syzkaller login: [ 45.137502] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:56031' (ECDSA) to the list of known hosts. 2023/05/18 09:56:23 fuzzer started 2023/05/18 09:56:23 dialing manager at localhost:44319 2023/05/18 09:56:23 checking machine... 2023/05/18 09:56:23 checking revisions... [ 46.410590] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:56:23 testing simple program... [ 46.497808] cgroup: Unknown subsys name 'net' [ 46.640012] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.821996] audit: type=1400 audit(1684403797.265:6): 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 [ 60.939356] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.942230] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.951722] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.966914] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.968753] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.969514] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 61.296683] ------------[ cut here ]------------ [ 61.297171] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.298249] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.299083] Modules linked in: [ 61.299347] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.300098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.300909] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.301322] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 61.302963] RSP: 0018:ffff88802014fc00 EFLAGS: 00010282 [ 61.303391] RAX: 0000000000000000 RBX: ffff888015b85c40 RCX: 0000000000000000 [ 61.305534] RDX: ffff88800fc651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.306368] RBP: ffff888015b85c54 R08: 0000000000000001 R09: 0000000000000000 [ 61.307019] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.307787] R13: ffffffff84e23fe0 R14: ffff888015b85c48 R15: ffffffff84d74dc0 [ 61.308474] FS: 0000555556309400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.309197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.309648] CR2: 00007fb0268ac6f4 CR3: 0000000019fa4000 CR4: 0000000000350ef0 [ 61.310379] Call Trace: [ 61.310588] [ 61.311081] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.311454] ipv4_frags_init_net+0x269/0x440 [ 61.311850] ops_init+0xbb/0x6b0 [ 61.312241] setup_net+0x3d9/0x990 [ 61.312533] ? down_read_killable+0x1d7/0x4e0 [ 61.313054] ? __pfx_setup_net+0x10/0x10 [ 61.313391] ? copy_net_ns+0x17c/0x770 [ 61.315023] copy_net_ns+0x321/0x770 [ 61.315424] create_new_namespaces+0x3f6/0xb30 [ 61.315835] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.316483] ksys_unshare+0x44d/0x8e0 [ 61.316879] ? __pfx_ksys_unshare+0x10/0x10 [ 61.317333] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.317829] __x64_sys_unshare+0x31/0x40 [ 61.318296] do_syscall_64+0x3f/0x90 [ 61.318608] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.319306] RIP: 0033:0x7f3fe07fc0d7 [ 61.319608] 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 [ 61.321299] RSP: 002b:00007fff25a20d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.321940] RAX: ffffffffffffffda RBX: 00007fff25a213a8 RCX: 00007f3fe07fc0d7 [ 61.322592] RDX: 00007f3fe086641f RSI: 00007fff25a20d00 RDI: 0000000040000000 [ 61.325081] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff25a20b10 [ 61.325624] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3fe090ebf0 [ 61.326230] R13: 00007fff25a20e40 R14: 0000000000000000 R15: 00000000000000f8 [ 61.328276] [ 61.328474] irq event stamp: 8871 [ 61.328763] hardirqs last enabled at (8883): [] __up_console_sem+0x78/0x80 [ 61.329462] hardirqs last disabled at (8892): [] __up_console_sem+0x5d/0x80 [ 61.330164] softirqs last enabled at (8496): [] irq_exit_rcu+0x93/0xc0 [ 61.330912] softirqs last disabled at (8481): [] irq_exit_rcu+0x93/0xc0 [ 61.331572] ---[ end trace 0000000000000000 ]--- [ 61.335752] ------------[ cut here ]------------ [ 61.336123] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.337211] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.337909] Modules linked in: [ 61.338193] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.339060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.339680] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.340135] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 61.341524] RSP: 0018:ffff88802014fc00 EFLAGS: 00010282 [ 61.341990] RAX: 0000000000000000 RBX: ffff88800e809040 RCX: 0000000000000000 [ 61.342547] RDX: ffff88800fc651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.343280] RBP: ffff88800e809054 R08: 0000000000000001 R09: 0000000000000000 [ 61.343894] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.344433] R13: ffffffff84e23fe0 R14: ffff88800e809048 R15: ffffffff84da7d60 [ 61.345044] FS: 0000555556309400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.345656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.346154] CR2: 00007fb0268ac6f4 CR3: 0000000019fa4000 CR4: 0000000000350ef0 [ 61.346693] Call Trace: [ 61.347064] [ 61.347256] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.347646] ipv6_frags_init_net+0x206/0x3c0 [ 61.348030] ops_init+0xbb/0x6b0 [ 61.348314] setup_net+0x3d9/0x990 [ 61.348598] ? down_read_killable+0x1d7/0x4e0 [ 61.349011] ? __pfx_setup_net+0x10/0x10 [ 61.349335] ? copy_net_ns+0x17c/0x770 [ 61.349662] copy_net_ns+0x321/0x770 [ 61.350038] create_new_namespaces+0x3f6/0xb30 [ 61.350418] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.350973] ksys_unshare+0x44d/0x8e0 [ 61.351302] ? __pfx_ksys_unshare+0x10/0x10 [ 61.351657] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.352172] __x64_sys_unshare+0x31/0x40 [ 61.352506] do_syscall_64+0x3f/0x90 [ 61.352866] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.353327] RIP: 0033:0x7f3fe07fc0d7 [ 61.353628] 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 [ 61.355129] RSP: 002b:00007fff25a20d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.355745] RAX: ffffffffffffffda RBX: 00007fff25a213a8 RCX: 00007f3fe07fc0d7 [ 61.356336] RDX: 00007f3fe086641f RSI: 00007fff25a20d00 RDI: 0000000040000000 [ 61.356930] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff25a20b10 [ 61.357477] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3fe090ebf0 [ 61.358094] R13: 00007fff25a20e40 R14: 0000000000000000 R15: 00000000000000f8 [ 61.358658] [ 61.358998] irq event stamp: 10595 [ 61.359280] hardirqs last enabled at (10605): [] __up_console_sem+0x78/0x80 [ 61.359998] hardirqs last disabled at (10616): [] __up_console_sem+0x5d/0x80 [ 61.360680] softirqs last enabled at (10546): [] irq_exit_rcu+0x93/0xc0 [ 61.361384] softirqs last disabled at (10537): [] irq_exit_rcu+0x93/0xc0 [ 61.362095] ---[ end trace 0000000000000000 ]--- [ 61.370775] ------------[ cut here ]------------ [ 61.371299] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.372540] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.373268] Modules linked in: [ 61.373533] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.374328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.375222] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.375633] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 61.377014] RSP: 0018:ffff88802014fbf0 EFLAGS: 00010286 [ 61.377421] RAX: 0000000000000000 RBX: ffff88800e809640 RCX: 0000000000000000 [ 61.378001] RDX: ffff88800fc651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.378562] RBP: ffff88800e809654 R08: 0000000000000001 R09: 0000000000000000 [ 61.379178] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.379733] R13: ffffffff84e23fe0 R14: ffff88800e809648 R15: ffffffff84db0aa0 [ 61.380325] FS: 0000555556309400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.380947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.381392] CR2: 00007fb0268ac6f4 CR3: 0000000019fa4000 CR4: 0000000000350ef0 [ 61.382008] Call Trace: [ 61.382219] [ 61.382413] nf_ct_net_init+0x224/0x3d0 [ 61.382937] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.383349] ops_init+0xbb/0x6b0 [ 61.383643] setup_net+0x3d9/0x990 [ 61.383996] ? down_read_killable+0x1d7/0x4e0 [ 61.384364] ? __pfx_setup_net+0x10/0x10 [ 61.384690] ? copy_net_ns+0x17c/0x770 [ 61.385087] copy_net_ns+0x321/0x770 [ 61.385444] create_new_namespaces+0x3f6/0xb30 [ 61.385874] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.386288] ksys_unshare+0x44d/0x8e0 [ 61.386610] ? __pfx_ksys_unshare+0x10/0x10 [ 61.387067] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.387547] __x64_sys_unshare+0x31/0x40 [ 61.387899] do_syscall_64+0x3f/0x90 [ 61.388207] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.388620] RIP: 0033:0x7f3fe07fc0d7 [ 61.388965] 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 [ 61.390373] RSP: 002b:00007fff25a20d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.391049] RAX: ffffffffffffffda RBX: 00007fff25a213a8 RCX: 00007f3fe07fc0d7 [ 61.391586] RDX: 00007f3fe086641f RSI: 00007fff25a20d00 RDI: 0000000040000000 [ 61.392193] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff25a20b10 [ 61.392754] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3fe090ebf0 [ 61.393326] R13: 00007fff25a20e40 R14: 0000000000000000 R15: 00000000000000f8 [ 61.393907] [ 61.394149] irq event stamp: 11391 [ 61.394429] hardirqs last enabled at (11401): [] __up_console_sem+0x78/0x80 [ 61.395184] hardirqs last disabled at (11412): [] __up_console_sem+0x5d/0x80 [ 61.395864] softirqs last enabled at (10958): [] irq_exit_rcu+0x93/0xc0 [ 61.396548] softirqs last disabled at (10947): [] irq_exit_rcu+0x93/0xc0 [ 61.397210] ---[ end trace 0000000000000000 ]--- [ 63.015500] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.062869] Bluetooth: hci0: command 0x041b tx timeout [ 67.111006] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.158978] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:56:38 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802014f5f8 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556309400 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=00007fb0268ac6f4 CR3=0000000019fa4000 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=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 info registers vcpu 1 RAX=ffff888016d17f28 RBX=0000000000000001 RCX=0000000000000001 RDX=1ffff11002da2e9d RSI=ffffffff844cfb2c RDI=ffff888016d174a0 RBP=ffff888016d174f8 RSP=ffff888016d17430 R8 =ffffffff8608f2ba R9 =ffffffff8608f2be R10=0000000000038001 R11=ffff888016d174e0 R12=ffff888016d17568 R13=ffff888016d174e8 R14=ffff888016c91b40 R15=ffff888016d174a0 RIP=ffffffff81130354 RFL=00000282 [--S----] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f65a13fa900 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=00007f65a07eb590 CR3=000000000e9cc000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d3d14dba1ead1793000000000013ffd8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=bb7a2a4a4feb435300000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000