at: [ 1120.626100][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1120.631826][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.636768][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.641416][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.646366][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.651230][T25685] do_syscall_64+0x9f/0x140 [ 1120.655747][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.661659][T25685] [ 1120.663992][T25685] Uninit was stored to memory at: [ 1120.669024][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1120.674753][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.679703][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.684292][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.689242][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.694093][T25685] do_syscall_64+0x9f/0x140 [ 1120.698595][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.704500][T25685] [ 1120.706825][T25685] Uninit was stored to memory at: [ 1120.711825][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1120.717565][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.722504][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.727111][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.732051][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.736912][T25685] do_syscall_64+0x9f/0x140 [ 1120.741415][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.747347][T25685] [ 1120.749671][T25685] Uninit was stored to memory at: [ 1120.754675][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1120.760437][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.765394][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.769998][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.774936][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.779796][T25685] do_syscall_64+0x9f/0x140 [ 1120.784302][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.790231][T25685] [ 1120.792546][T25685] Uninit was stored to memory at: [ 1120.797564][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1120.803297][T25685] __msan_chain_origin+0x54/0xa0 [ 1120.808288][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1120.812879][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1120.817816][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1120.822688][T25685] do_syscall_64+0x9f/0x140 [ 1120.827206][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1120.833097][T25685] [ 1120.835443][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1120.842111][T25685] do_recvmmsg+0xbf/0x22d0 [ 1120.846542][T25685] do_recvmmsg+0xbf/0x22d0 [ 1121.027529][T25661] not chained 1120000 origins [ 1121.032244][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1121.041009][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1121.051173][T25661] Call Trace: [ 1121.054451][T25661] dump_stack+0x24c/0x2e0 [ 1121.058781][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1121.064528][T25661] ? exc_page_fault+0x45/0x50 [ 1121.069206][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1121.074404][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1121.080296][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1121.085938][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1121.091155][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1121.096986][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1121.103055][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1121.108279][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1121.113940][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1121.120025][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1121.125434][T25661] ? _copy_from_user+0x1fd/0x300 [ 1121.130371][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1121.135592][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.140532][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.145130][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1121.150777][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1121.156079][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1121.161296][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1121.166335][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.171319][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.176179][T25661] do_syscall_64+0x9f/0x140 [ 1121.180937][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.186856][T25661] RIP: 0033:0x4665d9 [ 1121.190861][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1121.211182][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1121.219618][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1121.227596][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1121.235575][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1121.243704][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1121.253702][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1121.261728][T25661] Uninit was stored to memory at: [ 1121.266798][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1121.272576][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.277726][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.282327][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.287277][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.292270][T25661] do_syscall_64+0x9f/0x140 [ 1121.296785][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.303410][T25661] [ 1121.305735][T25661] Uninit was stored to memory at: [ 1121.310842][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1121.316577][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.321514][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.326105][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.331064][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.335938][T25661] do_syscall_64+0x9f/0x140 [ 1121.340457][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.346351][T25661] [ 1121.348697][T25661] Uninit was stored to memory at: [ 1121.353753][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1121.359609][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.364567][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.369822][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.374781][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.379723][T25661] do_syscall_64+0x9f/0x140 [ 1121.384476][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.390921][T25661] [ 1121.393273][T25661] Uninit was stored to memory at: [ 1121.398336][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1121.404079][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.409204][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.413814][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.418773][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.423648][T25661] do_syscall_64+0x9f/0x140 [ 1121.428159][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.434069][T25661] [ 1121.436387][T25661] Uninit was stored to memory at: [ 1121.443607][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1121.449475][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.454437][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.459144][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.464132][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.469006][T25661] do_syscall_64+0x9f/0x140 [ 1121.473521][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.479436][T25661] [ 1121.481862][T25661] Uninit was stored to memory at: [ 1121.486870][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1121.492649][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.497610][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.502201][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.507150][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.512038][T25661] do_syscall_64+0x9f/0x140 [ 1121.516576][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.522468][T25661] [ 1121.524800][T25661] Uninit was stored to memory at: [ 1121.529802][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1121.535529][T25661] __msan_chain_origin+0x54/0xa0 [ 1121.540467][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1121.545060][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1121.550530][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1121.555382][T25661] do_syscall_64+0x9f/0x140 [ 1121.559916][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.565813][T25661] [ 1121.568166][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1121.575529][T25661] do_recvmmsg+0xbf/0x22d0 [ 1121.579969][T25661] do_recvmmsg+0xbf/0x22d0 [ 1121.738131][T25685] not chained 1130000 origins [ 1121.742967][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1121.751732][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1121.761810][T25685] Call Trace: [ 1121.765092][T25685] dump_stack+0x24c/0x2e0 [ 1121.769430][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1121.775226][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1121.780461][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1121.786713][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1121.792404][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1121.797639][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1121.803468][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1121.809542][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1121.814750][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1121.820465][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1121.826553][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1121.831925][T25685] ? _copy_from_user+0x1fd/0x300 [ 1121.836980][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1121.842200][T25685] __msan_chain_origin+0x54/0xa0 [ 1121.847237][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1121.851855][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1121.857515][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1121.862940][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1121.869120][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1121.874215][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1121.879430][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1121.884434][T25685] do_syscall_64+0x9f/0x140 [ 1121.888971][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1121.894876][T25685] RIP: 0033:0x4665d9 [ 1121.898776][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1121.918514][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1121.926994][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1121.935616][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1121.944564][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1121.952550][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1121.960585][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1121.968580][T25685] Uninit was stored to memory at: [ 1121.973608][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1121.979438][T25685] __msan_chain_origin+0x54/0xa0 [ 1121.984405][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1121.989013][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1121.993968][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1121.998847][T25685] do_syscall_64+0x9f/0x140 [ 1122.003418][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.009334][T25685] [ 1122.011682][T25685] Uninit was stored to memory at: [ 1122.016703][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.023305][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.028296][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.032888][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.037896][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.042764][T25685] do_syscall_64+0x9f/0x140 [ 1122.047293][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.053188][T25685] [ 1122.055532][T25685] Uninit was stored to memory at: [ 1122.060537][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.066366][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.071319][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.075915][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.081294][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.086161][T25685] do_syscall_64+0x9f/0x140 [ 1122.090792][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.096697][T25685] [ 1122.099220][T25685] Uninit was stored to memory at: [ 1122.104225][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.110117][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.115064][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.119704][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.124701][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.129635][T25685] do_syscall_64+0x9f/0x140 [ 1122.134189][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.140134][T25685] [ 1122.142464][T25685] Uninit was stored to memory at: [ 1122.147560][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.153309][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.158310][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.162902][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.167844][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.172717][T25685] do_syscall_64+0x9f/0x140 [ 1122.177240][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.183143][T25685] [ 1122.185490][T25685] Uninit was stored to memory at: [ 1122.190493][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.196221][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.201163][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.205754][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.210701][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.215542][T25685] do_syscall_64+0x9f/0x140 [ 1122.220066][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.225957][T25685] [ 1122.228272][T25685] Uninit was stored to memory at: [ 1122.233279][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.239856][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.244850][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.249496][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.254432][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.259332][T25685] do_syscall_64+0x9f/0x140 [ 1122.263873][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.269801][T25685] [ 1122.272127][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1122.278899][T25685] do_recvmmsg+0xbf/0x22d0 [ 1122.283333][T25685] do_recvmmsg+0xbf/0x22d0 [ 1122.454203][T25685] not chained 1140000 origins [ 1122.459125][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1122.467883][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1122.478027][T25685] Call Trace: [ 1122.481306][T25685] dump_stack+0x24c/0x2e0 [ 1122.485756][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1122.491532][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1122.496837][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1122.502743][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1122.508518][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1122.513738][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1122.519564][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1122.525850][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1122.531075][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1122.536719][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1122.542805][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1122.548095][T25685] ? _copy_from_user+0x1fd/0x300 [ 1122.553087][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1122.558866][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.563826][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.568445][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1122.574119][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1122.579456][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1122.584677][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1122.589949][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.594914][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.599798][T25685] do_syscall_64+0x9f/0x140 [ 1122.604418][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.610323][T25685] RIP: 0033:0x4665d9 [ 1122.614248][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1122.634232][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1122.642664][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1122.650639][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1122.659244][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1122.667366][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1122.675383][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1122.683377][T25685] Uninit was stored to memory at: [ 1122.688913][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.694692][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.699649][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.704250][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.709244][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.714735][T25685] do_syscall_64+0x9f/0x140 [ 1122.719248][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.725190][T25685] [ 1122.727527][T25685] Uninit was stored to memory at: [ 1122.732714][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.738505][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.743510][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.748129][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.753206][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.758593][T25685] do_syscall_64+0x9f/0x140 [ 1122.763124][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.769041][T25685] [ 1122.771361][T25685] Uninit was stored to memory at: [ 1122.776381][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.782121][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.787064][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.791663][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.796738][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.801590][T25685] do_syscall_64+0x9f/0x140 [ 1122.806096][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.812097][T25685] [ 1122.814578][T25685] Uninit was stored to memory at: [ 1122.819594][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.825812][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.830751][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.835356][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.840380][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.845278][T25685] do_syscall_64+0x9f/0x140 [ 1122.849786][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.855684][T25685] [ 1122.858004][T25685] Uninit was stored to memory at: [ 1122.863070][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.868810][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.873800][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.878428][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.883461][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.888332][T25685] do_syscall_64+0x9f/0x140 [ 1122.892853][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.898777][T25685] [ 1122.901098][T25685] Uninit was stored to memory at: [ 1122.906107][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.911916][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.917006][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.921597][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.926692][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.931549][T25685] do_syscall_64+0x9f/0x140 [ 1122.936095][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.941985][T25685] [ 1122.944314][T25685] Uninit was stored to memory at: [ 1122.949341][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1122.955091][T25685] __msan_chain_origin+0x54/0xa0 [ 1122.960047][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1122.964643][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1122.969830][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1122.974698][T25685] do_syscall_64+0x9f/0x140 [ 1122.979237][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1122.985160][T25685] [ 1122.987491][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1122.994162][T25685] do_recvmmsg+0xbf/0x22d0 [ 1122.998580][T25685] do_recvmmsg+0xbf/0x22d0 [ 1123.148275][T25661] not chained 1150000 origins [ 1123.153101][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1123.161855][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1123.171908][T25661] Call Trace: [ 1123.175197][T25661] dump_stack+0x24c/0x2e0 [ 1123.179543][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1123.185276][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.190478][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1123.196458][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1123.202238][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.207487][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1123.214864][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1123.221893][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.227118][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1123.232750][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1123.238833][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1123.244124][T25661] ? _copy_from_user+0x1fd/0x300 [ 1123.249058][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.254255][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.259193][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.263792][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1123.269422][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1123.274705][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.279898][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1123.284918][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.289853][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.294696][T25661] do_syscall_64+0x9f/0x140 [ 1123.299201][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.305106][T25661] RIP: 0033:0x4665d9 [ 1123.308997][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1123.328808][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1123.337417][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1123.345841][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1123.353956][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1123.361986][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1123.370071][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1123.378475][T25661] Uninit was stored to memory at: [ 1123.383492][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1123.389212][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.394145][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.398734][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.403694][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.408560][T25661] do_syscall_64+0x9f/0x140 [ 1123.413065][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.418961][T25661] [ 1123.421277][T25661] Uninit was stored to memory at: [ 1123.426294][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1123.432015][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.436968][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.441683][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.446644][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.451504][T25661] do_syscall_64+0x9f/0x140 [ 1123.456013][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.461922][T25661] [ 1123.464258][T25661] Uninit was stored to memory at: [ 1123.469265][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1123.475007][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.479956][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.484550][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.489768][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.494625][T25661] do_syscall_64+0x9f/0x140 [ 1123.499132][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.505040][T25661] [ 1123.507362][T25661] Uninit was stored to memory at: [ 1123.512400][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1123.518145][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.523087][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.527697][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.533627][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.538501][T25661] do_syscall_64+0x9f/0x140 [ 1123.543018][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.548940][T25661] [ 1123.551264][T25661] Uninit was stored to memory at: [ 1123.556275][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1123.562004][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.567739][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.572345][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.577397][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.582424][T25661] do_syscall_64+0x9f/0x140 [ 1123.586991][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.593024][T25661] [ 1123.595350][T25661] Uninit was stored to memory at: [ 1123.600496][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1123.606241][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.611199][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.615800][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.620748][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.625604][T25661] do_syscall_64+0x9f/0x140 [ 1123.630130][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.636029][T25661] [ 1123.638367][T25661] Uninit was stored to memory at: [ 1123.643381][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1123.649121][T25661] __msan_chain_origin+0x54/0xa0 [ 1123.654067][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1123.658749][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1123.663690][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1123.668546][T25661] do_syscall_64+0x9f/0x140 [ 1123.673072][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1123.678969][T25661] [ 1123.681301][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1123.687971][T25661] do_recvmmsg+0xbf/0x22d0 [ 1123.692405][T25661] do_recvmmsg+0xbf/0x22d0 [ 1123.915670][T25661] not chained 1160000 origins [ 1123.921268][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1123.930042][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1123.940462][T25661] Call Trace: [ 1123.944716][T25661] dump_stack+0x24c/0x2e0 [ 1123.949077][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1123.954812][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.960039][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1123.965959][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1123.971679][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.976899][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1123.982722][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1123.988822][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1123.994031][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1123.999702][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1124.005805][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1124.011180][T25661] ? _copy_from_user+0x1fd/0x300 [ 1124.016129][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1124.021650][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.026608][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.031220][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1124.036878][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1124.042170][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1124.047385][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1124.052412][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.057358][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.062229][T25661] do_syscall_64+0x9f/0x140 [ 1124.066762][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.072693][T25661] RIP: 0033:0x4665d9 [ 1124.076605][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1124.096215][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1124.104635][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1124.112627][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1124.120601][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1124.128609][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1124.136769][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1124.144833][T25661] Uninit was stored to memory at: [ 1124.149849][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1124.155586][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.160521][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.165125][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.170059][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.174908][T25661] do_syscall_64+0x9f/0x140 [ 1124.179412][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.185334][T25661] [ 1124.187663][T25661] Uninit was stored to memory at: [ 1124.192663][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1124.198385][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.203425][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.208011][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.212957][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.217801][T25661] do_syscall_64+0x9f/0x140 [ 1124.222302][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.228215][T25661] [ 1124.230530][T25661] Uninit was stored to memory at: [ 1124.235541][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1124.241268][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.246229][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.250830][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.256030][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.260883][T25661] do_syscall_64+0x9f/0x140 [ 1124.265377][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.271263][T25661] [ 1124.273573][T25661] Uninit was stored to memory at: [ 1124.278572][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1124.284295][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.289241][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.293828][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.298767][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.303615][T25661] do_syscall_64+0x9f/0x140 [ 1124.308137][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.314153][T25661] [ 1124.316473][T25661] Uninit was stored to memory at: [ 1124.321483][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1124.327202][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.332139][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.336751][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.341696][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.346551][T25661] do_syscall_64+0x9f/0x140 [ 1124.351059][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.356959][T25661] [ 1124.359288][T25661] Uninit was stored to memory at: [ 1124.364294][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1124.370013][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.374970][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.379579][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.384515][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.389381][T25661] do_syscall_64+0x9f/0x140 [ 1124.393894][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.399782][T25661] [ 1124.402108][T25661] Uninit was stored to memory at: [ 1124.407109][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1124.412838][T25661] __msan_chain_origin+0x54/0xa0 [ 1124.417783][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1124.422500][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1124.427483][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1124.432366][T25661] do_syscall_64+0x9f/0x140 [ 1124.436881][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.442780][T25661] [ 1124.445098][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1124.451752][T25661] do_recvmmsg+0xbf/0x22d0 [ 1124.456182][T25661] do_recvmmsg+0xbf/0x22d0 [ 1124.463843][ T3127] ieee802154 phy0 wpan0: encryption failed: -22 [ 1124.470373][ T3127] ieee802154 phy1 wpan1: encryption failed: -22 [ 1124.649894][T25685] not chained 1170000 origins [ 1124.654739][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1124.663512][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1124.673589][T25685] Call Trace: [ 1124.676872][T25685] dump_stack+0x24c/0x2e0 [ 1124.681207][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1124.686956][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1124.692163][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1124.698080][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1124.703722][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1124.708930][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1124.714793][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1124.720929][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1124.726139][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1124.731798][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1124.737876][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1124.743171][T25685] ? _copy_from_user+0x1fd/0x300 [ 1124.748128][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1124.753352][T25685] __msan_chain_origin+0x54/0xa0 [ 1124.758318][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1124.762930][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1124.768665][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1124.773969][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1124.779171][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1124.784217][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1124.789180][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1124.794048][T25685] do_syscall_64+0x9f/0x140 [ 1124.798647][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.804546][T25685] RIP: 0033:0x4665d9 [ 1124.808453][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1124.828372][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1124.836821][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1124.844794][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1124.852764][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1124.860736][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1124.868704][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1124.876693][T25685] Uninit was stored to memory at: [ 1124.881700][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1124.887428][T25685] __msan_chain_origin+0x54/0xa0 [ 1124.892372][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1124.896978][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1124.901923][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1124.906785][T25685] do_syscall_64+0x9f/0x140 [ 1124.911288][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.917183][T25685] [ 1124.919514][T25685] Uninit was stored to memory at: [ 1124.924516][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1124.930329][T25685] __msan_chain_origin+0x54/0xa0 [ 1124.935274][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1124.939888][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1124.944853][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1124.949735][T25685] do_syscall_64+0x9f/0x140 [ 1124.954248][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1124.960153][T25685] [ 1124.962500][T25685] Uninit was stored to memory at: [ 1124.967537][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1124.973311][T25685] __msan_chain_origin+0x54/0xa0 [ 1124.978273][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1124.982867][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1124.987822][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1124.992734][T25685] do_syscall_64+0x9f/0x140 [ 1124.997247][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.003240][T25685] [ 1125.005589][T25685] Uninit was stored to memory at: [ 1125.010602][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1125.016795][T25685] __msan_chain_origin+0x54/0xa0 [ 1125.021734][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1125.026567][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1125.031535][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1125.036391][T25685] do_syscall_64+0x9f/0x140 [ 1125.040909][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.046807][T25685] [ 1125.049403][T25685] Uninit was stored to memory at: [ 1125.054424][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1125.060149][T25685] __msan_chain_origin+0x54/0xa0 [ 1125.065971][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1125.070610][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1125.075566][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1125.080434][T25685] do_syscall_64+0x9f/0x140 [ 1125.085040][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.090956][T25685] [ 1125.093278][T25685] Uninit was stored to memory at: [ 1125.098313][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1125.104054][T25685] __msan_chain_origin+0x54/0xa0 [ 1125.109072][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1125.113771][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1125.118766][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1125.123629][T25685] do_syscall_64+0x9f/0x140 [ 1125.128153][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.134074][T25685] [ 1125.136412][T25685] Uninit was stored to memory at: [ 1125.141419][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1125.147170][T25685] __msan_chain_origin+0x54/0xa0 [ 1125.152122][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1125.156734][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1125.161674][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1125.166542][T25685] do_syscall_64+0x9f/0x140 [ 1125.171049][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.177063][T25685] [ 1125.179402][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1125.186058][T25685] do_recvmmsg+0xbf/0x22d0 [ 1125.190481][T25685] do_recvmmsg+0xbf/0x22d0 [ 1125.370456][T25661] not chained 1180000 origins [ 1125.375195][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1125.384175][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1125.394250][T25661] Call Trace: [ 1125.397536][T25661] dump_stack+0x24c/0x2e0 [ 1125.401890][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1125.408231][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1125.413453][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1125.419377][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1125.425060][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1125.430452][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1125.436267][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1125.442343][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1125.447566][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1125.453219][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1125.459343][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1125.464652][T25661] ? _copy_from_user+0x1fd/0x300 [ 1125.469615][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1125.474820][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.479767][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.484371][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1125.490029][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1125.495324][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1125.500545][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1125.505571][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.510521][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.515389][T25661] do_syscall_64+0x9f/0x140 [ 1125.519946][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.526558][T25661] RIP: 0033:0x4665d9 [ 1125.530507][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1125.550220][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1125.558660][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1125.566789][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1125.575510][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1125.583490][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1125.591754][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1125.599861][T25661] Uninit was stored to memory at: [ 1125.605159][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1125.610922][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.615904][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.620507][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.625454][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.630392][T25661] do_syscall_64+0x9f/0x140 [ 1125.634930][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.640834][T25661] [ 1125.643161][T25661] Uninit was stored to memory at: [ 1125.648181][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1125.653921][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.658877][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.663488][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.668447][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.673525][T25661] do_syscall_64+0x9f/0x140 [ 1125.678518][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.684883][T25661] [ 1125.687217][T25661] Uninit was stored to memory at: [ 1125.692371][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1125.698214][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.703358][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.707990][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.712931][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.717881][T25661] do_syscall_64+0x9f/0x140 [ 1125.723619][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.729524][T25661] [ 1125.731845][T25661] Uninit was stored to memory at: [ 1125.736877][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1125.742607][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.747573][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.752166][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.757119][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.761985][T25661] do_syscall_64+0x9f/0x140 [ 1125.766513][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.772452][T25661] [ 1125.774784][T25661] Uninit was stored to memory at: [ 1125.779788][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1125.785513][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.790502][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.795132][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.800098][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.805194][T25661] do_syscall_64+0x9f/0x140 [ 1125.809720][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.815952][T25661] [ 1125.818276][T25661] Uninit was stored to memory at: [ 1125.823335][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1125.829094][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.834036][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.838769][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.843714][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.848573][T25661] do_syscall_64+0x9f/0x140 [ 1125.853076][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.859057][T25661] [ 1125.861372][T25661] Uninit was stored to memory at: [ 1125.866505][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1125.872364][T25661] __msan_chain_origin+0x54/0xa0 [ 1125.877322][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1125.881931][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1125.886867][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1125.891891][T25661] do_syscall_64+0x9f/0x140 [ 1125.896582][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1125.902768][T25661] [ 1125.905096][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1125.911765][T25661] do_recvmmsg+0xbf/0x22d0 [ 1125.916192][T25661] do_recvmmsg+0xbf/0x22d0 [ 1126.071315][T25685] not chained 1190000 origins [ 1126.076032][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1126.084931][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1126.094992][T25685] Call Trace: [ 1126.098360][T25685] dump_stack+0x24c/0x2e0 [ 1126.102893][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1126.108634][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1126.113856][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1126.120545][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1126.126209][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1126.131477][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1126.137411][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1126.143502][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1126.148792][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1126.154620][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1126.160694][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1126.165982][T25685] ? _copy_from_user+0x1fd/0x300 [ 1126.170940][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1126.176228][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.181272][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.185981][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1126.191707][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1126.197126][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1126.202508][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1126.207541][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.212483][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.217338][T25685] do_syscall_64+0x9f/0x140 [ 1126.221890][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.227795][T25685] RIP: 0033:0x4665d9 [ 1126.231691][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1126.251299][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1126.259723][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1126.267715][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1126.275691][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1126.283682][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1126.291655][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1126.299782][T25685] Uninit was stored to memory at: [ 1126.304815][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1126.310555][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.315496][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.320125][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.325097][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.329977][T25685] do_syscall_64+0x9f/0x140 [ 1126.334497][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.340405][T25685] [ 1126.343030][T25685] Uninit was stored to memory at: [ 1126.348056][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1126.353802][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.358755][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.363355][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.368307][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.373191][T25685] do_syscall_64+0x9f/0x140 [ 1126.377718][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.383622][T25685] [ 1126.385945][T25685] Uninit was stored to memory at: [ 1126.390978][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1126.396750][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.401695][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.406331][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.411273][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.416246][T25685] do_syscall_64+0x9f/0x140 [ 1126.420849][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.426839][T25685] [ 1126.429257][T25685] Uninit was stored to memory at: [ 1126.434285][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1126.440012][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.444966][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.450605][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.455566][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.460418][T25685] do_syscall_64+0x9f/0x140 [ 1126.465410][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.471561][T25685] [ 1126.473887][T25685] Uninit was stored to memory at: [ 1126.478909][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1126.484629][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.489565][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.494150][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.499167][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.504027][T25685] do_syscall_64+0x9f/0x140 [ 1126.508746][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.514725][T25685] [ 1126.517232][T25685] Uninit was stored to memory at: [ 1126.522330][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1126.528063][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.532996][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.537583][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.542515][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.547362][T25685] do_syscall_64+0x9f/0x140 [ 1126.551979][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.557992][T25685] [ 1126.560401][T25685] Uninit was stored to memory at: [ 1126.565406][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1126.571535][T25685] __msan_chain_origin+0x54/0xa0 [ 1126.576686][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1126.581455][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1126.586424][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1126.591294][T25685] do_syscall_64+0x9f/0x140 [ 1126.595819][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.601713][T25685] [ 1126.604073][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1126.610914][T25685] do_recvmmsg+0xbf/0x22d0 [ 1126.615409][T25685] do_recvmmsg+0xbf/0x22d0 [ 1126.791181][T25661] not chained 1200000 origins [ 1126.795996][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1126.805164][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1126.815224][T25661] Call Trace: [ 1126.818524][T25661] dump_stack+0x24c/0x2e0 [ 1126.822872][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1126.828614][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1126.833836][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1126.841055][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1126.846710][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1126.851919][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1126.857747][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1126.863985][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1126.869298][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1126.874957][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1126.881050][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1126.886350][T25661] ? _copy_from_user+0x1fd/0x300 [ 1126.891510][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1126.896709][T25661] __msan_chain_origin+0x54/0xa0 [ 1126.901795][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1126.906494][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1126.912128][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1126.917418][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1126.922613][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1126.927757][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1126.933135][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1126.938007][T25661] do_syscall_64+0x9f/0x140 [ 1126.942725][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1126.948673][T25661] RIP: 0033:0x4665d9 [ 1126.952562][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1126.972394][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1126.980828][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1126.988804][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1126.997151][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1127.005124][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1127.013116][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1127.021109][T25661] Uninit was stored to memory at: [ 1127.026136][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1127.031906][T25661] __msan_chain_origin+0x54/0xa0 [ 1127.036846][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1127.041498][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1127.046443][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1127.051506][T25661] do_syscall_64+0x9f/0x140 [ 1127.056099][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.061988][T25661] [ 1127.064311][T25661] Uninit was stored to memory at: [ 1127.069401][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1127.075126][T25661] __msan_chain_origin+0x54/0xa0 [ 1127.080065][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1127.085272][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1127.090390][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1127.095288][T25661] do_syscall_64+0x9f/0x140 [ 1127.099811][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.105709][T25661] [ 1127.108058][T25661] Uninit was stored to memory at: [ 1127.113081][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1127.118890][T25661] __msan_chain_origin+0x54/0xa0 [ 1127.123830][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1127.128422][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1127.133374][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1127.138378][T25661] do_syscall_64+0x9f/0x140 [ 1127.142921][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.149338][T25661] [ 1127.151714][T25661] Uninit was stored to memory at: [ 1127.156720][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1127.162458][T25661] __msan_chain_origin+0x54/0xa0 [ 1127.167421][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1127.172468][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1127.177423][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1127.182311][T25661] do_syscall_64+0x9f/0x140 [ 1127.186818][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.192718][T25661] [ 1127.195051][T25661] Uninit was stored to memory at: [ 1127.200321][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1127.206049][T25661] __msan_chain_origin+0x54/0xa0 [ 1127.211094][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1127.215703][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1127.220835][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1127.225702][T25661] do_syscall_64+0x9f/0x140 [ 1127.233864][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.239774][T25661] [ 1127.242231][T25661] Uninit was stored to memory at: [ 1127.247235][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1127.252972][T25661] __msan_chain_origin+0x54/0xa0 [ 1127.257912][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1127.262503][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1127.267440][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1127.272303][T25661] do_syscall_64+0x9f/0x140 [ 1127.276823][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.282712][T25661] [ 1127.285030][T25661] Uninit was stored to memory at: [ 1127.290161][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1127.295889][T25661] __msan_chain_origin+0x54/0xa0 [ 1127.300969][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1127.305560][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1127.310604][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1127.315461][T25661] do_syscall_64+0x9f/0x140 [ 1127.320052][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.325951][T25661] [ 1127.328265][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1127.334935][T25661] do_recvmmsg+0xbf/0x22d0 [ 1127.339372][T25661] do_recvmmsg+0xbf/0x22d0 [ 1127.537992][T25685] not chained 1210000 origins [ 1127.542860][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1127.551623][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1127.561845][T25685] Call Trace: [ 1127.565171][T25685] dump_stack+0x24c/0x2e0 [ 1127.569512][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1127.575256][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1127.580464][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1127.586492][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1127.592138][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1127.597363][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1127.603189][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1127.609409][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1127.614661][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1127.620322][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1127.626414][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1127.631812][T25685] ? _copy_from_user+0x1fd/0x300 [ 1127.636779][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1127.641985][T25685] __msan_chain_origin+0x54/0xa0 [ 1127.646970][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1127.651577][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1127.657276][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1127.662577][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1127.667966][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1127.673258][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1127.678236][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1127.683113][T25685] do_syscall_64+0x9f/0x140 [ 1127.687884][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.693806][T25685] RIP: 0033:0x4665d9 [ 1127.697698][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1127.717322][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1127.725781][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1127.733759][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1127.741760][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1127.749742][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1127.758144][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1127.766394][T25685] Uninit was stored to memory at: [ 1127.771410][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1127.777147][T25685] __msan_chain_origin+0x54/0xa0 [ 1127.782101][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1127.786723][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1127.791672][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1127.796525][T25685] do_syscall_64+0x9f/0x140 [ 1127.801069][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.806970][T25685] [ 1127.809511][T25685] Uninit was stored to memory at: [ 1127.814554][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1127.820408][T25685] __msan_chain_origin+0x54/0xa0 [ 1127.825360][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1127.829960][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1127.834928][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1127.839846][T25685] do_syscall_64+0x9f/0x140 [ 1127.844385][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.850312][T25685] [ 1127.852649][T25685] Uninit was stored to memory at: [ 1127.857663][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1127.863409][T25685] __msan_chain_origin+0x54/0xa0 [ 1127.868355][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1127.873146][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1127.878099][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1127.882978][T25685] do_syscall_64+0x9f/0x140 [ 1127.887510][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.893456][T25685] [ 1127.895778][T25685] Uninit was stored to memory at: [ 1127.901417][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1127.907170][T25685] __msan_chain_origin+0x54/0xa0 [ 1127.912129][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1127.916748][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1127.921690][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1127.926546][T25685] do_syscall_64+0x9f/0x140 [ 1127.931078][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.937007][T25685] [ 1127.939330][T25685] Uninit was stored to memory at: [ 1127.944341][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1127.950072][T25685] __msan_chain_origin+0x54/0xa0 [ 1127.955020][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1127.959631][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1127.964599][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1127.969468][T25685] do_syscall_64+0x9f/0x140 [ 1127.973994][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1127.979887][T25685] [ 1127.982206][T25685] Uninit was stored to memory at: [ 1127.987219][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1127.992965][T25685] __msan_chain_origin+0x54/0xa0 [ 1127.997927][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1128.002620][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1128.007589][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1128.012443][T25685] do_syscall_64+0x9f/0x140 [ 1128.017031][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.022923][T25685] [ 1128.025258][T25685] Uninit was stored to memory at: [ 1128.030265][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1128.036135][T25685] __msan_chain_origin+0x54/0xa0 [ 1128.041088][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1128.045699][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1128.050655][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1128.055762][T25685] do_syscall_64+0x9f/0x140 [ 1128.060291][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.066182][T25685] [ 1128.068498][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1128.075162][T25685] do_recvmmsg+0xbf/0x22d0 [ 1128.079723][T25685] do_recvmmsg+0xbf/0x22d0 [ 1128.265892][T25661] not chained 1220000 origins [ 1128.270599][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1128.279452][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1128.289552][T25661] Call Trace: [ 1128.292860][T25661] dump_stack+0x24c/0x2e0 [ 1128.297391][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1128.303576][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1128.308913][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1128.314831][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1128.320511][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1128.325756][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1128.331778][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1128.337935][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1128.343172][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1128.348827][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1128.354901][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1128.360198][T25661] ? _copy_from_user+0x1fd/0x300 [ 1128.365280][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1128.370756][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.376054][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.380672][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1128.386327][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1128.391636][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1128.396850][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1128.402002][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.406976][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.411862][T25661] do_syscall_64+0x9f/0x140 [ 1128.416398][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.422331][T25661] RIP: 0033:0x4665d9 [ 1128.426268][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1128.445874][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1128.454322][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1128.462477][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1128.471154][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1128.479135][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1128.487642][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1128.495750][T25661] Uninit was stored to memory at: [ 1128.501914][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1128.507651][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.512705][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.517421][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.522369][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.527231][T25661] do_syscall_64+0x9f/0x140 [ 1128.531861][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.537765][T25661] [ 1128.540109][T25661] Uninit was stored to memory at: [ 1128.545118][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1128.550871][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.555843][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.560441][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.565503][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.570377][T25661] do_syscall_64+0x9f/0x140 [ 1128.574917][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.580993][T25661] [ 1128.583439][T25661] Uninit was stored to memory at: [ 1128.588476][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1128.594370][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.599352][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.603953][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.608902][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.613766][T25661] do_syscall_64+0x9f/0x140 [ 1128.618291][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.624189][T25661] [ 1128.626513][T25661] Uninit was stored to memory at: [ 1128.631556][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1128.637303][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.642265][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.646870][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.651843][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.658115][T25661] do_syscall_64+0x9f/0x140 [ 1128.662642][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.668548][T25661] [ 1128.670894][T25661] Uninit was stored to memory at: [ 1128.676072][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1128.681923][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.687013][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.691816][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.697477][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.702349][T25661] do_syscall_64+0x9f/0x140 [ 1128.706861][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.712785][T25661] [ 1128.715113][T25661] Uninit was stored to memory at: [ 1128.720127][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1128.725866][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.731050][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.735738][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.740736][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.745691][T25661] do_syscall_64+0x9f/0x140 [ 1128.750220][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.756144][T25661] [ 1128.758467][T25661] Uninit was stored to memory at: [ 1128.763642][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1128.769486][T25661] __msan_chain_origin+0x54/0xa0 [ 1128.774504][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1128.779109][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1128.786703][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1128.791566][T25661] do_syscall_64+0x9f/0x140 [ 1128.796195][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1128.802099][T25661] [ 1128.804428][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1128.811116][T25661] do_recvmmsg+0xbf/0x22d0 [ 1128.815757][T25661] do_recvmmsg+0xbf/0x22d0 [ 1129.025674][T25685] not chained 1230000 origins [ 1129.030654][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1129.039524][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1129.049613][T25685] Call Trace: [ 1129.053310][T25685] dump_stack+0x24c/0x2e0 [ 1129.057737][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1129.063489][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1129.068748][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1129.074682][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1129.080350][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1129.085580][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1129.091417][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1129.097598][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1129.102810][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1129.108454][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1129.114530][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1129.120089][T25685] ? _copy_from_user+0x1fd/0x300 [ 1129.125040][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1129.130269][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.135227][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.139984][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1129.145658][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1129.150951][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1129.156167][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1129.161225][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.166298][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.171190][T25685] do_syscall_64+0x9f/0x140 [ 1129.175720][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.181621][T25685] RIP: 0033:0x4665d9 [ 1129.185518][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1129.206151][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1129.214695][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1129.222793][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1129.230919][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1129.238991][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1129.247089][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1129.255428][T25685] Uninit was stored to memory at: [ 1129.260464][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1129.266218][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.271180][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.275775][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.280720][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.285596][T25685] do_syscall_64+0x9f/0x140 [ 1129.290224][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.296222][T25685] [ 1129.298537][T25685] Uninit was stored to memory at: [ 1129.303541][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1129.309291][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.315188][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.319794][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.324745][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.329608][T25685] do_syscall_64+0x9f/0x140 [ 1129.334105][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.340349][T25685] [ 1129.342672][T25685] Uninit was stored to memory at: [ 1129.347676][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1129.353671][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.358604][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.363208][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.368153][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.373015][T25685] do_syscall_64+0x9f/0x140 [ 1129.377522][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.383414][T25685] [ 1129.385744][T25685] Uninit was stored to memory at: [ 1129.390856][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1129.396596][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.401530][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.406119][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.411152][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.416002][T25685] do_syscall_64+0x9f/0x140 [ 1129.420580][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.426480][T25685] [ 1129.428799][T25685] Uninit was stored to memory at: [ 1129.433816][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1129.439536][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.444491][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.449151][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.454106][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.459094][T25685] do_syscall_64+0x9f/0x140 [ 1129.463697][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.470327][T25685] [ 1129.472659][T25685] Uninit was stored to memory at: [ 1129.477688][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1129.483434][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.488402][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.493015][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.497976][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.502829][T25685] do_syscall_64+0x9f/0x140 [ 1129.507394][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.513329][T25685] [ 1129.515691][T25685] Uninit was stored to memory at: [ 1129.520706][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1129.526434][T25685] __msan_chain_origin+0x54/0xa0 [ 1129.531389][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1129.536033][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1129.540973][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1129.545835][T25685] do_syscall_64+0x9f/0x140 [ 1129.550340][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.556251][T25685] [ 1129.558570][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1129.565226][T25685] do_recvmmsg+0xbf/0x22d0 [ 1129.571397][T25685] do_recvmmsg+0xbf/0x22d0 [ 1129.740343][T25661] not chained 1240000 origins [ 1129.745482][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1129.754271][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1129.764565][T25661] Call Trace: [ 1129.768162][T25661] dump_stack+0x24c/0x2e0 [ 1129.772808][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1129.779160][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1129.784382][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1129.790478][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1129.796122][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1129.801765][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1129.807585][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1129.813776][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1129.819426][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1129.825099][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1129.831185][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1129.836598][T25661] ? _copy_from_user+0x1fd/0x300 [ 1129.841582][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1129.846812][T25661] __msan_chain_origin+0x54/0xa0 [ 1129.851759][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1129.856406][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1129.862094][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1129.867415][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1129.872646][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1129.877715][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1129.882676][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1129.887548][T25661] do_syscall_64+0x9f/0x140 [ 1129.892386][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1129.898439][T25661] RIP: 0033:0x4665d9 [ 1129.902456][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1129.922262][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1129.931032][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1129.939039][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1129.947156][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1129.955172][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1129.963178][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1129.971172][T25661] Uninit was stored to memory at: [ 1129.976205][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1129.982055][T25661] __msan_chain_origin+0x54/0xa0 [ 1129.987024][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1129.991615][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1129.996549][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1130.001435][T25661] do_syscall_64+0x9f/0x140 [ 1130.005963][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.011854][T25661] [ 1130.014305][T25661] Uninit was stored to memory at: [ 1130.019329][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1130.025050][T25661] __msan_chain_origin+0x54/0xa0 [ 1130.030006][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1130.034613][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1130.039548][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1130.044433][T25661] do_syscall_64+0x9f/0x140 [ 1130.048966][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.054894][T25661] [ 1130.057274][T25661] Uninit was stored to memory at: [ 1130.062459][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1130.068199][T25661] __msan_chain_origin+0x54/0xa0 [ 1130.073146][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1130.077750][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1130.082704][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1130.087558][T25661] do_syscall_64+0x9f/0x140 [ 1130.092083][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.097977][T25661] [ 1130.100335][T25661] Uninit was stored to memory at: [ 1130.105338][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1130.111194][T25661] __msan_chain_origin+0x54/0xa0 [ 1130.116133][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1130.120730][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1130.125839][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1130.130722][T25661] do_syscall_64+0x9f/0x140 [ 1130.135259][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.141187][T25661] [ 1130.143508][T25661] Uninit was stored to memory at: [ 1130.148527][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1130.154402][T25661] __msan_chain_origin+0x54/0xa0 [ 1130.159340][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1130.163935][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1130.168920][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1130.173778][T25661] do_syscall_64+0x9f/0x140 [ 1130.178285][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.184292][T25661] [ 1130.186632][T25661] Uninit was stored to memory at: [ 1130.191662][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1130.197406][T25661] __msan_chain_origin+0x54/0xa0 [ 1130.202349][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1130.206983][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1130.211932][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1130.216892][T25661] do_syscall_64+0x9f/0x140 [ 1130.221532][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.227470][T25661] [ 1130.229790][T25661] Uninit was stored to memory at: [ 1130.234928][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1130.240681][T25661] __msan_chain_origin+0x54/0xa0 [ 1130.245635][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1130.250299][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1130.255248][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1130.260107][T25661] do_syscall_64+0x9f/0x140 [ 1130.264764][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.270721][T25661] [ 1130.273044][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1130.279705][T25661] do_recvmmsg+0xbf/0x22d0 [ 1130.284126][T25661] do_recvmmsg+0xbf/0x22d0 [ 1130.439950][T25685] not chained 1250000 origins [ 1130.444683][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1130.453847][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1130.463921][T25685] Call Trace: [ 1130.467222][T25685] dump_stack+0x24c/0x2e0 [ 1130.471755][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1130.477568][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1130.482886][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1130.488906][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1130.494556][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1130.500030][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1130.505864][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1130.512211][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1130.517792][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1130.523505][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1130.529820][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1130.535132][T25685] ? _copy_from_user+0x1fd/0x300 [ 1130.540077][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1130.545344][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.550299][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.554936][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1130.561136][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1130.566523][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1130.571775][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1130.576846][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.581818][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.587035][T25685] do_syscall_64+0x9f/0x140 [ 1130.591689][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.598154][T25685] RIP: 0033:0x4665d9 [ 1130.602082][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1130.621843][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1130.631092][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1130.640002][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1130.648111][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1130.656090][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1130.664109][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1130.672096][T25685] Uninit was stored to memory at: [ 1130.677200][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1130.682926][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.687872][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.692634][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.697975][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.702858][T25685] do_syscall_64+0x9f/0x140 [ 1130.708191][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.714693][T25685] [ 1130.717037][T25685] Uninit was stored to memory at: [ 1130.722432][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1130.728168][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.733126][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.739005][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.744155][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.749157][T25685] do_syscall_64+0x9f/0x140 [ 1130.753720][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.759618][T25685] [ 1130.761946][T25685] Uninit was stored to memory at: [ 1130.767076][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1130.773088][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.778047][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.782673][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.787712][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.793212][T25685] do_syscall_64+0x9f/0x140 [ 1130.798005][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.805171][T25685] [ 1130.807672][T25685] Uninit was stored to memory at: [ 1130.812956][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1130.818860][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.824294][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.828903][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.834395][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.840262][T25685] do_syscall_64+0x9f/0x140 [ 1130.844902][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.850976][T25685] [ 1130.853655][T25685] Uninit was stored to memory at: [ 1130.858683][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1130.864495][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.869438][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.874539][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.879514][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.884411][T25685] do_syscall_64+0x9f/0x140 [ 1130.888920][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.895036][T25685] [ 1130.897491][T25685] Uninit was stored to memory at: [ 1130.903005][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1130.908938][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.914082][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.918788][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.924410][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.929307][T25685] do_syscall_64+0x9f/0x140 [ 1130.934075][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.940021][T25685] [ 1130.942847][T25685] Uninit was stored to memory at: [ 1130.947952][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1130.953691][T25685] __msan_chain_origin+0x54/0xa0 [ 1130.959719][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1130.964691][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1130.969947][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1130.974820][T25685] do_syscall_64+0x9f/0x140 [ 1130.979409][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1130.985335][T25685] [ 1130.987864][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1130.994890][T25685] do_recvmmsg+0xbf/0x22d0 [ 1130.999318][T25685] do_recvmmsg+0xbf/0x22d0 [ 1131.182271][T25661] not chained 1260000 origins [ 1131.187088][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1131.196073][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1131.206664][T25661] Call Trace: [ 1131.210055][T25661] dump_stack+0x24c/0x2e0 [ 1131.214396][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1131.220155][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1131.225370][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1131.231268][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1131.237074][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1131.242282][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1131.248112][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1131.254185][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1131.259574][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1131.265213][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1131.271430][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1131.277335][T25661] ? _copy_from_user+0x1fd/0x300 [ 1131.282511][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1131.287816][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.293085][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.297705][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1131.304248][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1131.309556][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1131.315037][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1131.320577][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.325534][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.330395][T25661] do_syscall_64+0x9f/0x140 [ 1131.334988][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.341012][T25661] RIP: 0033:0x4665d9 [ 1131.345088][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1131.365088][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1131.373633][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1131.381837][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1131.390202][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1131.398417][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1131.406482][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1131.414994][T25661] Uninit was stored to memory at: [ 1131.420010][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1131.425734][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.430678][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.435283][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.440892][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.446288][T25661] do_syscall_64+0x9f/0x140 [ 1131.450816][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.457584][T25661] [ 1131.459905][T25661] Uninit was stored to memory at: [ 1131.465006][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1131.470728][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.475683][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.480288][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.486282][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.491143][T25661] do_syscall_64+0x9f/0x140 [ 1131.495658][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.501643][T25661] [ 1131.503953][T25661] Uninit was stored to memory at: [ 1131.508971][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1131.514774][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.519707][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.524291][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.529235][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.534096][T25661] do_syscall_64+0x9f/0x140 [ 1131.538602][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.544565][T25661] [ 1131.546985][T25661] Uninit was stored to memory at: [ 1131.552043][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1131.557766][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.562719][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.567429][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.572574][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.578090][T25661] do_syscall_64+0x9f/0x140 [ 1131.582612][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.588518][T25661] [ 1131.591010][T25661] Uninit was stored to memory at: [ 1131.596021][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1131.601808][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.606769][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.611470][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.616735][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.621686][T25661] do_syscall_64+0x9f/0x140 [ 1131.626207][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.632119][T25661] [ 1131.634446][T25661] Uninit was stored to memory at: [ 1131.639717][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1131.645446][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.650396][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.654989][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.660184][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.665238][T25661] do_syscall_64+0x9f/0x140 [ 1131.670578][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.677071][T25661] [ 1131.679449][T25661] Uninit was stored to memory at: [ 1131.684455][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1131.690183][T25661] __msan_chain_origin+0x54/0xa0 [ 1131.695124][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1131.699720][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1131.704766][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1131.709630][T25661] do_syscall_64+0x9f/0x140 [ 1131.714486][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1131.720790][T25661] [ 1131.723524][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1131.730240][T25661] do_recvmmsg+0xbf/0x22d0 [ 1131.735072][T25661] do_recvmmsg+0xbf/0x22d0 [ 1131.882187][T25685] not chained 1270000 origins [ 1131.886899][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1131.895739][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1131.906032][T25685] Call Trace: [ 1131.909329][T25685] dump_stack+0x24c/0x2e0 [ 1131.914169][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1131.919909][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1131.926342][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1131.932309][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1131.937955][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1131.943201][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1131.949219][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1131.955333][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1131.960638][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1131.966290][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1131.972658][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1131.979094][T25685] ? _copy_from_user+0x1fd/0x300 [ 1131.984032][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1131.989227][T25685] __msan_chain_origin+0x54/0xa0 [ 1131.994258][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1131.999384][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1132.005185][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1132.010511][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1132.015721][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1132.020959][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.025906][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.030950][T25685] do_syscall_64+0x9f/0x140 [ 1132.035455][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.041349][T25685] RIP: 0033:0x4665d9 [ 1132.045283][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1132.064985][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1132.073415][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1132.081724][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1132.089706][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1132.098144][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1132.106552][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1132.114533][T25685] Uninit was stored to memory at: [ 1132.119637][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1132.125398][T25685] __msan_chain_origin+0x54/0xa0 [ 1132.130368][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1132.134993][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.139935][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.144791][T25685] do_syscall_64+0x9f/0x140 [ 1132.149294][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.155198][T25685] [ 1132.157542][T25685] Uninit was stored to memory at: [ 1132.162549][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1132.168290][T25685] __msan_chain_origin+0x54/0xa0 [ 1132.173419][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1132.178117][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.183054][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.187936][T25685] do_syscall_64+0x9f/0x140 [ 1132.192655][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.198563][T25685] [ 1132.200878][T25685] Uninit was stored to memory at: [ 1132.205888][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1132.211636][T25685] __msan_chain_origin+0x54/0xa0 [ 1132.216616][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1132.221209][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.226148][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.231011][T25685] do_syscall_64+0x9f/0x140 [ 1132.235593][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.241497][T25685] [ 1132.243812][T25685] Uninit was stored to memory at: [ 1132.248830][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1132.254559][T25685] __msan_chain_origin+0x54/0xa0 [ 1132.259512][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1132.264111][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.269075][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.273927][T25685] do_syscall_64+0x9f/0x140 [ 1132.278431][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.284412][T25685] [ 1132.286732][T25685] Uninit was stored to memory at: [ 1132.291839][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1132.297595][T25685] __msan_chain_origin+0x54/0xa0 [ 1132.302535][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1132.307142][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.312251][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.317124][T25685] do_syscall_64+0x9f/0x140 [ 1132.321627][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.327537][T25685] [ 1132.329865][T25685] Uninit was stored to memory at: [ 1132.334865][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1132.341112][T25685] __msan_chain_origin+0x54/0xa0 [ 1132.346055][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1132.350663][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.355606][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.360514][T25685] do_syscall_64+0x9f/0x140 [ 1132.365025][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.370934][T25685] [ 1132.373256][T25685] Uninit was stored to memory at: [ 1132.378458][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1132.384211][T25685] __msan_chain_origin+0x54/0xa0 [ 1132.389148][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1132.393757][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1132.399062][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1132.403941][T25685] do_syscall_64+0x9f/0x140 [ 1132.408456][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.414525][T25685] [ 1132.416841][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1132.423583][T25685] do_recvmmsg+0xbf/0x22d0 [ 1132.428016][T25685] do_recvmmsg+0xbf/0x22d0 [ 1132.652104][T25661] not chained 1280000 origins [ 1132.656802][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1132.665676][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1132.675746][T25661] Call Trace: [ 1132.679027][T25661] dump_stack+0x24c/0x2e0 [ 1132.683366][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1132.689089][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1132.694298][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1132.700190][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1132.705837][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1132.711058][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1132.716913][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1132.723117][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1132.728476][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1132.734123][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1132.740186][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1132.745491][T25661] ? _copy_from_user+0x1fd/0x300 [ 1132.750451][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1132.755830][T25661] __msan_chain_origin+0x54/0xa0 [ 1132.761392][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1132.766349][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1132.772180][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1132.777473][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1132.782883][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1132.788016][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1132.793103][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1132.798077][T25661] do_syscall_64+0x9f/0x140 [ 1132.802871][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.809139][T25661] RIP: 0033:0x4665d9 [ 1132.813063][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1132.832755][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1132.841172][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1132.849153][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1132.857129][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1132.865201][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1132.873327][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1132.881363][T25661] Uninit was stored to memory at: [ 1132.886411][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1132.892179][T25661] __msan_chain_origin+0x54/0xa0 [ 1132.897135][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1132.901726][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1132.906840][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1132.911702][T25661] do_syscall_64+0x9f/0x140 [ 1132.916209][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.922104][T25661] [ 1132.924420][T25661] Uninit was stored to memory at: [ 1132.929424][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1132.935160][T25661] __msan_chain_origin+0x54/0xa0 [ 1132.940210][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1132.944805][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1132.949951][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1132.955541][T25661] do_syscall_64+0x9f/0x140 [ 1132.960100][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1132.966044][T25661] [ 1132.968600][T25661] Uninit was stored to memory at: [ 1132.973900][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1132.979628][T25661] __msan_chain_origin+0x54/0xa0 [ 1132.985629][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1132.991006][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1132.995952][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1133.000827][T25661] do_syscall_64+0x9f/0x140 [ 1133.005342][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.011325][T25661] [ 1133.013644][T25661] Uninit was stored to memory at: [ 1133.018671][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1133.024406][T25661] __msan_chain_origin+0x54/0xa0 [ 1133.029394][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1133.034031][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1133.038984][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1133.043829][T25661] do_syscall_64+0x9f/0x140 [ 1133.048345][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.054249][T25661] [ 1133.056577][T25661] Uninit was stored to memory at: [ 1133.061763][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1133.067498][T25661] __msan_chain_origin+0x54/0xa0 [ 1133.072562][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1133.077156][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1133.082089][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1133.086968][T25661] do_syscall_64+0x9f/0x140 [ 1133.091580][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.097468][T25661] [ 1133.099799][T25661] Uninit was stored to memory at: [ 1133.104814][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1133.110596][T25661] __msan_chain_origin+0x54/0xa0 [ 1133.115539][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1133.120248][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1133.125203][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1133.130055][T25661] do_syscall_64+0x9f/0x140 [ 1133.134580][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.140487][T25661] [ 1133.142802][T25661] Uninit was stored to memory at: [ 1133.147806][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1133.153819][T25661] __msan_chain_origin+0x54/0xa0 [ 1133.158859][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1133.163453][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1133.168390][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1133.173279][T25661] do_syscall_64+0x9f/0x140 [ 1133.177842][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.183763][T25661] [ 1133.186183][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1133.192873][T25661] do_recvmmsg+0xbf/0x22d0 [ 1133.197570][T25661] do_recvmmsg+0xbf/0x22d0 [ 1133.349902][T25685] not chained 1290000 origins [ 1133.354624][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1133.365309][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1133.375374][T25685] Call Trace: [ 1133.378661][T25685] dump_stack+0x24c/0x2e0 [ 1133.383011][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1133.388753][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1133.394307][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1133.400214][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1133.405866][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1133.411079][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1133.417000][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1133.423698][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1133.428909][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1133.434555][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1133.440627][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1133.445929][T25685] ? _copy_from_user+0x1fd/0x300 [ 1133.450958][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1133.456171][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.461148][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.466694][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1133.472573][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1133.477887][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1133.483200][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1133.488282][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.493230][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.498103][T25685] do_syscall_64+0x9f/0x140 [ 1133.502605][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.508500][T25685] RIP: 0033:0x4665d9 [ 1133.512423][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1133.534146][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1133.542699][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1133.550797][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1133.559208][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1133.567562][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1133.576113][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1133.584567][T25685] Uninit was stored to memory at: [ 1133.590149][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1133.595870][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.601026][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.605669][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.610766][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.615767][T25685] do_syscall_64+0x9f/0x140 [ 1133.620288][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.626194][T25685] [ 1133.628510][T25685] Uninit was stored to memory at: [ 1133.633615][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1133.639438][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.644649][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.649302][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.654764][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.659612][T25685] do_syscall_64+0x9f/0x140 [ 1133.664121][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.670020][T25685] [ 1133.672381][T25685] Uninit was stored to memory at: [ 1133.677394][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1133.683138][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.688084][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.692841][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.697903][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.702783][T25685] do_syscall_64+0x9f/0x140 [ 1133.707384][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.713410][T25685] [ 1133.715743][T25685] Uninit was stored to memory at: [ 1133.720748][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1133.726478][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.731433][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.740575][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.745848][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.750796][T25685] do_syscall_64+0x9f/0x140 [ 1133.755326][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.761228][T25685] [ 1133.763791][T25685] Uninit was stored to memory at: [ 1133.769117][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1133.774893][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.779847][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.784792][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.789764][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.794815][T25685] do_syscall_64+0x9f/0x140 [ 1133.799347][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.805489][T25685] [ 1133.807939][T25685] Uninit was stored to memory at: [ 1133.812990][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1133.818919][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.823887][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.829082][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.834271][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.839148][T25685] do_syscall_64+0x9f/0x140 [ 1133.843660][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.849675][T25685] [ 1133.852026][T25685] Uninit was stored to memory at: [ 1133.857042][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1133.862800][T25685] __msan_chain_origin+0x54/0xa0 [ 1133.867734][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1133.872416][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1133.877376][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1133.882273][T25685] do_syscall_64+0x9f/0x140 [ 1133.886870][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1133.893233][T25685] [ 1133.895572][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1133.902586][T25685] do_recvmmsg+0xbf/0x22d0 [ 1133.907121][T25685] do_recvmmsg+0xbf/0x22d0 [ 1134.081569][T25661] not chained 1300000 origins [ 1134.086529][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1134.095304][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1134.105394][T25661] Call Trace: [ 1134.108683][T25661] dump_stack+0x24c/0x2e0 [ 1134.113022][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1134.118771][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1134.123975][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1134.129908][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1134.135669][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1134.140878][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1134.146700][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1134.152946][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1134.158159][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1134.163914][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1134.169985][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1134.175280][T25661] ? _copy_from_user+0x1fd/0x300 [ 1134.180224][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1134.185423][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.190397][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.195021][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1134.201098][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1134.206542][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1134.211875][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1134.216909][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.221884][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.227498][T25661] do_syscall_64+0x9f/0x140 [ 1134.232469][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.238373][T25661] RIP: 0033:0x4665d9 [ 1134.242271][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1134.262155][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1134.270575][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1134.278549][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1134.286526][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1134.294498][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1134.302471][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1134.310709][T25661] Uninit was stored to memory at: [ 1134.315751][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1134.321912][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.326857][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.331471][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.336408][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.341265][T25661] do_syscall_64+0x9f/0x140 [ 1134.345785][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.351679][T25661] [ 1134.354099][T25661] Uninit was stored to memory at: [ 1134.359106][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1134.364830][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.369787][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.374377][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.379319][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.384168][T25661] do_syscall_64+0x9f/0x140 [ 1134.388683][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.394576][T25661] [ 1134.396886][T25661] Uninit was stored to memory at: [ 1134.401889][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1134.407610][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.412726][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.417327][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.422281][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.427133][T25661] do_syscall_64+0x9f/0x140 [ 1134.431656][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.437548][T25661] [ 1134.439892][T25661] Uninit was stored to memory at: [ 1134.444992][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1134.450721][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.455771][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.460363][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.465314][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.470263][T25661] do_syscall_64+0x9f/0x140 [ 1134.474871][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.480790][T25661] [ 1134.483126][T25661] Uninit was stored to memory at: [ 1134.488128][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1134.493865][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.498820][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.503427][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.508388][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.513350][T25661] do_syscall_64+0x9f/0x140 [ 1134.517893][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.523799][T25661] [ 1134.526135][T25661] Uninit was stored to memory at: [ 1134.531266][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1134.537019][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.542314][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.546924][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.551894][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.556750][T25661] do_syscall_64+0x9f/0x140 [ 1134.561269][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.567172][T25661] [ 1134.569511][T25661] Uninit was stored to memory at: [ 1134.574535][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1134.580352][T25661] __msan_chain_origin+0x54/0xa0 [ 1134.585299][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1134.590348][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1134.595735][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1134.600597][T25661] do_syscall_64+0x9f/0x140 [ 1134.605244][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.611148][T25661] [ 1134.613474][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1134.620166][T25661] do_recvmmsg+0xbf/0x22d0 [ 1134.624727][T25661] do_recvmmsg+0xbf/0x22d0 [ 1134.791161][T25685] not chained 1310000 origins [ 1134.796120][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1134.804901][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1134.814965][T25685] Call Trace: [ 1134.818263][T25685] dump_stack+0x24c/0x2e0 [ 1134.822612][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1134.828998][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1134.834327][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1134.840411][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1134.846125][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1134.851339][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1134.857368][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1134.863593][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1134.868961][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1134.874609][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1134.880706][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1134.886001][T25685] ? _copy_from_user+0x1fd/0x300 [ 1134.891059][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1134.896260][T25685] __msan_chain_origin+0x54/0xa0 [ 1134.901235][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1134.905837][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1134.911478][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1134.916775][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1134.921973][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1134.927011][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1134.932055][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1134.936933][T25685] do_syscall_64+0x9f/0x140 [ 1134.941692][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1134.948586][T25685] RIP: 0033:0x4665d9 [ 1134.952527][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1134.972481][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1134.980902][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1134.988891][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1134.996911][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1135.004898][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1135.012872][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1135.020853][T25685] Uninit was stored to memory at: [ 1135.025920][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1135.031776][T25685] __msan_chain_origin+0x54/0xa0 [ 1135.036740][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1135.041339][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1135.046279][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1135.051131][T25685] do_syscall_64+0x9f/0x140 [ 1135.055641][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.061594][T25685] [ 1135.063918][T25685] Uninit was stored to memory at: [ 1135.068935][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1135.074689][T25685] __msan_chain_origin+0x54/0xa0 [ 1135.079646][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1135.084250][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1135.089301][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1135.094228][T25685] do_syscall_64+0x9f/0x140 [ 1135.098739][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.104739][T25685] [ 1135.107060][T25685] Uninit was stored to memory at: [ 1135.112082][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1135.117820][T25685] __msan_chain_origin+0x54/0xa0 [ 1135.122776][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1135.127381][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1135.132341][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1135.137211][T25685] do_syscall_64+0x9f/0x140 [ 1135.141733][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.147624][T25685] [ 1135.149940][T25685] Uninit was stored to memory at: [ 1135.154948][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1135.160669][T25685] __msan_chain_origin+0x54/0xa0 [ 1135.165610][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1135.170215][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1135.175235][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1135.180197][T25685] do_syscall_64+0x9f/0x140 [ 1135.184829][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.190842][T25685] [ 1135.193161][T25685] Uninit was stored to memory at: [ 1135.198168][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1135.203910][T25685] __msan_chain_origin+0x54/0xa0 [ 1135.208865][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1135.213461][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1135.218424][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1135.223335][T25685] do_syscall_64+0x9f/0x140 [ 1135.227845][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.233829][T25685] [ 1135.236170][T25685] Uninit was stored to memory at: [ 1135.241214][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1135.246959][T25685] __msan_chain_origin+0x54/0xa0 [ 1135.251957][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1135.256558][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1135.261674][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1135.266716][T25685] do_syscall_64+0x9f/0x140 [ 1135.271238][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.277129][T25685] [ 1135.279445][T25685] Uninit was stored to memory at: [ 1135.284449][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1135.290187][T25685] __msan_chain_origin+0x54/0xa0 [ 1135.295146][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1135.299935][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1135.304887][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1135.309761][T25685] do_syscall_64+0x9f/0x140 [ 1135.314288][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.320209][T25685] [ 1135.322614][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1135.329273][T25685] do_recvmmsg+0xbf/0x22d0 [ 1135.333719][T25685] do_recvmmsg+0xbf/0x22d0 [ 1135.502261][T25661] not chained 1320000 origins [ 1135.506989][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1135.515772][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1135.525961][T25661] Call Trace: [ 1135.529365][T25661] dump_stack+0x24c/0x2e0 [ 1135.533701][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1135.539425][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1135.545082][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1135.551111][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1135.556773][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1135.561981][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1135.567833][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1135.573914][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1135.579129][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1135.584777][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1135.590864][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1135.596213][T25661] ? _copy_from_user+0x1fd/0x300 [ 1135.601289][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1135.606507][T25661] __msan_chain_origin+0x54/0xa0 [ 1135.611780][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1135.616659][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1135.622338][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1135.627879][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1135.633469][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1135.638538][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1135.643506][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1135.648386][T25661] do_syscall_64+0x9f/0x140 [ 1135.652922][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.658837][T25661] RIP: 0033:0x4665d9 [ 1135.662750][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1135.682460][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1135.690880][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1135.698856][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1135.706845][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1135.714899][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1135.722875][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1135.731103][T25661] Uninit was stored to memory at: [ 1135.736119][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1135.741859][T25661] __msan_chain_origin+0x54/0xa0 [ 1135.746801][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1135.751418][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1135.756682][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1135.761569][T25661] do_syscall_64+0x9f/0x140 [ 1135.766076][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.771968][T25661] [ 1135.774312][T25661] Uninit was stored to memory at: [ 1135.779703][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1135.785432][T25661] __msan_chain_origin+0x54/0xa0 [ 1135.790413][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1135.795025][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1135.800015][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1135.805406][T25661] do_syscall_64+0x9f/0x140 [ 1135.809934][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.815826][T25661] [ 1135.818138][T25661] Uninit was stored to memory at: [ 1135.823143][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1135.828866][T25661] __msan_chain_origin+0x54/0xa0 [ 1135.833827][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1135.838440][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1135.843397][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1135.848251][T25661] do_syscall_64+0x9f/0x140 [ 1135.852771][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.858670][T25661] [ 1135.860986][T25661] Uninit was stored to memory at: [ 1135.866010][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1135.871752][T25661] __msan_chain_origin+0x54/0xa0 [ 1135.876694][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1135.881525][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1135.886475][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1135.891329][T25661] do_syscall_64+0x9f/0x140 [ 1135.895983][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.901923][T25661] [ 1135.904241][T25661] Uninit was stored to memory at: [ 1135.909272][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1135.915018][T25661] __msan_chain_origin+0x54/0xa0 [ 1135.919961][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1135.924556][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1135.929499][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1135.934354][T25661] do_syscall_64+0x9f/0x140 [ 1135.938858][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.944756][T25661] [ 1135.947091][T25661] Uninit was stored to memory at: [ 1135.952116][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1135.957885][T25661] __msan_chain_origin+0x54/0xa0 [ 1135.962821][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1135.967448][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1135.972384][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1135.977247][T25661] do_syscall_64+0x9f/0x140 [ 1135.981821][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1135.987721][T25661] [ 1135.990243][T25661] Uninit was stored to memory at: [ 1135.995635][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1136.001370][T25661] __msan_chain_origin+0x54/0xa0 [ 1136.006309][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1136.010914][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1136.015867][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1136.020718][T25661] do_syscall_64+0x9f/0x140 [ 1136.025220][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.031123][T25661] [ 1136.033439][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1136.040112][T25661] do_recvmmsg+0xbf/0x22d0 [ 1136.044538][T25661] do_recvmmsg+0xbf/0x22d0 [ 1136.212936][T25685] not chained 1330000 origins [ 1136.217634][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1136.226417][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1136.236536][T25685] Call Trace: [ 1136.239835][T25685] dump_stack+0x24c/0x2e0 [ 1136.244186][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1136.249909][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1136.255215][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1136.261128][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1136.266779][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1136.271980][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1136.277789][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1136.283863][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1136.289072][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1136.294978][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1136.301234][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1136.306565][T25685] ? _copy_from_user+0x1fd/0x300 [ 1136.311557][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1136.316848][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.321798][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.326524][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1136.332156][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1136.337445][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1136.342656][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1136.347685][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.352660][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.357523][T25685] do_syscall_64+0x9f/0x140 [ 1136.362054][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.367974][T25685] RIP: 0033:0x4665d9 [ 1136.372139][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1136.392347][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1136.400771][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1136.408754][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1136.416757][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1136.425051][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1136.433043][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1136.441043][T25685] Uninit was stored to memory at: [ 1136.446069][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1136.451797][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.456755][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.461345][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.466280][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.471316][T25685] do_syscall_64+0x9f/0x140 [ 1136.475821][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.482230][T25685] [ 1136.484613][T25685] Uninit was stored to memory at: [ 1136.490408][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1136.496544][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.501685][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.506480][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.511440][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.516369][T25685] do_syscall_64+0x9f/0x140 [ 1136.520877][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.526780][T25685] [ 1136.529119][T25685] Uninit was stored to memory at: [ 1136.534137][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1136.539943][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.544901][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.549509][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.554476][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.559366][T25685] do_syscall_64+0x9f/0x140 [ 1136.563910][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.569912][T25685] [ 1136.572238][T25685] Uninit was stored to memory at: [ 1136.577421][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1136.583188][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.588244][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.594054][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.599104][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.604002][T25685] do_syscall_64+0x9f/0x140 [ 1136.608668][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.615211][T25685] [ 1136.617530][T25685] Uninit was stored to memory at: [ 1136.622574][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1136.628319][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.633306][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.638547][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.644370][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.649286][T25685] do_syscall_64+0x9f/0x140 [ 1136.653822][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.659750][T25685] [ 1136.662075][T25685] Uninit was stored to memory at: [ 1136.667311][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1136.673184][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.678147][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.682749][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.687742][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.692599][T25685] do_syscall_64+0x9f/0x140 [ 1136.697136][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.703049][T25685] [ 1136.705366][T25685] Uninit was stored to memory at: [ 1136.710369][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1136.716113][T25685] __msan_chain_origin+0x54/0xa0 [ 1136.721106][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1136.725704][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1136.730673][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1136.735541][T25685] do_syscall_64+0x9f/0x140 [ 1136.740077][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1136.745976][T25685] [ 1136.748317][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1136.754972][T25685] do_recvmmsg+0xbf/0x22d0 [ 1136.759511][T25685] do_recvmmsg+0xbf/0x22d0 [ 1136.930840][T25661] not chained 1340000 origins [ 1136.935561][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1136.946767][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1136.956856][T25661] Call Trace: [ 1136.960181][T25661] dump_stack+0x24c/0x2e0 [ 1136.964517][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1136.970444][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1136.975667][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1136.981583][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1136.987223][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1136.992425][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1136.998326][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1137.004848][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1137.010101][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1137.018092][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1137.024369][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1137.029718][T25661] ? _copy_from_user+0x1fd/0x300 [ 1137.034661][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1137.039878][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.044821][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.049434][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1137.055088][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1137.060388][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1137.065586][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1137.070617][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.075584][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.080430][T25661] do_syscall_64+0x9f/0x140 [ 1137.085022][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.090912][T25661] RIP: 0033:0x4665d9 [ 1137.094904][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1137.114513][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1137.122936][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1137.130929][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1137.138918][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1137.146899][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1137.154877][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1137.162860][T25661] Uninit was stored to memory at: [ 1137.167874][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1137.173811][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.178946][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.183569][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.188525][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.193379][T25661] do_syscall_64+0x9f/0x140 [ 1137.197899][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.203818][T25661] [ 1137.206141][T25661] Uninit was stored to memory at: [ 1137.211143][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1137.216877][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.221809][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.226396][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.231332][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.236181][T25661] do_syscall_64+0x9f/0x140 [ 1137.240685][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.246593][T25661] [ 1137.248908][T25661] Uninit was stored to memory at: [ 1137.253922][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1137.259772][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.264713][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.269302][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.274261][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.279111][T25661] do_syscall_64+0x9f/0x140 [ 1137.283616][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.289512][T25661] [ 1137.291876][T25661] Uninit was stored to memory at: [ 1137.297068][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1137.302792][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.307746][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.312340][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.317295][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.322319][T25661] do_syscall_64+0x9f/0x140 [ 1137.326877][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.332774][T25661] [ 1137.335203][T25661] Uninit was stored to memory at: [ 1137.340229][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1137.345955][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.350905][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.355560][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.360504][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.365356][T25661] do_syscall_64+0x9f/0x140 [ 1137.369890][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.375799][T25661] [ 1137.378222][T25661] Uninit was stored to memory at: [ 1137.383232][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1137.389172][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.394130][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.398724][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.403667][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.408604][T25661] do_syscall_64+0x9f/0x140 [ 1137.413141][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.419055][T25661] [ 1137.421381][T25661] Uninit was stored to memory at: [ 1137.426399][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1137.432242][T25661] __msan_chain_origin+0x54/0xa0 [ 1137.437197][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1137.441788][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1137.446727][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1137.451603][T25661] do_syscall_64+0x9f/0x140 [ 1137.456110][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.462007][T25661] [ 1137.464361][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1137.471039][T25661] do_recvmmsg+0xbf/0x22d0 [ 1137.475488][T25661] do_recvmmsg+0xbf/0x22d0 [ 1137.633739][T25685] not chained 1350000 origins [ 1137.638462][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1137.647507][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1137.657708][T25685] Call Trace: [ 1137.660991][T25685] dump_stack+0x24c/0x2e0 [ 1137.665334][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1137.671075][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1137.676368][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1137.682284][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1137.687935][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1137.693146][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1137.698966][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1137.705103][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1137.710341][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1137.716084][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1137.722178][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1137.727474][T25685] ? _copy_from_user+0x1fd/0x300 [ 1137.732435][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1137.737637][T25685] __msan_chain_origin+0x54/0xa0 [ 1137.742595][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1137.747211][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1137.752977][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1137.758313][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1137.763527][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1137.769081][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1137.774025][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1137.778870][T25685] do_syscall_64+0x9f/0x140 [ 1137.783444][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.789427][T25685] RIP: 0033:0x4665d9 [ 1137.793336][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1137.813323][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1137.821790][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1137.829788][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1137.838152][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1137.846149][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1137.854347][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1137.862346][T25685] Uninit was stored to memory at: [ 1137.867364][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1137.873097][T25685] __msan_chain_origin+0x54/0xa0 [ 1137.878062][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1137.882833][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1137.887875][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1137.892750][T25685] do_syscall_64+0x9f/0x140 [ 1137.897265][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.903245][T25685] [ 1137.905608][T25685] Uninit was stored to memory at: [ 1137.910636][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1137.916360][T25685] __msan_chain_origin+0x54/0xa0 [ 1137.921334][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1137.925942][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1137.931078][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1137.936048][T25685] do_syscall_64+0x9f/0x140 [ 1137.940556][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.946643][T25685] [ 1137.948988][T25685] Uninit was stored to memory at: [ 1137.954139][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1137.960051][T25685] __msan_chain_origin+0x54/0xa0 [ 1137.965003][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1137.969593][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1137.974546][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1137.979413][T25685] do_syscall_64+0x9f/0x140 [ 1137.983935][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1137.990257][T25685] [ 1137.992584][T25685] Uninit was stored to memory at: [ 1137.997617][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1138.003375][T25685] __msan_chain_origin+0x54/0xa0 [ 1138.008337][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1138.012942][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1138.018009][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1138.022901][T25685] do_syscall_64+0x9f/0x140 [ 1138.027495][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.033914][T25685] [ 1138.036227][T25685] Uninit was stored to memory at: [ 1138.041316][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1138.047038][T25685] __msan_chain_origin+0x54/0xa0 [ 1138.051998][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1138.056674][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1138.061607][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1138.066461][T25685] do_syscall_64+0x9f/0x140 [ 1138.071004][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.076889][T25685] [ 1138.079197][T25685] Uninit was stored to memory at: [ 1138.084194][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1138.090358][T25685] __msan_chain_origin+0x54/0xa0 [ 1138.095381][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1138.100160][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1138.105096][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1138.109938][T25685] do_syscall_64+0x9f/0x140 [ 1138.114453][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.120367][T25685] [ 1138.122701][T25685] Uninit was stored to memory at: [ 1138.127704][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1138.133532][T25685] __msan_chain_origin+0x54/0xa0 [ 1138.138499][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1138.143144][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1138.148089][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1138.152944][T25685] do_syscall_64+0x9f/0x140 [ 1138.157449][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.163347][T25685] [ 1138.165776][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1138.172439][T25685] do_recvmmsg+0xbf/0x22d0 [ 1138.177002][T25685] do_recvmmsg+0xbf/0x22d0 [ 1138.362779][T25661] not chained 1360000 origins [ 1138.367615][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1138.376374][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1138.386643][T25661] Call Trace: [ 1138.389924][T25661] dump_stack+0x24c/0x2e0 [ 1138.394267][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1138.399988][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1138.405208][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1138.411112][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1138.416770][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1138.422101][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1138.427935][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1138.434022][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1138.439571][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1138.445326][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1138.451416][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1138.456765][T25661] ? _copy_from_user+0x1fd/0x300 [ 1138.461731][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1138.466971][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.471910][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.476507][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1138.482424][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1138.487720][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1138.492933][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1138.498177][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.503133][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.507986][T25661] do_syscall_64+0x9f/0x140 [ 1138.512490][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.519183][T25661] RIP: 0033:0x4665d9 [ 1138.523341][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1138.542974][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1138.551394][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1138.559399][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1138.567426][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1138.575435][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1138.583449][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1138.591539][T25661] Uninit was stored to memory at: [ 1138.597275][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1138.603085][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.608172][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.613005][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.617963][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.622968][T25661] do_syscall_64+0x9f/0x140 [ 1138.627484][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.633389][T25661] [ 1138.635719][T25661] Uninit was stored to memory at: [ 1138.640730][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1138.646464][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.651516][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.656147][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.661092][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.666545][T25661] do_syscall_64+0x9f/0x140 [ 1138.671058][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.676974][T25661] [ 1138.679299][T25661] Uninit was stored to memory at: [ 1138.684328][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1138.690097][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.695064][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.699662][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.704624][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.709840][T25661] do_syscall_64+0x9f/0x140 [ 1138.714372][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.720280][T25661] [ 1138.722784][T25661] Uninit was stored to memory at: [ 1138.727932][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1138.733677][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.738615][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.743405][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.748344][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.753208][T25661] do_syscall_64+0x9f/0x140 [ 1138.757737][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.763626][T25661] [ 1138.765968][T25661] Uninit was stored to memory at: [ 1138.770995][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1138.776711][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.781658][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.786241][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.791190][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.796053][T25661] do_syscall_64+0x9f/0x140 [ 1138.800569][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.806465][T25661] [ 1138.808780][T25661] Uninit was stored to memory at: [ 1138.813799][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1138.819536][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.824469][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.829127][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.834086][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.838946][T25661] do_syscall_64+0x9f/0x140 [ 1138.843461][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.849439][T25661] [ 1138.851786][T25661] Uninit was stored to memory at: [ 1138.856809][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1138.862524][T25661] __msan_chain_origin+0x54/0xa0 [ 1138.867465][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1138.872107][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1138.877052][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1138.881908][T25661] do_syscall_64+0x9f/0x140 [ 1138.886414][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1138.892318][T25661] [ 1138.894651][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1138.901322][T25661] do_recvmmsg+0xbf/0x22d0 [ 1138.905825][T25661] do_recvmmsg+0xbf/0x22d0 [ 1139.059023][T25685] not chained 1370000 origins [ 1139.063975][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1139.072746][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.082829][T25685] Call Trace: [ 1139.086111][T25685] dump_stack+0x24c/0x2e0 [ 1139.090465][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1139.096210][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1139.101441][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1139.107342][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1139.112998][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1139.118494][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1139.124313][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1139.130409][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1139.135635][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1139.141264][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1139.147345][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1139.152633][T25685] ? _copy_from_user+0x1fd/0x300 [ 1139.157759][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1139.163070][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.168027][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.172735][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1139.178400][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1139.183719][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1139.189981][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1139.195031][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.200155][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.205035][T25685] do_syscall_64+0x9f/0x140 [ 1139.209549][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.215451][T25685] RIP: 0033:0x4665d9 [ 1139.219363][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1139.239255][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1139.247988][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1139.255978][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1139.263952][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1139.272273][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1139.280338][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1139.288314][T25685] Uninit was stored to memory at: [ 1139.293329][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1139.299169][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.304105][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.308735][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.313772][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.318641][T25685] do_syscall_64+0x9f/0x140 [ 1139.323285][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.329230][T25685] [ 1139.331564][T25685] Uninit was stored to memory at: [ 1139.336568][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1139.342407][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.347493][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.352099][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.357036][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.361916][T25685] do_syscall_64+0x9f/0x140 [ 1139.366415][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.372341][T25685] [ 1139.374672][T25685] Uninit was stored to memory at: [ 1139.380028][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1139.386038][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.390974][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.395584][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.400524][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.405373][T25685] do_syscall_64+0x9f/0x140 [ 1139.409926][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.415839][T25685] [ 1139.418152][T25685] Uninit was stored to memory at: [ 1139.423590][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1139.429312][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.434251][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.438871][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.443839][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.448724][T25685] do_syscall_64+0x9f/0x140 [ 1139.453238][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.459299][T25685] [ 1139.461991][T25685] Uninit was stored to memory at: [ 1139.469173][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1139.474900][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.479880][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.484606][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.489584][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.494470][T25685] do_syscall_64+0x9f/0x140 [ 1139.498991][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.505109][T25685] [ 1139.507438][T25685] Uninit was stored to memory at: [ 1139.513336][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1139.519093][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.524144][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.528742][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.533698][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.538932][T25685] do_syscall_64+0x9f/0x140 [ 1139.543458][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.549359][T25685] [ 1139.551668][T25685] Uninit was stored to memory at: [ 1139.556672][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1139.562399][T25685] __msan_chain_origin+0x54/0xa0 [ 1139.567457][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1139.572048][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1139.576998][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1139.581869][T25685] do_syscall_64+0x9f/0x140 [ 1139.586379][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.592332][T25685] [ 1139.595100][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1139.601967][T25685] do_recvmmsg+0xbf/0x22d0 [ 1139.606444][T25685] do_recvmmsg+0xbf/0x22d0 [ 1139.792423][T25661] not chained 1380000 origins [ 1139.797128][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1139.805902][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.815994][T25661] Call Trace: [ 1139.819284][T25661] dump_stack+0x24c/0x2e0 [ 1139.823644][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1139.829369][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1139.834573][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1139.840488][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1139.846198][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1139.851408][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1139.857373][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1139.863468][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1139.868691][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1139.874378][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1139.880474][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1139.885775][T25661] ? _copy_from_user+0x1fd/0x300 [ 1139.890885][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1139.896139][T25661] __msan_chain_origin+0x54/0xa0 [ 1139.901084][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1139.905886][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1139.911529][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1139.916823][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1139.922022][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1139.927077][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1139.933001][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1139.937878][T25661] do_syscall_64+0x9f/0x140 [ 1139.942395][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1139.948307][T25661] RIP: 0033:0x4665d9 [ 1139.952286][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1139.972125][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1139.980649][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1139.988633][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1139.996611][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1140.004586][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1140.012562][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1140.020571][T25661] Uninit was stored to memory at: [ 1140.025590][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1140.031325][T25661] __msan_chain_origin+0x54/0xa0 [ 1140.036278][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1140.041161][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1140.046102][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1140.050970][T25661] do_syscall_64+0x9f/0x140 [ 1140.055493][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.061393][T25661] [ 1140.063721][T25661] Uninit was stored to memory at: [ 1140.068763][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1140.074574][T25661] __msan_chain_origin+0x54/0xa0 [ 1140.079526][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1140.084129][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1140.089071][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1140.093926][T25661] do_syscall_64+0x9f/0x140 [ 1140.098437][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.105237][T25661] [ 1140.107581][T25661] Uninit was stored to memory at: [ 1140.112614][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1140.118347][T25661] __msan_chain_origin+0x54/0xa0 [ 1140.123311][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1140.127934][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1140.132876][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1140.137745][T25661] do_syscall_64+0x9f/0x140 [ 1140.142261][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.148173][T25661] [ 1140.150509][T25661] Uninit was stored to memory at: [ 1140.155538][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1140.161265][T25661] __msan_chain_origin+0x54/0xa0 [ 1140.166244][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1140.170853][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1140.175795][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1140.180912][T25661] do_syscall_64+0x9f/0x140 [ 1140.185424][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.191339][T25661] [ 1140.193664][T25661] Uninit was stored to memory at: [ 1140.198680][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1140.204486][T25661] __msan_chain_origin+0x54/0xa0 [ 1140.209561][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1140.214169][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1140.219117][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1140.224460][T25661] do_syscall_64+0x9f/0x140 [ 1140.228972][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.234877][T25661] [ 1140.237389][T25661] Uninit was stored to memory at: [ 1140.242402][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1140.248198][T25661] __msan_chain_origin+0x54/0xa0 [ 1140.253145][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1140.257738][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1140.262694][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1140.267546][T25661] do_syscall_64+0x9f/0x140 [ 1140.272075][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.278104][T25661] [ 1140.280423][T25661] Uninit was stored to memory at: [ 1140.285612][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1140.291336][T25661] __msan_chain_origin+0x54/0xa0 [ 1140.296541][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1140.301154][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1140.306203][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1140.311086][T25661] do_syscall_64+0x9f/0x140 [ 1140.315599][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.321497][T25661] [ 1140.323835][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1140.330506][T25661] do_recvmmsg+0xbf/0x22d0 [ 1140.334938][T25661] do_recvmmsg+0xbf/0x22d0 [ 1140.489822][T25685] not chained 1390000 origins [ 1140.494648][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1140.503413][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1140.513468][T25685] Call Trace: [ 1140.516756][T25685] dump_stack+0x24c/0x2e0 [ 1140.521090][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1140.526809][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1140.532358][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1140.538391][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1140.544058][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1140.549289][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1140.555129][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1140.561202][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1140.566422][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1140.572065][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1140.578144][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1140.583444][T25685] ? _copy_from_user+0x1fd/0x300 [ 1140.588425][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1140.593647][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.598607][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.603329][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1140.609197][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1140.614525][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1140.619774][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1140.624823][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1140.629960][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1140.634820][T25685] do_syscall_64+0x9f/0x140 [ 1140.639503][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.645486][T25685] RIP: 0033:0x4665d9 [ 1140.649388][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1140.669781][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1140.678216][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1140.686204][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1140.694390][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1140.702369][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1140.710351][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1140.718367][T25685] Uninit was stored to memory at: [ 1140.723473][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1140.729481][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.734543][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.739141][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1140.744086][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1140.748944][T25685] do_syscall_64+0x9f/0x140 [ 1140.753485][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.759478][T25685] [ 1140.761807][T25685] Uninit was stored to memory at: [ 1140.766814][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1140.772550][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.777600][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.782196][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1140.787129][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1140.791990][T25685] do_syscall_64+0x9f/0x140 [ 1140.796492][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.802384][T25685] [ 1140.804699][T25685] Uninit was stored to memory at: [ 1140.809702][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1140.815424][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.820367][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.824952][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1140.829891][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1140.834763][T25685] do_syscall_64+0x9f/0x140 [ 1140.839269][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.845173][T25685] [ 1140.847487][T25685] Uninit was stored to memory at: [ 1140.852489][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1140.858237][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.863186][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.867781][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1140.872740][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1140.877587][T25685] do_syscall_64+0x9f/0x140 [ 1140.882091][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.887981][T25685] [ 1140.890294][T25685] Uninit was stored to memory at: [ 1140.895304][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1140.901053][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.906605][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.911213][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1140.916158][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1140.921044][T25685] do_syscall_64+0x9f/0x140 [ 1140.925581][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.931944][T25685] [ 1140.934264][T25685] Uninit was stored to memory at: [ 1140.939301][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1140.945826][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.950780][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.955415][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1140.960411][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1140.965267][T25685] do_syscall_64+0x9f/0x140 [ 1140.969794][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1140.975695][T25685] [ 1140.978012][T25685] Uninit was stored to memory at: [ 1140.983133][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1140.988913][T25685] __msan_chain_origin+0x54/0xa0 [ 1140.994071][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1140.998677][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1141.003676][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1141.008534][T25685] do_syscall_64+0x9f/0x140 [ 1141.013044][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.018944][T25685] [ 1141.021259][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1141.027931][T25685] do_recvmmsg+0xbf/0x22d0 [ 1141.032364][T25685] do_recvmmsg+0xbf/0x22d0 [ 1141.207868][T25661] not chained 1400000 origins [ 1141.212702][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1141.221492][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1141.231596][T25661] Call Trace: [ 1141.235107][T25661] dump_stack+0x24c/0x2e0 [ 1141.239719][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1141.245465][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1141.250687][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1141.256587][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1141.262228][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1141.267442][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1141.273423][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1141.279518][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1141.284733][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1141.290384][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1141.296772][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1141.302183][T25661] ? _copy_from_user+0x1fd/0x300 [ 1141.307124][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1141.312347][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.317301][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.321951][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1141.327614][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1141.332916][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1141.338119][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1141.343146][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.348094][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.352958][T25661] do_syscall_64+0x9f/0x140 [ 1141.357582][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.363498][T25661] RIP: 0033:0x4665d9 [ 1141.367420][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1141.387032][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1141.395453][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1141.403435][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1141.411695][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1141.419789][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1141.427771][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1141.435911][T25661] Uninit was stored to memory at: [ 1141.440947][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1141.446693][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.451663][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.456366][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.461316][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.466175][T25661] do_syscall_64+0x9f/0x140 [ 1141.470706][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.476603][T25661] [ 1141.478933][T25661] Uninit was stored to memory at: [ 1141.484165][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1141.489909][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.494859][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.499460][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.504429][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.509402][T25661] do_syscall_64+0x9f/0x140 [ 1141.513915][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.520130][T25661] [ 1141.522453][T25661] Uninit was stored to memory at: [ 1141.527594][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1141.534876][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.539849][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.544474][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.549525][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.554379][T25661] do_syscall_64+0x9f/0x140 [ 1141.558978][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.564875][T25661] [ 1141.567205][T25661] Uninit was stored to memory at: [ 1141.572390][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1141.578162][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.583291][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.588026][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.592994][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.597881][T25661] do_syscall_64+0x9f/0x140 [ 1141.602576][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.608484][T25661] [ 1141.610822][T25661] Uninit was stored to memory at: [ 1141.615959][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1141.621779][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.626811][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.631536][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.636520][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.641456][T25661] do_syscall_64+0x9f/0x140 [ 1141.646159][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.652059][T25661] [ 1141.654380][T25661] Uninit was stored to memory at: [ 1141.659399][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1141.665127][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.670085][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.675148][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.680098][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.684959][T25661] do_syscall_64+0x9f/0x140 [ 1141.689484][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.695400][T25661] [ 1141.697724][T25661] Uninit was stored to memory at: [ 1141.702746][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1141.708574][T25661] __msan_chain_origin+0x54/0xa0 [ 1141.713534][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1141.718133][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1141.723073][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1141.727929][T25661] do_syscall_64+0x9f/0x140 [ 1141.732441][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1141.738517][T25661] [ 1141.740881][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1141.747560][T25661] do_recvmmsg+0xbf/0x22d0 [ 1141.752072][T25661] do_recvmmsg+0xbf/0x22d0 [ 1141.912400][T25685] not chained 1410000 origins [ 1141.917405][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1141.926278][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1141.936357][T25685] Call Trace: [ 1141.939682][T25685] dump_stack+0x24c/0x2e0 [ 1141.944067][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1141.949826][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1141.955069][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1141.961004][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1141.966654][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1141.971945][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1141.977865][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1141.983954][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1141.989238][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1141.995072][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1142.001142][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1142.006443][T25685] ? _copy_from_user+0x1fd/0x300 [ 1142.011465][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1142.016678][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.021624][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.026746][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1142.032397][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1142.037700][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1142.042918][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1142.048355][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.053391][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.058373][T25685] do_syscall_64+0x9f/0x140 [ 1142.063134][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.069042][T25685] RIP: 0033:0x4665d9 [ 1142.072963][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1142.093081][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1142.101589][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1142.109681][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1142.117720][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1142.125775][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1142.134008][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1142.142193][T25685] Uninit was stored to memory at: [ 1142.147252][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1142.152981][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.157933][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.162629][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.167912][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.172788][T25685] do_syscall_64+0x9f/0x140 [ 1142.177297][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.183196][T25685] [ 1142.185520][T25685] Uninit was stored to memory at: [ 1142.190558][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1142.196703][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.201670][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.206274][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.211223][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.216088][T25685] do_syscall_64+0x9f/0x140 [ 1142.220601][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.226503][T25685] [ 1142.228925][T25685] Uninit was stored to memory at: [ 1142.233959][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1142.241250][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.246231][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.250940][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.255897][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.260752][T25685] do_syscall_64+0x9f/0x140 [ 1142.265260][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.271312][T25685] [ 1142.273897][T25685] Uninit was stored to memory at: [ 1142.278962][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1142.284745][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.291080][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.295713][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.300681][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.305541][T25685] do_syscall_64+0x9f/0x140 [ 1142.310065][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.315977][T25685] [ 1142.318297][T25685] Uninit was stored to memory at: [ 1142.323305][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1142.329411][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.334375][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.338971][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.343928][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.348815][T25685] do_syscall_64+0x9f/0x140 [ 1142.353539][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.360483][T25685] [ 1142.362801][T25685] Uninit was stored to memory at: [ 1142.367824][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1142.373750][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.378698][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.383418][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.388539][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.393543][T25685] do_syscall_64+0x9f/0x140 [ 1142.398180][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.404174][T25685] [ 1142.406492][T25685] Uninit was stored to memory at: [ 1142.411598][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1142.417350][T25685] __msan_chain_origin+0x54/0xa0 [ 1142.422282][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1142.426902][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1142.431838][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1142.436704][T25685] do_syscall_64+0x9f/0x140 [ 1142.441223][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.447115][T25685] [ 1142.449456][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1142.456285][T25685] do_recvmmsg+0xbf/0x22d0 [ 1142.460739][T25685] do_recvmmsg+0xbf/0x22d0 [ 1142.648173][T25661] not chained 1420000 origins [ 1142.653030][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1142.662394][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1142.672454][T25661] Call Trace: [ 1142.675742][T25661] dump_stack+0x24c/0x2e0 [ 1142.680077][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1142.685804][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1142.691012][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1142.696909][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1142.702549][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1142.707944][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1142.714276][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1142.720445][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1142.725668][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1142.731310][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1142.737400][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1142.742688][T25661] ? _copy_from_user+0x1fd/0x300 [ 1142.747632][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1142.752873][T25661] __msan_chain_origin+0x54/0xa0 [ 1142.757824][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1142.762572][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1142.768207][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1142.773606][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1142.778910][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1142.783947][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1142.788890][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1142.793785][T25661] do_syscall_64+0x9f/0x140 [ 1142.798300][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.804216][T25661] RIP: 0033:0x4665d9 [ 1142.808126][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1142.827994][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1142.836430][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1142.844435][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1142.852412][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1142.860389][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1142.868414][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1142.876496][T25661] Uninit was stored to memory at: [ 1142.881534][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1142.887271][T25661] __msan_chain_origin+0x54/0xa0 [ 1142.892310][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1142.896895][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1142.901840][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1142.906703][T25661] do_syscall_64+0x9f/0x140 [ 1142.911245][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.917325][T25661] [ 1142.919635][T25661] Uninit was stored to memory at: [ 1142.924638][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1142.930361][T25661] __msan_chain_origin+0x54/0xa0 [ 1142.935305][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1142.939900][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1142.944863][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1142.949717][T25661] do_syscall_64+0x9f/0x140 [ 1142.954257][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1142.960194][T25661] [ 1142.962533][T25661] Uninit was stored to memory at: [ 1142.968688][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1142.975284][T25661] __msan_chain_origin+0x54/0xa0 [ 1142.980249][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1142.985081][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1142.990046][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1142.994931][T25661] do_syscall_64+0x9f/0x140 [ 1142.999452][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.005371][T25661] [ 1143.007693][T25661] Uninit was stored to memory at: [ 1143.012947][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1143.018702][T25661] __msan_chain_origin+0x54/0xa0 [ 1143.023731][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1143.028325][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1143.033271][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1143.038159][T25661] do_syscall_64+0x9f/0x140 [ 1143.042667][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.048725][T25661] [ 1143.051054][T25661] Uninit was stored to memory at: [ 1143.056075][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1143.061845][T25661] __msan_chain_origin+0x54/0xa0 [ 1143.066858][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1143.071473][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1143.076412][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1143.081293][T25661] do_syscall_64+0x9f/0x140 [ 1143.085887][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.091899][T25661] [ 1143.094229][T25661] Uninit was stored to memory at: [ 1143.099250][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1143.105019][T25661] __msan_chain_origin+0x54/0xa0 [ 1143.109950][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1143.114552][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1143.119586][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1143.124454][T25661] do_syscall_64+0x9f/0x140 [ 1143.129101][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.134996][T25661] [ 1143.137318][T25661] Uninit was stored to memory at: [ 1143.142366][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1143.148097][T25661] __msan_chain_origin+0x54/0xa0 [ 1143.153121][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1143.157711][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1143.162646][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1143.167499][T25661] do_syscall_64+0x9f/0x140 [ 1143.172046][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.177950][T25661] [ 1143.180420][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1143.187133][T25661] do_recvmmsg+0xbf/0x22d0 [ 1143.191903][T25661] do_recvmmsg+0xbf/0x22d0 [ 1143.347881][T25685] not chained 1430000 origins [ 1143.352589][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1143.361439][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1143.371560][T25685] Call Trace: [ 1143.374846][T25685] dump_stack+0x24c/0x2e0 [ 1143.379201][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1143.384934][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1143.390159][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1143.396081][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1143.401728][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1143.406933][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1143.412777][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1143.418853][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1143.424082][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1143.430703][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1143.436780][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1143.442070][T25685] ? _copy_from_user+0x1fd/0x300 [ 1143.447994][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1143.453213][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.458397][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.463007][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1143.468642][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1143.474828][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1143.480086][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1143.485152][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.490104][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.494963][T25685] do_syscall_64+0x9f/0x140 [ 1143.499483][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.505417][T25685] RIP: 0033:0x4665d9 [ 1143.509315][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1143.528936][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1143.537355][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1143.546893][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1143.554868][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1143.562861][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1143.570865][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1143.578847][T25685] Uninit was stored to memory at: [ 1143.583876][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1143.589610][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.594569][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.599175][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.604214][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.609091][T25685] do_syscall_64+0x9f/0x140 [ 1143.613713][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.619622][T25685] [ 1143.621995][T25685] Uninit was stored to memory at: [ 1143.627020][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1143.632868][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.637811][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.642601][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.647547][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.652419][T25685] do_syscall_64+0x9f/0x140 [ 1143.656963][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.662862][T25685] [ 1143.665177][T25685] Uninit was stored to memory at: [ 1143.670188][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1143.675913][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.680938][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.685539][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.690480][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.695335][T25685] do_syscall_64+0x9f/0x140 [ 1143.699864][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.705758][T25685] [ 1143.708159][T25685] Uninit was stored to memory at: [ 1143.713163][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1143.718902][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.723849][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.728470][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.733514][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.738373][T25685] do_syscall_64+0x9f/0x140 [ 1143.742894][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.748823][T25685] [ 1143.751144][T25685] Uninit was stored to memory at: [ 1143.756157][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1143.761885][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.766844][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.771562][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.776523][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.781689][T25685] do_syscall_64+0x9f/0x140 [ 1143.786227][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.792133][T25685] [ 1143.794455][T25685] Uninit was stored to memory at: [ 1143.799487][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1143.805218][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.810387][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.815074][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.820253][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.825113][T25685] do_syscall_64+0x9f/0x140 [ 1143.829884][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.835782][T25685] [ 1143.838102][T25685] Uninit was stored to memory at: [ 1143.843513][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1143.849304][T25685] __msan_chain_origin+0x54/0xa0 [ 1143.854318][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1143.858934][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1143.864004][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1143.868960][T25685] do_syscall_64+0x9f/0x140 [ 1143.874172][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1143.880629][T25685] [ 1143.882961][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1143.889730][T25685] do_recvmmsg+0xbf/0x22d0 [ 1143.894156][T25685] do_recvmmsg+0xbf/0x22d0 [ 1144.065477][T25661] not chained 1440000 origins [ 1144.070357][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1144.080081][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.090142][T25661] Call Trace: [ 1144.093543][T25661] dump_stack+0x24c/0x2e0 [ 1144.097876][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1144.103617][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1144.108829][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1144.114990][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1144.120642][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1144.125859][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1144.131699][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1144.137896][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1144.143121][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1144.148976][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1144.155080][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1144.160721][T25661] ? _copy_from_user+0x1fd/0x300 [ 1144.165664][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1144.170863][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.175811][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.180414][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1144.186068][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1144.191661][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1144.196910][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1144.201948][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.206926][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.211796][T25661] do_syscall_64+0x9f/0x140 [ 1144.216375][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.222276][T25661] RIP: 0033:0x4665d9 [ 1144.226176][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1144.246433][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1144.254916][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1144.262910][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1144.270885][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1144.278856][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1144.286823][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1144.294806][T25661] Uninit was stored to memory at: [ 1144.299838][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1144.305562][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.310501][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.315189][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.320410][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.325298][T25661] do_syscall_64+0x9f/0x140 [ 1144.330212][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.336114][T25661] [ 1144.338435][T25661] Uninit was stored to memory at: [ 1144.343439][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1144.349187][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.354123][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.358715][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.363653][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.368503][T25661] do_syscall_64+0x9f/0x140 [ 1144.373013][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.378901][T25661] [ 1144.381301][T25661] Uninit was stored to memory at: [ 1144.386325][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1144.392068][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.397120][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.401763][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.406706][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.411608][T25661] do_syscall_64+0x9f/0x140 [ 1144.416115][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.422032][T25661] [ 1144.424356][T25661] Uninit was stored to memory at: [ 1144.429378][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1144.435125][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.440117][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.444747][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.449703][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.454749][T25661] do_syscall_64+0x9f/0x140 [ 1144.459281][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.465199][T25661] [ 1144.467529][T25661] Uninit was stored to memory at: [ 1144.472550][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1144.478285][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.483232][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.488469][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.493417][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.498315][T25661] do_syscall_64+0x9f/0x140 [ 1144.502840][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.508890][T25661] [ 1144.511219][T25661] Uninit was stored to memory at: [ 1144.516222][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1144.522408][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.527366][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.531974][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.537608][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.542485][T25661] do_syscall_64+0x9f/0x140 [ 1144.546993][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.552890][T25661] [ 1144.555210][T25661] Uninit was stored to memory at: [ 1144.560229][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1144.565965][T25661] __msan_chain_origin+0x54/0xa0 [ 1144.570926][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1144.575537][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1144.581093][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1144.585943][T25661] do_syscall_64+0x9f/0x140 [ 1144.590455][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.596362][T25661] [ 1144.598695][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1144.605404][T25661] do_recvmmsg+0xbf/0x22d0 [ 1144.609848][T25661] do_recvmmsg+0xbf/0x22d0 [ 1144.766072][T25685] not chained 1450000 origins [ 1144.770927][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1144.780236][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.790489][T25685] Call Trace: [ 1144.793773][T25685] dump_stack+0x24c/0x2e0 [ 1144.798509][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1144.804320][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1144.809614][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1144.815512][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1144.821174][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1144.826407][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1144.832355][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1144.838494][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1144.843838][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1144.849491][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1144.855922][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1144.861228][T25685] ? _copy_from_user+0x1fd/0x300 [ 1144.866196][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1144.871411][T25685] __msan_chain_origin+0x54/0xa0 [ 1144.876374][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1144.881140][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1144.886905][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1144.892212][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1144.897416][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1144.902466][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1144.907422][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1144.912311][T25685] do_syscall_64+0x9f/0x140 [ 1144.916826][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1144.922739][T25685] RIP: 0033:0x4665d9 [ 1144.926649][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1144.946350][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1144.954863][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1144.962872][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1144.970850][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1144.981375][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1144.989438][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1144.998378][T25685] Uninit was stored to memory at: [ 1145.003407][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1145.009150][T25685] __msan_chain_origin+0x54/0xa0 [ 1145.014098][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1145.018701][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1145.023646][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1145.028532][T25685] do_syscall_64+0x9f/0x140 [ 1145.033041][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.039196][T25685] [ 1145.041535][T25685] Uninit was stored to memory at: [ 1145.046547][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1145.052290][T25685] __msan_chain_origin+0x54/0xa0 [ 1145.057420][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1145.062054][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1145.067016][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1145.071900][T25685] do_syscall_64+0x9f/0x140 [ 1145.076545][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.082461][T25685] [ 1145.084778][T25685] Uninit was stored to memory at: [ 1145.089786][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1145.095508][T25685] __msan_chain_origin+0x54/0xa0 [ 1145.100462][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1145.105072][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1145.110011][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1145.114862][T25685] do_syscall_64+0x9f/0x140 [ 1145.119368][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.125280][T25685] [ 1145.127615][T25685] Uninit was stored to memory at: [ 1145.132623][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1145.138370][T25685] __msan_chain_origin+0x54/0xa0 [ 1145.143366][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1145.147962][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1145.152915][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1145.158818][T25685] do_syscall_64+0x9f/0x140 [ 1145.163492][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.169553][T25685] [ 1145.171879][T25685] Uninit was stored to memory at: [ 1145.176893][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1145.182848][T25685] __msan_chain_origin+0x54/0xa0 [ 1145.187899][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1145.193103][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1145.198129][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1145.203085][T25685] do_syscall_64+0x9f/0x140 [ 1145.207602][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.213591][T25685] [ 1145.215917][T25685] Uninit was stored to memory at: [ 1145.220950][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1145.226703][T25685] __msan_chain_origin+0x54/0xa0 [ 1145.231675][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1145.236434][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1145.241530][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1145.246398][T25685] do_syscall_64+0x9f/0x140 [ 1145.250934][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.256837][T25685] [ 1145.259160][T25685] Uninit was stored to memory at: [ 1145.264268][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1145.270019][T25685] __msan_chain_origin+0x54/0xa0 [ 1145.275152][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1145.279743][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1145.284683][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1145.289541][T25685] do_syscall_64+0x9f/0x140 [ 1145.294060][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.299982][T25685] [ 1145.302298][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1145.308974][T25685] do_recvmmsg+0xbf/0x22d0 [ 1145.313421][T25685] do_recvmmsg+0xbf/0x22d0 [ 1145.486034][T25661] not chained 1460000 origins [ 1145.490746][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1145.499518][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1145.509868][T25661] Call Trace: [ 1145.513153][T25661] dump_stack+0x24c/0x2e0 [ 1145.517502][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1145.523228][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1145.528472][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1145.534367][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1145.540022][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1145.545318][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1145.551323][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1145.557415][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1145.562615][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1145.568257][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1145.574332][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1145.579633][T25661] ? _copy_from_user+0x1fd/0x300 [ 1145.584668][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1145.589981][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.594925][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.599528][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1145.605190][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1145.610527][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1145.616125][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1145.621333][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1145.626509][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1145.631586][T25661] do_syscall_64+0x9f/0x140 [ 1145.636256][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.642292][T25661] RIP: 0033:0x4665d9 [ 1145.646243][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1145.666579][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1145.675206][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1145.683974][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1145.692054][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1145.700032][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1145.708030][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1145.716024][T25661] Uninit was stored to memory at: [ 1145.721138][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1145.726877][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.732024][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.736640][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1145.741590][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1145.746456][T25661] do_syscall_64+0x9f/0x140 [ 1145.751027][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.756931][T25661] [ 1145.759272][T25661] Uninit was stored to memory at: [ 1145.764275][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1145.770007][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.774942][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.779556][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1145.784536][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1145.789404][T25661] do_syscall_64+0x9f/0x140 [ 1145.793937][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.799926][T25661] [ 1145.802440][T25661] Uninit was stored to memory at: [ 1145.807513][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1145.813525][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.818486][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.823085][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1145.828089][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1145.832945][T25661] do_syscall_64+0x9f/0x140 [ 1145.837557][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.843511][T25661] [ 1145.845831][T25661] Uninit was stored to memory at: [ 1145.850837][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1145.856631][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.861585][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.866180][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1145.871129][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1145.876001][T25661] do_syscall_64+0x9f/0x140 [ 1145.880509][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.886411][T25661] [ 1145.888769][T25661] Uninit was stored to memory at: [ 1145.893775][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1145.899554][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.904497][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.909095][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1145.914039][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1145.918912][T25661] do_syscall_64+0x9f/0x140 [ 1145.923435][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.929350][T25661] [ 1145.931706][T25661] Uninit was stored to memory at: [ 1145.936734][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1145.942460][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.947562][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.952189][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1145.957145][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1145.961998][T25661] do_syscall_64+0x9f/0x140 [ 1145.966522][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1145.972414][T25661] [ 1145.974727][T25661] Uninit was stored to memory at: [ 1145.979732][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1145.985551][T25661] __msan_chain_origin+0x54/0xa0 [ 1145.991451][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1145.996064][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1146.001007][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1146.005965][T25661] do_syscall_64+0x9f/0x140 [ 1146.010511][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.016488][T25661] [ 1146.018800][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1146.025480][T25661] do_recvmmsg+0xbf/0x22d0 [ 1146.029895][T25661] do_recvmmsg+0xbf/0x22d0 [ 1146.204594][T25685] not chained 1470000 origins [ 1146.209295][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1146.218058][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.228122][T25685] Call Trace: [ 1146.231665][T25685] dump_stack+0x24c/0x2e0 [ 1146.236050][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1146.241789][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1146.247010][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1146.252926][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1146.258562][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1146.263763][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1146.269584][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1146.275655][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1146.280846][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1146.286583][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1146.292657][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1146.297940][T25685] ? _copy_from_user+0x1fd/0x300 [ 1146.302872][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1146.308094][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.313060][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.317859][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1146.324033][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1146.329330][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1146.334565][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1146.339615][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.344577][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.349532][T25685] do_syscall_64+0x9f/0x140 [ 1146.354043][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.359951][T25685] RIP: 0033:0x4665d9 [ 1146.363842][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1146.383534][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1146.391965][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1146.399950][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1146.408006][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1146.415988][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1146.423958][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1146.431948][T25685] Uninit was stored to memory at: [ 1146.436980][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1146.442718][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.447669][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.452442][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.457377][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.462224][T25685] do_syscall_64+0x9f/0x140 [ 1146.467125][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.473146][T25685] [ 1146.475488][T25685] Uninit was stored to memory at: [ 1146.480495][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1146.486217][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.491156][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.495763][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.500697][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.505547][T25685] do_syscall_64+0x9f/0x140 [ 1146.510046][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.515935][T25685] [ 1146.518270][T25685] Uninit was stored to memory at: [ 1146.523278][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1146.529029][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.533964][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.538586][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.543529][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.548484][T25685] do_syscall_64+0x9f/0x140 [ 1146.552990][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.558902][T25685] [ 1146.561228][T25685] Uninit was stored to memory at: [ 1146.566240][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1146.571958][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.576902][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.581494][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.586440][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.591315][T25685] do_syscall_64+0x9f/0x140 [ 1146.595857][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.601755][T25685] [ 1146.604088][T25685] Uninit was stored to memory at: [ 1146.609098][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1146.615605][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.620556][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.625159][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.630117][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.634982][T25685] do_syscall_64+0x9f/0x140 [ 1146.639488][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.645388][T25685] [ 1146.647723][T25685] Uninit was stored to memory at: [ 1146.652733][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1146.658636][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.663579][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.668302][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.673262][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.678267][T25685] do_syscall_64+0x9f/0x140 [ 1146.682773][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.688677][T25685] [ 1146.691006][T25685] Uninit was stored to memory at: [ 1146.696012][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1146.701732][T25685] __msan_chain_origin+0x54/0xa0 [ 1146.706664][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1146.711254][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1146.716190][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1146.721069][T25685] do_syscall_64+0x9f/0x140 [ 1146.725603][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.731619][T25685] [ 1146.733938][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1146.740615][T25685] do_recvmmsg+0xbf/0x22d0 [ 1146.745035][T25685] do_recvmmsg+0xbf/0x22d0 [ 1146.916830][T25661] not chained 1480000 origins [ 1146.921539][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1146.930342][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.940400][T25661] Call Trace: [ 1146.943681][T25661] dump_stack+0x24c/0x2e0 [ 1146.948032][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1146.953807][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1146.959059][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1146.964978][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1146.971031][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1146.976372][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1146.982270][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1146.988346][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1146.993590][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1146.999241][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1147.005311][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1147.010690][T25661] ? _copy_from_user+0x1fd/0x300 [ 1147.015654][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1147.020857][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.025808][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.030419][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1147.036077][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1147.041391][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1147.046617][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1147.051648][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.056611][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.061655][T25661] do_syscall_64+0x9f/0x140 [ 1147.066162][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.072054][T25661] RIP: 0033:0x4665d9 [ 1147.075945][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1147.095565][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1147.103983][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1147.112042][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1147.120113][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1147.128096][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1147.136254][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1147.144342][T25661] Uninit was stored to memory at: [ 1147.149464][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1147.155339][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.160309][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.164906][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.170057][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.174935][T25661] do_syscall_64+0x9f/0x140 [ 1147.179474][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.185481][T25661] [ 1147.187817][T25661] Uninit was stored to memory at: [ 1147.192894][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1147.198757][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.203798][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.208773][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.213722][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.218767][T25661] do_syscall_64+0x9f/0x140 [ 1147.223283][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.229209][T25661] [ 1147.231549][T25661] Uninit was stored to memory at: [ 1147.236580][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1147.242301][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.247246][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.251834][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.256842][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.261811][T25661] do_syscall_64+0x9f/0x140 [ 1147.266326][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.272238][T25661] [ 1147.274566][T25661] Uninit was stored to memory at: [ 1147.279580][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1147.285386][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.290358][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.294984][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.299937][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.304793][T25661] do_syscall_64+0x9f/0x140 [ 1147.309309][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.315203][T25661] [ 1147.317519][T25661] Uninit was stored to memory at: [ 1147.322543][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1147.328284][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.333269][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.337904][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.342839][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.347707][T25661] do_syscall_64+0x9f/0x140 [ 1147.352212][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.358115][T25661] [ 1147.360430][T25661] Uninit was stored to memory at: [ 1147.365437][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1147.371200][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.376149][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.380735][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.385668][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.390515][T25661] do_syscall_64+0x9f/0x140 [ 1147.395019][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.401981][T25661] [ 1147.404297][T25661] Uninit was stored to memory at: [ 1147.409325][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1147.415063][T25661] __msan_chain_origin+0x54/0xa0 [ 1147.420003][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1147.424595][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1147.429531][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1147.434410][T25661] do_syscall_64+0x9f/0x140 [ 1147.438928][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.444824][T25661] [ 1147.447153][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1147.453813][T25661] do_recvmmsg+0xbf/0x22d0 [ 1147.458243][T25661] do_recvmmsg+0xbf/0x22d0 [ 1147.620633][T25685] not chained 1490000 origins [ 1147.625353][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1147.634235][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1147.644657][T25685] Call Trace: [ 1147.647944][T25685] dump_stack+0x24c/0x2e0 [ 1147.652285][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1147.658105][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1147.663320][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1147.669366][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1147.675015][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1147.680242][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1147.686043][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1147.692105][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1147.697302][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1147.702954][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1147.709048][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1147.714348][T25685] ? _copy_from_user+0x1fd/0x300 [ 1147.719329][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1147.724564][T25685] __msan_chain_origin+0x54/0xa0 [ 1147.729532][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1147.734219][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1147.741303][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1147.746807][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1147.752165][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1147.757203][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1147.762179][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1147.767052][T25685] do_syscall_64+0x9f/0x140 [ 1147.771580][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.777477][T25685] RIP: 0033:0x4665d9 [ 1147.781376][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1147.800991][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1147.809412][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1147.817404][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1147.825440][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1147.833442][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1147.841439][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1147.849525][T25685] Uninit was stored to memory at: [ 1147.854559][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1147.860296][T25685] __msan_chain_origin+0x54/0xa0 [ 1147.865325][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1147.869926][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1147.875470][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1147.880333][T25685] do_syscall_64+0x9f/0x140 [ 1147.884852][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.890756][T25685] [ 1147.893065][T25685] Uninit was stored to memory at: [ 1147.898063][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1147.903792][T25685] __msan_chain_origin+0x54/0xa0 [ 1147.909786][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1147.914377][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1147.919332][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1147.924273][T25685] do_syscall_64+0x9f/0x140 [ 1147.929569][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.936093][T25685] [ 1147.938416][T25685] Uninit was stored to memory at: [ 1147.943780][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1147.949511][T25685] __msan_chain_origin+0x54/0xa0 [ 1147.954524][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1147.959160][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1147.964100][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1147.968949][T25685] do_syscall_64+0x9f/0x140 [ 1147.973447][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.979362][T25685] [ 1147.981686][T25685] Uninit was stored to memory at: [ 1147.986711][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1147.992488][T25685] __msan_chain_origin+0x54/0xa0 [ 1147.997440][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.002083][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.007069][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.012111][T25685] do_syscall_64+0x9f/0x140 [ 1148.016633][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.022531][T25685] [ 1148.024850][T25685] Uninit was stored to memory at: [ 1148.029941][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.035672][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.040640][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.045253][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.050209][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.055071][T25685] do_syscall_64+0x9f/0x140 [ 1148.059712][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.065629][T25685] [ 1148.067951][T25685] Uninit was stored to memory at: [ 1148.072962][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.078700][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.083675][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.088330][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.093284][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.098171][T25685] do_syscall_64+0x9f/0x140 [ 1148.102682][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.108589][T25685] [ 1148.110920][T25685] Uninit was stored to memory at: [ 1148.115927][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.121681][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.126653][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.131337][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.136285][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.141163][T25685] do_syscall_64+0x9f/0x140 [ 1148.145692][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.151712][T25685] [ 1148.154050][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1148.160715][T25685] do_recvmmsg+0xbf/0x22d0 [ 1148.165144][T25685] do_recvmmsg+0xbf/0x22d0 [ 1148.369603][T25685] not chained 1500000 origins [ 1148.374433][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1148.383352][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1148.393559][T25685] Call Trace: [ 1148.396870][T25685] dump_stack+0x24c/0x2e0 [ 1148.401211][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1148.406943][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1148.412142][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1148.418048][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1148.423681][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1148.428886][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1148.434705][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1148.440766][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1148.445955][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1148.451597][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1148.457682][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1148.462972][T25685] ? _copy_from_user+0x1fd/0x300 [ 1148.467924][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1148.473125][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.478067][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.482686][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1148.488346][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1148.493664][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1148.498908][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1148.503939][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.508911][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.513786][T25685] do_syscall_64+0x9f/0x140 [ 1148.518301][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.524203][T25685] RIP: 0033:0x4665d9 [ 1148.528093][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1148.547697][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1148.556222][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1148.564211][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1148.572227][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1148.580256][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1148.588247][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1148.596237][T25685] Uninit was stored to memory at: [ 1148.601393][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.607193][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.612323][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.616949][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.621904][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.626765][T25685] do_syscall_64+0x9f/0x140 [ 1148.631281][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.637503][T25685] [ 1148.639835][T25685] Uninit was stored to memory at: [ 1148.644841][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.651791][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.656779][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.661386][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.666701][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.671583][T25685] do_syscall_64+0x9f/0x140 [ 1148.676102][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.682215][T25685] [ 1148.684759][T25685] Uninit was stored to memory at: [ 1148.689861][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.695585][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.700554][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.705145][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.710111][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.714982][T25685] do_syscall_64+0x9f/0x140 [ 1148.719553][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.725662][T25685] [ 1148.727984][T25685] Uninit was stored to memory at: [ 1148.733037][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.738769][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.743814][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.748434][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.753643][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.758511][T25685] do_syscall_64+0x9f/0x140 [ 1148.763013][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.769076][T25685] [ 1148.771387][T25685] Uninit was stored to memory at: [ 1148.776384][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.782103][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.787038][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.791636][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.796573][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.801426][T25685] do_syscall_64+0x9f/0x140 [ 1148.806477][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.812404][T25685] [ 1148.814717][T25685] Uninit was stored to memory at: [ 1148.819720][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.825440][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.830379][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.834973][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.839951][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.844818][T25685] do_syscall_64+0x9f/0x140 [ 1148.849329][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.855243][T25685] [ 1148.857600][T25685] Uninit was stored to memory at: [ 1148.862866][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1148.868596][T25685] __msan_chain_origin+0x54/0xa0 [ 1148.873539][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1148.878131][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1148.883082][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1148.887948][T25685] do_syscall_64+0x9f/0x140 [ 1148.892463][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.898392][T25685] [ 1148.900706][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1148.907375][T25685] do_recvmmsg+0xbf/0x22d0 [ 1148.911821][T25685] do_recvmmsg+0xbf/0x22d0 [ 1149.070696][T25661] not chained 1510000 origins [ 1149.075412][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1149.084198][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.094249][T25661] Call Trace: [ 1149.097526][T25661] dump_stack+0x24c/0x2e0 [ 1149.101854][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1149.107578][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.112813][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1149.118891][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1149.124526][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.129719][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1149.135523][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1149.141599][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.146816][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1149.152486][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1149.158551][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1149.163847][T25661] ? _copy_from_user+0x1fd/0x300 [ 1149.168868][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.174163][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.179386][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.184035][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1149.189840][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1149.195144][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.200343][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1149.205417][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.210363][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.215373][T25661] do_syscall_64+0x9f/0x140 [ 1149.219974][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.225956][T25661] RIP: 0033:0x4665d9 [ 1149.229864][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1149.249920][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1149.258350][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1149.266323][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1149.274294][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1149.282307][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1149.290298][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1149.298280][T25661] Uninit was stored to memory at: [ 1149.303302][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1149.309177][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.314123][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.318713][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.323649][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.328593][T25661] do_syscall_64+0x9f/0x140 [ 1149.333097][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.338999][T25661] [ 1149.341315][T25661] Uninit was stored to memory at: [ 1149.346319][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1149.352039][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.356977][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.361598][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.366546][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.371407][T25661] do_syscall_64+0x9f/0x140 [ 1149.375937][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.381837][T25661] [ 1149.384171][T25661] Uninit was stored to memory at: [ 1149.389229][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1149.395151][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.400113][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.404716][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.409672][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.414526][T25661] do_syscall_64+0x9f/0x140 [ 1149.419060][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.424966][T25661] [ 1149.427281][T25661] Uninit was stored to memory at: [ 1149.432331][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1149.438081][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.443038][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.447719][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.452655][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.457503][T25661] do_syscall_64+0x9f/0x140 [ 1149.462016][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.467942][T25661] [ 1149.470269][T25661] Uninit was stored to memory at: [ 1149.475271][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1149.480994][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.487330][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.491964][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.496916][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.501772][T25661] do_syscall_64+0x9f/0x140 [ 1149.506456][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.512376][T25661] [ 1149.514712][T25661] Uninit was stored to memory at: [ 1149.519719][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1149.525451][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.530433][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.535037][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.539971][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.544819][T25661] do_syscall_64+0x9f/0x140 [ 1149.549323][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.555409][T25661] [ 1149.557741][T25661] Uninit was stored to memory at: [ 1149.562770][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1149.568517][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.573482][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.578094][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.583059][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.587916][T25661] do_syscall_64+0x9f/0x140 [ 1149.592422][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.598316][T25661] [ 1149.600655][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1149.607324][T25661] do_recvmmsg+0xbf/0x22d0 [ 1149.611744][T25661] do_recvmmsg+0xbf/0x22d0 [ 1149.787190][T25661] not chained 1520000 origins [ 1149.792011][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1149.800960][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.811185][T25661] Call Trace: [ 1149.814468][T25661] dump_stack+0x24c/0x2e0 [ 1149.818811][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1149.824562][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.829786][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1149.835704][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1149.841357][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.846593][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1149.852412][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1149.858488][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.863693][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1149.869326][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1149.876873][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1149.882250][T25661] ? _copy_from_user+0x1fd/0x300 [ 1149.887212][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.892437][T25661] __msan_chain_origin+0x54/0xa0 [ 1149.897382][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1149.901981][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1149.907632][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1149.912921][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1149.918216][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1149.923256][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1149.929199][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1149.934255][T25661] do_syscall_64+0x9f/0x140 [ 1149.938824][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1149.944723][T25661] RIP: 0033:0x4665d9 [ 1149.948644][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1149.968359][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1149.976790][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1149.984765][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1149.992929][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1150.000928][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1150.008903][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1150.016901][T25661] Uninit was stored to memory at: [ 1150.022052][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1150.027799][T25661] __msan_chain_origin+0x54/0xa0 [ 1150.032767][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1150.037366][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1150.042319][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1150.047227][T25661] do_syscall_64+0x9f/0x140 [ 1150.051746][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.057683][T25661] [ 1150.060036][T25661] Uninit was stored to memory at: [ 1150.065068][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1150.070808][T25661] __msan_chain_origin+0x54/0xa0 [ 1150.075759][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1150.080383][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1150.085459][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1150.090442][T25661] do_syscall_64+0x9f/0x140 [ 1150.094977][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.100890][T25661] [ 1150.106056][T25661] Uninit was stored to memory at: [ 1150.111128][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1150.116878][T25661] __msan_chain_origin+0x54/0xa0 [ 1150.121853][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1150.126532][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1150.131846][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1150.136784][T25661] do_syscall_64+0x9f/0x140 [ 1150.141405][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.147406][T25661] [ 1150.149792][T25661] Uninit was stored to memory at: [ 1150.154967][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1150.162496][T25661] __msan_chain_origin+0x54/0xa0 [ 1150.167456][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1150.172258][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1150.177225][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1150.182103][T25661] do_syscall_64+0x9f/0x140 [ 1150.188632][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.194533][T25661] [ 1150.196869][T25661] Uninit was stored to memory at: [ 1150.201907][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1150.207745][T25661] __msan_chain_origin+0x54/0xa0 [ 1150.212692][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1150.217291][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1150.222849][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1150.228188][T25661] do_syscall_64+0x9f/0x140 [ 1150.232731][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.238679][T25661] [ 1150.241018][T25661] Uninit was stored to memory at: [ 1150.246033][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1150.251767][T25661] __msan_chain_origin+0x54/0xa0 [ 1150.256721][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1150.261776][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1150.266746][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1150.271650][T25661] do_syscall_64+0x9f/0x140 [ 1150.276166][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.282072][T25661] [ 1150.284410][T25661] Uninit was stored to memory at: [ 1150.289504][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1150.295248][T25661] __msan_chain_origin+0x54/0xa0 [ 1150.300207][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1150.304802][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1150.309761][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1150.314623][T25661] do_syscall_64+0x9f/0x140 [ 1150.319137][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.325037][T25661] [ 1150.327365][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1150.334038][T25661] do_recvmmsg+0xbf/0x22d0 [ 1150.338462][T25661] do_recvmmsg+0xbf/0x22d0 [ 1150.496311][T25685] not chained 1530000 origins [ 1150.501375][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1150.510155][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1150.520223][T25685] Call Trace: [ 1150.523508][T25685] dump_stack+0x24c/0x2e0 [ 1150.527839][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1150.533573][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1150.538770][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1150.544765][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1150.550403][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1150.555626][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1150.561466][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1150.567652][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1150.572861][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1150.578783][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1150.584862][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1150.590289][T25685] ? _copy_from_user+0x1fd/0x300 [ 1150.595267][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1150.600475][T25685] __msan_chain_origin+0x54/0xa0 [ 1150.605419][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1150.610068][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1150.615751][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1150.621052][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1150.626434][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1150.631474][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1150.636428][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1150.641294][T25685] do_syscall_64+0x9f/0x140 [ 1150.645823][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.651757][T25685] RIP: 0033:0x4665d9 [ 1150.655742][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1150.675805][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1150.684346][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1150.692321][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1150.700397][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1150.708500][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1150.716536][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1150.724914][T25685] Uninit was stored to memory at: [ 1150.730022][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1150.735851][T25685] __msan_chain_origin+0x54/0xa0 [ 1150.740924][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1150.745528][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1150.750542][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1150.755407][T25685] do_syscall_64+0x9f/0x140 [ 1150.759938][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.765839][T25685] [ 1150.768171][T25685] Uninit was stored to memory at: [ 1150.773188][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1150.778936][T25685] __msan_chain_origin+0x54/0xa0 [ 1150.783873][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1150.788469][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1150.793409][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1150.798269][T25685] do_syscall_64+0x9f/0x140 [ 1150.802770][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.808664][T25685] [ 1150.810979][T25685] Uninit was stored to memory at: [ 1150.816114][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1150.821836][T25685] __msan_chain_origin+0x54/0xa0 [ 1150.826774][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1150.831375][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1150.836436][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1150.841313][T25685] do_syscall_64+0x9f/0x140 [ 1150.845818][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.851719][T25685] [ 1150.854057][T25685] Uninit was stored to memory at: [ 1150.859070][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1150.864974][T25685] __msan_chain_origin+0x54/0xa0 [ 1150.869927][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1150.874522][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1150.879515][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1150.884386][T25685] do_syscall_64+0x9f/0x140 [ 1150.888906][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.894816][T25685] [ 1150.897135][T25685] Uninit was stored to memory at: [ 1150.902138][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1150.907867][T25685] __msan_chain_origin+0x54/0xa0 [ 1150.912897][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1150.917511][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1150.922453][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1150.927381][T25685] do_syscall_64+0x9f/0x140 [ 1150.931986][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.937880][T25685] [ 1150.940196][T25685] Uninit was stored to memory at: [ 1150.945217][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1150.951058][T25685] __msan_chain_origin+0x54/0xa0 [ 1150.956042][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1150.960653][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1150.965612][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1150.970463][T25685] do_syscall_64+0x9f/0x140 [ 1150.974974][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1150.981171][T25685] [ 1150.983494][T25685] Uninit was stored to memory at: [ 1150.988511][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1150.994239][T25685] __msan_chain_origin+0x54/0xa0 [ 1151.000684][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1151.005327][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1151.010285][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1151.015239][T25685] do_syscall_64+0x9f/0x140 [ 1151.019755][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.025655][T25685] [ 1151.027975][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1151.034631][T25685] do_recvmmsg+0xbf/0x22d0 [ 1151.039053][T25685] do_recvmmsg+0xbf/0x22d0 [ 1151.211645][T25661] not chained 1540000 origins [ 1151.216446][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1151.225399][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1151.235452][T25661] Call Trace: [ 1151.238748][T25661] dump_stack+0x24c/0x2e0 [ 1151.243167][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1151.248900][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1151.254113][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1151.260102][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1151.265764][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1151.270980][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1151.276816][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1151.282910][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1151.288133][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1151.293801][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1151.299891][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1151.305185][T25661] ? _copy_from_user+0x1fd/0x300 [ 1151.310149][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1151.315355][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.320415][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.325018][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1151.331611][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1151.336933][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1151.342924][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1151.348017][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.352969][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.357827][T25661] do_syscall_64+0x9f/0x140 [ 1151.362341][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.368257][T25661] RIP: 0033:0x4665d9 [ 1151.372445][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1151.392423][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1151.400945][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1151.408926][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1151.416919][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1151.425131][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1151.433109][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1151.441196][T25661] Uninit was stored to memory at: [ 1151.446211][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1151.451951][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.457087][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.461698][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.466697][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.471573][T25661] do_syscall_64+0x9f/0x140 [ 1151.476110][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.482106][T25661] [ 1151.484427][T25661] Uninit was stored to memory at: [ 1151.489574][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1151.495320][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.500403][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.505009][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.510151][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.515209][T25661] do_syscall_64+0x9f/0x140 [ 1151.519735][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.525646][T25661] [ 1151.527964][T25661] Uninit was stored to memory at: [ 1151.532969][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1151.538794][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.543735][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.548350][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.553315][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.558199][T25661] do_syscall_64+0x9f/0x140 [ 1151.562716][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.568700][T25661] [ 1151.571074][T25661] Uninit was stored to memory at: [ 1151.576193][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1151.581939][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.586879][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.591490][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.596503][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.601373][T25661] do_syscall_64+0x9f/0x140 [ 1151.605952][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.611943][T25661] [ 1151.614289][T25661] Uninit was stored to memory at: [ 1151.619322][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1151.625061][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.630004][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.634702][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.639652][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.644536][T25661] do_syscall_64+0x9f/0x140 [ 1151.649053][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.654960][T25661] [ 1151.657290][T25661] Uninit was stored to memory at: [ 1151.662317][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1151.668049][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.672991][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.677594][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.682964][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.687968][T25661] do_syscall_64+0x9f/0x140 [ 1151.692567][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.698488][T25661] [ 1151.700814][T25661] Uninit was stored to memory at: [ 1151.705822][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1151.711854][T25661] __msan_chain_origin+0x54/0xa0 [ 1151.716825][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1151.721427][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1151.726385][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1151.731372][T25661] do_syscall_64+0x9f/0x140 [ 1151.735887][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1151.741877][T25661] [ 1151.744196][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1151.750858][T25661] do_recvmmsg+0xbf/0x22d0 [ 1151.755331][T25661] do_recvmmsg+0xbf/0x22d0 [ 1151.926469][T25685] not chained 1550000 origins [ 1151.931296][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1151.940062][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1151.950128][T25685] Call Trace: [ 1151.953442][T25685] dump_stack+0x24c/0x2e0 [ 1151.957812][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1151.963643][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1151.969023][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1151.974920][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1151.980650][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1151.985855][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1151.991702][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1151.997917][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1152.003119][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1152.008753][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1152.014835][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1152.020124][T25685] ? _copy_from_user+0x1fd/0x300 [ 1152.025077][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1152.030304][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.035275][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.040143][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1152.045832][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1152.051129][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1152.056383][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1152.061428][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.066401][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.071270][T25685] do_syscall_64+0x9f/0x140 [ 1152.075784][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.081719][T25685] RIP: 0033:0x4665d9 [ 1152.085620][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1152.105356][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1152.113779][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1152.121757][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1152.129897][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1152.137878][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1152.145857][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1152.153841][T25685] Uninit was stored to memory at: [ 1152.159250][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1152.165015][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.169980][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.174595][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.179549][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.184451][T25685] do_syscall_64+0x9f/0x140 [ 1152.188964][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.194905][T25685] [ 1152.197224][T25685] Uninit was stored to memory at: [ 1152.202231][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1152.207977][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.212922][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.217563][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.222616][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.227507][T25685] do_syscall_64+0x9f/0x140 [ 1152.232018][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.237953][T25685] [ 1152.240307][T25685] Uninit was stored to memory at: [ 1152.245325][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1152.251081][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.256020][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.260633][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.265656][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.270510][T25685] do_syscall_64+0x9f/0x140 [ 1152.275141][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.281046][T25685] [ 1152.283388][T25685] Uninit was stored to memory at: [ 1152.288615][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1152.294530][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.299487][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.304085][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.309068][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.313933][T25685] do_syscall_64+0x9f/0x140 [ 1152.318456][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.324512][T25685] [ 1152.326831][T25685] Uninit was stored to memory at: [ 1152.332067][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1152.337798][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.342753][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.347370][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.352320][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.357203][T25685] do_syscall_64+0x9f/0x140 [ 1152.362053][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.368011][T25685] [ 1152.370348][T25685] Uninit was stored to memory at: [ 1152.375396][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1152.381128][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.386381][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.391223][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.396183][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.401049][T25685] do_syscall_64+0x9f/0x140 [ 1152.405574][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.411497][T25685] [ 1152.413833][T25685] Uninit was stored to memory at: [ 1152.418859][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1152.424808][T25685] __msan_chain_origin+0x54/0xa0 [ 1152.429755][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1152.434371][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1152.439314][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1152.444173][T25685] do_syscall_64+0x9f/0x140 [ 1152.448696][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.454697][T25685] [ 1152.457030][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1152.463797][T25685] do_recvmmsg+0xbf/0x22d0 [ 1152.468230][T25685] do_recvmmsg+0xbf/0x22d0 [ 1152.658411][T25661] not chained 1560000 origins [ 1152.663112][T25661] CPU: 0 PID: 25661 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1152.671872][T25661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1152.681944][T25661] Call Trace: [ 1152.685241][T25661] dump_stack+0x24c/0x2e0 [ 1152.689731][T25661] kmsan_internal_chain_origin+0x6f/0x130 [ 1152.696192][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1152.701403][T25661] ? kmsan_internal_check_memory+0xb5/0x520 [ 1152.707535][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1152.713419][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1152.718628][T25661] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1152.724558][T25661] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1152.730767][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1152.735973][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1152.741652][T25661] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1152.747739][T25661] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1152.753029][T25661] ? _copy_from_user+0x1fd/0x300 [ 1152.758024][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1152.763240][T25661] __msan_chain_origin+0x54/0xa0 [ 1152.768324][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1152.773063][T25661] ? kmsan_internal_set_origin+0x85/0xc0 [ 1152.778725][T25661] ? __msan_poison_alloca+0xec/0x110 [ 1152.784016][T25661] ? kmsan_get_metadata+0x116/0x180 [ 1152.789328][T25661] ? __se_sys_recvmmsg+0xd6/0x410 [ 1152.794457][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1152.799420][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1152.804289][T25661] do_syscall_64+0x9f/0x140 [ 1152.808815][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.814840][T25661] RIP: 0033:0x4665d9 [ 1152.818753][T25661] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1152.838640][T25661] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1152.847075][T25661] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1152.855054][T25661] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1152.863199][T25661] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1152.871193][T25661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1152.879179][T25661] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1152.887343][T25661] Uninit was stored to memory at: [ 1152.892376][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1152.898104][T25661] __msan_chain_origin+0x54/0xa0 [ 1152.903053][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1152.907656][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1152.912606][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1152.917764][T25661] do_syscall_64+0x9f/0x140 [ 1152.922297][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.928197][T25661] [ 1152.930534][T25661] Uninit was stored to memory at: [ 1152.935638][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1152.941370][T25661] __msan_chain_origin+0x54/0xa0 [ 1152.946336][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1152.951122][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1152.956215][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1152.961087][T25661] do_syscall_64+0x9f/0x140 [ 1152.965598][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1152.971508][T25661] [ 1152.973823][T25661] Uninit was stored to memory at: [ 1152.978936][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1152.984660][T25661] __msan_chain_origin+0x54/0xa0 [ 1152.989600][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1152.994191][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1152.999141][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1153.004006][T25661] do_syscall_64+0x9f/0x140 [ 1153.008520][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.014499][T25661] [ 1153.016888][T25661] Uninit was stored to memory at: [ 1153.021912][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1153.027679][T25661] __msan_chain_origin+0x54/0xa0 [ 1153.032633][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1153.037329][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1153.042298][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1153.047264][T25661] do_syscall_64+0x9f/0x140 [ 1153.051860][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.057792][T25661] [ 1153.060124][T25661] Uninit was stored to memory at: [ 1153.065135][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1153.070869][T25661] __msan_chain_origin+0x54/0xa0 [ 1153.075848][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1153.080447][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1153.085416][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1153.090274][T25661] do_syscall_64+0x9f/0x140 [ 1153.094783][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.100689][T25661] [ 1153.103073][T25661] Uninit was stored to memory at: [ 1153.108096][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1153.113821][T25661] __msan_chain_origin+0x54/0xa0 [ 1153.118918][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1153.123615][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1153.128569][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1153.133517][T25661] do_syscall_64+0x9f/0x140 [ 1153.138027][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.143956][T25661] [ 1153.146266][T25661] Uninit was stored to memory at: [ 1153.151456][T25661] kmsan_internal_chain_origin+0xad/0x130 [ 1153.157189][T25661] __msan_chain_origin+0x54/0xa0 [ 1153.162161][T25661] do_recvmmsg+0x17fc/0x22d0 [ 1153.166784][T25661] __se_sys_recvmmsg+0x24a/0x410 [ 1153.171727][T25661] __x64_sys_recvmmsg+0x62/0x80 [ 1153.177027][T25661] do_syscall_64+0x9f/0x140 [ 1153.181545][T25661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.188597][T25661] [ 1153.190930][T25661] Local variable ----msg_sys@do_recvmmsg created at: [ 1153.198514][T25661] do_recvmmsg+0xbf/0x22d0 [ 1153.203485][T25661] do_recvmmsg+0xbf/0x22d0 [ 1153.357466][T25685] not chained 1570000 origins [ 1153.362284][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1153.371088][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1153.381144][T25685] Call Trace: [ 1153.384436][T25685] dump_stack+0x24c/0x2e0 [ 1153.388777][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1153.394507][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1153.399716][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1153.406832][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1153.412464][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1153.417663][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1153.423467][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1153.429540][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1153.434740][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1153.440388][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1153.446870][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1153.452173][T25685] ? _copy_from_user+0x1fd/0x300 [ 1153.457332][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1153.462589][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.467559][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.472166][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1153.477801][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1153.483098][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1153.488329][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1153.493382][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.498380][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.503382][T25685] do_syscall_64+0x9f/0x140 [ 1153.507908][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.513824][T25685] RIP: 0033:0x4665d9 [ 1153.517713][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1153.537434][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1153.545865][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1153.553905][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1153.561882][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1153.569877][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1153.577893][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1153.585888][T25685] Uninit was stored to memory at: [ 1153.590905][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1153.596628][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.601584][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.606275][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.611236][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.616095][T25685] do_syscall_64+0x9f/0x140 [ 1153.620690][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.627382][T25685] [ 1153.629718][T25685] Uninit was stored to memory at: [ 1153.634735][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1153.640476][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.645471][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.650074][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.655713][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.660567][T25685] do_syscall_64+0x9f/0x140 [ 1153.665108][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.671021][T25685] [ 1153.673357][T25685] Uninit was stored to memory at: [ 1153.678415][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1153.684165][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.689112][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.693706][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.698654][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.703521][T25685] do_syscall_64+0x9f/0x140 [ 1153.708050][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.713946][T25685] [ 1153.716301][T25685] Uninit was stored to memory at: [ 1153.721334][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1153.727101][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.732067][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.736688][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.741647][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.746526][T25685] do_syscall_64+0x9f/0x140 [ 1153.751049][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.757047][T25685] [ 1153.759373][T25685] Uninit was stored to memory at: [ 1153.764504][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1153.770237][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.775206][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.779814][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.785110][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.789980][T25685] do_syscall_64+0x9f/0x140 [ 1153.794485][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.800394][T25685] [ 1153.802746][T25685] Uninit was stored to memory at: [ 1153.807839][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1153.813608][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.818559][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.823190][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.828146][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.832995][T25685] do_syscall_64+0x9f/0x140 [ 1153.837496][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.843400][T25685] [ 1153.845751][T25685] Uninit was stored to memory at: [ 1153.850767][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1153.856512][T25685] __msan_chain_origin+0x54/0xa0 [ 1153.861454][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1153.866041][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1153.871072][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1153.875953][T25685] do_syscall_64+0x9f/0x140 [ 1153.880500][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1153.886621][T25685] [ 1153.888946][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1153.895627][T25685] do_recvmmsg+0xbf/0x22d0 [ 1153.900071][T25685] do_recvmmsg+0xbf/0x22d0 [ 1154.122642][T25685] not chained 1580000 origins [ 1154.127347][T25685] CPU: 0 PID: 25685 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1154.136125][T25685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1154.146269][T25685] Call Trace: [ 1154.149564][T25685] dump_stack+0x24c/0x2e0 [ 1154.154313][T25685] kmsan_internal_chain_origin+0x6f/0x130 [ 1154.160217][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1154.165563][T25685] ? kmsan_internal_check_memory+0xb5/0x520 [ 1154.171551][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1154.177211][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1154.182421][T25685] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1154.188263][T25685] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1154.194595][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1154.199816][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1154.205481][T25685] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1154.211563][T25685] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1154.216855][T25685] ? _copy_from_user+0x1fd/0x300 [ 1154.221892][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1154.227097][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.232068][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.236682][T25685] ? kmsan_internal_set_origin+0x85/0xc0 [ 1154.242515][T25685] ? __msan_poison_alloca+0xec/0x110 [ 1154.247800][T25685] ? kmsan_get_metadata+0x116/0x180 [ 1154.253006][T25685] ? __se_sys_recvmmsg+0xd6/0x410 [ 1154.258047][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.263002][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.267864][T25685] do_syscall_64+0x9f/0x140 [ 1154.272380][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.278284][T25685] RIP: 0033:0x4665d9 [ 1154.282165][T25685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1154.301766][T25685] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1154.310284][T25685] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1154.318267][T25685] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1154.326262][T25685] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1154.337271][T25685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1154.345330][T25685] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1154.353337][T25685] Uninit was stored to memory at: [ 1154.358398][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1154.364222][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.369161][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.373759][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.378709][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.383562][T25685] do_syscall_64+0x9f/0x140 [ 1154.388061][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.393974][T25685] [ 1154.396334][T25685] Uninit was stored to memory at: [ 1154.401347][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1154.407075][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.412016][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.416603][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.421554][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.426426][T25685] do_syscall_64+0x9f/0x140 [ 1154.430945][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.436829][T25685] [ 1154.439140][T25685] Uninit was stored to memory at: [ 1154.444144][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1154.449875][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.454825][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.459412][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.464382][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.469343][T25685] do_syscall_64+0x9f/0x140 [ 1154.473914][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.479935][T25685] [ 1154.482254][T25685] Uninit was stored to memory at: [ 1154.487267][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1154.492987][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.497933][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.502531][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.507478][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.512338][T25685] do_syscall_64+0x9f/0x140 [ 1154.516854][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.522744][T25685] [ 1154.525077][T25685] Uninit was stored to memory at: [ 1154.530095][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1154.535943][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.540895][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.545643][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.550598][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.555494][T25685] do_syscall_64+0x9f/0x140 [ 1154.560027][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.565958][T25685] [ 1154.568298][T25685] Uninit was stored to memory at: [ 1154.573314][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1154.579080][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.584220][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.588830][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.593770][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.598626][T25685] do_syscall_64+0x9f/0x140 [ 1154.603137][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.609077][T25685] [ 1154.611415][T25685] Uninit was stored to memory at: [ 1154.616453][T25685] kmsan_internal_chain_origin+0xad/0x130 [ 1154.622289][T25685] __msan_chain_origin+0x54/0xa0 [ 1154.627272][T25685] do_recvmmsg+0x17fc/0x22d0 [ 1154.631876][T25685] __se_sys_recvmmsg+0x24a/0x410 [ 1154.636933][T25685] __x64_sys_recvmmsg+0x62/0x80 [ 1154.641823][T25685] do_syscall_64+0x9f/0x140 [ 1154.646339][T25685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1154.652228][T25685] [ 1154.654546][T25685] Local variable ----msg_sys@do_recvmmsg created at: [ 1154.661213][T25685] do_recvmmsg+0xbf/0x22d0 [ 1154.665694][T25685] do_recvmmsg+0xbf/0x22d0 00:33:38 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000140)=""/163, 0x100000345, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000005c0)=[{{0x0, 0xfffffffffffffea3, 0x0}}], 0x3ffffffffffff62, 0x0, 0x0) sendto$inet(r1, 0x0, 0xd, 0x0, 0x0, 0x0) 00:33:38 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x100000000000008d, 0x4, 0x0) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000300)="66530700ae897094e7b126b097eaa769be6d05c41bd34e677d114b654b499374a8db38f8c44f7b7d9ce423c26f45958dc387cf4c2e1fea4b7a3dfc8ea6a7efefe48dd9e05485b4ff15f715134d82ce9c0952d644157684e3dae491de7642a7c5", 0x60}], 0x4, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x5) tkill(r1, 0x34) ptrace$cont(0x18, r1, 0x0, 0x0) sendmsg$inet(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)=[{0x0}], 0x1}, 0x0) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:33:38 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000040), 0x9, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0285629, &(0x7f0000003200)={0x3, @win={{0x2}, 0x0, 0x0, &(0x7f00000000c0), 0x0, 0x0}}) 00:33:38 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0xd00}, 0x0) 00:33:38 executing program 5: perf_event_open(&(0x7f0000000280)={0x2, 0x80, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x1000000002, 0x80, 0x800000000000013, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffff, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x6e, &(0x7f0000000000)={@random="e70b92c31f11", @broadcast, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @mcast2, {[], @dest_unreach={0x4, 0x0, 0x0, 0x0, '\x00', {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @loopback, @loopback, [], "80000000000000e2"}}}}}}}, 0x0) 00:33:38 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$UI_SET_ABSBIT(r0, 0x40045567, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x3) write$uinput_user_dev(r0, &(0x7f0000000f40)={'syz0\x00', {}, 0x0, [], [], [0x7]}, 0x45c) ioctl$UI_DEV_CREATE(r0, 0x5501) write$uinput_user_dev(r0, &(0x7f0000000ac0)={'syz0\x00', {}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x3]}, 0x45c) [ 1154.887042][T25704] openvswitch: netlink: Message has 2 unknown bytes. [ 1155.271556][T25716] input: syz0 as /devices/virtual/input/input54 [ 1155.348512][T25720] input: syz0 as /devices/virtual/input/input55 [ 1155.600315][T25713] not chained 1590000 origins [ 1155.605063][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1155.613947][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1155.625107][T25713] Call Trace: [ 1155.628438][T25713] dump_stack+0x24c/0x2e0 [ 1155.632872][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1155.638638][T25713] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1155.644589][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1155.649828][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1155.655817][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1155.661582][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1155.666819][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1155.672684][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1155.678794][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1155.684029][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1155.689815][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1155.695942][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1155.701286][T25713] ? _copy_from_user+0x1fd/0x300 [ 1155.706285][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1155.711548][T25713] __msan_chain_origin+0x54/0xa0 [ 1155.716569][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1155.721219][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1155.727084][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1155.732771][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1155.738105][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1155.744133][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1155.749205][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1155.754324][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1155.759253][T25713] do_syscall_64+0x9f/0x140 [ 1155.763835][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1155.769777][T25713] RIP: 0033:0x4665d9 [ 1155.773704][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1155.793359][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1155.801820][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1155.809831][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1155.817846][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1155.825859][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1155.833874][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1155.841890][T25713] Uninit was stored to memory at: [ 1155.847280][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1155.853043][T25713] __msan_chain_origin+0x54/0xa0 [ 1155.858028][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1155.862658][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1155.867633][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1155.872521][T25713] do_syscall_64+0x9f/0x140 [ 1155.877066][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1155.883016][T25713] [ 1155.885359][T25713] Uninit was stored to memory at: [ 1155.891436][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1155.897309][T25713] __msan_chain_origin+0x54/0xa0 [ 1155.902285][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1155.906913][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1155.911887][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1155.916798][T25713] do_syscall_64+0x9f/0x140 [ 1155.921344][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1155.927276][T25713] [ 1155.929669][T25713] Uninit was stored to memory at: [ 1155.934797][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1155.940670][T25713] __msan_chain_origin+0x54/0xa0 [ 1155.945653][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1155.950287][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1155.955266][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1155.960159][T25713] do_syscall_64+0x9f/0x140 [ 1155.964701][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1155.970633][T25713] [ 1155.972980][T25713] Uninit was stored to memory at: [ 1155.978031][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1155.983876][T25713] __msan_chain_origin+0x54/0xa0 [ 1155.988847][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1155.993473][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1155.998451][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1156.003348][T25713] do_syscall_64+0x9f/0x140 [ 1156.007893][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1156.013817][T25713] [ 1156.016158][T25713] Uninit was stored to memory at: [ 1156.021194][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1156.026948][T25713] __msan_chain_origin+0x54/0xa0 [ 1156.031944][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1156.036578][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1156.041552][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1156.046436][T25713] do_syscall_64+0x9f/0x140 [ 1156.051165][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1156.057115][T25713] [ 1156.059451][T25713] Uninit was stored to memory at: [ 1156.064479][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1156.070242][T25713] __msan_chain_origin+0x54/0xa0 [ 1156.075239][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1156.079898][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1156.084878][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1156.089766][T25713] do_syscall_64+0x9f/0x140 [ 1156.094337][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1156.100280][T25713] [ 1156.102616][T25713] Uninit was stored to memory at: [ 1156.107647][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1156.113485][T25713] __msan_chain_origin+0x54/0xa0 [ 1156.118563][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1156.123223][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1156.128287][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1156.133186][T25713] do_syscall_64+0x9f/0x140 [ 1156.137756][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1156.143692][T25713] [ 1156.146037][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1156.152746][T25713] do_recvmmsg+0xbf/0x22d0 [ 1156.157220][T25713] do_recvmmsg+0xbf/0x22d0 00:33:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cipher_null)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000140)=""/163, 0x100000345, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000005c0)=[{{0x0, 0xfffffffffffffea3, 0x0}}], 0x3ffffffffffff62, 0x0, 0x0) sendto$inet(r1, 0x0, 0xd, 0x0, 0x0, 0x0) 00:33:40 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0xe00}, 0x0) 00:33:40 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000040), 0x9, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0285629, &(0x7f0000003200)={0x3, @win={{0x2}, 0x0, 0x0, &(0x7f00000000c0), 0x0, 0x0}}) 00:33:40 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000700)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x2}]}, 0x24}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00', 0x0}) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000022c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x2c, r5, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x14a0}], @NL80211_ATTR_DURATION={0x8, 0x57, 0x80}]}, 0x2c}}, 0x0) sendmsg$NL80211_CMD_TRIGGER_SCAN(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="050000000000000000002100000008000300", @ANYRES32=r2], 0x1c}}, 0x0) 00:33:40 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$UI_SET_ABSBIT(r0, 0x40045567, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x3) write$uinput_user_dev(r0, &(0x7f0000000f40)={'syz0\x00', {}, 0x0, [], [], [0x7]}, 0x45c) ioctl$UI_DEV_CREATE(r0, 0x5501) write$uinput_user_dev(r0, &(0x7f0000000ac0)={'syz0\x00', {}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x3]}, 0x45c) [ 1156.741278][T25749] input: syz0 as /devices/virtual/input/input56 [ 1156.863576][T25750] openvswitch: netlink: Message has 2 unknown bytes. [ 1156.989182][T25752] not chained 1600000 origins [ 1156.993953][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1157.002764][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1157.013038][T25752] Call Trace: [ 1157.016355][T25752] dump_stack+0x24c/0x2e0 [ 1157.020757][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1157.026638][T25752] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1157.032502][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1157.037749][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1157.043992][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1157.049686][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1157.054952][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1157.060865][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1157.066989][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1157.072247][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1157.078105][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1157.084271][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1157.089635][T25752] ? _copy_from_user+0x1fd/0x300 [ 1157.094640][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1157.099875][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.104858][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.109501][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1157.115818][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1157.121151][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1157.126392][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1157.131500][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.136487][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.141384][T25752] do_syscall_64+0x9f/0x140 [ 1157.145947][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.151904][T25752] RIP: 0033:0x4665d9 [ 1157.156004][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1157.176099][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1157.184732][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1157.192828][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1157.200895][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1157.209169][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1157.217184][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1157.225203][T25752] Uninit was stored to memory at: [ 1157.230244][T25752] kmsan_internal_chain_origin+0xad/0x130 00:33:41 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0xf00}, 0x0) [ 1157.236022][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.241082][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.245730][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.250708][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.255616][T25752] do_syscall_64+0x9f/0x140 [ 1157.260186][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.266215][T25752] [ 1157.268562][T25752] Uninit was stored to memory at: [ 1157.273591][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1157.279351][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.284321][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.288952][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.293923][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.298815][T25752] do_syscall_64+0x9f/0x140 [ 1157.303454][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.309490][T25752] [ 1157.311915][T25752] Uninit was stored to memory at: [ 1157.316980][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1157.322740][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.327734][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.332716][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.337693][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.342580][T25752] do_syscall_64+0x9f/0x140 [ 1157.347120][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.353069][T25752] [ 1157.355429][T25752] Uninit was stored to memory at: [ 1157.360548][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1157.366335][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.371311][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.375942][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.380913][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.385823][T25752] do_syscall_64+0x9f/0x140 [ 1157.390358][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.396413][T25752] [ 1157.398757][T25752] Uninit was stored to memory at: [ 1157.403800][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1157.409634][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.414618][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.419243][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.424208][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.429093][T25752] do_syscall_64+0x9f/0x140 [ 1157.433633][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.439556][T25752] [ 1157.441891][T25752] Uninit was stored to memory at: [ 1157.446917][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1157.453401][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.458407][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.463319][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.468734][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.473746][T25752] do_syscall_64+0x9f/0x140 [ 1157.478296][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.484235][T25752] [ 1157.486582][T25752] Uninit was stored to memory at: [ 1157.491618][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1157.497561][T25752] __msan_chain_origin+0x54/0xa0 [ 1157.502540][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1157.507197][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1157.512202][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1157.517112][T25752] do_syscall_64+0x9f/0x140 [ 1157.521651][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1157.527595][T25752] [ 1157.530904][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1157.538024][T25752] do_recvmmsg+0xbf/0x22d0 [ 1157.542484][T25752] do_recvmmsg+0xbf/0x22d0 [ 1158.136202][T25713] not chained 1610000 origins [ 1158.140953][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1158.149754][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1158.159840][T25713] Call Trace: [ 1158.163160][T25713] dump_stack+0x24c/0x2e0 [ 1158.167559][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1158.173331][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1158.179375][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1158.184712][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1158.190663][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1158.196444][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1158.201697][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1158.207559][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1158.214034][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1158.219595][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1158.225370][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1158.231492][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1158.236924][T25713] ? _copy_from_user+0x1fd/0x300 [ 1158.241999][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1158.247260][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.252343][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.256993][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1158.262852][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1158.268566][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1158.273896][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1158.280033][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1158.285111][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.290139][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.295490][T25713] do_syscall_64+0x9f/0x140 [ 1158.300074][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.306394][T25713] RIP: 0033:0x4665d9 [ 1158.310552][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1158.330318][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1158.338792][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1158.346980][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1158.354993][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1158.363013][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1158.371027][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1158.379044][T25713] Uninit was stored to memory at: [ 1158.384094][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1158.389847][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.394821][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.399493][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.404462][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.409344][T25713] do_syscall_64+0x9f/0x140 [ 1158.413911][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.419850][T25713] [ 1158.422190][T25713] Uninit was stored to memory at: [ 1158.427217][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1158.433498][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.438511][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.443343][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.448340][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.453235][T25713] do_syscall_64+0x9f/0x140 [ 1158.457775][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.463704][T25713] [ 1158.466242][T25713] Uninit was stored to memory at: [ 1158.471358][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1158.477564][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.482538][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.487179][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.492150][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.497040][T25713] do_syscall_64+0x9f/0x140 [ 1158.501583][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.507521][T25713] [ 1158.509862][T25713] Uninit was stored to memory at: [ 1158.514901][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1158.520673][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.525657][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.530275][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.535237][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.540130][T25713] do_syscall_64+0x9f/0x140 [ 1158.544663][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.550591][T25713] [ 1158.553110][T25713] Uninit was stored to memory at: [ 1158.558161][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1158.563915][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.568886][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.573613][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.578594][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.583575][T25713] do_syscall_64+0x9f/0x140 [ 1158.588125][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.594058][T25713] [ 1158.596398][T25713] Uninit was stored to memory at: [ 1158.601461][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1158.607276][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.612256][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.616895][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.621877][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.627391][T25713] do_syscall_64+0x9f/0x140 [ 1158.631947][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.637889][T25713] [ 1158.640233][T25713] Uninit was stored to memory at: [ 1158.645280][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1158.651040][T25713] __msan_chain_origin+0x54/0xa0 [ 1158.656021][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1158.660653][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1158.665725][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1158.670839][T25713] do_syscall_64+0x9f/0x140 [ 1158.675394][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1158.681325][T25713] [ 1158.683679][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1158.690362][T25713] do_recvmmsg+0xbf/0x22d0 [ 1158.694823][T25713] do_recvmmsg+0xbf/0x22d0 [ 1159.059722][T25752] not chained 1620000 origins [ 1159.064479][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1159.073275][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1159.083373][T25752] Call Trace: [ 1159.086769][T25752] dump_stack+0x24c/0x2e0 [ 1159.091145][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1159.096911][T25752] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1159.102756][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1159.108085][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1159.114019][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1159.119723][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1159.124969][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1159.130826][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1159.136974][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1159.142218][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1159.148159][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1159.154292][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1159.159628][T25752] ? _copy_from_user+0x1fd/0x300 [ 1159.164612][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1159.169845][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.174827][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.179575][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1159.185943][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1159.191271][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1159.196511][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1159.201577][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.206585][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.211488][T25752] do_syscall_64+0x9f/0x140 [ 1159.216148][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.222175][T25752] RIP: 0033:0x4665d9 [ 1159.226224][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1159.246154][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1159.254632][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1159.262638][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1159.270645][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1159.278660][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1159.286926][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1159.295127][T25752] Uninit was stored to memory at: [ 1159.300171][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1159.306128][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.311348][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.315999][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.320971][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.325854][T25752] do_syscall_64+0x9f/0x140 [ 1159.330396][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.336334][T25752] [ 1159.338696][T25752] Uninit was stored to memory at: [ 1159.343719][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1159.349479][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.354449][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.359107][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.364076][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.368968][T25752] do_syscall_64+0x9f/0x140 [ 1159.373629][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.379560][T25752] [ 1159.381894][T25752] Uninit was stored to memory at: [ 1159.386917][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1159.392669][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.397644][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.402266][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.407239][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.412229][T25752] do_syscall_64+0x9f/0x140 [ 1159.416778][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.422702][T25752] [ 1159.425039][T25752] Uninit was stored to memory at: [ 1159.430061][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1159.435813][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.440787][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.445425][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.450406][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.455310][T25752] do_syscall_64+0x9f/0x140 [ 1159.459848][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.465775][T25752] [ 1159.468201][T25752] Uninit was stored to memory at: [ 1159.473253][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1159.479020][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.483991][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.488698][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.493672][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.498569][T25752] do_syscall_64+0x9f/0x140 [ 1159.503139][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.509254][T25752] [ 1159.511604][T25752] Uninit was stored to memory at: [ 1159.516630][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1159.522485][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.527562][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.532200][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.537279][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.542175][T25752] do_syscall_64+0x9f/0x140 [ 1159.546725][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.552651][T25752] [ 1159.554982][T25752] Uninit was stored to memory at: [ 1159.560004][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1159.565751][T25752] __msan_chain_origin+0x54/0xa0 [ 1159.570717][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1159.575337][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1159.580310][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1159.585294][T25752] do_syscall_64+0x9f/0x140 [ 1159.589843][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1159.595782][T25752] [ 1159.598120][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1159.605964][T25752] do_recvmmsg+0xbf/0x22d0 [ 1159.610427][T25752] do_recvmmsg+0xbf/0x22d0 [ 1159.694388][T25769] openvswitch: netlink: Message has 2 unknown bytes. [ 1159.930944][T25713] not chained 1630000 origins [ 1159.935708][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1159.944535][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1159.954630][T25713] Call Trace: [ 1159.957938][T25713] dump_stack+0x24c/0x2e0 [ 1159.962372][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1159.968189][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1159.973439][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1159.979405][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1159.985090][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1159.990337][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1159.996215][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1160.002338][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1160.007774][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1160.013456][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1160.019631][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1160.025048][T25713] ? _copy_from_user+0x1fd/0x300 [ 1160.030205][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1160.035448][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.040422][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.045054][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1160.050901][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1160.057007][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1160.062323][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1160.068367][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1160.073426][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.078419][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.083307][T25713] do_syscall_64+0x9f/0x140 [ 1160.087867][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.093865][T25713] RIP: 0033:0x4665d9 [ 1160.098223][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1160.117850][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1160.126272][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1160.134245][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1160.142217][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1160.150450][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1160.158457][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1160.166452][T25713] Uninit was stored to memory at: [ 1160.171490][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1160.177238][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.182314][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.187115][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.192097][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.197059][T25713] do_syscall_64+0x9f/0x140 [ 1160.201664][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.207577][T25713] [ 1160.209905][T25713] Uninit was stored to memory at: [ 1160.215004][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1160.220751][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.225688][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.230383][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.235335][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.240436][T25713] do_syscall_64+0x9f/0x140 [ 1160.244967][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.251846][T25713] [ 1160.254162][T25713] Uninit was stored to memory at: [ 1160.259163][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1160.264882][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.270006][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.274652][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.279694][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.284658][T25713] do_syscall_64+0x9f/0x140 [ 1160.289303][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.295344][T25713] [ 1160.297661][T25713] Uninit was stored to memory at: [ 1160.302865][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1160.308603][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.313586][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.318312][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.323269][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.328176][T25713] do_syscall_64+0x9f/0x140 [ 1160.332725][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.338629][T25713] [ 1160.340966][T25713] Uninit was stored to memory at: [ 1160.345994][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1160.351930][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.356902][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.361542][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.366483][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.371353][T25713] do_syscall_64+0x9f/0x140 [ 1160.375919][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.381840][T25713] [ 1160.384162][T25713] Uninit was stored to memory at: [ 1160.389259][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1160.394991][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.399941][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.404533][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.409472][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.414735][T25713] do_syscall_64+0x9f/0x140 [ 1160.419247][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.425260][T25713] [ 1160.427590][T25713] Uninit was stored to memory at: [ 1160.432612][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1160.438349][T25713] __msan_chain_origin+0x54/0xa0 [ 1160.443296][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1160.447916][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1160.452870][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1160.457718][T25713] do_syscall_64+0x9f/0x140 [ 1160.462331][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.468379][T25713] [ 1160.470703][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1160.477500][T25713] do_recvmmsg+0xbf/0x22d0 [ 1160.482023][T25713] do_recvmmsg+0xbf/0x22d0 [ 1160.658844][T25752] not chained 1640000 origins [ 1160.663687][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1160.672597][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1160.683874][T25752] Call Trace: [ 1160.687175][T25752] dump_stack+0x24c/0x2e0 [ 1160.691604][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1160.697693][T25752] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1160.703615][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1160.708840][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1160.714744][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1160.720584][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1160.725847][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1160.731687][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1160.738950][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1160.744552][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1160.750239][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1160.756325][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1160.761620][T25752] ? _copy_from_user+0x1fd/0x300 [ 1160.766574][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1160.771803][T25752] __msan_chain_origin+0x54/0xa0 [ 1160.777043][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1160.781644][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1160.787291][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1160.792587][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1160.797786][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1160.802817][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1160.807775][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1160.812634][T25752] do_syscall_64+0x9f/0x140 [ 1160.817167][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.823095][T25752] RIP: 0033:0x4665d9 [ 1160.826997][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1160.846962][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1160.855645][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1160.863622][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1160.871595][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1160.879582][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1160.887553][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1160.895628][T25752] Uninit was stored to memory at: [ 1160.900764][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1160.906504][T25752] __msan_chain_origin+0x54/0xa0 [ 1160.911452][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1160.916044][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1160.920984][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1160.926762][T25752] do_syscall_64+0x9f/0x140 [ 1160.931600][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.937676][T25752] [ 1160.939994][T25752] Uninit was stored to memory at: [ 1160.945012][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1160.950732][T25752] __msan_chain_origin+0x54/0xa0 [ 1160.955678][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1160.962084][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1160.967057][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1160.971920][T25752] do_syscall_64+0x9f/0x140 [ 1160.976566][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1160.982469][T25752] [ 1160.984812][T25752] Uninit was stored to memory at: [ 1160.989832][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1160.995556][T25752] __msan_chain_origin+0x54/0xa0 [ 1161.000603][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1161.005210][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1161.010176][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1161.015050][T25752] do_syscall_64+0x9f/0x140 [ 1161.019573][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.025472][T25752] [ 1161.027803][T25752] Uninit was stored to memory at: [ 1161.032815][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1161.038841][T25752] __msan_chain_origin+0x54/0xa0 [ 1161.043798][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1161.048406][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1161.053374][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1161.058251][T25752] do_syscall_64+0x9f/0x140 [ 1161.062788][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.068787][T25752] [ 1161.071118][T25752] Uninit was stored to memory at: [ 1161.076155][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1161.082264][T25752] __msan_chain_origin+0x54/0xa0 [ 1161.087229][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1161.091858][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1161.096816][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1161.101764][T25752] do_syscall_64+0x9f/0x140 [ 1161.106281][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.112184][T25752] [ 1161.114507][T25752] Uninit was stored to memory at: [ 1161.119566][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1161.125297][T25752] __msan_chain_origin+0x54/0xa0 [ 1161.130242][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1161.135253][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1161.140781][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1161.145658][T25752] do_syscall_64+0x9f/0x140 [ 1161.150173][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.156087][T25752] [ 1161.158491][T25752] Uninit was stored to memory at: [ 1161.163539][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1161.169363][T25752] __msan_chain_origin+0x54/0xa0 [ 1161.174313][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1161.178955][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1161.184175][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1161.189152][T25752] do_syscall_64+0x9f/0x140 [ 1161.194008][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.201478][T25752] [ 1161.204579][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1161.211743][T25752] do_recvmmsg+0xbf/0x22d0 [ 1161.216448][T25752] do_recvmmsg+0xbf/0x22d0 [ 1161.390264][T25713] not chained 1650000 origins [ 1161.395150][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1161.404064][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1161.416545][T25713] Call Trace: [ 1161.419855][T25713] dump_stack+0x24c/0x2e0 [ 1161.424728][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1161.430673][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1161.435935][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1161.441978][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1161.448909][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1161.454540][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1161.461070][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1161.467763][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1161.473404][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1161.479439][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1161.485757][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1161.491072][T25713] ? _copy_from_user+0x1fd/0x300 [ 1161.496162][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1161.501605][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.506559][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.511333][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1161.517763][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1161.523532][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1161.528847][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1161.535298][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1161.540444][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.545402][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.551149][T25713] do_syscall_64+0x9f/0x140 [ 1161.555668][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.561576][T25713] RIP: 0033:0x4665d9 [ 1161.565499][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1161.585687][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1161.594147][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1161.602126][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1161.610130][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1161.619015][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1161.627294][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1161.635307][T25713] Uninit was stored to memory at: [ 1161.641058][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1161.647055][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.652091][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.656696][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.661844][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.666727][T25713] do_syscall_64+0x9f/0x140 [ 1161.671252][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.677180][T25713] [ 1161.679508][T25713] Uninit was stored to memory at: [ 1161.684516][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1161.690244][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.695191][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.699789][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.704737][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.709622][T25713] do_syscall_64+0x9f/0x140 [ 1161.714159][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.720166][T25713] [ 1161.722497][T25713] Uninit was stored to memory at: [ 1161.727546][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1161.733421][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.738375][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.743013][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.748079][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.752955][T25713] do_syscall_64+0x9f/0x140 [ 1161.757466][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.763387][T25713] [ 1161.765711][T25713] Uninit was stored to memory at: [ 1161.770720][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1161.776571][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.781539][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.786143][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.791087][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.795967][T25713] do_syscall_64+0x9f/0x140 [ 1161.800588][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.806844][T25713] [ 1161.813623][T25713] Uninit was stored to memory at: [ 1161.818638][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1161.824368][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.829311][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.833904][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.838979][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.843856][T25713] do_syscall_64+0x9f/0x140 [ 1161.848371][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.854269][T25713] [ 1161.856588][T25713] Uninit was stored to memory at: [ 1161.861592][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1161.867314][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.872262][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.876871][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.881826][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.886690][T25713] do_syscall_64+0x9f/0x140 [ 1161.891467][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.897477][T25713] [ 1161.899796][T25713] Uninit was stored to memory at: [ 1161.904859][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1161.910588][T25713] __msan_chain_origin+0x54/0xa0 [ 1161.915727][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1161.920320][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1161.925275][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1161.930160][T25713] do_syscall_64+0x9f/0x140 [ 1161.934674][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1161.940574][T25713] [ 1161.942889][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1161.949949][T25713] do_recvmmsg+0xbf/0x22d0 [ 1161.954537][T25713] do_recvmmsg+0xbf/0x22d0 [ 1162.115916][T25752] not chained 1660000 origins [ 1162.120742][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1162.129505][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1162.139595][T25752] Call Trace: [ 1162.142896][T25752] dump_stack+0x24c/0x2e0 [ 1162.147277][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1162.153021][T25752] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1162.158840][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1162.164110][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1162.170011][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1162.176033][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1162.182169][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1162.188193][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1162.194371][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1162.199603][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1162.205255][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1162.211330][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1162.216719][T25752] ? _copy_from_user+0x1fd/0x300 [ 1162.221786][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1162.227006][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.231953][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.236569][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1162.242222][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1162.247511][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1162.252898][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1162.257930][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.262891][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.267749][T25752] do_syscall_64+0x9f/0x140 [ 1162.272272][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.278216][T25752] RIP: 0033:0x4665d9 [ 1162.282368][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1162.302122][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1162.310679][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1162.318660][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1162.326667][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1162.334640][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1162.342623][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1162.350601][T25752] Uninit was stored to memory at: [ 1162.355628][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1162.361362][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.366311][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.370914][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.375863][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.380744][T25752] do_syscall_64+0x9f/0x140 [ 1162.385252][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.391160][T25752] [ 1162.393495][T25752] Uninit was stored to memory at: [ 1162.398509][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1162.404261][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.409227][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.413836][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.418780][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.423677][T25752] do_syscall_64+0x9f/0x140 [ 1162.428302][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.434218][T25752] [ 1162.436548][T25752] Uninit was stored to memory at: [ 1162.441557][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1162.447293][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.452246][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.456862][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.461805][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.466700][T25752] do_syscall_64+0x9f/0x140 [ 1162.471217][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.477148][T25752] [ 1162.479468][T25752] Uninit was stored to memory at: [ 1162.484571][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1162.490314][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.495329][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.499923][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.504864][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.509746][T25752] do_syscall_64+0x9f/0x140 [ 1162.514276][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.520516][T25752] [ 1162.522860][T25752] Uninit was stored to memory at: [ 1162.527884][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1162.533615][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.538574][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.543189][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.548242][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.553114][T25752] do_syscall_64+0x9f/0x140 [ 1162.557646][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.563563][T25752] [ 1162.566085][T25752] Uninit was stored to memory at: [ 1162.571120][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1162.576882][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.581828][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.586459][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.591545][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.596448][T25752] do_syscall_64+0x9f/0x140 [ 1162.601000][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.607064][T25752] [ 1162.609399][T25752] Uninit was stored to memory at: [ 1162.614411][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1162.620328][T25752] __msan_chain_origin+0x54/0xa0 [ 1162.625382][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1162.630256][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1162.635525][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1162.640445][T25752] do_syscall_64+0x9f/0x140 [ 1162.644976][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1162.650909][T25752] [ 1162.653251][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1162.659932][T25752] do_recvmmsg+0xbf/0x22d0 [ 1162.664370][T25752] do_recvmmsg+0xbf/0x22d0 [ 1162.862329][T25713] not chained 1670000 origins [ 1162.867192][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1162.875958][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1162.886185][T25713] Call Trace: [ 1162.889644][T25713] dump_stack+0x24c/0x2e0 [ 1162.893988][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1162.899741][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1162.904944][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1162.910845][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1162.916481][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1162.921690][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1162.927552][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1162.933641][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1162.938891][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1162.944703][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1162.950948][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1162.956240][T25713] ? _copy_from_user+0x1fd/0x300 [ 1162.961466][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1162.966906][T25713] __msan_chain_origin+0x54/0xa0 [ 1162.972045][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1162.976664][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1162.982569][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1162.988226][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1162.993544][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1162.999596][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1163.004636][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.009592][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.014484][T25713] do_syscall_64+0x9f/0x140 [ 1163.019050][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.024983][T25713] RIP: 0033:0x4665d9 [ 1163.029040][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1163.048854][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1163.057843][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1163.065836][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1163.073821][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1163.081814][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1163.089819][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1163.097797][T25713] Uninit was stored to memory at: [ 1163.102837][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1163.108560][T25713] __msan_chain_origin+0x54/0xa0 [ 1163.113507][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1163.118104][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.123261][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.129062][T25713] do_syscall_64+0x9f/0x140 [ 1163.133594][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.140869][T25713] [ 1163.143202][T25713] Uninit was stored to memory at: [ 1163.148299][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1163.154063][T25713] __msan_chain_origin+0x54/0xa0 [ 1163.159017][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1163.163624][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.168571][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.173635][T25713] do_syscall_64+0x9f/0x140 [ 1163.178152][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.184061][T25713] [ 1163.186440][T25713] Uninit was stored to memory at: [ 1163.191452][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1163.197218][T25713] __msan_chain_origin+0x54/0xa0 [ 1163.202283][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1163.206928][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.211896][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.216801][T25713] do_syscall_64+0x9f/0x140 [ 1163.221313][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.227230][T25713] [ 1163.229649][T25713] Uninit was stored to memory at: [ 1163.234769][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1163.240507][T25713] __msan_chain_origin+0x54/0xa0 [ 1163.245446][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1163.250050][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.254988][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.260016][T25713] do_syscall_64+0x9f/0x140 [ 1163.264525][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.270437][T25713] [ 1163.272753][T25713] Uninit was stored to memory at: [ 1163.277756][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1163.283507][T25713] __msan_chain_origin+0x54/0xa0 [ 1163.288473][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1163.293058][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.298011][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.302890][T25713] do_syscall_64+0x9f/0x140 [ 1163.307392][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.313304][T25713] [ 1163.315638][T25713] Uninit was stored to memory at: [ 1163.320789][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1163.326521][T25713] __msan_chain_origin+0x54/0xa0 [ 1163.331502][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1163.336096][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.341073][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.345968][T25713] do_syscall_64+0x9f/0x140 [ 1163.350496][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.356387][T25713] [ 1163.358706][T25713] Uninit was stored to memory at: [ 1163.363710][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1163.369556][T25713] __msan_chain_origin+0x54/0xa0 [ 1163.374501][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1163.379107][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1163.384156][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1163.389018][T25713] do_syscall_64+0x9f/0x140 [ 1163.393668][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.399611][T25713] [ 1163.402192][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1163.408856][T25713] do_recvmmsg+0xbf/0x22d0 [ 1163.413970][T25713] do_recvmmsg+0xbf/0x22d0 [ 1163.568219][T25752] not chained 1680000 origins [ 1163.573556][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1163.582328][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1163.594134][T25752] Call Trace: [ 1163.597424][T25752] dump_stack+0x24c/0x2e0 [ 1163.602243][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1163.608177][T25752] ? exc_page_fault+0x45/0x50 [ 1163.613169][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1163.618475][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1163.624568][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1163.630232][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1163.636225][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1163.642450][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1163.648691][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1163.654171][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1163.659847][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1163.665936][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1163.671240][T25752] ? _copy_from_user+0x1fd/0x300 [ 1163.676204][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1163.681409][T25752] __msan_chain_origin+0x54/0xa0 [ 1163.686363][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1163.690978][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1163.696625][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1163.701933][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1163.707150][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1163.712330][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1163.717403][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1163.722440][T25752] do_syscall_64+0x9f/0x140 [ 1163.726963][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.732860][T25752] RIP: 0033:0x4665d9 [ 1163.736752][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1163.756372][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1163.764832][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1163.772857][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1163.780983][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1163.789042][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1163.797375][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1163.805714][T25752] Uninit was stored to memory at: [ 1163.810737][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1163.816535][T25752] __msan_chain_origin+0x54/0xa0 [ 1163.821486][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1163.826081][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1163.831141][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1163.836000][T25752] do_syscall_64+0x9f/0x140 [ 1163.840566][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.846530][T25752] [ 1163.848844][T25752] Uninit was stored to memory at: [ 1163.853867][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1163.859588][T25752] __msan_chain_origin+0x54/0xa0 [ 1163.864547][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1163.869185][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1163.874126][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1163.878980][T25752] do_syscall_64+0x9f/0x140 [ 1163.883501][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.889763][T25752] [ 1163.892096][T25752] Uninit was stored to memory at: [ 1163.897098][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1163.902838][T25752] __msan_chain_origin+0x54/0xa0 [ 1163.907776][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1163.912373][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1163.917407][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1163.922276][T25752] do_syscall_64+0x9f/0x140 [ 1163.927161][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.933154][T25752] [ 1163.935664][T25752] Uninit was stored to memory at: [ 1163.940675][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1163.946501][T25752] __msan_chain_origin+0x54/0xa0 [ 1163.951470][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1163.956074][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1163.961012][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1163.965911][T25752] do_syscall_64+0x9f/0x140 [ 1163.970416][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1163.976315][T25752] [ 1163.978647][T25752] Uninit was stored to memory at: [ 1163.983673][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1163.989394][T25752] __msan_chain_origin+0x54/0xa0 [ 1163.994335][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1163.999027][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1164.003964][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1164.008811][T25752] do_syscall_64+0x9f/0x140 [ 1164.013317][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.019223][T25752] [ 1164.021543][T25752] Uninit was stored to memory at: [ 1164.026551][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1164.032612][T25752] __msan_chain_origin+0x54/0xa0 [ 1164.037564][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1164.042403][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1164.047395][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1164.052454][T25752] do_syscall_64+0x9f/0x140 [ 1164.056968][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.062918][T25752] [ 1164.065253][T25752] Uninit was stored to memory at: [ 1164.070259][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1164.075985][T25752] __msan_chain_origin+0x54/0xa0 [ 1164.081050][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1164.085678][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1164.090735][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1164.095685][T25752] do_syscall_64+0x9f/0x140 [ 1164.100201][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.106112][T25752] [ 1164.108447][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1164.115132][T25752] do_recvmmsg+0xbf/0x22d0 [ 1164.119567][T25752] do_recvmmsg+0xbf/0x22d0 [ 1164.296011][T25713] not chained 1690000 origins [ 1164.300752][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1164.309519][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1164.319587][T25713] Call Trace: [ 1164.322866][T25713] dump_stack+0x24c/0x2e0 [ 1164.327210][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1164.332951][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1164.338162][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1164.344182][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1164.349941][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1164.355196][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1164.361013][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1164.367112][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1164.372423][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1164.378184][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1164.384254][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1164.389544][T25713] ? _copy_from_user+0x1fd/0x300 [ 1164.394486][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1164.399692][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.404630][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.409226][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1164.415057][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1164.420713][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1164.426051][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1164.432038][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1164.437700][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.442667][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.447542][T25713] do_syscall_64+0x9f/0x140 [ 1164.452071][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.457962][T25713] RIP: 0033:0x4665d9 [ 1164.461862][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1164.481694][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1164.490126][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1164.498180][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1164.506332][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1164.514339][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1164.522831][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1164.530809][T25713] Uninit was stored to memory at: [ 1164.535822][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1164.541573][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.546517][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.551111][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.556069][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.560948][T25713] do_syscall_64+0x9f/0x140 [ 1164.565493][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.571489][T25713] [ 1164.573820][T25713] Uninit was stored to memory at: [ 1164.578840][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1164.584565][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.589620][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.594329][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.599275][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.604128][T25713] do_syscall_64+0x9f/0x140 [ 1164.609411][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.615334][T25713] [ 1164.617647][T25713] Uninit was stored to memory at: [ 1164.622671][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1164.628407][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.633401][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.638020][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.644382][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.649248][T25713] do_syscall_64+0x9f/0x140 [ 1164.653860][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.659793][T25713] [ 1164.662201][T25713] Uninit was stored to memory at: [ 1164.667294][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1164.673035][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.678255][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.682973][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.688026][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.692927][T25713] do_syscall_64+0x9f/0x140 [ 1164.698142][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.704136][T25713] [ 1164.706545][T25713] Uninit was stored to memory at: [ 1164.711659][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1164.717402][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.722665][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.727280][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.732657][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.737513][T25713] do_syscall_64+0x9f/0x140 [ 1164.742088][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.747991][T25713] [ 1164.750368][T25713] Uninit was stored to memory at: [ 1164.755390][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1164.761215][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.766156][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.771180][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.776137][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.780991][T25713] do_syscall_64+0x9f/0x140 [ 1164.785494][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.791416][T25713] [ 1164.793743][T25713] Uninit was stored to memory at: [ 1164.798799][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1164.804526][T25713] __msan_chain_origin+0x54/0xa0 [ 1164.809487][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1164.814118][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1164.819101][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1164.823993][T25713] do_syscall_64+0x9f/0x140 [ 1164.828505][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1164.834417][T25713] [ 1164.836755][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1164.843421][T25713] do_recvmmsg+0xbf/0x22d0 [ 1164.847854][T25713] do_recvmmsg+0xbf/0x22d0 [ 1164.999293][T25752] not chained 1700000 origins [ 1165.004185][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1165.013061][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1165.023141][T25752] Call Trace: [ 1165.026553][T25752] dump_stack+0x24c/0x2e0 [ 1165.030884][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1165.036612][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1165.041832][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1165.047741][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1165.053524][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1165.058794][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1165.064643][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1165.071674][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1165.076877][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1165.082548][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1165.088729][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1165.094082][T25752] ? _copy_from_user+0x1fd/0x300 [ 1165.099028][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1165.104321][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.109460][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.114193][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1165.119875][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1165.125862][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1165.131079][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1165.136109][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.141152][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.146007][T25752] do_syscall_64+0x9f/0x140 [ 1165.150519][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.156436][T25752] RIP: 0033:0x4665d9 [ 1165.160336][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1165.180050][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1165.188882][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1165.197211][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1165.205249][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1165.213323][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1165.221333][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1165.229319][T25752] Uninit was stored to memory at: [ 1165.234639][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1165.240370][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.245446][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.250061][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.255026][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.259898][T25752] do_syscall_64+0x9f/0x140 [ 1165.264417][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.270321][T25752] [ 1165.272740][T25752] Uninit was stored to memory at: [ 1165.277763][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1165.283594][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.288537][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.293132][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.298083][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.303027][T25752] do_syscall_64+0x9f/0x140 [ 1165.307680][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.313592][T25752] [ 1165.315924][T25752] Uninit was stored to memory at: [ 1165.320930][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1165.326669][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.331620][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.336217][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.341155][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.346004][T25752] do_syscall_64+0x9f/0x140 [ 1165.350511][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.356417][T25752] [ 1165.358745][T25752] Uninit was stored to memory at: [ 1165.363769][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1165.369600][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.374682][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.379278][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.384225][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.389772][T25752] do_syscall_64+0x9f/0x140 [ 1165.394279][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.400201][T25752] [ 1165.402516][T25752] Uninit was stored to memory at: [ 1165.407868][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1165.413620][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.418558][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.423147][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.428091][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.432936][T25752] do_syscall_64+0x9f/0x140 [ 1165.437489][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.443408][T25752] [ 1165.445812][T25752] Uninit was stored to memory at: [ 1165.450817][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1165.456567][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.461531][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.466486][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.471560][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.476419][T25752] do_syscall_64+0x9f/0x140 [ 1165.480942][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.486854][T25752] [ 1165.489180][T25752] Uninit was stored to memory at: [ 1165.494200][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1165.500028][T25752] __msan_chain_origin+0x54/0xa0 [ 1165.504983][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1165.509603][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1165.514569][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1165.519420][T25752] do_syscall_64+0x9f/0x140 [ 1165.524031][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.529923][T25752] [ 1165.532256][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1165.538923][T25752] do_recvmmsg+0xbf/0x22d0 [ 1165.543351][T25752] do_recvmmsg+0xbf/0x22d0 [ 1165.714885][T25713] not chained 1710000 origins [ 1165.719754][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1165.728514][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1165.738776][T25713] Call Trace: [ 1165.742074][T25713] dump_stack+0x24c/0x2e0 [ 1165.746524][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1165.752660][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1165.757890][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1165.763799][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1165.769457][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1165.774690][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1165.780635][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1165.787491][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1165.792846][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1165.798498][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1165.804608][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1165.809899][T25713] ? _copy_from_user+0x1fd/0x300 [ 1165.814854][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1165.820071][T25713] __msan_chain_origin+0x54/0xa0 [ 1165.825185][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1165.829805][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1165.835622][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1165.841279][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1165.846592][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1165.852592][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1165.857642][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1165.862759][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1165.868556][T25713] do_syscall_64+0x9f/0x140 [ 1165.873197][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.879110][T25713] RIP: 0033:0x4665d9 [ 1165.883019][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1165.903084][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1165.912133][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1165.920113][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1165.928098][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1165.936087][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1165.944064][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1165.952064][T25713] Uninit was stored to memory at: [ 1165.957090][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1165.962841][T25713] __msan_chain_origin+0x54/0xa0 [ 1165.967785][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1165.972372][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1165.977317][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1165.982185][T25713] do_syscall_64+0x9f/0x140 [ 1165.986713][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1165.992603][T25713] [ 1165.994934][T25713] Uninit was stored to memory at: [ 1165.999942][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1166.005690][T25713] __msan_chain_origin+0x54/0xa0 [ 1166.010629][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1166.015219][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1166.020158][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1166.025569][T25713] do_syscall_64+0x9f/0x140 [ 1166.030088][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.035988][T25713] [ 1166.038306][T25713] Uninit was stored to memory at: [ 1166.043330][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1166.049077][T25713] __msan_chain_origin+0x54/0xa0 [ 1166.054032][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1166.058640][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1166.063575][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1166.068424][T25713] do_syscall_64+0x9f/0x140 [ 1166.073039][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.078983][T25713] [ 1166.081313][T25713] Uninit was stored to memory at: [ 1166.086325][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1166.092085][T25713] __msan_chain_origin+0x54/0xa0 [ 1166.097037][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1166.101640][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1166.106587][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1166.111535][T25713] do_syscall_64+0x9f/0x140 [ 1166.116049][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.121965][T25713] [ 1166.124287][T25713] Uninit was stored to memory at: [ 1166.129401][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1166.135128][T25713] __msan_chain_origin+0x54/0xa0 [ 1166.140154][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1166.144762][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1166.149700][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1166.154563][T25713] do_syscall_64+0x9f/0x140 [ 1166.159088][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.165011][T25713] [ 1166.167328][T25713] Uninit was stored to memory at: [ 1166.172331][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1166.178077][T25713] __msan_chain_origin+0x54/0xa0 [ 1166.183019][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1166.187623][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1166.192673][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1166.197545][T25713] do_syscall_64+0x9f/0x140 [ 1166.202142][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.208046][T25713] [ 1166.210382][T25713] Uninit was stored to memory at: [ 1166.215403][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1166.221146][T25713] __msan_chain_origin+0x54/0xa0 [ 1166.226097][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1166.230710][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1166.235662][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1166.240533][T25713] do_syscall_64+0x9f/0x140 [ 1166.245049][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.250946][T25713] [ 1166.253285][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1166.259958][T25713] do_recvmmsg+0xbf/0x22d0 [ 1166.264379][T25713] do_recvmmsg+0xbf/0x22d0 [ 1166.408844][T25752] not chained 1720000 origins [ 1166.413571][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1166.422364][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1166.432423][T25752] Call Trace: [ 1166.435730][T25752] dump_stack+0x24c/0x2e0 [ 1166.440073][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1166.445799][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1166.451001][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1166.456900][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1166.462539][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1166.467776][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1166.473590][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1166.479918][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1166.485142][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1166.490801][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1166.496871][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1166.502178][T25752] ? _copy_from_user+0x1fd/0x300 [ 1166.507129][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1166.512335][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.517296][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.521915][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1166.527567][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1166.532853][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1166.538066][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1166.543222][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.548195][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.553073][T25752] do_syscall_64+0x9f/0x140 [ 1166.557692][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.563594][T25752] RIP: 0033:0x4665d9 [ 1166.567496][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1166.587335][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1166.595759][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1166.603941][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1166.612022][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1166.620698][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1166.628792][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1166.637128][T25752] Uninit was stored to memory at: [ 1166.642323][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1166.648073][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.653128][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.657765][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.662716][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.667710][T25752] do_syscall_64+0x9f/0x140 [ 1166.672316][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.678247][T25752] [ 1166.680565][T25752] Uninit was stored to memory at: [ 1166.685859][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1166.691615][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.696584][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.701227][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.706553][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.711439][T25752] do_syscall_64+0x9f/0x140 [ 1166.716199][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.722135][T25752] [ 1166.724460][T25752] Uninit was stored to memory at: [ 1166.729478][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1166.735267][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.740231][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.744843][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.749806][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.754693][T25752] do_syscall_64+0x9f/0x140 [ 1166.759204][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.765108][T25752] [ 1166.767455][T25752] Uninit was stored to memory at: [ 1166.772458][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1166.778220][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.783177][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.787785][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.795664][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.801152][T25752] do_syscall_64+0x9f/0x140 [ 1166.805677][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.811921][T25752] [ 1166.814246][T25752] Uninit was stored to memory at: [ 1166.819535][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1166.825522][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.830468][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.835077][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.840028][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.844886][T25752] do_syscall_64+0x9f/0x140 [ 1166.849390][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.855730][T25752] [ 1166.858069][T25752] Uninit was stored to memory at: [ 1166.863194][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1166.868930][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.873990][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.878584][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.883636][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.888497][T25752] do_syscall_64+0x9f/0x140 [ 1166.893024][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.898921][T25752] [ 1166.901235][T25752] Uninit was stored to memory at: [ 1166.906262][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1166.911981][T25752] __msan_chain_origin+0x54/0xa0 [ 1166.917010][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1166.921647][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1166.926857][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1166.931736][T25752] do_syscall_64+0x9f/0x140 [ 1166.936255][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1166.942164][T25752] [ 1166.944481][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1166.951156][T25752] do_recvmmsg+0xbf/0x22d0 [ 1166.955612][T25752] do_recvmmsg+0xbf/0x22d0 [ 1167.192346][T25713] not chained 1730000 origins [ 1167.197120][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1167.205900][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1167.215973][T25713] Call Trace: [ 1167.219277][T25713] dump_stack+0x24c/0x2e0 [ 1167.223627][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1167.229452][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1167.234686][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1167.240586][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1167.246752][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1167.251971][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1167.257982][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1167.264062][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1167.269366][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1167.275003][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1167.281072][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1167.286479][T25713] ? _copy_from_user+0x1fd/0x300 [ 1167.291475][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1167.296714][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.301656][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.306322][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1167.312176][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1167.317812][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1167.323096][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1167.329083][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1167.334123][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.339104][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.343958][T25713] do_syscall_64+0x9f/0x140 [ 1167.348602][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.354506][T25713] RIP: 0033:0x4665d9 [ 1167.358405][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1167.378027][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1167.386468][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1167.394459][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1167.402433][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1167.410427][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1167.418409][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1167.426399][T25713] Uninit was stored to memory at: [ 1167.431436][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1167.437157][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.442093][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.446818][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.451753][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.456617][T25713] do_syscall_64+0x9f/0x140 [ 1167.461123][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.467037][T25713] [ 1167.469367][T25713] Uninit was stored to memory at: [ 1167.474380][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1167.480119][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.485234][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.489824][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.494879][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.499748][T25713] do_syscall_64+0x9f/0x140 [ 1167.504248][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.510139][T25713] [ 1167.512468][T25713] Uninit was stored to memory at: [ 1167.517470][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1167.523551][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.528501][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.533092][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.538032][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.542899][T25713] do_syscall_64+0x9f/0x140 [ 1167.547419][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.553359][T25713] [ 1167.555691][T25713] Uninit was stored to memory at: [ 1167.560694][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1167.566412][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.571381][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.575996][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.581060][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.586040][T25713] do_syscall_64+0x9f/0x140 [ 1167.590551][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.596445][T25713] [ 1167.598784][T25713] Uninit was stored to memory at: [ 1167.603789][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1167.609545][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.614491][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.619126][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.624072][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.628923][T25713] do_syscall_64+0x9f/0x140 [ 1167.633586][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.639678][T25713] [ 1167.642002][T25713] Uninit was stored to memory at: [ 1167.647025][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1167.652928][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.657889][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.662482][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.667420][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.672297][T25713] do_syscall_64+0x9f/0x140 [ 1167.676808][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.682702][T25713] [ 1167.685023][T25713] Uninit was stored to memory at: [ 1167.690129][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1167.695969][T25713] __msan_chain_origin+0x54/0xa0 [ 1167.700910][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1167.705547][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1167.710493][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1167.715362][T25713] do_syscall_64+0x9f/0x140 [ 1167.719888][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1167.725782][T25713] [ 1167.728105][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1167.734766][T25713] do_recvmmsg+0xbf/0x22d0 [ 1167.739187][T25713] do_recvmmsg+0xbf/0x22d0 [ 1167.901386][T25752] not chained 1740000 origins [ 1167.906121][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1167.914878][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1167.924937][T25752] Call Trace: [ 1167.928279][T25752] dump_stack+0x24c/0x2e0 [ 1167.932631][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1167.938362][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1167.943591][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1167.949502][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1167.955187][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1167.960418][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1167.966244][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1167.972363][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1167.977572][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1167.983227][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1167.990014][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1167.995299][T25752] ? _copy_from_user+0x1fd/0x300 [ 1168.000236][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1168.005643][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.010639][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.015262][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1168.020944][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1168.026389][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1168.031626][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1168.036664][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.041711][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.046565][T25752] do_syscall_64+0x9f/0x140 [ 1168.051224][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.057247][T25752] RIP: 0033:0x4665d9 [ 1168.061155][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1168.080867][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1168.089302][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1168.097412][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1168.105382][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1168.113369][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1168.121348][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1168.129459][T25752] Uninit was stored to memory at: [ 1168.134560][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1168.140292][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.145245][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.149852][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.154802][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.159656][T25752] do_syscall_64+0x9f/0x140 [ 1168.164162][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.170052][T25752] [ 1168.172369][T25752] Uninit was stored to memory at: [ 1168.177384][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1168.183171][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.188112][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.192707][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.197916][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.203056][T25752] do_syscall_64+0x9f/0x140 [ 1168.207619][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.213522][T25752] [ 1168.215866][T25752] Uninit was stored to memory at: [ 1168.220866][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1168.226590][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.231546][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.236139][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.241074][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.245924][T25752] do_syscall_64+0x9f/0x140 [ 1168.250575][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.256490][T25752] [ 1168.258825][T25752] Uninit was stored to memory at: [ 1168.263845][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1168.269629][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.274574][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.279260][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.284206][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.289065][T25752] do_syscall_64+0x9f/0x140 [ 1168.293577][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.299477][T25752] [ 1168.301812][T25752] Uninit was stored to memory at: [ 1168.306823][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1168.312588][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.317533][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.322131][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.327090][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.332013][T25752] do_syscall_64+0x9f/0x140 [ 1168.336538][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.342461][T25752] [ 1168.344775][T25752] Uninit was stored to memory at: [ 1168.349793][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1168.355520][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.360479][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.365089][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.370127][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.374980][T25752] do_syscall_64+0x9f/0x140 [ 1168.379641][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.385580][T25752] [ 1168.387899][T25752] Uninit was stored to memory at: [ 1168.392908][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1168.398631][T25752] __msan_chain_origin+0x54/0xa0 [ 1168.403572][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1168.408165][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1168.413122][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1168.418066][T25752] do_syscall_64+0x9f/0x140 [ 1168.422604][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.428524][T25752] [ 1168.430854][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1168.437525][T25752] do_recvmmsg+0xbf/0x22d0 [ 1168.441960][T25752] do_recvmmsg+0xbf/0x22d0 [ 1168.631643][T25713] not chained 1750000 origins [ 1168.636735][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1168.645501][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1168.655728][T25713] Call Trace: [ 1168.659014][T25713] dump_stack+0x24c/0x2e0 [ 1168.663355][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1168.672160][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1168.677390][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1168.683316][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1168.689048][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1168.694287][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1168.700119][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1168.706291][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1168.711519][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1168.717247][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1168.723336][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1168.728675][T25713] ? _copy_from_user+0x1fd/0x300 [ 1168.733650][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1168.739120][T25713] __msan_chain_origin+0x54/0xa0 [ 1168.744094][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1168.748712][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1168.754527][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1168.760206][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1168.765519][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1168.771612][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1168.776645][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1168.781606][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1168.786488][T25713] do_syscall_64+0x9f/0x140 [ 1168.791021][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.796977][T25713] RIP: 0033:0x4665d9 [ 1168.800872][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1168.820869][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1168.829305][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1168.837284][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1168.845278][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1168.853358][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1168.861368][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1168.869408][T25713] Uninit was stored to memory at: [ 1168.874460][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1168.880187][T25713] __msan_chain_origin+0x54/0xa0 [ 1168.885144][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1168.889845][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1168.894790][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1168.899642][T25713] do_syscall_64+0x9f/0x140 [ 1168.904923][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.910823][T25713] [ 1168.913144][T25713] Uninit was stored to memory at: [ 1168.918156][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1168.923899][T25713] __msan_chain_origin+0x54/0xa0 [ 1168.928905][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1168.933990][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1168.938942][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1168.943829][T25713] do_syscall_64+0x9f/0x140 [ 1168.948355][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.954311][T25713] [ 1168.956689][T25713] Uninit was stored to memory at: [ 1168.961781][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1168.967614][T25713] __msan_chain_origin+0x54/0xa0 [ 1168.972559][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1168.977182][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1168.982131][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1168.986984][T25713] do_syscall_64+0x9f/0x140 [ 1168.991488][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1168.997379][T25713] [ 1168.999715][T25713] Uninit was stored to memory at: [ 1169.004830][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1169.010745][T25713] __msan_chain_origin+0x54/0xa0 [ 1169.015708][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1169.020307][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1169.025261][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1169.030394][T25713] do_syscall_64+0x9f/0x140 [ 1169.034908][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.040829][T25713] [ 1169.043240][T25713] Uninit was stored to memory at: [ 1169.048271][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1169.054046][T25713] __msan_chain_origin+0x54/0xa0 [ 1169.058989][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1169.063616][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1169.068591][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1169.073479][T25713] do_syscall_64+0x9f/0x140 [ 1169.077994][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.083891][T25713] [ 1169.086209][T25713] Uninit was stored to memory at: [ 1169.091215][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1169.096942][T25713] __msan_chain_origin+0x54/0xa0 [ 1169.102140][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1169.106764][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1169.111713][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1169.116587][T25713] do_syscall_64+0x9f/0x140 [ 1169.121098][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.127021][T25713] [ 1169.129361][T25713] Uninit was stored to memory at: [ 1169.134397][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1169.140124][T25713] __msan_chain_origin+0x54/0xa0 [ 1169.145069][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1169.149667][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1169.154616][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1169.159484][T25713] do_syscall_64+0x9f/0x140 [ 1169.164020][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.170183][T25713] [ 1169.172520][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1169.179330][T25713] do_recvmmsg+0xbf/0x22d0 [ 1169.183844][T25713] do_recvmmsg+0xbf/0x22d0 [ 1169.337666][T25752] not chained 1760000 origins [ 1169.342463][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1169.351234][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1169.361296][T25752] Call Trace: [ 1169.364577][T25752] dump_stack+0x24c/0x2e0 [ 1169.368926][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1169.374653][T25752] ? exc_page_fault+0x45/0x50 [ 1169.379355][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1169.384646][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1169.390544][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1169.396184][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1169.401391][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1169.407283][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1169.413504][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1169.418828][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1169.424471][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1169.430558][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1169.435858][T25752] ? _copy_from_user+0x1fd/0x300 [ 1169.440796][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1169.445998][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.451084][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.455692][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1169.461342][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1169.466664][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1169.471974][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1169.477114][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.482071][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.486940][T25752] do_syscall_64+0x9f/0x140 [ 1169.491469][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.498077][T25752] RIP: 0033:0x4665d9 [ 1169.501998][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1169.521646][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1169.530354][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1169.538424][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1169.546592][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1169.554593][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1169.562565][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1169.571105][T25752] Uninit was stored to memory at: [ 1169.576160][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1169.582227][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.587176][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.591795][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.596729][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.601594][T25752] do_syscall_64+0x9f/0x140 [ 1169.606579][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.612514][T25752] [ 1169.614988][T25752] Uninit was stored to memory at: [ 1169.621048][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1169.626865][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.631817][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.636448][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.641410][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.646285][T25752] do_syscall_64+0x9f/0x140 [ 1169.650812][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.656722][T25752] [ 1169.659042][T25752] Uninit was stored to memory at: [ 1169.664048][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1169.669901][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.675528][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.680148][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.685097][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.689969][T25752] do_syscall_64+0x9f/0x140 [ 1169.695105][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.701589][T25752] [ 1169.704005][T25752] Uninit was stored to memory at: [ 1169.709026][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1169.715172][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.720135][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.724744][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.729879][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.734770][T25752] do_syscall_64+0x9f/0x140 [ 1169.739302][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.745306][T25752] [ 1169.747645][T25752] Uninit was stored to memory at: [ 1169.753452][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1169.759789][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.764760][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.769871][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.775292][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.780298][T25752] do_syscall_64+0x9f/0x140 [ 1169.784814][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.790804][T25752] [ 1169.793403][T25752] Uninit was stored to memory at: [ 1169.798539][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1169.804283][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.809360][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.813965][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.819543][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.824552][T25752] do_syscall_64+0x9f/0x140 [ 1169.829068][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.835095][T25752] [ 1169.837426][T25752] Uninit was stored to memory at: [ 1169.842435][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1169.848255][T25752] __msan_chain_origin+0x54/0xa0 [ 1169.853193][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1169.857801][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1169.862761][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1169.867615][T25752] do_syscall_64+0x9f/0x140 [ 1169.872124][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1169.878040][T25752] [ 1169.880357][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1169.887131][T25752] do_recvmmsg+0xbf/0x22d0 [ 1169.891581][T25752] do_recvmmsg+0xbf/0x22d0 [ 1170.072515][T25713] not chained 1770000 origins [ 1170.077350][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1170.087136][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1170.097217][T25713] Call Trace: [ 1170.100613][T25713] dump_stack+0x24c/0x2e0 [ 1170.104947][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1170.110803][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1170.117109][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1170.123096][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1170.128836][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1170.134055][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1170.139977][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1170.146068][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1170.151280][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1170.156951][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1170.163208][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1170.169206][T25713] ? _copy_from_user+0x1fd/0x300 [ 1170.174169][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1170.179387][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.184333][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.188947][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1170.194766][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1170.200881][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1170.206287][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1170.212394][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1170.217450][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.222391][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.227276][T25713] do_syscall_64+0x9f/0x140 [ 1170.231816][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.237915][T25713] RIP: 0033:0x4665d9 [ 1170.241828][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1170.261457][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1170.270152][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1170.278236][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1170.286235][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1170.294213][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1170.302208][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1170.310210][T25713] Uninit was stored to memory at: [ 1170.315240][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1170.320969][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.325915][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.330505][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.335446][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.340316][T25713] do_syscall_64+0x9f/0x140 [ 1170.344822][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.350739][T25713] [ 1170.353053][T25713] Uninit was stored to memory at: [ 1170.358056][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1170.363786][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.368816][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.373511][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.378475][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.383349][T25713] do_syscall_64+0x9f/0x140 [ 1170.388336][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.394255][T25713] [ 1170.396568][T25713] Uninit was stored to memory at: [ 1170.401587][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1170.407307][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.412287][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.416895][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.421847][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.426702][T25713] do_syscall_64+0x9f/0x140 [ 1170.431201][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.437085][T25713] [ 1170.439518][T25713] Uninit was stored to memory at: [ 1170.444525][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1170.450246][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.455180][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.459765][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.464701][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.469547][T25713] do_syscall_64+0x9f/0x140 [ 1170.474046][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.479936][T25713] [ 1170.482268][T25713] Uninit was stored to memory at: [ 1170.487287][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1170.493006][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.497940][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.502615][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.508161][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.513044][T25713] do_syscall_64+0x9f/0x140 [ 1170.517547][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.523524][T25713] [ 1170.525853][T25713] Uninit was stored to memory at: [ 1170.530870][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1170.536592][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.541544][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.546129][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.551081][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.555935][T25713] do_syscall_64+0x9f/0x140 [ 1170.560435][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.566339][T25713] [ 1170.568653][T25713] Uninit was stored to memory at: [ 1170.573667][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1170.579473][T25713] __msan_chain_origin+0x54/0xa0 [ 1170.584416][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1170.589011][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1170.593956][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1170.598811][T25713] do_syscall_64+0x9f/0x140 [ 1170.603546][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.609994][T25713] [ 1170.612318][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1170.619206][T25713] do_recvmmsg+0xbf/0x22d0 [ 1170.623683][T25713] do_recvmmsg+0xbf/0x22d0 [ 1170.780666][T25752] not chained 1780000 origins [ 1170.785480][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1170.794239][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1170.804456][T25752] Call Trace: [ 1170.807843][T25752] dump_stack+0x24c/0x2e0 [ 1170.812180][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1170.817915][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1170.823484][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1170.829471][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1170.835120][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1170.840331][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1170.846252][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1170.852325][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1170.857633][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1170.863296][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1170.869427][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1170.874822][T25752] ? _copy_from_user+0x1fd/0x300 [ 1170.879779][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1170.884972][T25752] __msan_chain_origin+0x54/0xa0 [ 1170.889928][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1170.894527][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1170.900159][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1170.905444][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1170.910645][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1170.915677][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1170.920638][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1170.925494][T25752] do_syscall_64+0x9f/0x140 [ 1170.930004][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1170.935917][T25752] RIP: 0033:0x4665d9 [ 1170.939827][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1170.959432][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1170.967965][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1170.976049][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1170.984030][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1170.992000][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1170.999972][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1171.007949][T25752] Uninit was stored to memory at: [ 1171.012960][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1171.018690][T25752] __msan_chain_origin+0x54/0xa0 [ 1171.023623][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1171.028213][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1171.033156][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1171.038019][T25752] do_syscall_64+0x9f/0x140 [ 1171.042623][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.048606][T25752] [ 1171.050934][T25752] Uninit was stored to memory at: [ 1171.055951][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1171.061668][T25752] __msan_chain_origin+0x54/0xa0 [ 1171.066615][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1171.071380][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1171.076343][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1171.081192][T25752] do_syscall_64+0x9f/0x140 [ 1171.085713][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.091612][T25752] [ 1171.093963][T25752] Uninit was stored to memory at: [ 1171.098963][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1171.104679][T25752] __msan_chain_origin+0x54/0xa0 [ 1171.109619][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1171.114241][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1171.119266][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1171.124114][T25752] do_syscall_64+0x9f/0x140 [ 1171.129165][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.135076][T25752] [ 1171.137401][T25752] Uninit was stored to memory at: [ 1171.142415][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1171.148141][T25752] __msan_chain_origin+0x54/0xa0 [ 1171.154304][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1171.158909][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1171.164109][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1171.168982][T25752] do_syscall_64+0x9f/0x140 [ 1171.173590][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.179484][T25752] [ 1171.181799][T25752] Uninit was stored to memory at: [ 1171.186812][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1171.192952][T25752] __msan_chain_origin+0x54/0xa0 [ 1171.197893][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1171.202482][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1171.207431][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1171.212417][T25752] do_syscall_64+0x9f/0x140 [ 1171.217008][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.222898][T25752] [ 1171.225223][T25752] Uninit was stored to memory at: [ 1171.230451][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1171.236193][T25752] __msan_chain_origin+0x54/0xa0 [ 1171.241130][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1171.245734][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1171.250685][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1171.255534][T25752] do_syscall_64+0x9f/0x140 [ 1171.260048][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.265935][T25752] [ 1171.268250][T25752] Uninit was stored to memory at: [ 1171.273725][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1171.279555][T25752] __msan_chain_origin+0x54/0xa0 [ 1171.284495][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1171.289087][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1171.294034][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1171.298894][T25752] do_syscall_64+0x9f/0x140 [ 1171.303395][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.309610][T25752] [ 1171.311932][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1171.318608][T25752] do_recvmmsg+0xbf/0x22d0 [ 1171.323049][T25752] do_recvmmsg+0xbf/0x22d0 [ 1171.490245][T25713] not chained 1790000 origins [ 1171.495122][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1171.503874][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1171.514112][T25713] Call Trace: [ 1171.517405][T25713] dump_stack+0x24c/0x2e0 [ 1171.521735][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1171.528332][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1171.533638][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1171.539540][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1171.545461][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1171.550672][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1171.556497][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1171.562623][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1171.567830][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1171.573652][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1171.583295][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1171.588616][T25713] ? _copy_from_user+0x1fd/0x300 [ 1171.593569][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1171.598773][T25713] __msan_chain_origin+0x54/0xa0 [ 1171.603855][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1171.608456][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1171.614464][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1171.622901][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1171.628213][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1171.634203][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1171.639259][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1171.644294][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1171.649406][T25713] do_syscall_64+0x9f/0x140 [ 1171.653926][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.659816][T25713] RIP: 0033:0x4665d9 [ 1171.663764][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1171.684291][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1171.692813][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1171.700815][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1171.708955][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1171.717169][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1171.725778][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1171.733866][T25713] Uninit was stored to memory at: [ 1171.738905][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1171.744664][T25713] __msan_chain_origin+0x54/0xa0 [ 1171.749628][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1171.754226][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1171.759167][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1171.764035][T25713] do_syscall_64+0x9f/0x140 [ 1171.768554][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.774447][T25713] [ 1171.776822][T25713] Uninit was stored to memory at: [ 1171.781861][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1171.787583][T25713] __msan_chain_origin+0x54/0xa0 [ 1171.792520][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1171.797111][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1171.802068][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1171.806926][T25713] do_syscall_64+0x9f/0x140 [ 1171.811441][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.817370][T25713] [ 1171.819705][T25713] Uninit was stored to memory at: [ 1171.824730][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1171.830633][T25713] __msan_chain_origin+0x54/0xa0 [ 1171.835572][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1171.840160][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1171.845107][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1171.849951][T25713] do_syscall_64+0x9f/0x140 [ 1171.854461][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.860361][T25713] [ 1171.862685][T25713] Uninit was stored to memory at: [ 1171.867683][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1171.873411][T25713] __msan_chain_origin+0x54/0xa0 [ 1171.878375][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1171.882953][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1171.888064][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1171.892923][T25713] do_syscall_64+0x9f/0x140 [ 1171.897443][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.903350][T25713] [ 1171.905681][T25713] Uninit was stored to memory at: [ 1171.910692][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1171.916407][T25713] __msan_chain_origin+0x54/0xa0 [ 1171.921368][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1171.925971][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1171.930911][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1171.935775][T25713] do_syscall_64+0x9f/0x140 [ 1171.940276][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.946174][T25713] [ 1171.948493][T25713] Uninit was stored to memory at: [ 1171.953520][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1171.959447][T25713] __msan_chain_origin+0x54/0xa0 [ 1171.964398][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1171.969017][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1171.973948][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1171.978810][T25713] do_syscall_64+0x9f/0x140 [ 1171.983335][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1171.989327][T25713] [ 1171.991655][T25713] Uninit was stored to memory at: [ 1171.996675][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1172.002477][T25713] __msan_chain_origin+0x54/0xa0 [ 1172.007419][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1172.012114][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1172.017049][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1172.021913][T25713] do_syscall_64+0x9f/0x140 [ 1172.026414][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.032313][T25713] [ 1172.034635][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1172.041308][T25713] do_recvmmsg+0xbf/0x22d0 [ 1172.045832][T25713] do_recvmmsg+0xbf/0x22d0 [ 1172.238236][T25752] not chained 1800000 origins [ 1172.242951][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1172.251715][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1172.261787][T25752] Call Trace: [ 1172.265067][T25752] dump_stack+0x24c/0x2e0 [ 1172.269409][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1172.275129][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1172.280354][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1172.286257][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1172.291880][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1172.297070][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1172.302864][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1172.308993][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1172.314441][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1172.320230][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1172.326317][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1172.331604][T25752] ? _copy_from_user+0x1fd/0x300 [ 1172.336550][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1172.341777][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.346722][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.351348][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1172.357021][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1172.362304][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1172.367526][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1172.372648][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.377604][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.382470][T25752] do_syscall_64+0x9f/0x140 [ 1172.387003][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.392891][T25752] RIP: 0033:0x4665d9 [ 1172.396794][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1172.416501][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1172.424915][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1172.432914][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1172.440898][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1172.448880][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1172.456946][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1172.464946][T25752] Uninit was stored to memory at: [ 1172.469959][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1172.475699][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.480651][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.485251][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.490274][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.495135][T25752] do_syscall_64+0x9f/0x140 [ 1172.499638][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.505532][T25752] [ 1172.507869][T25752] Uninit was stored to memory at: [ 1172.512967][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1172.518691][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.523640][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.528324][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.533264][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.538140][T25752] do_syscall_64+0x9f/0x140 [ 1172.542658][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.548544][T25752] [ 1172.550855][T25752] Uninit was stored to memory at: [ 1172.555860][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1172.561605][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.566562][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.571269][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.576240][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.581095][T25752] do_syscall_64+0x9f/0x140 [ 1172.585606][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.591503][T25752] [ 1172.593819][T25752] Uninit was stored to memory at: [ 1172.598956][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1172.604684][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.609664][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.614281][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.619226][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.624074][T25752] do_syscall_64+0x9f/0x140 [ 1172.628585][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.634472][T25752] [ 1172.636784][T25752] Uninit was stored to memory at: [ 1172.641797][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1172.647543][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.653103][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.657691][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.662640][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.667532][T25752] do_syscall_64+0x9f/0x140 [ 1172.672056][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.677961][T25752] [ 1172.680276][T25752] Uninit was stored to memory at: [ 1172.685288][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1172.691013][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.695953][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.700683][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.705624][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.710604][T25752] do_syscall_64+0x9f/0x140 [ 1172.715134][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.721116][T25752] [ 1172.723436][T25752] Uninit was stored to memory at: [ 1172.728458][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1172.734904][T25752] __msan_chain_origin+0x54/0xa0 [ 1172.739862][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1172.744512][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1172.749596][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1172.754474][T25752] do_syscall_64+0x9f/0x140 [ 1172.758984][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1172.764877][T25752] [ 1172.767623][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1172.774287][T25752] do_recvmmsg+0xbf/0x22d0 [ 1172.778702][T25752] do_recvmmsg+0xbf/0x22d0 [ 1172.958946][T25713] not chained 1810000 origins [ 1172.963663][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1172.972442][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1172.982505][T25713] Call Trace: [ 1172.985804][T25713] dump_stack+0x24c/0x2e0 [ 1172.990134][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1172.995868][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1173.001062][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1173.007147][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1173.012780][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1173.018024][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1173.023984][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1173.030059][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1173.035281][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1173.041001][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1173.047284][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1173.052755][T25713] ? _copy_from_user+0x1fd/0x300 [ 1173.057752][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1173.062955][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.067897][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.072515][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1173.078334][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1173.083982][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1173.089280][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1173.095296][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1173.100352][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.105425][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.110499][T25713] do_syscall_64+0x9f/0x140 [ 1173.115022][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.120924][T25713] RIP: 0033:0x4665d9 [ 1173.124850][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1173.144699][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1173.153178][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1173.161157][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1173.169135][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1173.177258][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1173.185239][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1173.193249][T25713] Uninit was stored to memory at: [ 1173.198286][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1173.204443][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.209398][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.214028][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.218962][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.224783][T25713] do_syscall_64+0x9f/0x140 [ 1173.229511][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.235409][T25713] [ 1173.237729][T25713] Uninit was stored to memory at: [ 1173.242877][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1173.248606][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.253544][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.258145][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.263265][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.268288][T25713] do_syscall_64+0x9f/0x140 [ 1173.272804][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.278727][T25713] [ 1173.281045][T25713] Uninit was stored to memory at: [ 1173.286157][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1173.291878][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.297182][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.301827][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.306772][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.311638][T25713] do_syscall_64+0x9f/0x140 [ 1173.316147][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.322038][T25713] [ 1173.324364][T25713] Uninit was stored to memory at: [ 1173.329376][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1173.335123][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.340062][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.344660][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.349614][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.354746][T25713] do_syscall_64+0x9f/0x140 [ 1173.359282][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.365189][T25713] [ 1173.367507][T25713] Uninit was stored to memory at: [ 1173.372519][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1173.378277][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.383390][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.387999][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.392936][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.397784][T25713] do_syscall_64+0x9f/0x140 [ 1173.402284][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.408392][T25713] [ 1173.411085][T25713] Uninit was stored to memory at: [ 1173.416132][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1173.421854][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.426878][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.431532][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.436506][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.441358][T25713] do_syscall_64+0x9f/0x140 [ 1173.445876][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.451798][T25713] [ 1173.454114][T25713] Uninit was stored to memory at: [ 1173.459120][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1173.464838][T25713] __msan_chain_origin+0x54/0xa0 [ 1173.469901][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1173.474533][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1173.479487][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1173.484369][T25713] do_syscall_64+0x9f/0x140 [ 1173.488876][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.496000][T25713] [ 1173.498326][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1173.504980][T25713] do_recvmmsg+0xbf/0x22d0 [ 1173.509412][T25713] do_recvmmsg+0xbf/0x22d0 [ 1173.667875][T25752] not chained 1820000 origins [ 1173.672710][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1173.681493][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1173.691553][T25752] Call Trace: [ 1173.694838][T25752] dump_stack+0x24c/0x2e0 [ 1173.699172][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1173.704897][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1173.710195][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1173.716116][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1173.721760][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1173.726986][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1173.732819][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1173.738949][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1173.744174][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1173.749830][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1173.755925][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1173.761314][T25752] ? _copy_from_user+0x1fd/0x300 [ 1173.766271][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1173.771474][T25752] __msan_chain_origin+0x54/0xa0 [ 1173.776414][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1173.781015][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1173.786648][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1173.791954][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1173.797187][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1173.802407][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1173.807383][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1173.812246][T25752] do_syscall_64+0x9f/0x140 [ 1173.816774][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.822671][T25752] RIP: 0033:0x4665d9 [ 1173.826574][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1173.846366][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1173.854811][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1173.863931][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1173.871977][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1173.880039][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1173.888018][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1173.896011][T25752] Uninit was stored to memory at: [ 1173.901022][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1173.906739][T25752] __msan_chain_origin+0x54/0xa0 [ 1173.911670][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1173.916258][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1173.921196][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1173.926048][T25752] do_syscall_64+0x9f/0x140 [ 1173.930708][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.936631][T25752] [ 1173.938954][T25752] Uninit was stored to memory at: [ 1173.943960][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1173.949704][T25752] __msan_chain_origin+0x54/0xa0 [ 1173.954653][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1173.959266][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1173.964217][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1173.969082][T25752] do_syscall_64+0x9f/0x140 [ 1173.973599][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1173.979495][T25752] [ 1173.981845][T25752] Uninit was stored to memory at: [ 1173.989568][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1173.995322][T25752] __msan_chain_origin+0x54/0xa0 [ 1174.000260][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1174.004865][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1174.009905][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1174.014777][T25752] do_syscall_64+0x9f/0x140 [ 1174.019288][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.025179][T25752] [ 1174.027491][T25752] Uninit was stored to memory at: [ 1174.032492][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1174.038228][T25752] __msan_chain_origin+0x54/0xa0 [ 1174.043164][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1174.047828][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1174.052775][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1174.057642][T25752] do_syscall_64+0x9f/0x140 [ 1174.062148][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.068049][T25752] [ 1174.070372][T25752] Uninit was stored to memory at: [ 1174.075461][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1174.081184][T25752] __msan_chain_origin+0x54/0xa0 [ 1174.086151][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1174.090745][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1174.095684][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1174.100550][T25752] do_syscall_64+0x9f/0x140 [ 1174.105076][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.110984][T25752] [ 1174.113325][T25752] Uninit was stored to memory at: [ 1174.118364][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1174.124107][T25752] __msan_chain_origin+0x54/0xa0 [ 1174.129061][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1174.133682][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1174.138650][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1174.143526][T25752] do_syscall_64+0x9f/0x140 [ 1174.148055][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.153964][T25752] [ 1174.156282][T25752] Uninit was stored to memory at: [ 1174.161764][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1174.167503][T25752] __msan_chain_origin+0x54/0xa0 [ 1174.172478][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1174.177090][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1174.182812][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1174.187801][T25752] do_syscall_64+0x9f/0x140 [ 1174.192338][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.198242][T25752] [ 1174.200564][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1174.207229][T25752] do_recvmmsg+0xbf/0x22d0 [ 1174.211654][T25752] do_recvmmsg+0xbf/0x22d0 [ 1174.391802][T25713] not chained 1830000 origins [ 1174.396524][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1174.405307][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1174.415540][T25713] Call Trace: [ 1174.418843][T25713] dump_stack+0x24c/0x2e0 [ 1174.423241][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1174.429011][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1174.434270][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1174.440217][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1174.445867][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1174.451234][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1174.457082][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1174.464572][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1174.469934][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1174.475603][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1174.481693][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1174.487515][T25713] ? _copy_from_user+0x1fd/0x300 [ 1174.492463][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1174.497713][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.502681][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.507290][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1174.513155][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1174.518812][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1174.524396][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1174.530425][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1174.535739][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.540698][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.545590][T25713] do_syscall_64+0x9f/0x140 [ 1174.550110][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.556013][T25713] RIP: 0033:0x4665d9 [ 1174.559915][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1174.581795][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1174.590591][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1174.598702][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1174.607037][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1174.615134][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1174.623204][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1174.631219][T25713] Uninit was stored to memory at: [ 1174.636258][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1174.642114][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.647075][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.651820][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.656764][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.661630][T25713] do_syscall_64+0x9f/0x140 [ 1174.666155][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.672157][T25713] [ 1174.674492][T25713] Uninit was stored to memory at: [ 1174.679585][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1174.685308][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.690253][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.695198][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.700140][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.705469][T25713] do_syscall_64+0x9f/0x140 [ 1174.710140][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.716197][T25713] [ 1174.718521][T25713] Uninit was stored to memory at: [ 1174.723537][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1174.729386][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.734343][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.738955][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.744183][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.749159][T25713] do_syscall_64+0x9f/0x140 [ 1174.753936][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.759854][T25713] [ 1174.762198][T25713] Uninit was stored to memory at: [ 1174.767201][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1174.772939][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.777909][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.782644][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.787627][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.792679][T25713] do_syscall_64+0x9f/0x140 [ 1174.797188][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.803099][T25713] [ 1174.805427][T25713] Uninit was stored to memory at: [ 1174.810460][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1174.817487][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.822603][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.827226][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.832251][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.837105][T25713] do_syscall_64+0x9f/0x140 [ 1174.842147][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.848037][T25713] [ 1174.850365][T25713] Uninit was stored to memory at: [ 1174.855368][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1174.861100][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.866054][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.870754][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.875687][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.880552][T25713] do_syscall_64+0x9f/0x140 [ 1174.885061][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.890949][T25713] [ 1174.893358][T25713] Uninit was stored to memory at: [ 1174.898541][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1174.904269][T25713] __msan_chain_origin+0x54/0xa0 [ 1174.909206][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1174.913821][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1174.919017][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1174.923870][T25713] do_syscall_64+0x9f/0x140 [ 1174.928393][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1174.934389][T25713] [ 1174.936709][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1174.943377][T25713] do_recvmmsg+0xbf/0x22d0 [ 1174.947916][T25713] do_recvmmsg+0xbf/0x22d0 [ 1175.097684][T25752] not chained 1840000 origins [ 1175.102384][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1175.111159][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1175.121220][T25752] Call Trace: [ 1175.124676][T25752] dump_stack+0x24c/0x2e0 [ 1175.129042][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1175.135129][T25752] ? exc_page_fault+0x45/0x50 [ 1175.139821][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1175.145151][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1175.151062][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1175.156727][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1175.161957][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1175.167779][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1175.173876][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1175.179105][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1175.184753][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1175.190829][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1175.196130][T25752] ? _copy_from_user+0x1fd/0x300 [ 1175.201079][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1175.206294][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.211268][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.215874][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1175.222426][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1175.227806][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1175.233009][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1175.238049][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.243042][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.247937][T25752] do_syscall_64+0x9f/0x140 [ 1175.252450][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.258428][T25752] RIP: 0033:0x4665d9 [ 1175.262329][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1175.282233][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1175.290701][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1175.298677][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1175.306803][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1175.314780][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1175.323031][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1175.331274][T25752] Uninit was stored to memory at: [ 1175.336304][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1175.342052][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.347225][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.351834][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.356794][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.361665][T25752] do_syscall_64+0x9f/0x140 [ 1175.366172][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.372090][T25752] [ 1175.374427][T25752] Uninit was stored to memory at: [ 1175.379434][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1175.385175][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.390148][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.394767][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.399728][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.404580][T25752] do_syscall_64+0x9f/0x140 [ 1175.409129][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.415027][T25752] [ 1175.417451][T25752] Uninit was stored to memory at: [ 1175.422479][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1175.428294][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.433252][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.437897][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.442846][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.447702][T25752] do_syscall_64+0x9f/0x140 [ 1175.452231][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.458140][T25752] [ 1175.460481][T25752] Uninit was stored to memory at: [ 1175.465660][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1175.471380][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.476369][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.481293][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.486257][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.491272][T25752] do_syscall_64+0x9f/0x140 [ 1175.495817][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.501711][T25752] [ 1175.504025][T25752] Uninit was stored to memory at: [ 1175.509042][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1175.514763][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.519717][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.524310][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.529284][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.534139][T25752] do_syscall_64+0x9f/0x140 [ 1175.538667][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.544581][T25752] [ 1175.546913][T25752] Uninit was stored to memory at: [ 1175.551918][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1175.557904][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.562863][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.567477][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.572435][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.577340][T25752] do_syscall_64+0x9f/0x140 [ 1175.581876][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.587790][T25752] [ 1175.590107][T25752] Uninit was stored to memory at: [ 1175.595130][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1175.600972][T25752] __msan_chain_origin+0x54/0xa0 [ 1175.606096][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1175.610699][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1175.616004][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1175.620874][T25752] do_syscall_64+0x9f/0x140 [ 1175.625574][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.631587][T25752] [ 1175.633910][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1175.640581][T25752] do_recvmmsg+0xbf/0x22d0 [ 1175.645009][T25752] do_recvmmsg+0xbf/0x22d0 [ 1175.826577][T25713] not chained 1850000 origins [ 1175.831450][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1175.840235][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1175.851045][T25713] Call Trace: [ 1175.854355][T25713] dump_stack+0x24c/0x2e0 [ 1175.858701][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1175.864432][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1175.870253][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1175.876324][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1175.882093][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1175.887303][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1175.893135][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1175.899218][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1175.904463][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1175.910097][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1175.916531][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1175.921822][T25713] ? _copy_from_user+0x1fd/0x300 [ 1175.926780][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1175.931998][T25713] __msan_chain_origin+0x54/0xa0 [ 1175.936960][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1175.941574][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1175.947396][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1175.953072][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1175.958399][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1175.964399][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1175.969446][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1175.974391][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1175.979249][T25713] do_syscall_64+0x9f/0x140 [ 1175.983764][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1175.989677][T25713] RIP: 0033:0x4665d9 [ 1175.993570][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1176.013195][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1176.021616][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1176.029674][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1176.037670][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1176.045748][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1176.053850][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1176.061826][T25713] Uninit was stored to memory at: [ 1176.066837][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1176.072570][T25713] __msan_chain_origin+0x54/0xa0 [ 1176.077509][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1176.082113][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1176.087111][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1176.091999][T25713] do_syscall_64+0x9f/0x140 [ 1176.096520][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.102425][T25713] [ 1176.104740][T25713] Uninit was stored to memory at: [ 1176.109749][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1176.115494][T25713] __msan_chain_origin+0x54/0xa0 [ 1176.120437][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1176.125077][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1176.130026][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1176.134899][T25713] do_syscall_64+0x9f/0x140 [ 1176.139417][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.145438][T25713] [ 1176.147751][T25713] Uninit was stored to memory at: [ 1176.152771][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1176.158493][T25713] __msan_chain_origin+0x54/0xa0 [ 1176.163439][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1176.168045][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1176.172990][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1176.178284][T25713] do_syscall_64+0x9f/0x140 [ 1176.182833][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.188797][T25713] [ 1176.191213][T25713] Uninit was stored to memory at: [ 1176.196313][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1176.202040][T25713] __msan_chain_origin+0x54/0xa0 [ 1176.206991][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1176.211583][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1176.216533][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1176.221382][T25713] do_syscall_64+0x9f/0x140 [ 1176.225995][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.231904][T25713] [ 1176.234226][T25713] Uninit was stored to memory at: [ 1176.239266][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1176.244992][T25713] __msan_chain_origin+0x54/0xa0 [ 1176.249952][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1176.254659][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1176.259604][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1176.264474][T25713] do_syscall_64+0x9f/0x140 [ 1176.268978][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.274870][T25713] [ 1176.277184][T25713] Uninit was stored to memory at: [ 1176.282202][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1176.287935][T25713] __msan_chain_origin+0x54/0xa0 [ 1176.292891][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1176.297485][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1176.302427][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1176.307323][T25713] do_syscall_64+0x9f/0x140 [ 1176.311836][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.317762][T25713] [ 1176.320147][T25713] Uninit was stored to memory at: [ 1176.325165][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1176.330919][T25713] __msan_chain_origin+0x54/0xa0 [ 1176.336150][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1176.340747][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1176.345694][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1176.350602][T25713] do_syscall_64+0x9f/0x140 [ 1176.355115][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.361031][T25713] [ 1176.363352][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1176.370041][T25713] do_recvmmsg+0xbf/0x22d0 [ 1176.374468][T25713] do_recvmmsg+0xbf/0x22d0 [ 1176.532136][T25752] not chained 1860000 origins [ 1176.536844][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1176.545632][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1176.555696][T25752] Call Trace: [ 1176.558982][T25752] dump_stack+0x24c/0x2e0 [ 1176.563326][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1176.569082][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1176.574305][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1176.580207][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1176.585863][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1176.591080][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1176.596928][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1176.603007][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1176.608221][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1176.613886][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1176.619962][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1176.625358][T25752] ? _copy_from_user+0x1fd/0x300 [ 1176.630425][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1176.635663][T25752] __msan_chain_origin+0x54/0xa0 [ 1176.640604][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1176.645231][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1176.650894][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1176.656188][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1176.661424][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1176.666499][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1176.671496][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1176.676373][T25752] do_syscall_64+0x9f/0x140 [ 1176.680889][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.686798][T25752] RIP: 0033:0x4665d9 [ 1176.690696][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1176.710483][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1176.718937][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1176.727380][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1176.735408][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1176.743396][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1176.751400][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1176.759412][T25752] Uninit was stored to memory at: [ 1176.764439][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1176.770287][T25752] __msan_chain_origin+0x54/0xa0 [ 1176.775249][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1176.779842][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1176.784780][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1176.789647][T25752] do_syscall_64+0x9f/0x140 [ 1176.794178][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.800084][T25752] [ 1176.802420][T25752] Uninit was stored to memory at: [ 1176.807428][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1176.813152][T25752] __msan_chain_origin+0x54/0xa0 [ 1176.818115][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1176.822720][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1176.827655][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1176.832515][T25752] do_syscall_64+0x9f/0x140 [ 1176.837060][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.842955][T25752] [ 1176.845285][T25752] Uninit was stored to memory at: [ 1176.850298][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1176.856042][T25752] __msan_chain_origin+0x54/0xa0 [ 1176.860983][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1176.865678][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1176.870623][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1176.875625][T25752] do_syscall_64+0x9f/0x140 [ 1176.880670][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.886577][T25752] [ 1176.888902][T25752] Uninit was stored to memory at: [ 1176.893941][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1176.899667][T25752] __msan_chain_origin+0x54/0xa0 [ 1176.904605][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1176.909211][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1176.914146][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1176.918997][T25752] do_syscall_64+0x9f/0x140 [ 1176.923516][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.929421][T25752] [ 1176.932539][T25752] Uninit was stored to memory at: [ 1176.937572][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1176.943470][T25752] __msan_chain_origin+0x54/0xa0 [ 1176.948413][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1176.953035][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1176.958017][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1176.962883][T25752] do_syscall_64+0x9f/0x140 [ 1176.967404][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1176.973394][T25752] [ 1176.975718][T25752] Uninit was stored to memory at: [ 1176.980748][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1176.986492][T25752] __msan_chain_origin+0x54/0xa0 [ 1176.991548][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1176.996156][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1177.001096][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1177.005987][T25752] do_syscall_64+0x9f/0x140 [ 1177.010635][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.016560][T25752] [ 1177.018884][T25752] Uninit was stored to memory at: [ 1177.023907][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1177.030007][T25752] __msan_chain_origin+0x54/0xa0 [ 1177.035027][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1177.039629][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1177.044652][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1177.049701][T25752] do_syscall_64+0x9f/0x140 [ 1177.054224][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.060903][T25752] [ 1177.063328][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1177.070179][T25752] do_recvmmsg+0xbf/0x22d0 [ 1177.074960][T25752] do_recvmmsg+0xbf/0x22d0 [ 1177.282135][T25713] not chained 1870000 origins [ 1177.286842][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1177.295596][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1177.305761][T25713] Call Trace: [ 1177.309049][T25713] dump_stack+0x24c/0x2e0 [ 1177.313551][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1177.319490][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1177.324706][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1177.330711][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1177.336379][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1177.341590][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1177.347498][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1177.353570][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1177.358769][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1177.364420][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1177.370687][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1177.376003][T25713] ? _copy_from_user+0x1fd/0x300 [ 1177.381042][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1177.386245][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.391275][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.395874][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1177.401697][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1177.407442][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1177.412922][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1177.419708][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1177.424849][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.429816][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.434685][T25713] do_syscall_64+0x9f/0x140 [ 1177.439189][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.445082][T25713] RIP: 0033:0x4665d9 [ 1177.448971][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1177.468581][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1177.477008][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1177.485110][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1177.493110][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1177.501085][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1177.509073][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1177.517052][T25713] Uninit was stored to memory at: [ 1177.522071][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1177.527887][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.532839][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.537435][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.542410][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.547274][T25713] do_syscall_64+0x9f/0x140 [ 1177.551811][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.557711][T25713] [ 1177.561538][T25713] Uninit was stored to memory at: [ 1177.566558][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1177.572519][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.577587][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.582202][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.587166][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.592198][T25713] do_syscall_64+0x9f/0x140 [ 1177.596976][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.602971][T25713] [ 1177.605293][T25713] Uninit was stored to memory at: [ 1177.610321][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1177.616136][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.621079][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.625785][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.630739][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.635608][T25713] do_syscall_64+0x9f/0x140 [ 1177.640118][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.646253][T25713] [ 1177.648580][T25713] Uninit was stored to memory at: [ 1177.653725][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1177.659511][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.664591][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.669214][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.674524][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.679408][T25713] do_syscall_64+0x9f/0x140 [ 1177.684026][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.689942][T25713] [ 1177.692283][T25713] Uninit was stored to memory at: [ 1177.697870][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1177.703908][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.709265][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.714073][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.719502][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.724388][T25713] do_syscall_64+0x9f/0x140 [ 1177.729177][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.735550][T25713] [ 1177.737875][T25713] Uninit was stored to memory at: [ 1177.743374][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1177.749505][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.754910][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.759817][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.764896][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.769883][T25713] do_syscall_64+0x9f/0x140 [ 1177.774407][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.780328][T25713] [ 1177.782651][T25713] Uninit was stored to memory at: [ 1177.787665][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1177.793410][T25713] __msan_chain_origin+0x54/0xa0 [ 1177.798460][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1177.803074][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1177.808116][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1177.812987][T25713] do_syscall_64+0x9f/0x140 [ 1177.817523][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1177.823688][T25713] [ 1177.826113][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1177.832890][T25713] do_recvmmsg+0xbf/0x22d0 [ 1177.837324][T25713] do_recvmmsg+0xbf/0x22d0 [ 1177.996549][T25752] not chained 1880000 origins [ 1178.001542][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1178.010354][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1178.020435][T25752] Call Trace: [ 1178.023741][T25752] dump_stack+0x24c/0x2e0 [ 1178.028109][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1178.034029][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1178.039247][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1178.045515][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1178.051171][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1178.057353][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1178.063477][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1178.069588][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1178.074808][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1178.080457][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1178.086671][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1178.092031][T25752] ? _copy_from_user+0x1fd/0x300 [ 1178.097028][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1178.102809][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.107766][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.112569][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1178.118375][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1178.125163][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1178.130379][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1178.135434][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.140380][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.145402][T25752] do_syscall_64+0x9f/0x140 [ 1178.149918][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.155819][T25752] RIP: 0033:0x4665d9 [ 1178.159750][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1178.179689][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1178.188379][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1178.196411][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1178.204482][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1178.212595][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1178.220582][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1178.228578][T25752] Uninit was stored to memory at: [ 1178.233599][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1178.239437][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.244386][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.249099][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.254212][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.259103][T25752] do_syscall_64+0x9f/0x140 [ 1178.263618][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.269521][T25752] [ 1178.271861][T25752] Uninit was stored to memory at: [ 1178.276871][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1178.282600][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.287649][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.292316][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.297403][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.302295][T25752] do_syscall_64+0x9f/0x140 [ 1178.306814][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.312723][T25752] [ 1178.315044][T25752] Uninit was stored to memory at: [ 1178.320052][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1178.325776][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.330744][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.335341][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.340295][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.345149][T25752] do_syscall_64+0x9f/0x140 [ 1178.349680][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.355574][T25752] [ 1178.357918][T25752] Uninit was stored to memory at: [ 1178.362926][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1178.368650][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.373589][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.378188][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.383149][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.388012][T25752] do_syscall_64+0x9f/0x140 [ 1178.392539][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.398473][T25752] [ 1178.400821][T25752] Uninit was stored to memory at: [ 1178.406000][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1178.411728][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.416673][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.422755][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.428402][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.433288][T25752] do_syscall_64+0x9f/0x140 [ 1178.437833][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.443756][T25752] [ 1178.446075][T25752] Uninit was stored to memory at: [ 1178.451084][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1178.456912][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.462294][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.466916][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.471862][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.476724][T25752] do_syscall_64+0x9f/0x140 [ 1178.481251][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.487150][T25752] [ 1178.489476][T25752] Uninit was stored to memory at: [ 1178.494489][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1178.500332][T25752] __msan_chain_origin+0x54/0xa0 [ 1178.505300][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1178.509900][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1178.514844][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1178.519708][T25752] do_syscall_64+0x9f/0x140 [ 1178.524214][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.530104][T25752] [ 1178.532424][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1178.539085][T25752] do_recvmmsg+0xbf/0x22d0 [ 1178.543554][T25752] do_recvmmsg+0xbf/0x22d0 [ 1178.737762][T25713] not chained 1890000 origins [ 1178.742468][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1178.751238][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1178.761319][T25713] Call Trace: [ 1178.764607][T25713] dump_stack+0x24c/0x2e0 [ 1178.769216][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1178.774947][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1178.780154][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1178.786074][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1178.791717][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1178.796948][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1178.802794][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1178.808916][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1178.814124][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1178.819765][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1178.825855][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1178.831151][T25713] ? _copy_from_user+0x1fd/0x300 [ 1178.836100][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1178.841331][T25713] __msan_chain_origin+0x54/0xa0 [ 1178.846289][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1178.851005][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1178.856830][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1178.862551][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1178.867859][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1178.873861][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1178.878920][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1178.883876][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1178.888851][T25713] do_syscall_64+0x9f/0x140 [ 1178.893380][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1178.899292][T25713] RIP: 0033:0x4665d9 [ 1178.903185][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1178.923085][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1178.931567][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1178.939567][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1178.947560][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1178.955596][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1178.963607][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1178.971602][T25713] Uninit was stored to memory at: [ 1178.977050][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1178.982777][T25713] __msan_chain_origin+0x54/0xa0 [ 1178.987721][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1178.992338][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1178.997320][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1179.002195][T25713] do_syscall_64+0x9f/0x140 [ 1179.006719][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.012628][T25713] [ 1179.014947][T25713] Uninit was stored to memory at: [ 1179.019969][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1179.025722][T25713] __msan_chain_origin+0x54/0xa0 [ 1179.030672][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1179.035270][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1179.040230][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1179.045106][T25713] do_syscall_64+0x9f/0x140 [ 1179.049636][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.056078][T25713] [ 1179.058413][T25713] Uninit was stored to memory at: [ 1179.063452][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1179.069189][T25713] __msan_chain_origin+0x54/0xa0 [ 1179.074135][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1179.078742][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1179.083701][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1179.088555][T25713] do_syscall_64+0x9f/0x140 [ 1179.093073][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.098989][T25713] [ 1179.101312][T25713] Uninit was stored to memory at: [ 1179.106324][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1179.112048][T25713] __msan_chain_origin+0x54/0xa0 [ 1179.116984][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1179.121768][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1179.126718][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1179.132112][T25713] do_syscall_64+0x9f/0x140 [ 1179.136635][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.142659][T25713] [ 1179.144980][T25713] Uninit was stored to memory at: [ 1179.150000][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1179.155737][T25713] __msan_chain_origin+0x54/0xa0 [ 1179.160693][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1179.165289][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1179.170247][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1179.175129][T25713] do_syscall_64+0x9f/0x140 [ 1179.179652][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.185546][T25713] [ 1179.187869][T25713] Uninit was stored to memory at: [ 1179.192903][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1179.198699][T25713] __msan_chain_origin+0x54/0xa0 [ 1179.203667][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1179.208288][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1179.213256][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1179.218603][T25713] do_syscall_64+0x9f/0x140 [ 1179.223114][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.229008][T25713] [ 1179.231326][T25713] Uninit was stored to memory at: [ 1179.236332][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1179.242079][T25713] __msan_chain_origin+0x54/0xa0 [ 1179.247019][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1179.251624][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1179.256685][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1179.261540][T25713] do_syscall_64+0x9f/0x140 [ 1179.266048][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.271940][T25713] [ 1179.274260][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1179.280919][T25713] do_recvmmsg+0xbf/0x22d0 [ 1179.285341][T25713] do_recvmmsg+0xbf/0x22d0 [ 1179.438267][T25752] not chained 1900000 origins [ 1179.443148][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1179.451912][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1179.462081][T25752] Call Trace: [ 1179.465381][T25752] dump_stack+0x24c/0x2e0 [ 1179.469730][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1179.475561][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1179.480879][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1179.486789][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1179.492426][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1179.497630][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1179.503452][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1179.509550][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1179.514777][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1179.520421][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1179.526549][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1179.532001][T25752] ? _copy_from_user+0x1fd/0x300 [ 1179.537339][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1179.542565][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.547519][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.552131][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1179.560337][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1179.565763][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1179.571020][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1179.576059][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.581289][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.586158][T25752] do_syscall_64+0x9f/0x140 [ 1179.590678][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.596598][T25752] RIP: 0033:0x4665d9 [ 1179.600690][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1179.620803][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1179.629370][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1179.637613][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1179.646052][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1179.654207][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1179.662195][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1179.670407][T25752] Uninit was stored to memory at: [ 1179.675560][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1179.681447][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.686390][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.690989][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.696033][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.700964][T25752] do_syscall_64+0x9f/0x140 [ 1179.706013][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.712221][T25752] [ 1179.714544][T25752] Uninit was stored to memory at: [ 1179.719622][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1179.725364][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.730847][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.735769][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.740751][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.746261][T25752] do_syscall_64+0x9f/0x140 [ 1179.750908][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.756827][T25752] [ 1179.759157][T25752] Uninit was stored to memory at: [ 1179.764210][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1179.770351][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.775409][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.780009][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.785081][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.789952][T25752] do_syscall_64+0x9f/0x140 [ 1179.794461][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.800358][T25752] [ 1179.802729][T25752] Uninit was stored to memory at: [ 1179.807740][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1179.813471][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.818446][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.823044][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.827988][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.832858][T25752] do_syscall_64+0x9f/0x140 [ 1179.837370][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.843306][T25752] [ 1179.845645][T25752] Uninit was stored to memory at: [ 1179.850653][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1179.856403][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.861371][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.865986][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.870922][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.875778][T25752] do_syscall_64+0x9f/0x140 [ 1179.880301][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.886191][T25752] [ 1179.888508][T25752] Uninit was stored to memory at: [ 1179.893511][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1179.899341][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.904308][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.909094][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.914041][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.918910][T25752] do_syscall_64+0x9f/0x140 [ 1179.923591][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.929493][T25752] [ 1179.932197][T25752] Uninit was stored to memory at: [ 1179.937221][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1179.943050][T25752] __msan_chain_origin+0x54/0xa0 [ 1179.948352][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1179.953027][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1179.958029][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1179.962971][T25752] do_syscall_64+0x9f/0x140 [ 1179.967479][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1179.973408][T25752] [ 1179.975732][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1179.982386][T25752] do_recvmmsg+0xbf/0x22d0 [ 1179.986955][T25752] do_recvmmsg+0xbf/0x22d0 [ 1180.159152][T25713] not chained 1910000 origins [ 1180.164112][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1180.172995][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1180.183067][T25713] Call Trace: [ 1180.186382][T25713] dump_stack+0x24c/0x2e0 [ 1180.190736][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1180.196466][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1180.201782][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1180.207689][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1180.213346][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1180.218604][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1180.224429][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1180.230502][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1180.235797][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1180.241481][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1180.247575][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1180.252886][T25713] ? _copy_from_user+0x1fd/0x300 [ 1180.257855][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1180.263082][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.268031][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.272631][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1180.278444][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1180.284081][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1180.289378][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1180.295358][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1180.300495][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.305438][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.310290][T25713] do_syscall_64+0x9f/0x140 [ 1180.314799][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.321371][T25713] RIP: 0033:0x4665d9 [ 1180.325303][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1180.345170][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1180.353592][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1180.361936][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1180.370147][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1180.379511][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1180.387487][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1180.395953][T25713] Uninit was stored to memory at: [ 1180.400972][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1180.406692][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.411734][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.416327][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.421271][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.426134][T25713] do_syscall_64+0x9f/0x140 [ 1180.430638][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.436526][T25713] [ 1180.438841][T25713] Uninit was stored to memory at: [ 1180.443844][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1180.449566][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.454553][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.459163][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.464099][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.469080][T25713] do_syscall_64+0x9f/0x140 [ 1180.473646][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.479579][T25713] [ 1180.481918][T25713] Uninit was stored to memory at: [ 1180.486948][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1180.492717][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.498184][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.502783][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.507731][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.512698][T25713] do_syscall_64+0x9f/0x140 [ 1180.517262][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.523273][T25713] [ 1180.525618][T25713] Uninit was stored to memory at: [ 1180.530638][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1180.536361][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.541478][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.546078][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.551016][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.555871][T25713] do_syscall_64+0x9f/0x140 [ 1180.560389][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.566437][T25713] [ 1180.568761][T25713] Uninit was stored to memory at: [ 1180.573784][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1180.579524][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.584484][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.589096][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.594050][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.598942][T25713] do_syscall_64+0x9f/0x140 [ 1180.603472][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.609400][T25713] [ 1180.611718][T25713] Uninit was stored to memory at: [ 1180.616753][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1180.622476][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.627464][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.632456][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.638058][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.643014][T25713] do_syscall_64+0x9f/0x140 [ 1180.647585][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.653999][T25713] [ 1180.656325][T25713] Uninit was stored to memory at: [ 1180.661335][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1180.667064][T25713] __msan_chain_origin+0x54/0xa0 [ 1180.672055][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1180.676656][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1180.681701][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1180.686575][T25713] do_syscall_64+0x9f/0x140 [ 1180.691103][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1180.697155][T25713] [ 1180.699476][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1180.706131][T25713] do_recvmmsg+0xbf/0x22d0 [ 1180.710713][T25713] do_recvmmsg+0xbf/0x22d0 [ 1180.875324][T25752] not chained 1920000 origins [ 1180.880249][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1180.890181][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1180.901404][T25752] Call Trace: [ 1180.904724][T25752] dump_stack+0x24c/0x2e0 [ 1180.909068][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1180.914801][T25752] ? exc_page_fault+0x45/0x50 [ 1180.919793][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1180.925423][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1180.931345][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1180.936987][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1180.942194][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1180.948021][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1180.954257][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1180.959508][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1180.965182][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1180.971258][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1180.976564][T25752] ? _copy_from_user+0x1fd/0x300 [ 1180.981696][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1180.986910][T25752] __msan_chain_origin+0x54/0xa0 [ 1180.992550][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1180.997152][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1181.002897][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1181.008190][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1181.013413][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1181.018479][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.023425][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.028326][T25752] do_syscall_64+0x9f/0x140 [ 1181.032848][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.038743][T25752] RIP: 0033:0x4665d9 [ 1181.042635][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1181.062242][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1181.070679][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1181.078666][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1181.086642][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1181.095554][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1181.103553][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1181.111539][T25752] Uninit was stored to memory at: [ 1181.116549][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1181.122271][T25752] __msan_chain_origin+0x54/0xa0 [ 1181.127201][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1181.131798][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.136752][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.141662][T25752] do_syscall_64+0x9f/0x140 [ 1181.146308][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.152222][T25752] [ 1181.154549][T25752] Uninit was stored to memory at: [ 1181.159565][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1181.165301][T25752] __msan_chain_origin+0x54/0xa0 [ 1181.170265][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1181.174860][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.179833][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.184707][T25752] do_syscall_64+0x9f/0x140 [ 1181.189237][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.195229][T25752] [ 1181.197770][T25752] Uninit was stored to memory at: [ 1181.203218][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1181.209166][T25752] __msan_chain_origin+0x54/0xa0 [ 1181.214113][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1181.218810][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.223766][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.228614][T25752] do_syscall_64+0x9f/0x140 [ 1181.233119][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.239022][T25752] [ 1181.241337][T25752] Uninit was stored to memory at: [ 1181.246361][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1181.252116][T25752] __msan_chain_origin+0x54/0xa0 [ 1181.257046][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1181.261648][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.266586][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.271461][T25752] do_syscall_64+0x9f/0x140 [ 1181.276153][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.282063][T25752] [ 1181.284383][T25752] Uninit was stored to memory at: [ 1181.289479][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1181.295424][T25752] __msan_chain_origin+0x54/0xa0 [ 1181.300570][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1181.305527][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.310505][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.315946][T25752] do_syscall_64+0x9f/0x140 [ 1181.320646][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.326560][T25752] [ 1181.328878][T25752] Uninit was stored to memory at: [ 1181.334074][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1181.339813][T25752] __msan_chain_origin+0x54/0xa0 [ 1181.344793][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1181.349402][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.354345][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.359216][T25752] do_syscall_64+0x9f/0x140 [ 1181.363811][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.369726][T25752] [ 1181.372073][T25752] Uninit was stored to memory at: [ 1181.377467][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1181.383219][T25752] __msan_chain_origin+0x54/0xa0 [ 1181.388198][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1181.392797][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1181.397757][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1181.402614][T25752] do_syscall_64+0x9f/0x140 [ 1181.407126][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.413052][T25752] [ 1181.415397][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1181.422069][T25752] do_recvmmsg+0xbf/0x22d0 [ 1181.426500][T25752] do_recvmmsg+0xbf/0x22d0 [ 1181.645569][T25713] not chained 1930000 origins [ 1181.650550][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1181.659328][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1181.669407][T25713] Call Trace: [ 1181.672927][T25713] dump_stack+0x24c/0x2e0 [ 1181.677290][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1181.683061][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1181.688279][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1181.694186][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1181.699835][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1181.705355][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1181.711183][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1181.717284][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1181.722508][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1181.728155][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1181.734234][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1181.739654][T25713] ? _copy_from_user+0x1fd/0x300 [ 1181.744686][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1181.749899][T25713] __msan_chain_origin+0x54/0xa0 [ 1181.754866][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1181.759468][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1181.765306][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1181.770950][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1181.776253][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1181.782291][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1181.787344][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1181.792300][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1181.797291][T25713] do_syscall_64+0x9f/0x140 [ 1181.801808][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.807731][T25713] RIP: 0033:0x4665d9 [ 1181.811623][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1181.831234][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1181.839669][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1181.847855][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1181.855832][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1181.863819][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1181.872314][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1181.880505][T25713] Uninit was stored to memory at: [ 1181.885532][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1181.891269][T25713] __msan_chain_origin+0x54/0xa0 [ 1181.896198][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1181.900783][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1181.905718][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1181.910569][T25713] do_syscall_64+0x9f/0x140 [ 1181.915078][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.920969][T25713] [ 1181.923303][T25713] Uninit was stored to memory at: [ 1181.928348][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1181.935869][T25713] __msan_chain_origin+0x54/0xa0 [ 1181.940825][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1181.945444][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1181.950391][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1181.956853][T25713] do_syscall_64+0x9f/0x140 [ 1181.962193][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1181.968107][T25713] [ 1181.970445][T25713] Uninit was stored to memory at: [ 1181.975475][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1181.981252][T25713] __msan_chain_origin+0x54/0xa0 [ 1181.986206][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1181.990801][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1181.995745][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1182.001051][T25713] do_syscall_64+0x9f/0x140 [ 1182.005562][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.011461][T25713] [ 1182.013782][T25713] Uninit was stored to memory at: [ 1182.018814][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1182.024669][T25713] __msan_chain_origin+0x54/0xa0 [ 1182.029633][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1182.034452][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1182.039871][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1182.044727][T25713] do_syscall_64+0x9f/0x140 [ 1182.049361][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.055410][T25713] [ 1182.057733][T25713] Uninit was stored to memory at: [ 1182.062743][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1182.068557][T25713] __msan_chain_origin+0x54/0xa0 [ 1182.073511][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1182.078858][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1182.083825][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1182.091294][T25713] do_syscall_64+0x9f/0x140 [ 1182.095830][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.101898][T25713] [ 1182.104267][T25713] Uninit was stored to memory at: [ 1182.109392][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1182.115139][T25713] __msan_chain_origin+0x54/0xa0 [ 1182.120074][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1182.124776][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1182.129714][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1182.134918][T25713] do_syscall_64+0x9f/0x140 [ 1182.139428][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.145327][T25713] [ 1182.147643][T25713] Uninit was stored to memory at: [ 1182.152661][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1182.158392][T25713] __msan_chain_origin+0x54/0xa0 [ 1182.163406][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1182.168051][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1182.173014][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1182.178079][T25713] do_syscall_64+0x9f/0x140 [ 1182.182807][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.188762][T25713] [ 1182.191085][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1182.197894][T25713] do_recvmmsg+0xbf/0x22d0 [ 1182.202354][T25713] do_recvmmsg+0xbf/0x22d0 [ 1182.357633][T25752] not chained 1940000 origins [ 1182.362361][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1182.371119][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1182.381541][T25752] Call Trace: [ 1182.384838][T25752] dump_stack+0x24c/0x2e0 [ 1182.389378][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1182.395498][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1182.402465][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1182.408370][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1182.414049][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1182.419434][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1182.425944][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1182.432043][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1182.437262][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1182.442909][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1182.448991][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1182.454426][T25752] ? _copy_from_user+0x1fd/0x300 [ 1182.459391][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1182.464733][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.469702][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.474676][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1182.480485][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1182.486794][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1182.493163][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1182.498393][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.503359][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.508422][T25752] do_syscall_64+0x9f/0x140 [ 1182.513256][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.519183][T25752] RIP: 0033:0x4665d9 [ 1182.523077][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1182.544178][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1182.552880][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1182.561138][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1182.569147][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1182.577231][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1182.585204][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1182.593183][T25752] Uninit was stored to memory at: [ 1182.598213][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1182.604043][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.609017][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.613626][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.618591][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.623471][T25752] do_syscall_64+0x9f/0x140 [ 1182.628091][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.634005][T25752] [ 1182.636397][T25752] Uninit was stored to memory at: [ 1182.641431][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1182.647184][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.652150][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.656809][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.661774][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.666661][T25752] do_syscall_64+0x9f/0x140 [ 1182.671181][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.677326][T25752] [ 1182.679668][T25752] Uninit was stored to memory at: [ 1182.684689][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1182.690417][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.695367][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.699964][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.704908][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.709883][T25752] do_syscall_64+0x9f/0x140 [ 1182.714411][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.720320][T25752] [ 1182.722680][T25752] Uninit was stored to memory at: [ 1182.727687][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1182.733429][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.738372][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.742981][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.747923][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.752782][T25752] do_syscall_64+0x9f/0x140 [ 1182.757463][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.763514][T25752] [ 1182.765859][T25752] Uninit was stored to memory at: [ 1182.770887][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1182.777135][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.782125][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.786735][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.791690][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.796552][T25752] do_syscall_64+0x9f/0x140 [ 1182.801098][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.807011][T25752] [ 1182.809331][T25752] Uninit was stored to memory at: [ 1182.814350][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1182.820076][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.825017][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.829628][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.834568][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.839428][T25752] do_syscall_64+0x9f/0x140 [ 1182.844202][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.850110][T25752] [ 1182.852427][T25752] Uninit was stored to memory at: [ 1182.857462][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1182.863181][T25752] __msan_chain_origin+0x54/0xa0 [ 1182.868121][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1182.872713][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1182.877652][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1182.882502][T25752] do_syscall_64+0x9f/0x140 [ 1182.887031][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1182.892946][T25752] [ 1182.895263][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1182.901920][T25752] do_recvmmsg+0xbf/0x22d0 [ 1182.906355][T25752] do_recvmmsg+0xbf/0x22d0 [ 1183.072670][T25713] not chained 1950000 origins [ 1183.077478][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1183.086246][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1183.096318][T25713] Call Trace: [ 1183.099630][T25713] dump_stack+0x24c/0x2e0 [ 1183.104039][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1183.109791][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1183.114991][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1183.120896][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1183.126616][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1183.131828][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1183.137718][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1183.143787][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1183.149112][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1183.154747][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1183.160826][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1183.166125][T25713] ? _copy_from_user+0x1fd/0x300 [ 1183.171067][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1183.176265][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.181537][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.186182][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1183.192016][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1183.197656][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1183.202955][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1183.208971][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1183.214124][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.219080][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.223963][T25713] do_syscall_64+0x9f/0x140 [ 1183.228474][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.234386][T25713] RIP: 0033:0x4665d9 [ 1183.238299][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1183.257918][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1183.266353][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1183.275426][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1183.283435][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1183.291530][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1183.299683][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1183.308131][T25713] Uninit was stored to memory at: [ 1183.313727][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1183.319474][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.324410][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.329003][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.333966][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.338851][T25713] do_syscall_64+0x9f/0x140 [ 1183.343368][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.349310][T25713] [ 1183.351666][T25713] Uninit was stored to memory at: [ 1183.356770][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1183.362498][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.367478][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.372085][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.377047][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.381916][T25713] do_syscall_64+0x9f/0x140 [ 1183.386443][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.392371][T25713] [ 1183.394708][T25713] Uninit was stored to memory at: [ 1183.399730][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1183.405467][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.410452][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.415093][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.420059][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.424927][T25713] do_syscall_64+0x9f/0x140 [ 1183.429436][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.435359][T25713] [ 1183.437673][T25713] Uninit was stored to memory at: [ 1183.442697][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1183.448433][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.453394][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.458176][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.463396][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.468258][T25713] do_syscall_64+0x9f/0x140 [ 1183.472777][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.478678][T25713] [ 1183.481009][T25713] Uninit was stored to memory at: [ 1183.486201][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1183.491965][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.497538][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.502135][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.507075][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.511987][T25713] do_syscall_64+0x9f/0x140 [ 1183.516810][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.522825][T25713] [ 1183.525144][T25713] Uninit was stored to memory at: [ 1183.530160][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1183.535890][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.540919][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.545755][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.550702][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.555570][T25713] do_syscall_64+0x9f/0x140 [ 1183.560185][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.566086][T25713] [ 1183.568403][T25713] Uninit was stored to memory at: [ 1183.573515][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1183.579253][T25713] __msan_chain_origin+0x54/0xa0 [ 1183.584223][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1183.588922][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1183.593986][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1183.598869][T25713] do_syscall_64+0x9f/0x140 [ 1183.603405][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.609533][T25713] [ 1183.611874][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1183.618536][T25713] do_recvmmsg+0xbf/0x22d0 [ 1183.622997][T25713] do_recvmmsg+0xbf/0x22d0 [ 1183.770830][T25752] not chained 1960000 origins [ 1183.775537][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1183.784303][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1183.794364][T25752] Call Trace: [ 1183.797654][T25752] dump_stack+0x24c/0x2e0 [ 1183.801994][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1183.807940][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1183.813204][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1183.819381][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1183.825053][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1183.830526][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1183.836347][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1183.842429][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1183.847748][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1183.853402][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1183.859659][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1183.864951][T25752] ? _copy_from_user+0x1fd/0x300 [ 1183.870083][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1183.875341][T25752] __msan_chain_origin+0x54/0xa0 [ 1183.880306][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1183.884918][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1183.890639][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1183.895927][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1183.901148][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1183.906192][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1183.911135][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1183.916022][T25752] do_syscall_64+0x9f/0x140 [ 1183.920544][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1183.926894][T25752] RIP: 0033:0x4665d9 [ 1183.930940][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1183.950719][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1183.959439][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1183.967413][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1183.975390][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1183.983383][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1183.991483][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1183.999585][T25752] Uninit was stored to memory at: [ 1184.004613][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1184.010512][T25752] __msan_chain_origin+0x54/0xa0 [ 1184.015720][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1184.020311][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1184.025257][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1184.030141][T25752] do_syscall_64+0x9f/0x140 [ 1184.034755][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.040743][T25752] [ 1184.043081][T25752] Uninit was stored to memory at: [ 1184.048106][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1184.053955][T25752] __msan_chain_origin+0x54/0xa0 [ 1184.058912][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1184.063509][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1184.068483][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1184.073340][T25752] do_syscall_64+0x9f/0x140 [ 1184.077852][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.083756][T25752] [ 1184.086085][T25752] Uninit was stored to memory at: [ 1184.091206][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1184.096947][T25752] __msan_chain_origin+0x54/0xa0 [ 1184.101899][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1184.106494][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1184.111890][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1184.116748][T25752] do_syscall_64+0x9f/0x140 [ 1184.121350][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.127275][T25752] [ 1184.129634][T25752] Uninit was stored to memory at: [ 1184.134649][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1184.140396][T25752] __msan_chain_origin+0x54/0xa0 [ 1184.145380][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1184.149981][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1184.155019][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1184.159881][T25752] do_syscall_64+0x9f/0x140 [ 1184.164391][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.170379][T25752] [ 1184.172978][T25752] Uninit was stored to memory at: [ 1184.178373][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1184.184294][T25752] __msan_chain_origin+0x54/0xa0 [ 1184.189380][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1184.193983][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1184.198927][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1184.203975][T25752] do_syscall_64+0x9f/0x140 [ 1184.208590][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.214496][T25752] [ 1184.216845][T25752] Uninit was stored to memory at: [ 1184.221885][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1184.227621][T25752] __msan_chain_origin+0x54/0xa0 [ 1184.232608][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1184.237353][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1184.242331][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1184.247225][T25752] do_syscall_64+0x9f/0x140 [ 1184.251796][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.257811][T25752] [ 1184.260128][T25752] Uninit was stored to memory at: [ 1184.265132][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1184.270871][T25752] __msan_chain_origin+0x54/0xa0 [ 1184.275817][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1184.280432][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1184.285385][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1184.290236][T25752] do_syscall_64+0x9f/0x140 [ 1184.294746][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.300643][T25752] [ 1184.302961][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1184.309649][T25752] do_recvmmsg+0xbf/0x22d0 [ 1184.314202][T25752] do_recvmmsg+0xbf/0x22d0 [ 1184.490361][T25713] not chained 1970000 origins [ 1184.495078][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1184.503840][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1184.514331][T25713] Call Trace: [ 1184.517634][T25713] dump_stack+0x24c/0x2e0 [ 1184.522180][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1184.527910][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1184.533135][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1184.539040][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1184.544787][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1184.550123][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1184.555937][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1184.562224][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1184.567434][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1184.573078][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1184.579207][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1184.584504][T25713] ? _copy_from_user+0x1fd/0x300 [ 1184.589450][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1184.594652][T25713] __msan_chain_origin+0x54/0xa0 [ 1184.599609][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1184.604352][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1184.610211][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1184.615874][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1184.621204][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1184.627221][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1184.632278][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1184.637228][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1184.642089][T25713] do_syscall_64+0x9f/0x140 [ 1184.646693][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.653293][T25713] RIP: 0033:0x4665d9 [ 1184.657317][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1184.678433][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1184.687117][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1184.695629][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1184.704051][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1184.712131][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1184.720545][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1184.728528][T25713] Uninit was stored to memory at: [ 1184.733605][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1184.739569][T25713] __msan_chain_origin+0x54/0xa0 [ 1184.745172][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1184.750165][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1184.756530][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1184.761417][T25713] do_syscall_64+0x9f/0x140 [ 1184.766383][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.772327][T25713] [ 1184.774745][T25713] Uninit was stored to memory at: [ 1184.779790][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1184.785511][T25713] __msan_chain_origin+0x54/0xa0 [ 1184.790572][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1184.795193][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1184.800224][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1184.805168][T25713] do_syscall_64+0x9f/0x140 [ 1184.809685][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.815595][T25713] [ 1184.818057][T25713] Uninit was stored to memory at: [ 1184.823197][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1184.828945][T25713] __msan_chain_origin+0x54/0xa0 [ 1184.833886][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1184.838662][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1184.844332][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1184.849238][T25713] do_syscall_64+0x9f/0x140 [ 1184.853908][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.859835][T25713] [ 1184.862150][T25713] Uninit was stored to memory at: [ 1184.867161][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1184.873020][T25713] __msan_chain_origin+0x54/0xa0 [ 1184.878069][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1184.882676][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1184.887633][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1184.892497][T25713] do_syscall_64+0x9f/0x140 [ 1184.897135][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.903490][T25713] [ 1184.905813][T25713] Uninit was stored to memory at: [ 1184.911060][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1184.916924][T25713] __msan_chain_origin+0x54/0xa0 [ 1184.921889][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1184.926504][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1184.931576][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1184.936449][T25713] do_syscall_64+0x9f/0x140 [ 1184.940959][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.946862][T25713] [ 1184.949440][T25713] Uninit was stored to memory at: [ 1184.954945][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1184.960670][T25713] __msan_chain_origin+0x54/0xa0 [ 1184.965619][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1184.970328][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1184.975286][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1184.980246][T25713] do_syscall_64+0x9f/0x140 [ 1184.984762][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1184.990944][T25713] [ 1184.993439][T25713] Uninit was stored to memory at: [ 1184.998719][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1185.004463][T25713] __msan_chain_origin+0x54/0xa0 [ 1185.009464][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1185.014064][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1185.019005][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1185.024149][T25713] do_syscall_64+0x9f/0x140 [ 1185.028657][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.034575][T25713] [ 1185.036892][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1185.043549][T25713] do_recvmmsg+0xbf/0x22d0 [ 1185.047988][T25713] do_recvmmsg+0xbf/0x22d0 [ 1185.219513][T25752] not chained 1980000 origins [ 1185.224340][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1185.233096][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1185.243168][T25752] Call Trace: [ 1185.246552][T25752] dump_stack+0x24c/0x2e0 [ 1185.250994][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1185.256881][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1185.262087][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1185.267994][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1185.273638][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1185.278884][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1185.284756][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1185.291043][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1185.296516][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1185.302167][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1185.308247][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1185.313540][T25752] ? _copy_from_user+0x1fd/0x300 [ 1185.318504][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1185.323722][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.328683][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.333448][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1185.339403][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1185.344891][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1185.350446][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1185.355657][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.360619][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.365475][T25752] do_syscall_64+0x9f/0x140 [ 1185.370211][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.376126][T25752] RIP: 0033:0x4665d9 [ 1185.380040][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1185.401583][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1185.411646][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1185.419624][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1185.427613][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1185.435742][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1185.443742][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1185.451853][T25752] Uninit was stored to memory at: [ 1185.456872][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1185.462602][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.467543][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.472147][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.477103][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.481962][T25752] do_syscall_64+0x9f/0x140 [ 1185.486486][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.492398][T25752] [ 1185.494717][T25752] Uninit was stored to memory at: [ 1185.499734][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1185.505496][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.510445][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.515034][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.519983][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.524832][T25752] do_syscall_64+0x9f/0x140 [ 1185.529340][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.535496][T25752] [ 1185.537820][T25752] Uninit was stored to memory at: [ 1185.544237][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1185.549972][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.554926][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.559524][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.564581][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.569454][T25752] do_syscall_64+0x9f/0x140 [ 1185.573972][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.579877][T25752] [ 1185.582206][T25752] Uninit was stored to memory at: [ 1185.587400][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1185.593150][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.598111][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.602728][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.607808][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.613454][T25752] do_syscall_64+0x9f/0x140 [ 1185.618070][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.623984][T25752] [ 1185.626301][T25752] Uninit was stored to memory at: [ 1185.631309][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1185.637034][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.641971][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.646561][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.651507][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.656383][T25752] do_syscall_64+0x9f/0x140 [ 1185.660930][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.666935][T25752] [ 1185.669372][T25752] Uninit was stored to memory at: [ 1185.674765][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1185.680623][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.685691][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.690307][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.695259][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.700179][T25752] do_syscall_64+0x9f/0x140 [ 1185.704708][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.710888][T25752] [ 1185.713414][T25752] Uninit was stored to memory at: [ 1185.718606][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1185.724336][T25752] __msan_chain_origin+0x54/0xa0 [ 1185.729405][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1185.734004][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1185.738946][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1185.744291][T25752] do_syscall_64+0x9f/0x140 [ 1185.749089][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1185.755010][T25752] [ 1185.757327][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1185.763984][T25752] do_recvmmsg+0xbf/0x22d0 [ 1185.768432][T25752] do_recvmmsg+0xbf/0x22d0 [ 1185.777935][ T3127] ieee802154 phy0 wpan0: encryption failed: -22 [ 1185.784703][ T3127] ieee802154 phy1 wpan1: encryption failed: -22 [ 1185.960658][T25713] not chained 1990000 origins [ 1185.965382][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1185.974160][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1185.984249][T25713] Call Trace: [ 1185.987556][T25713] dump_stack+0x24c/0x2e0 [ 1185.991903][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1185.997680][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1186.002889][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1186.008791][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1186.014439][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1186.019636][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1186.025456][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1186.031523][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1186.036722][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1186.042356][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1186.048606][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1186.053912][T25713] ? _copy_from_user+0x1fd/0x300 [ 1186.058863][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1186.064590][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.069535][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.074131][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1186.079942][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1186.085600][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1186.090884][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1186.096884][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1186.101912][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.106855][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.111709][T25713] do_syscall_64+0x9f/0x140 [ 1186.116220][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.122135][T25713] RIP: 0033:0x4665d9 [ 1186.126027][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1186.145631][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1186.154091][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1186.162070][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1186.170219][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1186.178804][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1186.186779][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1186.194764][T25713] Uninit was stored to memory at: [ 1186.199785][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1186.205611][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.210556][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.215172][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.220121][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.224973][T25713] do_syscall_64+0x9f/0x140 [ 1186.229481][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.235393][T25713] [ 1186.237709][T25713] Uninit was stored to memory at: [ 1186.242717][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1186.248438][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.253471][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.258192][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.263301][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.268176][T25713] do_syscall_64+0x9f/0x140 [ 1186.272698][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.278610][T25713] [ 1186.280923][T25713] Uninit was stored to memory at: [ 1186.285927][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1186.291657][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.296602][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.301229][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.306177][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.311034][T25713] do_syscall_64+0x9f/0x140 [ 1186.315543][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.321787][T25713] [ 1186.324363][T25713] Uninit was stored to memory at: [ 1186.329367][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1186.335086][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.340035][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.344624][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.349669][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.354536][T25713] do_syscall_64+0x9f/0x140 [ 1186.359041][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.364932][T25713] [ 1186.367263][T25713] Uninit was stored to memory at: [ 1186.372288][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1186.378235][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.383174][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.388281][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.393217][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.398094][T25713] do_syscall_64+0x9f/0x140 [ 1186.402604][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.408489][T25713] [ 1186.410798][T25713] Uninit was stored to memory at: [ 1186.415810][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1186.422839][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.427773][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.432380][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.437336][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.442368][T25713] do_syscall_64+0x9f/0x140 [ 1186.446893][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.452801][T25713] [ 1186.456270][T25713] Uninit was stored to memory at: [ 1186.461274][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1186.466992][T25713] __msan_chain_origin+0x54/0xa0 [ 1186.471927][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1186.476515][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1186.481457][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1186.486422][T25713] do_syscall_64+0x9f/0x140 [ 1186.490936][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.496850][T25713] [ 1186.499167][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1186.506014][T25713] do_recvmmsg+0xbf/0x22d0 [ 1186.510430][T25713] do_recvmmsg+0xbf/0x22d0 [ 1186.679156][T25752] not chained 2000000 origins [ 1186.683866][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1186.692628][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1186.703157][T25752] Call Trace: [ 1186.706677][T25752] dump_stack+0x24c/0x2e0 [ 1186.711890][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1186.717642][T25752] ? exc_page_fault+0x45/0x50 [ 1186.722335][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1186.727663][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1186.733570][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1186.740078][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1186.745297][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1186.751439][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1186.757938][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1186.763281][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1186.769088][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1186.775172][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1186.780467][T25752] ? _copy_from_user+0x1fd/0x300 [ 1186.785432][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1186.790630][T25752] __msan_chain_origin+0x54/0xa0 [ 1186.795587][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1186.800210][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1186.805853][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1186.811153][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1186.816358][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1186.821687][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1186.827853][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1186.832711][T25752] do_syscall_64+0x9f/0x140 [ 1186.837231][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.843142][T25752] RIP: 0033:0x4665d9 [ 1186.847035][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1186.866819][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1186.875240][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1186.883220][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1186.891849][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1186.899872][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1186.907867][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1186.915902][T25752] Uninit was stored to memory at: [ 1186.920918][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1186.926642][T25752] __msan_chain_origin+0x54/0xa0 [ 1186.931692][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1186.936725][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1186.941676][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1186.946526][T25752] do_syscall_64+0x9f/0x140 [ 1186.951163][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1186.957107][T25752] [ 1186.959421][T25752] Uninit was stored to memory at: [ 1186.964494][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1186.970421][T25752] __msan_chain_origin+0x54/0xa0 [ 1186.975393][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1186.980354][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1186.985323][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1186.990188][T25752] do_syscall_64+0x9f/0x140 [ 1186.994715][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.000640][T25752] [ 1187.002955][T25752] Uninit was stored to memory at: [ 1187.007982][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1187.013721][T25752] __msan_chain_origin+0x54/0xa0 [ 1187.018660][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1187.023269][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1187.028248][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1187.033102][T25752] do_syscall_64+0x9f/0x140 [ 1187.037611][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.043515][T25752] [ 1187.045862][T25752] Uninit was stored to memory at: [ 1187.050887][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1187.056644][T25752] __msan_chain_origin+0x54/0xa0 [ 1187.061748][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1187.066338][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1187.071337][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1187.076190][T25752] do_syscall_64+0x9f/0x140 [ 1187.080692][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.086587][T25752] [ 1187.088898][T25752] Uninit was stored to memory at: [ 1187.093900][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1187.099621][T25752] __msan_chain_origin+0x54/0xa0 [ 1187.104577][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1187.109172][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1187.114326][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1187.119204][T25752] do_syscall_64+0x9f/0x140 [ 1187.123801][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.129969][T25752] [ 1187.132323][T25752] Uninit was stored to memory at: [ 1187.137359][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1187.143289][T25752] __msan_chain_origin+0x54/0xa0 [ 1187.148412][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1187.153007][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1187.157972][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1187.162954][T25752] do_syscall_64+0x9f/0x140 [ 1187.167457][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.173367][T25752] [ 1187.175689][T25752] Uninit was stored to memory at: [ 1187.180869][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1187.186600][T25752] __msan_chain_origin+0x54/0xa0 [ 1187.191548][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1187.196167][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1187.201132][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1187.205988][T25752] do_syscall_64+0x9f/0x140 [ 1187.210497][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.216394][T25752] [ 1187.218734][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1187.225425][T25752] do_recvmmsg+0xbf/0x22d0 [ 1187.229972][T25752] do_recvmmsg+0xbf/0x22d0 [ 1187.409481][T25713] not chained 2010000 origins [ 1187.414282][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1187.423038][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1187.433097][T25713] Call Trace: [ 1187.436379][T25713] dump_stack+0x24c/0x2e0 [ 1187.440719][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1187.446470][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1187.451763][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1187.457675][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1187.464278][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1187.469539][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1187.475364][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1187.481491][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1187.486805][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1187.492443][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1187.498530][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1187.503833][T25713] ? _copy_from_user+0x1fd/0x300 [ 1187.508787][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1187.513985][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.519119][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.523712][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1187.529516][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1187.535157][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1187.540446][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1187.546435][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1187.551470][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.556437][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.561289][T25713] do_syscall_64+0x9f/0x140 [ 1187.565801][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.571712][T25713] RIP: 0033:0x4665d9 [ 1187.575639][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1187.595258][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1187.603702][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1187.611714][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1187.619748][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1187.627726][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1187.635909][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1187.643891][T25713] Uninit was stored to memory at: [ 1187.648920][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1187.654638][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.659571][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.664160][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.669115][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.673964][T25713] do_syscall_64+0x9f/0x140 [ 1187.678467][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.684360][T25713] [ 1187.686683][T25713] Uninit was stored to memory at: [ 1187.691694][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1187.697413][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.702349][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.706977][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.711920][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.716801][T25713] do_syscall_64+0x9f/0x140 [ 1187.721331][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.727231][T25713] [ 1187.729549][T25713] Uninit was stored to memory at: [ 1187.735059][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1187.741162][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.746116][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.750830][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.755780][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.760946][T25713] do_syscall_64+0x9f/0x140 [ 1187.765484][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.771608][T25713] [ 1187.773954][T25713] Uninit was stored to memory at: [ 1187.779153][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1187.784966][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.790039][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.794659][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.799605][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.804479][T25713] do_syscall_64+0x9f/0x140 [ 1187.809350][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.815358][T25713] [ 1187.817717][T25713] Uninit was stored to memory at: [ 1187.822729][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1187.828554][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.833615][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.838225][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.843254][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.848136][T25713] do_syscall_64+0x9f/0x140 [ 1187.852644][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.858543][T25713] [ 1187.860889][T25713] Uninit was stored to memory at: [ 1187.866014][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1187.871952][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.876905][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.881651][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.886865][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.891912][T25713] do_syscall_64+0x9f/0x140 [ 1187.896425][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.902343][T25713] [ 1187.904712][T25713] Uninit was stored to memory at: [ 1187.909893][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1187.915629][T25713] __msan_chain_origin+0x54/0xa0 [ 1187.920695][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1187.925289][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1187.930340][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1187.935389][T25713] do_syscall_64+0x9f/0x140 [ 1187.939905][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1187.945800][T25713] [ 1187.948138][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1187.954794][T25713] do_recvmmsg+0xbf/0x22d0 [ 1187.959213][T25713] do_recvmmsg+0xbf/0x22d0 [ 1188.124230][T25752] not chained 2020000 origins [ 1188.129087][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1188.137853][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1188.148247][T25752] Call Trace: [ 1188.151553][T25752] dump_stack+0x24c/0x2e0 [ 1188.155890][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1188.161621][T25752] ? kmsan_get_shadow_origin_ptr+0x70/0xb0 [ 1188.167433][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1188.172642][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1188.178558][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1188.184402][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1188.189983][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1188.195795][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1188.201864][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1188.207153][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1188.212786][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1188.218854][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1188.224252][T25752] ? _copy_from_user+0x1fd/0x300 [ 1188.229627][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1188.234844][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.239792][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.244393][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1188.250054][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1188.255382][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1188.260590][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1188.265727][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.270676][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.275660][T25752] do_syscall_64+0x9f/0x140 [ 1188.280194][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.286105][T25752] RIP: 0033:0x4665d9 [ 1188.289997][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1188.309602][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1188.318081][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1188.326071][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1188.334211][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1188.342298][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1188.350292][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1188.358278][T25752] Uninit was stored to memory at: [ 1188.363336][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1188.369077][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.374019][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.378788][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.383736][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.388766][T25752] do_syscall_64+0x9f/0x140 [ 1188.393284][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.399578][T25752] [ 1188.401893][T25752] Uninit was stored to memory at: [ 1188.406899][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1188.412620][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.417565][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.422165][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.427112][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.431978][T25752] do_syscall_64+0x9f/0x140 [ 1188.436490][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.442387][T25752] [ 1188.444710][T25752] Uninit was stored to memory at: [ 1188.449714][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1188.455437][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.460373][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.465100][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.470144][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.475005][T25752] do_syscall_64+0x9f/0x140 [ 1188.479525][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.485431][T25752] [ 1188.487786][T25752] Uninit was stored to memory at: [ 1188.492992][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1188.498735][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.503779][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.508382][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.513318][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.518199][T25752] do_syscall_64+0x9f/0x140 [ 1188.522957][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.528860][T25752] [ 1188.531782][T25752] Uninit was stored to memory at: [ 1188.536790][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1188.542874][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.547835][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.552437][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.557419][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.562271][T25752] do_syscall_64+0x9f/0x140 [ 1188.566963][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.572853][T25752] [ 1188.575166][T25752] Uninit was stored to memory at: [ 1188.580263][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1188.585996][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.591045][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.595641][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.600603][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.605478][T25752] do_syscall_64+0x9f/0x140 [ 1188.609984][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.616080][T25752] [ 1188.618402][T25752] Uninit was stored to memory at: [ 1188.623564][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1188.629309][T25752] __msan_chain_origin+0x54/0xa0 [ 1188.634269][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1188.639050][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1188.644150][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1188.649157][T25752] do_syscall_64+0x9f/0x140 [ 1188.653684][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1188.659935][T25752] [ 1188.662439][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1188.669624][T25752] do_recvmmsg+0xbf/0x22d0 [ 1188.674237][T25752] do_recvmmsg+0xbf/0x22d0 [ 1188.878424][T25713] not chained 2030000 origins [ 1188.883273][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1188.892144][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1188.902198][T25713] Call Trace: [ 1188.905596][T25713] dump_stack+0x24c/0x2e0 [ 1188.909961][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1188.915768][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1188.920968][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1188.926864][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1188.932502][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1188.937711][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1188.943523][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1188.949780][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1188.955040][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1188.960873][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1188.967179][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1188.972476][T25713] ? _copy_from_user+0x1fd/0x300 [ 1188.977582][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1188.982799][T25713] __msan_chain_origin+0x54/0xa0 [ 1188.987748][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1188.992367][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1188.998191][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1189.003831][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1189.009132][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1189.015141][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1189.020173][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.025119][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.029976][T25713] do_syscall_64+0x9f/0x140 [ 1189.034506][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.040403][T25713] RIP: 0033:0x4665d9 [ 1189.044293][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1189.063942][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1189.072363][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1189.080356][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1189.088338][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1189.096352][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1189.105316][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1189.113322][T25713] Uninit was stored to memory at: [ 1189.118358][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1189.124084][T25713] __msan_chain_origin+0x54/0xa0 [ 1189.129024][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1189.133638][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.138579][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.143449][T25713] do_syscall_64+0x9f/0x140 [ 1189.147981][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.153955][T25713] [ 1189.156293][T25713] Uninit was stored to memory at: [ 1189.161368][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1189.167120][T25713] __msan_chain_origin+0x54/0xa0 [ 1189.172075][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1189.176687][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.182476][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.187607][T25713] do_syscall_64+0x9f/0x140 [ 1189.192128][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.198051][T25713] [ 1189.200390][T25713] Uninit was stored to memory at: [ 1189.205398][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1189.211299][T25713] __msan_chain_origin+0x54/0xa0 [ 1189.216325][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1189.220938][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.226241][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.231307][T25713] do_syscall_64+0x9f/0x140 [ 1189.235820][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.241726][T25713] [ 1189.244045][T25713] Uninit was stored to memory at: [ 1189.249223][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1189.254945][T25713] __msan_chain_origin+0x54/0xa0 [ 1189.259885][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1189.264478][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.269416][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.274264][T25713] do_syscall_64+0x9f/0x140 [ 1189.278795][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.284693][T25713] [ 1189.287012][T25713] Uninit was stored to memory at: [ 1189.292027][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1189.297754][T25713] __msan_chain_origin+0x54/0xa0 [ 1189.302709][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1189.307356][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.312299][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.317152][T25713] do_syscall_64+0x9f/0x140 [ 1189.321678][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.327857][T25713] [ 1189.330181][T25713] Uninit was stored to memory at: [ 1189.335191][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1189.340954][T25713] __msan_chain_origin+0x54/0xa0 [ 1189.345895][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1189.350497][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.355447][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.360348][T25713] do_syscall_64+0x9f/0x140 [ 1189.364890][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.370795][T25713] [ 1189.373110][T25713] Uninit was stored to memory at: [ 1189.378245][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1189.383969][T25713] __msan_chain_origin+0x54/0xa0 [ 1189.388908][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1189.393520][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1189.398547][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1189.403521][T25713] do_syscall_64+0x9f/0x140 [ 1189.408049][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.413947][T25713] [ 1189.416277][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1189.424008][T25713] do_recvmmsg+0xbf/0x22d0 [ 1189.428445][T25713] do_recvmmsg+0xbf/0x22d0 [ 1189.580167][T25752] not chained 2040000 origins [ 1189.584989][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1189.593834][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1189.604346][T25752] Call Trace: [ 1189.607638][T25752] dump_stack+0x24c/0x2e0 [ 1189.612070][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1189.617929][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1189.623144][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1189.629073][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1189.634747][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1189.639977][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1189.645883][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1189.651987][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1189.657207][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1189.663114][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1189.669294][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1189.674590][T25752] ? _copy_from_user+0x1fd/0x300 [ 1189.680056][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1189.685868][T25752] __msan_chain_origin+0x54/0xa0 [ 1189.690818][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1189.695429][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1189.701099][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1189.706416][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1189.711642][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1189.716711][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1189.721959][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1189.726979][T25752] do_syscall_64+0x9f/0x140 [ 1189.731603][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.737514][T25752] RIP: 0033:0x4665d9 [ 1189.741445][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1189.761054][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1189.769634][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1189.778075][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1189.786079][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1189.794841][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1189.803026][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1189.811132][T25752] Uninit was stored to memory at: [ 1189.816148][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1189.821894][T25752] __msan_chain_origin+0x54/0xa0 [ 1189.826859][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1189.831456][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1189.836416][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1189.841280][T25752] do_syscall_64+0x9f/0x140 [ 1189.845797][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.851712][T25752] [ 1189.854033][T25752] Uninit was stored to memory at: [ 1189.859037][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1189.864763][T25752] __msan_chain_origin+0x54/0xa0 [ 1189.869729][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1189.874335][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1189.879271][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1189.884142][T25752] do_syscall_64+0x9f/0x140 [ 1189.888663][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.894555][T25752] [ 1189.896895][T25752] Uninit was stored to memory at: [ 1189.901923][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1189.907649][T25752] __msan_chain_origin+0x54/0xa0 [ 1189.912671][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1189.917282][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1189.922224][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1189.927099][T25752] do_syscall_64+0x9f/0x140 [ 1189.931610][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.937526][T25752] [ 1189.939848][T25752] Uninit was stored to memory at: [ 1189.944880][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1189.950613][T25752] __msan_chain_origin+0x54/0xa0 [ 1189.955587][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1189.960746][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1189.965706][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1189.970596][T25752] do_syscall_64+0x9f/0x140 [ 1189.975110][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1189.981020][T25752] [ 1189.983352][T25752] Uninit was stored to memory at: [ 1189.988499][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1189.994235][T25752] __msan_chain_origin+0x54/0xa0 [ 1189.999192][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1190.003789][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1190.008742][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1190.013602][T25752] do_syscall_64+0x9f/0x140 [ 1190.018125][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.024018][T25752] [ 1190.026336][T25752] Uninit was stored to memory at: [ 1190.031346][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1190.037081][T25752] __msan_chain_origin+0x54/0xa0 [ 1190.042103][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1190.046695][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1190.051661][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1190.056520][T25752] do_syscall_64+0x9f/0x140 [ 1190.061031][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.066927][T25752] [ 1190.069256][T25752] Uninit was stored to memory at: [ 1190.074264][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1190.080003][T25752] __msan_chain_origin+0x54/0xa0 [ 1190.084967][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1190.089554][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1190.094579][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1190.099435][T25752] do_syscall_64+0x9f/0x140 [ 1190.104004][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.109897][T25752] [ 1190.112221][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1190.119030][T25752] do_recvmmsg+0xbf/0x22d0 [ 1190.123453][T25752] do_recvmmsg+0xbf/0x22d0 [ 1190.299229][T25713] not chained 2050000 origins [ 1190.304019][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1190.312800][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1190.322876][T25713] Call Trace: [ 1190.326176][T25713] dump_stack+0x24c/0x2e0 [ 1190.330548][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1190.336282][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1190.341481][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1190.347371][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1190.353428][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1190.358630][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1190.364441][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1190.370512][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1190.375716][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1190.381348][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1190.387422][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1190.392710][T25713] ? _copy_from_user+0x1fd/0x300 [ 1190.397649][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1190.402960][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.407908][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.412642][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1190.419384][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1190.425038][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1190.430330][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1190.436318][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1190.441369][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.446758][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.451626][T25713] do_syscall_64+0x9f/0x140 [ 1190.456147][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.462055][T25713] RIP: 0033:0x4665d9 [ 1190.465960][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1190.485657][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1190.494284][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1190.502257][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1190.510430][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1190.518429][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1190.526422][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1190.534672][T25713] Uninit was stored to memory at: [ 1190.539682][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1190.545401][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.550438][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.555195][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.560140][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.564992][T25713] do_syscall_64+0x9f/0x140 [ 1190.569680][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.575579][T25713] [ 1190.577918][T25713] Uninit was stored to memory at: [ 1190.583682][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1190.589404][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.594360][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.599056][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.604010][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.608993][T25713] do_syscall_64+0x9f/0x140 [ 1190.613534][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.619462][T25713] [ 1190.622064][T25713] Uninit was stored to memory at: [ 1190.627439][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1190.633160][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.638104][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.642733][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.647685][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.652554][T25713] do_syscall_64+0x9f/0x140 [ 1190.657072][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.662964][T25713] [ 1190.665294][T25713] Uninit was stored to memory at: [ 1190.670574][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1190.676323][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.681385][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.686080][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.691025][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.695876][T25713] do_syscall_64+0x9f/0x140 [ 1190.700384][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.706337][T25713] [ 1190.708667][T25713] Uninit was stored to memory at: [ 1190.713699][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1190.719728][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.724887][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.729494][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.734455][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.740347][T25713] do_syscall_64+0x9f/0x140 [ 1190.744892][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.750791][T25713] [ 1190.753109][T25713] Uninit was stored to memory at: [ 1190.758209][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1190.764021][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.768959][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.773544][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.778489][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.783452][T25713] do_syscall_64+0x9f/0x140 [ 1190.787994][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.793902][T25713] [ 1190.796338][T25713] Uninit was stored to memory at: [ 1190.801341][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1190.807063][T25713] __msan_chain_origin+0x54/0xa0 [ 1190.812728][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1190.817343][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1190.822461][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1190.827357][T25713] do_syscall_64+0x9f/0x140 [ 1190.831870][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1190.837761][T25713] [ 1190.840079][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1190.846745][T25713] do_recvmmsg+0xbf/0x22d0 [ 1190.851170][T25713] do_recvmmsg+0xbf/0x22d0 [ 1191.027210][T25752] not chained 2060000 origins [ 1191.032458][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1191.042000][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1191.052420][T25752] Call Trace: [ 1191.055728][T25752] dump_stack+0x24c/0x2e0 [ 1191.060084][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1191.065818][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1191.071142][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1191.077372][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1191.084219][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1191.089652][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1191.095473][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1191.101542][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1191.106777][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1191.112832][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1191.119510][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1191.124810][T25752] ? _copy_from_user+0x1fd/0x300 [ 1191.129766][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1191.135375][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.140431][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.145155][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1191.150957][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1191.156248][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1191.161479][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1191.166545][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.171487][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.176515][T25752] do_syscall_64+0x9f/0x140 [ 1191.181361][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.187457][T25752] RIP: 0033:0x4665d9 [ 1191.191370][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1191.211076][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1191.219511][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1191.228445][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1191.236519][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1191.244513][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1191.252503][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1191.261314][T25752] Uninit was stored to memory at: [ 1191.266371][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1191.272218][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.277169][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.281765][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.286802][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.291662][T25752] do_syscall_64+0x9f/0x140 [ 1191.297474][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.303399][T25752] [ 1191.305736][T25752] Uninit was stored to memory at: [ 1191.310763][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1191.316498][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.321522][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.326121][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.331068][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.335930][T25752] do_syscall_64+0x9f/0x140 [ 1191.340906][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.346808][T25752] [ 1191.349128][T25752] Uninit was stored to memory at: [ 1191.354142][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1191.359890][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.365002][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.369621][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.374565][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.379454][T25752] do_syscall_64+0x9f/0x140 [ 1191.383965][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.389869][T25752] [ 1191.392181][T25752] Uninit was stored to memory at: [ 1191.397281][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1191.403721][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.408770][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.413369][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.418362][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.423675][T25752] do_syscall_64+0x9f/0x140 [ 1191.428291][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.434320][T25752] [ 1191.436637][T25752] Uninit was stored to memory at: [ 1191.441656][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1191.447375][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.452327][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.457025][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.463192][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.468063][T25752] do_syscall_64+0x9f/0x140 [ 1191.472602][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.478512][T25752] [ 1191.480831][T25752] Uninit was stored to memory at: [ 1191.486251][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1191.491974][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.496915][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.501510][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.506482][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.511448][T25752] do_syscall_64+0x9f/0x140 [ 1191.515968][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.521859][T25752] [ 1191.524192][T25752] Uninit was stored to memory at: [ 1191.529514][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1191.535909][T25752] __msan_chain_origin+0x54/0xa0 [ 1191.541018][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1191.545626][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1191.550576][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1191.555529][T25752] do_syscall_64+0x9f/0x140 [ 1191.560062][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.566602][T25752] [ 1191.568925][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1191.575599][T25752] do_recvmmsg+0xbf/0x22d0 [ 1191.580044][T25752] do_recvmmsg+0xbf/0x22d0 [ 1191.751505][T25713] not chained 2070000 origins [ 1191.756335][T25713] CPU: 0 PID: 25713 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 1191.765266][T25713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1191.775410][T25713] Call Trace: [ 1191.778704][T25713] dump_stack+0x24c/0x2e0 [ 1191.783036][T25713] kmsan_internal_chain_origin+0x6f/0x130 [ 1191.788758][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1191.793977][T25713] ? kmsan_internal_check_memory+0xb5/0x520 [ 1191.801293][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1191.806956][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1191.812619][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1191.818467][T25713] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1191.824549][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1191.829782][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1191.835431][T25713] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1191.841508][T25713] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1191.846799][T25713] ? _copy_from_user+0x1fd/0x300 [ 1191.851750][T25713] ? kmsan_get_metadata+0x116/0x180 [ 1191.856942][T25713] __msan_chain_origin+0x54/0xa0 [ 1191.861883][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1191.866507][T25713] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1191.872330][T25713] ? kmsan_internal_set_origin+0x85/0xc0 [ 1191.877971][T25713] ? __msan_poison_alloca+0xec/0x110 [ 1191.883306][T25713] ? __msan_instrument_asm_store+0x107/0x130 [ 1191.889318][T25713] ? __se_sys_recvmmsg+0xd6/0x410 [ 1191.894566][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1191.899524][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1191.904567][T25713] do_syscall_64+0x9f/0x140 [ 1191.909184][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1191.915103][T25713] RIP: 0033:0x4665d9 [ 1191.919097][T25713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1191.941337][T25713] RSP: 002b:00007fc06e5aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1191.950156][T25713] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1191.958170][T25713] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1191.966148][T25713] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1191.974591][T25713] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1191.982665][T25713] R13: 0000000000a9fb1f R14: 00007fc06e5aa300 R15: 0000000000022000 [ 1191.990760][T25713] Uninit was stored to memory at: [ 1191.995788][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1192.001657][T25713] __msan_chain_origin+0x54/0xa0 [ 1192.006639][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1192.011525][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1192.016806][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1192.021783][T25713] do_syscall_64+0x9f/0x140 [ 1192.026292][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.032298][T25713] [ 1192.034615][T25713] Uninit was stored to memory at: [ 1192.039620][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1192.045349][T25713] __msan_chain_origin+0x54/0xa0 [ 1192.050413][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1192.055018][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1192.060056][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1192.065029][T25713] do_syscall_64+0x9f/0x140 [ 1192.069737][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.075657][T25713] [ 1192.077978][T25713] Uninit was stored to memory at: [ 1192.082981][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1192.088718][T25713] __msan_chain_origin+0x54/0xa0 [ 1192.094283][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1192.098879][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1192.103850][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1192.108898][T25713] do_syscall_64+0x9f/0x140 [ 1192.113890][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.119794][T25713] [ 1192.122115][T25713] Uninit was stored to memory at: [ 1192.127223][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1192.133067][T25713] __msan_chain_origin+0x54/0xa0 [ 1192.139111][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1192.143706][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1192.148644][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1192.153494][T25713] do_syscall_64+0x9f/0x140 [ 1192.158009][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.163918][T25713] [ 1192.166241][T25713] Uninit was stored to memory at: [ 1192.171255][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1192.177071][T25713] __msan_chain_origin+0x54/0xa0 [ 1192.182114][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1192.186707][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1192.191647][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1192.196514][T25713] do_syscall_64+0x9f/0x140 [ 1192.201032][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.206925][T25713] [ 1192.209240][T25713] Uninit was stored to memory at: [ 1192.214272][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1192.220010][T25713] __msan_chain_origin+0x54/0xa0 [ 1192.224973][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1192.229583][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1192.234540][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1192.239484][T25713] do_syscall_64+0x9f/0x140 [ 1192.243990][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.249899][T25713] [ 1192.252231][T25713] Uninit was stored to memory at: [ 1192.257236][T25713] kmsan_internal_chain_origin+0xad/0x130 [ 1192.262961][T25713] __msan_chain_origin+0x54/0xa0 [ 1192.267923][T25713] do_recvmmsg+0x17fc/0x22d0 [ 1192.272663][T25713] __se_sys_recvmmsg+0x24a/0x410 [ 1192.277600][T25713] __x64_sys_recvmmsg+0x62/0x80 [ 1192.282461][T25713] do_syscall_64+0x9f/0x140 [ 1192.286959][T25713] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.292855][T25713] [ 1192.295186][T25713] Local variable ----msg_sys@do_recvmmsg created at: [ 1192.301839][T25713] do_recvmmsg+0xbf/0x22d0 [ 1192.306261][T25713] do_recvmmsg+0xbf/0x22d0 [ 1192.462880][T25752] not chained 2080000 origins [ 1192.468349][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1192.477199][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1192.487401][T25752] Call Trace: [ 1192.490704][T25752] dump_stack+0x24c/0x2e0 [ 1192.495055][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1192.500878][T25752] ? exc_page_fault+0x45/0x50 [ 1192.505654][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1192.510874][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1192.516879][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1192.522518][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1192.527720][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1192.533529][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1192.539612][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1192.545276][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1192.550926][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1192.557267][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1192.562574][T25752] ? _copy_from_user+0x1fd/0x300 [ 1192.567703][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1192.573033][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.577990][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.582622][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1192.588262][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1192.593707][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1192.598934][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1192.603997][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.609197][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.614059][T25752] do_syscall_64+0x9f/0x140 [ 1192.618566][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.624459][T25752] RIP: 0033:0x4665d9 [ 1192.628370][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1192.648175][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1192.656604][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1192.664695][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1192.672782][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1192.680764][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1192.688768][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1192.696773][T25752] Uninit was stored to memory at: [ 1192.701887][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1192.708551][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.713503][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.718095][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.723120][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.728121][T25752] do_syscall_64+0x9f/0x140 [ 1192.732634][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.738543][T25752] [ 1192.740878][T25752] Uninit was stored to memory at: [ 1192.745911][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1192.751668][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.756613][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.761208][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.766260][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.771118][T25752] do_syscall_64+0x9f/0x140 [ 1192.775625][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.782580][T25752] [ 1192.784900][T25752] Uninit was stored to memory at: [ 1192.790121][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1192.795860][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.800826][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.805456][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.810410][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.815376][T25752] do_syscall_64+0x9f/0x140 [ 1192.820153][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.826081][T25752] [ 1192.828399][T25752] Uninit was stored to memory at: [ 1192.833405][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1192.839184][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.844309][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.848932][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.853874][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.858734][T25752] do_syscall_64+0x9f/0x140 [ 1192.863251][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.869266][T25752] [ 1192.871587][T25752] Uninit was stored to memory at: [ 1192.876608][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1192.882340][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.887316][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.891917][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.896975][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.901848][T25752] do_syscall_64+0x9f/0x140 [ 1192.906385][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.912292][T25752] [ 1192.914624][T25752] Uninit was stored to memory at: [ 1192.919643][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1192.925421][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.930453][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.935049][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.940021][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.944879][T25752] do_syscall_64+0x9f/0x140 [ 1192.949421][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.955453][T25752] [ 1192.957795][T25752] Uninit was stored to memory at: [ 1192.962816][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1192.968537][T25752] __msan_chain_origin+0x54/0xa0 [ 1192.973488][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1192.978107][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1192.983056][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1192.988299][T25752] do_syscall_64+0x9f/0x140 [ 1192.993627][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1192.999545][T25752] [ 1193.001877][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1193.008642][T25752] do_recvmmsg+0xbf/0x22d0 [ 1193.013078][T25752] do_recvmmsg+0xbf/0x22d0 00:34:17 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x1100}, 0x0) 00:34:17 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000700)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x2}]}, 0x24}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00', 0x0}) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000022c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x2c, r5, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x14a0}], @NL80211_ATTR_DURATION={0x8, 0x57, 0x80}]}, 0x2c}}, 0x0) sendmsg$NL80211_CMD_TRIGGER_SCAN(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="050000000000000000002100000008000300", @ANYRES32=r2], 0x1c}}, 0x0) 00:34:17 executing program 4: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20}, 0x1c) listen(r0, 0x7) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e20, @remote}, 0x10) getsockopt$inet_int(r1, 0x10d, 0xd3, &(0x7f0000000100), &(0x7f0000000080)=0x4) 00:34:17 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$UI_SET_ABSBIT(r0, 0x40045567, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x3) write$uinput_user_dev(r0, &(0x7f0000000f40)={'syz0\x00', {}, 0x0, [], [], [0x7]}, 0x45c) ioctl$UI_DEV_CREATE(r0, 0x5501) write$uinput_user_dev(r0, &(0x7f0000000ac0)={'syz0\x00', {}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x3]}, 0x45c) 00:34:17 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000440)={'syz_tun\x00', &(0x7f0000000400)=@ethtool_stats={0xf}}) [ 1193.352686][T25774] input: syz0 as /devices/virtual/input/input57 00:34:17 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$UI_SET_ABSBIT(r0, 0x40045567, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x3) write$uinput_user_dev(r0, &(0x7f0000000f40)={'syz0\x00', {}, 0x0, [], [], [0x7]}, 0x45c) ioctl$UI_DEV_CREATE(r0, 0x5501) write$uinput_user_dev(r0, &(0x7f0000000ac0)={'syz0\x00', {}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x3]}, 0x45c) [ 1193.507959][T25787] openvswitch: netlink: Message has 2 unknown bytes. [ 1193.660361][T25790] input: syz0 as /devices/virtual/input/input58 [ 1193.808530][T25752] not chained 2090000 origins [ 1193.813302][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1193.822129][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1193.832220][T25752] Call Trace: [ 1193.835539][T25752] dump_stack+0x24c/0x2e0 [ 1193.839947][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1193.845800][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1193.853050][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1193.858989][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1193.864687][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1193.869926][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1193.875915][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1193.882031][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1193.887414][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1193.893107][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1193.899230][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1193.904562][T25752] ? _copy_from_user+0x1fd/0x300 [ 1193.909540][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1193.914779][T25752] __msan_chain_origin+0x54/0xa0 [ 1193.919870][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1193.924514][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1193.930574][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1193.935899][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1193.941135][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1193.946196][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1193.951176][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1193.956069][T25752] do_syscall_64+0x9f/0x140 [ 1193.960612][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1193.966543][T25752] RIP: 0033:0x4665d9 [ 1193.970456][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1193.990118][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1193.998576][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1194.006586][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1194.014615][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1194.023060][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1194.031155][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1194.039176][T25752] Uninit was stored to memory at: [ 1194.044223][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.049990][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.054971][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.059631][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.064619][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.069518][T25752] do_syscall_64+0x9f/0x140 [ 1194.074063][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.079991][T25752] [ 1194.082333][T25752] Uninit was stored to memory at: [ 1194.087369][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.093147][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.098152][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.102784][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.108026][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.112914][T25752] do_syscall_64+0x9f/0x140 [ 1194.117466][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.123482][T25752] [ 1194.125828][T25752] Uninit was stored to memory at: [ 1194.130869][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.136649][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.142577][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.147206][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.152202][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.157085][T25752] do_syscall_64+0x9f/0x140 [ 1194.161789][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.167713][T25752] [ 1194.170042][T25752] Uninit was stored to memory at: [ 1194.175101][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.180871][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.185941][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.190574][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.195569][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.200470][T25752] do_syscall_64+0x9f/0x140 [ 1194.205020][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.210954][T25752] [ 1194.213405][T25752] Uninit was stored to memory at: [ 1194.218442][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.224204][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.229189][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.233824][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.238815][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.243726][T25752] do_syscall_64+0x9f/0x140 [ 1194.248278][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.254211][T25752] [ 1194.256556][T25752] Uninit was stored to memory at: [ 1194.261592][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.267350][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.272342][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.276995][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.281975][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.286982][T25752] do_syscall_64+0x9f/0x140 [ 1194.291532][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.297484][T25752] [ 1194.299824][T25752] Uninit was stored to memory at: [ 1194.304856][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.310703][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.315683][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.320318][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.325387][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.330291][T25752] do_syscall_64+0x9f/0x140 [ 1194.334840][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.340787][T25752] [ 1194.343149][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1194.349937][T25752] do_recvmmsg+0xbf/0x22d0 [ 1194.354395][T25752] do_recvmmsg+0xbf/0x22d0 [ 1194.679631][T25752] not chained 2100000 origins [ 1194.684368][T25752] CPU: 0 PID: 25752 Comm: syz-executor.3 Not tainted 5.12.0-rc6-syzkaller #0 [ 1194.693276][T25752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1194.703973][T25752] Call Trace: [ 1194.707281][T25752] dump_stack+0x24c/0x2e0 [ 1194.711657][T25752] kmsan_internal_chain_origin+0x6f/0x130 [ 1194.717587][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1194.722829][T25752] ? kmsan_internal_check_memory+0xb5/0x520 [ 1194.728809][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1194.734922][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1194.740174][T25752] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1194.746050][T25752] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1194.752160][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1194.757426][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1194.763105][T25752] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1194.769352][T25752] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1194.774790][T25752] ? _copy_from_user+0x1fd/0x300 [ 1194.779785][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1194.785018][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.789994][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.794635][T25752] ? kmsan_internal_set_origin+0x85/0xc0 [ 1194.800303][T25752] ? __msan_poison_alloca+0xec/0x110 [ 1194.805626][T25752] ? kmsan_get_metadata+0x116/0x180 [ 1194.810859][T25752] ? __se_sys_recvmmsg+0xd6/0x410 [ 1194.815938][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.820973][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.825877][T25752] do_syscall_64+0x9f/0x140 [ 1194.830422][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.836352][T25752] RIP: 0033:0x4665d9 [ 1194.840276][T25752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1194.859909][T25752] RSP: 002b:00007eff98f09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1194.868364][T25752] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9 [ 1194.876374][T25752] RDX: 03ffffffffffff62 RSI: 00000000200005c0 RDI: 0000000000000004 [ 1194.884497][T25752] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1194.892661][T25752] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1194.900662][T25752] R13: 0000000000a9fb1f R14: 00007eff98f09300 R15: 0000000000022000 [ 1194.908673][T25752] Uninit was stored to memory at: [ 1194.913726][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.919504][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.924744][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.929383][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.934365][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.939274][T25752] do_syscall_64+0x9f/0x140 [ 1194.943840][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.949773][T25752] [ 1194.952120][T25752] Uninit was stored to memory at: [ 1194.957147][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1194.962898][T25752] __msan_chain_origin+0x54/0xa0 [ 1194.967879][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1194.972503][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1194.977477][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1194.982383][T25752] do_syscall_64+0x9f/0x140 [ 1194.986926][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1194.992853][T25752] [ 1194.995188][T25752] Uninit was stored to memory at: [ 1195.000215][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1195.005969][T25752] __msan_chain_origin+0x54/0xa0 [ 1195.010942][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1195.015569][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1195.020557][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1195.025444][T25752] do_syscall_64+0x9f/0x140 [ 1195.029981][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1195.035907][T25752] [ 1195.038245][T25752] Uninit was stored to memory at: [ 1195.043285][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1195.049043][T25752] __msan_chain_origin+0x54/0xa0 [ 1195.054107][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1195.058738][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1195.063738][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1195.068649][T25752] do_syscall_64+0x9f/0x140 [ 1195.073194][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1195.079144][T25752] [ 1195.081489][T25752] Uninit was stored to memory at: [ 1195.086538][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1195.092296][T25752] __msan_chain_origin+0x54/0xa0 [ 1195.097268][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1195.101894][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1195.106869][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1195.111757][T25752] do_syscall_64+0x9f/0x140 [ 1195.116313][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1195.122239][T25752] [ 1195.124581][T25752] Uninit was stored to memory at: [ 1195.129610][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1195.135373][T25752] __msan_chain_origin+0x54/0xa0 [ 1195.140354][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1195.144986][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1195.149959][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1195.154864][T25752] do_syscall_64+0x9f/0x140 [ 1195.159407][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1195.165341][T25752] [ 1195.167706][T25752] Uninit was stored to memory at: [ 1195.172763][T25752] kmsan_internal_chain_origin+0xad/0x130 [ 1195.178527][T25752] __msan_chain_origin+0x54/0xa0 [ 1195.183587][T25752] do_recvmmsg+0x17fc/0x22d0 [ 1195.188214][T25752] __se_sys_recvmmsg+0x24a/0x410 [ 1195.193188][T25752] __x64_sys_recvmmsg+0x62/0x80 [ 1195.198081][T25752] do_syscall_64+0x9f/0x140 [ 1195.202624][T25752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1195.208561][T25752] [ 1195.210916][T25752] Local variable ----msg_sys@do_recvmmsg created at: [ 1195.217601][T25752] do_recvmmsg+0xbf/0x22d0 [ 1195.222139][T25752] do_recvmmsg+0xbf/0x22d0 00:34:19 executing program 1: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000080)={0x7, 0x8, 0xfa00, {r1}}, 0x10) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f00000000c0)={0x7, 0x8, 0xfa00, {r1}}, 0x10) 00:34:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000440)={'syz_tun\x00', &(0x7f0000000400)=@ethtool_stats={0xf}}) 00:34:19 executing program 4: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20}, 0x1c) listen(r0, 0x7) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e20, @remote}, 0x10) getsockopt$inet_int(r1, 0x10d, 0xd3, &(0x7f0000000100), &(0x7f0000000080)=0x4) 00:34:19 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000700)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x2}]}, 0x24}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00', 0x0}) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000022c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x2c, r5, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x14a0}], @NL80211_ATTR_DURATION={0x8, 0x57, 0x80}]}, 0x2c}}, 0x0) sendmsg$NL80211_CMD_TRIGGER_SCAN(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="050000000000000000002100000008000300", @ANYRES32=r2], 0x1c}}, 0x0) 00:34:19 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x1200}, 0x0) 00:34:19 executing program 3: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="66530700ae897094e7b126b097eaa769be6d05c41bd34e677d114b654b499374a8db38f8c44f7b7d9ce423c26f45958dc387cf4c2e1fea4b7a3dfc8ea6a7efefe48dd9e05485b4ff15f715134d82ce9c0952d644157684e3dae491de7642a7c52cc2d523be91b5877341e0e1dcc2025aa18c9228103b66e1d49d31d322dbecfa63da445b8bef5bd9125939f50bd2d4ed96a074eb04a348a666bf58b23ac4edcce412245deacb1f630e4052b9d6c20a45c772242f63a6bf41a08f4951d60a70381691f296d588ee40d58160fa80f4e9461103fa13cdce25381a61500f763b300ac9c3b764a21eae193e82bb2368d59d1ffc82e6f7ea600ca04676e2950757000000000000000000b8ed4384f736c8d43bf53ce457f30a842e7e7265db0f", 0x11d}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x5) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x3ff}}}, 0x78) sendmsg$inet(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000080)="4dc3", 0x2}], 0x1}, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:34:19 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000440)={'syz_tun\x00', &(0x7f0000000400)=@ethtool_stats={0xf}}) 00:34:20 executing program 1: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000080)={0x7, 0x8, 0xfa00, {r1}}, 0x10) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f00000000c0)={0x7, 0x8, 0xfa00, {r1}}, 0x10) [ 1196.038498][T25815] openvswitch: netlink: Message has 2 unknown bytes. 00:34:20 executing program 3: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="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", 0x11d}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x5) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x3ff}}}, 0x78) sendmsg$inet(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000080)="4dc3", 0x2}], 0x1}, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:34:20 executing program 4: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20}, 0x1c) listen(r0, 0x7) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e20, @remote}, 0x10) getsockopt$inet_int(r1, 0x10d, 0xd3, &(0x7f0000000100), &(0x7f0000000080)=0x4) 00:34:20 executing program 0: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000440)={'syz_tun\x00', &(0x7f0000000400)=@ethtool_stats={0xf}}) 00:34:20 executing program 1: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000080)={0x7, 0x8, 0xfa00, {r1}}, 0x10) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f00000000c0)={0x7, 0x8, 0xfa00, {r1}}, 0x10) 00:34:20 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x2000}, 0x0) 00:34:20 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000700)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x2}]}, 0x24}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'wlan1\x00', 0x0}) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000022c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x2c, r5, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x14a0}], @NL80211_ATTR_DURATION={0x8, 0x57, 0x80}]}, 0x2c}}, 0x0) sendmsg$NL80211_CMD_TRIGGER_SCAN(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="050000000000000000002100000008000300", @ANYRES32=r2], 0x1c}}, 0x0) 00:34:20 executing program 3: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="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", 0x11d}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x5) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x3ff}}}, 0x78) sendmsg$inet(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000080)="4dc3", 0x2}], 0x1}, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:34:20 executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) listen(r0, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000000)=[@in6={0xa, 0x0, 0x0, @private2}], 0x1c) 00:34:21 executing program 1: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000080)={0x7, 0x8, 0xfa00, {r1}}, 0x10) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f00000000c0)={0x7, 0x8, 0xfa00, {r1}}, 0x10) [ 1196.941743][T25837] openvswitch: netlink: Message has 2 unknown bytes. 00:34:21 executing program 4: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20}, 0x1c) listen(r0, 0x7) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e20, @remote}, 0x10) getsockopt$inet_int(r1, 0x10d, 0xd3, &(0x7f0000000100), &(0x7f0000000080)=0x4) 00:34:21 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x2500}, 0x0) 00:34:21 executing program 3: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="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", 0x11d}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x5) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x3ff}}}, 0x78) sendmsg$inet(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000080)="4dc3", 0x2}], 0x1}, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:34:21 executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) listen(r0, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000000)=[@in6={0xa, 0x0, 0x0, @private2}], 0x1c) 00:34:21 executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000002c0), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000008d80)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000004200)={0x50, 0x0, r1}, 0x50) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0) syz_fuse_handle_req(r0, &(0x7f0000004300)="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", 0x2000, &(0x7f0000006d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90}, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)={0x90, 0x0, 0x0, {0x5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}}}, 0x0, 0x0, 0x0, 0x0}) 00:34:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r1, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x67) mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r1, 0x0) pipe(&(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}, {&(0x7f0000000100)="f9", 0x1}, {&(0x7f0000000180)="776d9d388685e51b4fd049bd41f4a9d2718bb1194c9571ac13be7a8ec706716cff46510d72da87019cc45e023273f29a0733ecb521acce2db5de1f196d24fb142c36e1858d9e2e5be0c96d63ce5320426e6727db51bec85eab8117933ce5dea0d34c7200767ede0fbf7e4a2891d30980a487e87ffde528185fbfab8ed38e15c224a0f96b9e3c309181c317ddb729845f095a50540bc54cb008fc2da2e990602c09dee2954944abbee35a80b9b72e7263b517eb99488302eb7247a902cd40f904f2e596bafb7458a99c6ed3e070af0e4b0c3e00513dd69c895d93de1e3a4a78", 0xdf}, {&(0x7f00000005c0)="11ac325e27208134172147b9f04e79c0319f4958549530d153f8578649c513b1c60a4bc687ae751b862b215361289bce42395c79829be73981714f227784cc213516ecdaece733d76269c43a7ea568ffe36c460363a8e7b0364610a4fe8d6ae0c7875d5115d6b733f9ee0d7df117be76ff887b6982fc4771178c26ea581945015faa6a34", 0xfffffc43}], 0x4, 0x0) close(r3) socket$inet_udplite(0x2, 0x2, 0x88) bind$inet(r3, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast2}, 0x10) splice(r2, 0x0, r3, 0x0, 0x80000000, 0x0) [ 1197.709178][T25857] openvswitch: netlink: Message has 2 unknown bytes. 00:34:21 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read(r0, &(0x7f0000000140)=""/45, 0x2d) r2 = socket$alg(0x26, 0x5, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="c15681ffffffff05a9433e9f3095f34a692cf639090b68dfaff9453bbc7d8110ba61b1b042db7379ea4a6ab6fbcf3e983e80763fd33c79a09afcfa776898342351be024b5ff752fcb85c65abaf96d30f7b38f4b57a1ed4c993cc2cb73ebce31e466ad15e1c7cf47a8d06dac786d8701765131a95d7a923a31dc4b412deae1ab0", 0x80}, {&(0x7f0000000200)="0b690410e83398c1db6625c088c3708323d9650291b3a0ccafb2ca5067d2e760e392fa70a509023780d63ba90c", 0x2d}], 0x2, 0x0) r3 = dup(r2) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r4 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1e8640, 0x0) 00:34:21 executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) listen(r0, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000000)=[@in6={0xa, 0x0, 0x0, @private2}], 0x1c) 00:34:22 executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000002c0), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000008d80)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000004200)={0x50, 0x0, r1}, 0x50) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90}, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)={0x90, 0x0, 0x0, {0x5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}}}, 0x0, 0x0, 0x0, 0x0}) 00:34:22 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x25000, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0x1) 00:34:22 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x350a}, 0x0) 00:34:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r1, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x67) mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r1, 0x0) pipe(&(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}, {&(0x7f0000000100)="f9", 0x1}, {&(0x7f0000000180)="776d9d388685e51b4fd049bd41f4a9d2718bb1194c9571ac13be7a8ec706716cff46510d72da87019cc45e023273f29a0733ecb521acce2db5de1f196d24fb142c36e1858d9e2e5be0c96d63ce5320426e6727db51bec85eab8117933ce5dea0d34c7200767ede0fbf7e4a2891d30980a487e87ffde528185fbfab8ed38e15c224a0f96b9e3c309181c317ddb729845f095a50540bc54cb008fc2da2e990602c09dee2954944abbee35a80b9b72e7263b517eb99488302eb7247a902cd40f904f2e596bafb7458a99c6ed3e070af0e4b0c3e00513dd69c895d93de1e3a4a78", 0xdf}, {&(0x7f00000005c0)="11ac325e27208134172147b9f04e79c0319f4958549530d153f8578649c513b1c60a4bc687ae751b862b215361289bce42395c79829be73981714f227784cc213516ecdaece733d76269c43a7ea568ffe36c460363a8e7b0364610a4fe8d6ae0c7875d5115d6b733f9ee0d7df117be76ff887b6982fc4771178c26ea581945015faa6a34", 0xfffffc43}], 0x4, 0x0) close(r3) socket$inet_udplite(0x2, 0x2, 0x88) bind$inet(r3, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast2}, 0x10) splice(r2, 0x0, r3, 0x0, 0x80000000, 0x0) 00:34:22 executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) listen(r0, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000000)=[@in6={0xa, 0x0, 0x0, @private2}], 0x1c) 00:34:22 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read(r0, &(0x7f0000000140)=""/45, 0x2d) r2 = socket$alg(0x26, 0x5, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="c15681ffffffff05a9433e9f3095f34a692cf639090b68dfaff9453bbc7d8110ba61b1b042db7379ea4a6ab6fbcf3e983e80763fd33c79a09afcfa776898342351be024b5ff752fcb85c65abaf96d30f7b38f4b57a1ed4c993cc2cb73ebce31e466ad15e1c7cf47a8d06dac786d8701765131a95d7a923a31dc4b412deae1ab0", 0x80}, {&(0x7f0000000200)="0b690410e83398c1db6625c088c3708323d9650291b3a0ccafb2ca5067d2e760e392fa70a509023780d63ba90c", 0x2d}], 0x2, 0x0) r3 = dup(r2) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r4 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1e8640, 0x0) [ 1198.548919][T25881] openvswitch: netlink: Message has 2 unknown bytes. [ 1198.789132][T25888] ===================================================== [ 1198.796209][T25888] BUG: KMSAN: uninit-value in nf_conntrack_udplite_packet+0x6cc/0x12d0 [ 1198.804499][T25888] CPU: 1 PID: 25888 Comm: syz-executor.5 Not tainted 5.12.0-rc6-syzkaller #0 [ 1198.813359][T25888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1198.823543][T25888] Call Trace: [ 1198.826851][T25888] dump_stack+0x24c/0x2e0 [ 1198.831225][T25888] kmsan_report+0xfb/0x1e0 [ 1198.835690][T25888] __msan_warning+0x5c/0xa0 [ 1198.840245][T25888] nf_conntrack_udplite_packet+0x6cc/0x12d0 [ 1198.846191][T25888] nf_conntrack_in+0x104b/0x296d [ 1198.851265][T25888] ipv4_conntrack_local+0x225/0x3b0 [ 1198.856868][T25888] ? ipv4_conntrack_in+0x80/0x80 [ 1198.861846][T25888] nf_hook_slow+0x17b/0x460 [ 1198.866395][T25888] __ip_local_out+0x78c/0x840 [ 1198.871148][T25888] ? __ip_local_out+0x840/0x840 [ 1198.876043][T25888] ip_send_skb+0xb1/0x350 [ 1198.880418][T25888] udp_send_skb+0x152d/0x1bc0 [ 1198.885142][T25888] udp_sendpage+0x7f2/0xba0 [ 1198.889684][T25888] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 1198.895795][T25888] ? inet_send_prepare+0x92/0x6b0 [ 1198.900867][T25888] ? kmsan_get_metadata+0x116/0x180 [ 1198.906118][T25888] ? udplite_getfrag+0x140/0x140 [ 1198.911093][T25888] inet_sendpage+0x1da/0x2f0 [ 1198.916003][T25888] kernel_sendpage+0x47a/0x590 [ 1198.920843][T25888] ? inet_sendmsg+0x1d0/0x1d0 [ 1198.925866][T25888] sock_sendpage+0x161/0x1a0 [ 1198.930749][T25888] pipe_to_sendpage+0x3e4/0x520 [ 1198.935929][T25888] ? sock_fasync+0x250/0x250 [ 1198.940670][T25888] __splice_from_pipe+0x5e3/0xff0 [ 1198.945773][T25888] ? generic_splice_sendpage+0x2c0/0x2c0 [ 1198.951566][T25888] generic_splice_sendpage+0x1d5/0x2c0 [ 1198.957215][T25888] ? iter_file_splice_write+0x1b20/0x1b20 [ 1198.963076][T25888] do_splice+0x23c3/0x2c10 [ 1198.967547][T25888] ? __perf_event_task_sched_in+0xbc7/0xdb0 [ 1198.973654][T25888] ? kmsan_get_metadata+0x116/0x180 [ 1198.978897][T25888] ? kmsan_get_metadata+0x116/0x180 [ 1198.984145][T25888] ? kmsan_internal_set_origin+0x85/0xc0 [ 1198.989929][T25888] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1198.996071][T25888] ? __msan_instrument_asm_store+0x107/0x130 [ 1199.002103][T25888] ? __msan_get_context_state+0x9/0x20 [ 1199.007628][T25888] ? kmsan_get_metadata+0x116/0x180 [ 1199.012883][T25888] __se_sys_splice+0x8fa/0xb50 [ 1199.017717][T25888] __x64_sys_splice+0x6e/0x90 [ 1199.022468][T25888] do_syscall_64+0x9f/0x140 [ 1199.027036][T25888] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1199.032976][T25888] RIP: 0033:0x4665d9 [ 1199.036907][T25888] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1199.056638][T25888] RSP: 002b:00007fb16ae76188 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 1199.065113][T25888] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9 [ 1199.073124][T25888] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000005 [ 1199.081137][T25888] RBP: 00000000004bfcb9 R08: 0000000080000000 R09: 0000000000000000 [ 1199.089169][T25888] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 [ 1199.097176][T25888] R13: 0000000000a9fb1f R14: 00007fb16ae76300 R15: 0000000000022000 [ 1199.105198][T25888] [ 1199.107545][T25888] Uninit was stored to memory at: [ 1199.112572][T25888] kmsan_internal_chain_origin+0xad/0x130 [ 1199.118350][T25888] __msan_chain_origin+0x54/0xa0 [ 1199.123333][T25888] udp_send_skb+0x1767/0x1bc0 [ 1199.128063][T25888] udp_sendpage+0x7f2/0xba0 [ 1199.132608][T25888] inet_sendpage+0x1da/0x2f0 [ 1199.137251][T25888] kernel_sendpage+0x47a/0x590 [ 1199.142073][T25888] sock_sendpage+0x161/0x1a0 [ 1199.146701][T25888] pipe_to_sendpage+0x3e4/0x520 [ 1199.151702][T25888] __splice_from_pipe+0x5e3/0xff0 [ 1199.156784][T25888] generic_splice_sendpage+0x1d5/0x2c0 [ 1199.162276][T25888] do_splice+0x23c3/0x2c10 [ 1199.166731][T25888] __se_sys_splice+0x8fa/0xb50 [ 1199.171531][T25888] __x64_sys_splice+0x6e/0x90 [ 1199.176249][T25888] do_syscall_64+0x9f/0x140 [ 1199.180792][T25888] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1199.186714][T25888] [ 1199.189045][T25888] Uninit was stored to memory at: [ 1199.194064][T25888] kmsan_internal_chain_origin+0xad/0x130 [ 1199.199861][T25888] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 1199.205882][T25888] kmsan_memcpy_metadata+0xb/0x10 [ 1199.210952][T25888] __msan_memcpy+0x46/0x60 [ 1199.215405][T25888] skb_copy_bits+0x293/0x1040 [ 1199.220112][T25888] tpacket_rcv+0x550a/0x8010 [ 1199.224742][T25888] __netif_receive_skb+0x1ec/0x640 [ 1199.229914][T25888] process_backlog+0x517/0xbd0 [ 1199.234802][T25888] __napi_poll+0x13e/0xca0 [ 1199.239248][T25888] net_rx_action+0x726/0x14a0 [ 1199.243952][T25888] __do_softirq+0x1b9/0x715 [ 1199.248488][T25888] [ 1199.250819][T25888] Uninit was stored to memory at: [ 1199.255845][T25888] kmsan_internal_chain_origin+0xad/0x130 [ 1199.261605][T25888] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 1199.267628][T25888] kmsan_memcpy_metadata+0xb/0x10 [ 1199.272787][T25888] __msan_memcpy+0x46/0x60 [ 1199.277236][T25888] pskb_expand_head+0x3d6/0x1e20 [ 1199.282202][T25888] batadv_skb_head_push+0x2cc/0x410 [ 1199.287440][T25888] batadv_send_skb_packet+0x1ed/0x970 [ 1199.292951][T25888] batadv_send_broadcast_skb+0x76/0x90 [ 1199.298460][T25888] batadv_iv_send_outstanding_bat_ogm_packet+0xb2d/0xef0 [ 1199.305576][T25888] process_one_work+0x1219/0x1fe0 [ 1199.310661][T25888] worker_thread+0x10ec/0x2340 [ 1199.315470][T25888] kthread+0x521/0x560 [ 1199.319588][T25888] ret_from_fork+0x1f/0x30 [ 1199.324051][T25888] [ 1199.326384][T25888] Uninit was created at: [ 1199.330625][T25888] kmsan_internal_poison_shadow+0x5c/0xf0 [ 1199.336477][T25888] kmsan_slab_alloc+0x8e/0xe0 [ 1199.341204][T25888] __kmalloc_node_track_caller+0xa4f/0x1470 [ 1199.347591][T25888] __alloc_skb+0x4dd/0xe90 [ 1199.352063][T25888] __netdev_alloc_skb+0x45d/0x810 [ 1199.357122][T25888] batadv_iv_ogm_queue_add+0x1376/0x1c40 [ 1199.362798][T25888] batadv_iv_ogm_schedule+0x12cd/0x16b0 [ 1199.368396][T25888] batadv_iv_send_outstanding_bat_ogm_packet+0xd6e/0xef0 [ 1199.375477][T25888] process_one_work+0x1219/0x1fe0 [ 1199.380551][T25888] worker_thread+0x10ec/0x2340 [ 1199.385351][T25888] kthread+0x521/0x560 00:34:23 executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000002c0), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000008d80)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000004200)={0x50, 0x0, r1}, 0x50) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90}, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)={0x90, 0x0, 0x0, {0x5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}}}, 0x0, 0x0, 0x0, 0x0}) [ 1199.389624][T25888] ret_from_fork+0x1f/0x30 [ 1199.394067][T25888] ===================================================== [ 1199.401012][T25888] Disabling lock debugging due to kernel taint 00:34:23 executing program 0: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read(r0, &(0x7f0000000140)=""/45, 0x2d) r2 = socket$alg(0x26, 0x5, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="c15681ffffffff05a9433e9f3095f34a692cf639090b68dfaff9453bbc7d8110ba61b1b042db7379ea4a6ab6fbcf3e983e80763fd33c79a09afcfa776898342351be024b5ff752fcb85c65abaf96d30f7b38f4b57a1ed4c993cc2cb73ebce31e466ad15e1c7cf47a8d06dac786d8701765131a95d7a923a31dc4b412deae1ab0", 0x80}, {&(0x7f0000000200)="0b690410e83398c1db6625c088c3708323d9650291b3a0ccafb2ca5067d2e760e392fa70a509023780d63ba90c", 0x2d}], 0x2, 0x0) r3 = dup(r2) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r4 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1e8640, 0x0) 00:34:23 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1000002, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@ipv6_newroute={0x24, 0x18, 0x1, 0x0, 0x0, {}, [@RTA_PREF={0x5}]}, 0x24}}, 0x0) 00:34:23 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read(r0, &(0x7f0000000140)=""/45, 0x2d) r2 = socket$alg(0x26, 0x5, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="c15681ffffffff05a9433e9f3095f34a692cf639090b68dfaff9453bbc7d8110ba61b1b042db7379ea4a6ab6fbcf3e983e80763fd33c79a09afcfa776898342351be024b5ff752fcb85c65abaf96d30f7b38f4b57a1ed4c993cc2cb73ebce31e466ad15e1c7cf47a8d06dac786d8701765131a95d7a923a31dc4b412deae1ab0", 0x80}, {&(0x7f0000000200)="0b690410e83398c1db6625c088c3708323d9650291b3a0ccafb2ca5067d2e760e392fa70a509023780d63ba90c", 0x2d}], 0x2, 0x0) r3 = dup(r2) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r4 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1e8640, 0x0) 00:34:23 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x4000}, 0x0) [ 1200.022405][T25905] openvswitch: netlink: Message has 2 unknown bytes. 00:34:24 executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000002c0), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000008d80)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000004200)={0x50, 0x0, r1}, 0x50) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90}, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)={0x90, 0x0, 0x0, {0x5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}}}, 0x0, 0x0, 0x0, 0x0}) 00:34:24 executing program 0: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read(r0, &(0x7f0000000140)=""/45, 0x2d) r2 = socket$alg(0x26, 0x5, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="c15681ffffffff05a9433e9f3095f34a692cf639090b68dfaff9453bbc7d8110ba61b1b042db7379ea4a6ab6fbcf3e983e80763fd33c79a09afcfa776898342351be024b5ff752fcb85c65abaf96d30f7b38f4b57a1ed4c993cc2cb73ebce31e466ad15e1c7cf47a8d06dac786d8701765131a95d7a923a31dc4b412deae1ab0", 0x80}, {&(0x7f0000000200)="0b690410e83398c1db6625c088c3708323d9650291b3a0ccafb2ca5067d2e760e392fa70a509023780d63ba90c", 0x2d}], 0x2, 0x0) r3 = dup(r2) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r4 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1e8640, 0x0) 00:34:24 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read(r0, &(0x7f0000000140)=""/45, 0x2d) r2 = socket$alg(0x26, 0x5, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="c15681ffffffff05a9433e9f3095f34a692cf639090b68dfaff9453bbc7d8110ba61b1b042db7379ea4a6ab6fbcf3e983e80763fd33c79a09afcfa776898342351be024b5ff752fcb85c65abaf96d30f7b38f4b57a1ed4c993cc2cb73ebce31e466ad15e1c7cf47a8d06dac786d8701765131a95d7a923a31dc4b412deae1ab0", 0x80}, {&(0x7f0000000200)="0b690410e83398c1db6625c088c3708323d9650291b3a0ccafb2ca5067d2e760e392fa70a509023780d63ba90c", 0x2d}], 0x2, 0x0) r3 = dup(r2) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r4 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1e8640, 0x0) 00:34:24 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1000002, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@ipv6_newroute={0x24, 0x18, 0x1, 0x0, 0x0, {}, [@RTA_PREF={0x5}]}, 0x24}}, 0x0) 00:34:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r1, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x67) mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r1, 0x0) pipe(&(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}, {&(0x7f0000000100)="f9", 0x1}, {&(0x7f0000000180)="776d9d388685e51b4fd049bd41f4a9d2718bb1194c9571ac13be7a8ec706716cff46510d72da87019cc45e023273f29a0733ecb521acce2db5de1f196d24fb142c36e1858d9e2e5be0c96d63ce5320426e6727db51bec85eab8117933ce5dea0d34c7200767ede0fbf7e4a2891d30980a487e87ffde528185fbfab8ed38e15c224a0f96b9e3c309181c317ddb729845f095a50540bc54cb008fc2da2e990602c09dee2954944abbee35a80b9b72e7263b517eb99488302eb7247a902cd40f904f2e596bafb7458a99c6ed3e070af0e4b0c3e00513dd69c895d93de1e3a4a78", 0xdf}, {&(0x7f00000005c0)="11ac325e27208134172147b9f04e79c0319f4958549530d153f8578649c513b1c60a4bc687ae751b862b215361289bce42395c79829be73981714f227784cc213516ecdaece733d76269c43a7ea568ffe36c460363a8e7b0364610a4fe8d6ae0c7875d5115d6b733f9ee0d7df117be76ff887b6982fc4771178c26ea581945015faa6a34", 0xfffffc43}], 0x4, 0x0) close(r3) socket$inet_udplite(0x2, 0x2, 0x88) bind$inet(r3, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast2}, 0x10) splice(r2, 0x0, r3, 0x0, 0x80000000, 0x0) 00:34:26 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x4800}, 0x0) 00:34:26 executing program 0: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read(r0, &(0x7f0000000140)=""/45, 0x2d) r2 = socket$alg(0x26, 0x5, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="c15681ffffffff05a9433e9f3095f34a692cf639090b68dfaff9453bbc7d8110ba61b1b042db7379ea4a6ab6fbcf3e983e80763fd33c79a09afcfa776898342351be024b5ff752fcb85c65abaf96d30f7b38f4b57a1ed4c993cc2cb73ebce31e466ad15e1c7cf47a8d06dac786d8701765131a95d7a923a31dc4b412deae1ab0", 0x80}, {&(0x7f0000000200)="0b690410e83398c1db6625c088c3708323d9650291b3a0ccafb2ca5067d2e760e392fa70a509023780d63ba90c", 0x2d}], 0x2, 0x0) r3 = dup(r2) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-generic\x00'}, 0x58) r4 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1e8640, 0x0) 00:34:26 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0xa, 0x0, &(0x7f0000000100)) 00:34:26 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1000002, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@ipv6_newroute={0x24, 0x18, 0x1, 0x0, 0x0, {}, [@RTA_PREF={0x5}]}, 0x24}}, 0x0) 00:34:26 executing program 1: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010000a504bd40eb030200c0ba0000000109021b0001000000000904000001b504b100090581"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000006c0)={0x84, &(0x7f0000000200), 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 00:34:26 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0xa, 0x0, &(0x7f0000000100)) [ 1202.619159][T25946] openvswitch: netlink: Message has 2 unknown bytes. 00:34:26 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat(0xffffffffffffffff, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x12, r1, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, 0x0, 0x0) getsockopt$netlink(r0, 0x10e, 0x9, 0x0, &(0x7f0000001000)) [ 1202.813561][T23779] usb 2-1: new high-speed USB device number 44 using dummy_hcd 00:34:27 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0xa, 0x0, &(0x7f0000000100)) 00:34:27 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat(0xffffffffffffffff, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x12, r1, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, 0x0, 0x0) getsockopt$netlink(r0, 0x10e, 0x9, 0x0, &(0x7f0000001000)) 00:34:27 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x4c00}, 0x0) 00:34:27 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1000002, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@ipv6_newroute={0x24, 0x18, 0x1, 0x0, 0x0, {}, [@RTA_PREF={0x5}]}, 0x24}}, 0x0) [ 1203.195115][T23779] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 1203.206058][T23779] usb 2-1: New USB device found, idVendor=03eb, idProduct=0002, bcdDevice=ba.c0 [ 1203.215508][T23779] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1203.329354][T23779] usb 2-1: config 0 descriptor?? 00:34:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r1, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x67) mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r1, 0x0) pipe(&(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}, {&(0x7f0000000100)="f9", 0x1}, {&(0x7f0000000180)="776d9d388685e51b4fd049bd41f4a9d2718bb1194c9571ac13be7a8ec706716cff46510d72da87019cc45e023273f29a0733ecb521acce2db5de1f196d24fb142c36e1858d9e2e5be0c96d63ce5320426e6727db51bec85eab8117933ce5dea0d34c7200767ede0fbf7e4a2891d30980a487e87ffde528185fbfab8ed38e15c224a0f96b9e3c309181c317ddb729845f095a50540bc54cb008fc2da2e990602c09dee2954944abbee35a80b9b72e7263b517eb99488302eb7247a902cd40f904f2e596bafb7458a99c6ed3e070af0e4b0c3e00513dd69c895d93de1e3a4a78", 0xdf}, {&(0x7f00000005c0)="11ac325e27208134172147b9f04e79c0319f4958549530d153f8578649c513b1c60a4bc687ae751b862b215361289bce42395c79829be73981714f227784cc213516ecdaece733d76269c43a7ea568ffe36c460363a8e7b0364610a4fe8d6ae0c7875d5115d6b733f9ee0d7df117be76ff887b6982fc4771178c26ea581945015faa6a34", 0xfffffc43}], 0x4, 0x0) close(r3) socket$inet_udplite(0x2, 0x2, 0x88) bind$inet(r3, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast2}, 0x10) splice(r2, 0x0, r3, 0x0, 0x80000000, 0x0) 00:34:27 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0xa, 0x0, &(0x7f0000000100)) 00:34:27 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat(0xffffffffffffffff, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x12, r1, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, 0x0, 0x0) getsockopt$netlink(r0, 0x10e, 0x9, 0x0, &(0x7f0000001000)) [ 1203.522781][T25964] openvswitch: netlink: Message has 2 unknown bytes. [ 1203.656163][T23779] rc_core: IR keymap rc-hauppauge not found [ 1203.662307][T23779] Registered IR keymap rc-empty [ 1203.668989][T23779] rc rc0: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc0 00:34:27 executing program 3: pipe(&(0x7f0000000100)) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000004a80)=[{{0x0, 0x0, &(0x7f0000001240)=[{&(0x7f0000000100)="6fa38909", 0x4}], 0x1}}], 0x1, 0x0) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="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", 0x113}], 0x4, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x5) tkill(r1, 0x34) ptrace$cont(0x18, r1, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfff, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xee01}}}, 0x78) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) exit_group(0x0) [ 1203.779489][T23779] input: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc0/input59 00:34:27 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat(0xffffffffffffffff, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x12, r1, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, 0x0, 0x0) getsockopt$netlink(r0, 0x10e, 0x9, 0x0, &(0x7f0000001000)) [ 1204.107259][T23779] usb 2-1: USB disconnect, device number 44 [ 1204.893441][T23779] usb 2-1: new high-speed USB device number 45 using dummy_hcd [ 1205.253584][T23779] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 1205.264118][T23779] usb 2-1: New USB device found, idVendor=03eb, idProduct=0002, bcdDevice=ba.c0 [ 1205.273549][T23779] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1205.329034][T23779] usb 2-1: config 0 descriptor?? [ 1205.443549][T23779] rc_core: IR keymap rc-hauppauge not found [ 1205.449723][T23779] Registered IR keymap rc-empty [ 1205.455896][T23779] rc rc0: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc0 [ 1205.467987][T23779] input: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc0/input60 00:34:29 executing program 1: r0 = socket(0x10, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000000100)={'syztnl1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000080)={'ip6_vti0\x00', &(0x7f0000000000)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}, @mcast2={0xff, 0x5}}}) 00:34:29 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x6000}, 0x0) [ 1205.575307][T23779] usb 2-1: USB disconnect, device number 45 00:34:29 executing program 3: pipe(&(0x7f0000000100)) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000004a80)=[{{0x0, 0x0, &(0x7f0000001240)=[{&(0x7f0000000100)="6fa38909", 0x4}], 0x1}}], 0x1, 0x0) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="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", 0x113}], 0x4, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x5) tkill(r1, 0x34) ptrace$cont(0x18, r1, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfff, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xee01}}}, 0x78) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:34:29 executing program 4: r0 = getpgrp(0xffffffffffffffff) process_vm_writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)=""/208, 0xd0}, {&(0x7f0000000100)=""/129, 0x81}, {&(0x7f0000000840)=""/243, 0xeb}], 0x3, &(0x7f00000007c0)=[{&(0x7f0000000300)=""/223, 0xdf}, {0xfffffffffffffffc, 0xfd24}, {&(0x7f0000000400)=""/245, 0xf5}, {&(0x7f0000000500)=""/145, 0x91}, {&(0x7f0000000600)=""/188, 0xbc}, {&(0x7f00000006c0)=""/218, 0xda}], 0x6, 0x0) 00:34:29 executing program 0: socket$inet_icmp_raw(0x2, 0x3, 0x1) syz_emit_ethernet(0x46, &(0x7f0000001100)={@local, @multicast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x1, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @local}, @time_exceeded={0x5, 0x0, 0x0, 0x3, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x17}}, "ec0e2d730f7083d3"}}}}}, 0x0) 00:34:29 executing program 5: migrate_pages(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)) fork() migrate_pages(0x0, 0x1f, &(0x7f0000000080)=0x5, &(0x7f00000000c0)=0x2) [ 1205.810953][T26029] openvswitch: netlink: Message has 2 unknown bytes. 00:34:30 executing program 0: socket$inet_icmp_raw(0x2, 0x3, 0x1) syz_emit_ethernet(0x46, &(0x7f0000001100)={@local, @multicast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x1, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @local}, @time_exceeded={0x5, 0x0, 0x0, 0x3, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x17}}, "ec0e2d730f7083d3"}}}}}, 0x0) 00:34:30 executing program 3: pipe(&(0x7f0000000100)) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000004a80)=[{{0x0, 0x0, &(0x7f0000001240)=[{&(0x7f0000000100)="6fa38909", 0x4}], 0x1}}], 0x1, 0x0) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="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", 0x113}], 0x4, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x5) tkill(r1, 0x34) ptrace$cont(0x18, r1, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfff, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xee01}}}, 0x78) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:34:30 executing program 1: r0 = socket(0x10, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000000100)={'syztnl1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000080)={'ip6_vti0\x00', &(0x7f0000000000)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}, @mcast2={0xff, 0x5}}}) 00:34:30 executing program 4: r0 = getpgrp(0xffffffffffffffff) process_vm_writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)=""/208, 0xd0}, {&(0x7f0000000100)=""/129, 0x81}, {&(0x7f0000000840)=""/243, 0xeb}], 0x3, &(0x7f00000007c0)=[{&(0x7f0000000300)=""/223, 0xdf}, {0xfffffffffffffffc, 0xfd24}, {&(0x7f0000000400)=""/245, 0xf5}, {&(0x7f0000000500)=""/145, 0x91}, {&(0x7f0000000600)=""/188, 0xbc}, {&(0x7f00000006c0)=""/218, 0xda}], 0x6, 0x0) 00:34:30 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x6800}, 0x0) 00:34:30 executing program 0: socket$inet_icmp_raw(0x2, 0x3, 0x1) syz_emit_ethernet(0x46, &(0x7f0000001100)={@local, @multicast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x1, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @local}, @time_exceeded={0x5, 0x0, 0x0, 0x3, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x17}}, "ec0e2d730f7083d3"}}}}}, 0x0) 00:34:30 executing program 3: pipe(&(0x7f0000000100)) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000004a80)=[{{0x0, 0x0, &(0x7f0000001240)=[{&(0x7f0000000100)="6fa38909", 0x4}], 0x1}}], 0x1, 0x0) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000140)="66530700ae897094e7b126b097eaa769be6d05c41bd34e677d114b654b499374a8db38f8c44f7b7d9ce423c26f45958dc387cf4c2e1fea4b7a3dfc8ea6a7efefe48dd9e05485b4ff15f715134d82ce9c0952d644157684e3dae491de7642a7c52cc2d523be91b5877341e0e1dcc2025aa18c9228103b66e1d49d31d322dbecfa63da445b8bef5bd9125939f50bd2d4ed96a074eb04a348a666bf58b23ac4edcce412245deacb1f630e4052b9d6c20a45c772242f63a6bf41a08f4951d60a70381691f296d588ee40d58160fa80f4e9461103fa13cdce25381a61500f763b300ac9c3b764a21eae193e82bb2368d59d1ffc82e6f7ea600ca04676e2950757000000000000000000b8ed4384f736c8d43bf53ce4", 0x113}], 0x4, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x5) tkill(r1, 0x34) ptrace$cont(0x18, r1, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000080)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfff, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xee01}}}, 0x78) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) exit_group(0x0) 00:34:30 executing program 1: r0 = socket(0x10, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000000100)={'syztnl1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000080)={'ip6_vti0\x00', &(0x7f0000000000)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}, @mcast2={0xff, 0x5}}}) [ 1206.790834][T26064] openvswitch: netlink: Message has 2 unknown bytes. 00:34:31 executing program 0: socket$inet_icmp_raw(0x2, 0x3, 0x1) syz_emit_ethernet(0x46, &(0x7f0000001100)={@local, @multicast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x1, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @local}, @time_exceeded={0x5, 0x0, 0x0, 0x3, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @loopback, @dev={0xac, 0x14, 0x14, 0x17}}, "ec0e2d730f7083d3"}}}}}, 0x0) 00:34:31 executing program 3: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000580)='/proc/consoles\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendfile(r0, r1, 0x0, 0x20000000005) mq_open(&(0x7f000084dff0)='!\x00nu\\\x00\x00\x00\x86\xbaCga1`h', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000000040)={0x0, 0x1, 0x1f}) 00:34:31 executing program 4: r0 = getpgrp(0xffffffffffffffff) process_vm_writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)=""/208, 0xd0}, {&(0x7f0000000100)=""/129, 0x81}, {&(0x7f0000000840)=""/243, 0xeb}], 0x3, &(0x7f00000007c0)=[{&(0x7f0000000300)=""/223, 0xdf}, {0xfffffffffffffffc, 0xfd24}, {&(0x7f0000000400)=""/245, 0xf5}, {&(0x7f0000000500)=""/145, 0x91}, {&(0x7f0000000600)=""/188, 0xbc}, {&(0x7f00000006c0)=""/218, 0xda}], 0x6, 0x0) 00:34:31 executing program 5: migrate_pages(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)) fork() migrate_pages(0x0, 0x1f, &(0x7f0000000080)=0x5, &(0x7f00000000c0)=0x2) 00:34:31 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x6c00}, 0x0) 00:34:31 executing program 1: r0 = socket(0x10, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000000100)={'syztnl1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000080)={'ip6_vti0\x00', &(0x7f0000000000)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}, @mcast2={0xff, 0x5}}}) 00:34:31 executing program 0: migrate_pages(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)) fork() migrate_pages(0x0, 0x1f, &(0x7f0000000080)=0x5, &(0x7f00000000c0)=0x2) 00:34:31 executing program 3: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000580)='/proc/consoles\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendfile(r0, r1, 0x0, 0x20000000005) mq_open(&(0x7f000084dff0)='!\x00nu\\\x00\x00\x00\x86\xbaCga1`h', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000000040)={0x0, 0x1, 0x1f}) [ 1207.717022][T26088] openvswitch: netlink: Message has 2 unknown bytes. 00:34:32 executing program 4: r0 = getpgrp(0xffffffffffffffff) process_vm_writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)=""/208, 0xd0}, {&(0x7f0000000100)=""/129, 0x81}, {&(0x7f0000000840)=""/243, 0xeb}], 0x3, &(0x7f00000007c0)=[{&(0x7f0000000300)=""/223, 0xdf}, {0xfffffffffffffffc, 0xfd24}, {&(0x7f0000000400)=""/245, 0xf5}, {&(0x7f0000000500)=""/145, 0x91}, {&(0x7f0000000600)=""/188, 0xbc}, {&(0x7f00000006c0)=""/218, 0xda}], 0x6, 0x0) 00:34:32 executing program 3: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000580)='/proc/consoles\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendfile(r0, r1, 0x0, 0x20000000005) mq_open(&(0x7f000084dff0)='!\x00nu\\\x00\x00\x00\x86\xbaCga1`h', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000000040)={0x0, 0x1, 0x1f}) 00:34:32 executing program 0: migrate_pages(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)) fork() migrate_pages(0x0, 0x1f, &(0x7f0000000080)=0x5, &(0x7f00000000c0)=0x2) 00:34:32 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000039000511d25a80648c63940d0124fc600d0035400c0002000200000037153e370a00018004001d00d1bd", 0x2e}], 0x1, 0x0, 0x0, 0x7400}, 0x0) 00:34:32 executing program 3: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000580)='/proc/consoles\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendfile(r0, r1, 0x0, 0x20000000005) mq_open(&(0x7f000084dff0)='!\x00nu\\\x00\x00\x00\x86\xbaCga1`h', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000000040)={0x0, 0x1, 0x1f}) 00:34:32 executing program 1: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000580)='/proc/consoles\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendfile(r0, r1, 0x0, 0x20000000005) mq_open(&(0x7f000084dff0)='!\x00nu\\\x00\x00\x00\x86\xbaCga1`h', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000000040)={0x0, 0x1, 0x1f})