[ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:36653' (ECDSA) to the list of known hosts. 2023/05/17 00:15:28 fuzzer started 2023/05/17 00:15:29 dialing manager at localhost:35573 2023/05/17 00:15:29 checking machine... 2023/05/17 00:15:29 checking revisions... syzkaller login: [ 39.346808] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:15:29 testing simple program... [ 39.416824] cgroup: Unknown subsys name 'net' [ 39.493489] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.065971] audit: type=1400 audit(1684282542.085:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.212258] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.214205] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.216102] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.219207] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.220572] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.222915] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.591102] ------------[ cut here ]------------ [ 53.591760] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.593494] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.594622] Modules linked in: [ 53.595027] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.599793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.600920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.601571] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.603976] RSP: 0018:ffff88801a6e7c00 EFLAGS: 00010282 [ 53.604758] RAX: 0000000000000000 RBX: ffff88800d64c440 RCX: 0000000000000000 [ 53.605766] RDX: ffff88801a6d0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.606742] RBP: ffff88800d64c454 R08: 0000000000000001 R09: 0000000000000000 [ 53.607731] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.608709] R13: ffffffff84e223a0 R14: ffff88800d64c448 R15: ffffffff84d73340 [ 53.609715] FS: 0000555555a6d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.610850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.611569] CR2: 00007f61acba46f4 CR3: 000000000f20a000 CR4: 0000000000350ee0 [ 53.612553] Call Trace: [ 53.612999] [ 53.613297] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.614013] ipv4_frags_init_net+0x269/0x440 [ 53.614580] ops_init+0xbb/0x6b0 [ 53.615135] setup_net+0x3d9/0x990 [ 53.615589] ? down_read_killable+0x1d7/0x4e0 [ 53.616260] ? __pfx_setup_net+0x10/0x10 [ 53.616916] ? copy_net_ns+0x17c/0x770 [ 53.617421] copy_net_ns+0x321/0x770 [ 53.618064] create_new_namespaces+0x3f6/0xb30 [ 53.618851] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.619468] ksys_unshare+0x44d/0x8e0 [ 53.620162] ? __pfx_ksys_unshare+0x10/0x10 [ 53.620827] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.621536] __x64_sys_unshare+0x31/0x40 [ 53.622087] do_syscall_64+0x3f/0x90 [ 53.622579] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.623257] RIP: 0033:0x7f4df1f570d7 [ 53.623761] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 53.625944] RSP: 002b:00007fff83067358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.626899] RAX: ffffffffffffffda RBX: 00007fff83067998 RCX: 00007f4df1f570d7 [ 53.627788] RDX: 00007f4df1fc141f RSI: 00007fff830672f0 RDI: 0000000040000000 [ 53.628671] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff83067100 [ 53.629526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4df2069bf0 [ 53.630422] R13: 00007fff83067430 R14: 0000000000000000 R15: 00000000000000f8 [ 53.631322] [ 53.631652] irq event stamp: 9401 [ 53.632074] hardirqs last enabled at (9411): [] __up_console_sem+0x78/0x80 [ 53.633139] hardirqs last disabled at (9422): [] __up_console_sem+0x5d/0x80 [ 53.634217] softirqs last enabled at (9296): [] irq_exit_rcu+0x93/0xc0 [ 53.635246] softirqs last disabled at (9287): [] irq_exit_rcu+0x93/0xc0 [ 53.636266] ---[ end trace 0000000000000000 ]--- [ 53.642168] ------------[ cut here ]------------ [ 53.642796] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.644437] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.645502] Modules linked in: [ 53.645941] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.647117] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.648149] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.648836] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.651068] RSP: 0018:ffff88801a6e7c00 EFLAGS: 00010282 [ 53.651768] RAX: 0000000000000000 RBX: ffff88800d67cc40 RCX: 0000000000000000 [ 53.652683] RDX: ffff88801a6d0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.653543] RBP: ffff88800d67cc54 R08: 0000000000000001 R09: 0000000000000000 [ 53.654485] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.655368] R13: ffffffff84e223a0 R14: ffff88800d67cc48 R15: ffffffff84da62e0 [ 53.656256] FS: 0000555555a6d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.657264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.658010] CR2: 00007f61acba46f4 CR3: 000000000f20a000 CR4: 0000000000350ee0 [ 53.658913] Call Trace: [ 53.659241] [ 53.659536] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.660190] ipv6_frags_init_net+0x206/0x3c0 [ 53.660780] ops_init+0xbb/0x6b0 [ 53.661227] setup_net+0x3d9/0x990 [ 53.661718] ? down_read_killable+0x1d7/0x4e0 [ 53.662303] ? __pfx_setup_net+0x10/0x10 [ 53.662858] ? copy_net_ns+0x17c/0x770 [ 53.663384] copy_net_ns+0x321/0x770 [ 53.663891] create_new_namespaces+0x3f6/0xb30 [ 53.664480] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.665131] ksys_unshare+0x44d/0x8e0 [ 53.665662] ? __pfx_ksys_unshare+0x10/0x10 [ 53.666229] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.666999] __x64_sys_unshare+0x31/0x40 [ 53.667540] do_syscall_64+0x3f/0x90 [ 53.668042] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.668708] RIP: 0033:0x7f4df1f570d7 [ 53.669175] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 53.671358] RSP: 002b:00007fff83067358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.672302] RAX: ffffffffffffffda RBX: 00007fff83067998 RCX: 00007f4df1f570d7 [ 53.673205] RDX: 00007f4df1fc141f RSI: 00007fff830672f0 RDI: 0000000040000000 [ 53.674097] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff83067100 [ 53.675020] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4df2069bf0 [ 53.675917] R13: 00007fff83067430 R14: 0000000000000000 R15: 00000000000000f8 [ 53.676832] [ 53.677137] irq event stamp: 11401 [ 53.677575] hardirqs last enabled at (11411): [] __up_console_sem+0x78/0x80 [ 53.678675] hardirqs last disabled at (11424): [] __up_console_sem+0x5d/0x80 [ 53.679746] softirqs last enabled at (11174): [] irq_exit_rcu+0x93/0xc0 [ 53.680782] softirqs last disabled at (11169): [] irq_exit_rcu+0x93/0xc0 [ 53.681816] ---[ end trace 0000000000000000 ]--- [ 53.683228] ------------[ cut here ]------------ [ 53.683838] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.685751] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.686830] Modules linked in: [ 53.687237] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.688386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.689387] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.690051] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.692227] RSP: 0018:ffff88801a6e7bf0 EFLAGS: 00010286 [ 53.692915] RAX: 0000000000000000 RBX: ffff88800d67d440 RCX: 0000000000000000 [ 53.693806] RDX: ffff88801a6d0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.694713] RBP: ffff88800d67d454 R08: 0000000000000001 R09: 0000000000000000 [ 53.695575] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.696471] R13: ffffffff84e223a0 R14: ffff88800d67d448 R15: ffffffff84daf020 [ 53.697370] FS: 0000555555a6d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.698371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.699121] CR2: 00007f61acba46f4 CR3: 000000000f20a000 CR4: 0000000000350ee0 [ 53.700025] Call Trace: [ 53.700354] [ 53.700689] nf_ct_net_init+0x224/0x3d0 [ 53.701204] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.701807] ops_init+0xbb/0x6b0 [ 53.702276] setup_net+0x3d9/0x990 [ 53.702765] ? down_read_killable+0x1d7/0x4e0 [ 53.703346] ? __pfx_setup_net+0x10/0x10 [ 53.703894] ? copy_net_ns+0x17c/0x770 [ 53.704400] copy_net_ns+0x321/0x770 [ 53.704913] create_new_namespaces+0x3f6/0xb30 [ 53.705504] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.706180] ksys_unshare+0x44d/0x8e0 [ 53.706713] ? __pfx_ksys_unshare+0x10/0x10 [ 53.707264] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.708016] __x64_sys_unshare+0x31/0x40 [ 53.708530] do_syscall_64+0x3f/0x90 [ 53.709037] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.709710] RIP: 0033:0x7f4df1f570d7 [ 53.710185] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 53.712362] RSP: 002b:00007fff83067358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.713327] RAX: ffffffffffffffda RBX: 00007fff83067998 RCX: 00007f4df1f570d7 [ 53.714262] RDX: 00007f4df1fc141f RSI: 00007fff830672f0 RDI: 0000000040000000 [ 53.715159] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff83067100 [ 53.716062] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4df2069bf0 [ 53.716964] R13: 00007fff83067430 R14: 0000000000000000 R15: 00000000000000f8 [ 53.717887] [ 53.718205] irq event stamp: 12161 [ 53.718673] hardirqs last enabled at (12173): [] __up_console_sem+0x78/0x80 [ 53.719746] hardirqs last disabled at (12184): [] __up_console_sem+0x5d/0x80 [ 53.720824] softirqs last enabled at (11934): [] irq_exit_rcu+0x93/0xc0 [ 53.721872] softirqs last disabled at (11925): [] irq_exit_rcu+0x93/0xc0 [ 53.722936] ---[ end trace 0000000000000000 ]--- executing program [ 55.232282] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.280208] Bluetooth: hci0: command 0x041b tx timeout [ 59.327667] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.375678] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:15:39 Registers: info registers vcpu 0 RAX=00000000000263c9 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc23f0a0b30 CR3=000000000ed90000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2033343a35313a30302037312079614d XMM01=5d3732303539352e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a6e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555555a6d400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f61acba46f4 CR3=000000000f20a000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000