syzkaller login: [ 32.882970] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:48084' (ECDSA) to the list of known hosts. 2023/05/17 14:20:29 fuzzer started 2023/05/17 14:20:29 dialing manager at localhost:44319 2023/05/17 14:20:29 checking machine... 2023/05/17 14:20:29 checking revisions... [ 37.846401] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:20:29 testing simple program... [ 37.924420] cgroup: Unknown subsys name 'net' [ 38.008944] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.644829] audit: type=1400 audit(1684333242.310:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.786910] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.788569] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.791180] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.795117] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.796990] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.799099] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.188774] ------------[ cut here ]------------ [ 52.189572] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.191945] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.193020] Modules linked in: [ 52.193429] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.194844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.199314] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.200203] 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 [ 52.202543] RSP: 0018:ffff888019e6fc00 EFLAGS: 00010282 [ 52.203266] RAX: 0000000000000000 RBX: ffff88800cb91440 RCX: 0000000000000000 [ 52.204179] RDX: ffff8880167d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.205076] RBP: ffff88800cb91454 R08: 0000000000000001 R09: 0000000000000000 [ 52.205983] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.206886] R13: ffffffff84e23fe0 R14: ffff88800cb91448 R15: ffffffff84d74dc0 [ 52.207793] FS: 0000555555ee1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.208790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.209501] CR2: 00007fe04ac0f550 CR3: 0000000019da8000 CR4: 0000000000350ef0 [ 52.210388] Call Trace: [ 52.210747] [ 52.211043] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.211666] ipv4_frags_init_net+0x269/0x440 [ 52.212287] ops_init+0xbb/0x6b0 [ 52.212770] setup_net+0x3d9/0x990 [ 52.213245] ? down_read_killable+0x1d7/0x4e0 [ 52.213845] ? __pfx_setup_net+0x10/0x10 [ 52.214362] ? copy_net_ns+0x17c/0x770 [ 52.214906] copy_net_ns+0x321/0x770 [ 52.215392] create_new_namespaces+0x3f6/0xb30 [ 52.216023] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.216651] ksys_unshare+0x44d/0x8e0 [ 52.217176] ? __pfx_ksys_unshare+0x10/0x10 [ 52.217756] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.218470] __x64_sys_unshare+0x31/0x40 [ 52.219024] do_syscall_64+0x3f/0x90 [ 52.219512] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.220196] RIP: 0033:0x7fb7033e10d7 [ 52.220662] 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 [ 52.222825] RSP: 002b:00007ffc656dc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.223797] RAX: ffffffffffffffda RBX: 00007ffc656dcf38 RCX: 00007fb7033e10d7 [ 52.224650] RDX: 00007fb70344b41f RSI: 00007ffc656dc890 RDI: 0000000040000000 [ 52.225528] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc656dc6a0 [ 52.226424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb7034f3bf0 [ 52.227314] R13: 00007ffc656dc9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.228228] [ 52.228531] irq event stamp: 7777 [ 52.228988] hardirqs last enabled at (7789): [] __up_console_sem+0x78/0x80 [ 52.230049] hardirqs last disabled at (7800): [] __up_console_sem+0x5d/0x80 [ 52.231113] softirqs last enabled at (7370): [] irq_exit_rcu+0x93/0xc0 [ 52.232171] softirqs last disabled at (7355): [] irq_exit_rcu+0x93/0xc0 [ 52.233213] ---[ end trace 0000000000000000 ]--- [ 52.239114] ------------[ cut here ]------------ [ 52.239755] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.241703] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.242797] Modules linked in: [ 52.243208] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.244359] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.245362] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.246048] 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 [ 52.248225] RSP: 0018:ffff888019e6fc00 EFLAGS: 00010282 [ 52.248912] RAX: 0000000000000000 RBX: ffff88800f0c4840 RCX: 0000000000000000 [ 52.249791] RDX: ffff8880167d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.250649] RBP: ffff88800f0c4854 R08: 0000000000000001 R09: 0000000000000000 [ 52.251529] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.252438] R13: ffffffff84e23fe0 R14: ffff88800f0c4848 R15: ffffffff84da7d60 [ 52.253333] FS: 0000555555ee1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.254325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.255068] CR2: 00007fe04ac0f550 CR3: 0000000019da8000 CR4: 0000000000350ef0 [ 52.255961] Call Trace: [ 52.256291] [ 52.256592] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.257234] ipv6_frags_init_net+0x206/0x3c0 [ 52.257830] ops_init+0xbb/0x6b0 [ 52.258281] setup_net+0x3d9/0x990 [ 52.258777] ? down_read_killable+0x1d7/0x4e0 [ 52.259344] ? __pfx_setup_net+0x10/0x10 [ 52.259908] ? copy_net_ns+0x17c/0x770 [ 52.260423] copy_net_ns+0x321/0x770 [ 52.260989] create_new_namespaces+0x3f6/0xb30 [ 52.261574] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.262223] ksys_unshare+0x44d/0x8e0 [ 52.262740] ? __pfx_ksys_unshare+0x10/0x10 [ 52.263290] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.264075] __x64_sys_unshare+0x31/0x40 [ 52.264593] do_syscall_64+0x3f/0x90 [ 52.265098] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.265773] RIP: 0033:0x7fb7033e10d7 [ 52.266241] 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 [ 52.268438] RSP: 002b:00007ffc656dc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.269385] RAX: ffffffffffffffda RBX: 00007ffc656dcf38 RCX: 00007fb7033e10d7 [ 52.270289] RDX: 00007fb70344b41f RSI: 00007ffc656dc890 RDI: 0000000040000000 [ 52.271174] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc656dc6a0 [ 52.272071] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb7034f3bf0 [ 52.273032] R13: 00007ffc656dc9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.273963] [ 52.274264] irq event stamp: 9549 [ 52.274684] hardirqs last enabled at (9559): [] __up_console_sem+0x78/0x80 [ 52.275787] hardirqs last disabled at (9572): [] __up_console_sem+0x5d/0x80 [ 52.276852] softirqs last enabled at (9522): [] irq_exit_rcu+0x93/0xc0 [ 52.277888] softirqs last disabled at (9517): [] irq_exit_rcu+0x93/0xc0 [ 52.278908] ---[ end trace 0000000000000000 ]--- [ 52.280918] ------------[ cut here ]------------ [ 52.281503] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.283668] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.284804] Modules linked in: [ 52.285211] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.286379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.287399] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.288090] 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 [ 52.290313] RSP: 0018:ffff888019e6fbf0 EFLAGS: 00010286 [ 52.291002] RAX: 0000000000000000 RBX: ffff88800c659a40 RCX: 0000000000000000 [ 52.291908] RDX: ffff8880167d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.292819] RBP: ffff88800c659a54 R08: 0000000000000001 R09: 0000000000000000 [ 52.293672] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.294554] R13: ffffffff84e23fe0 R14: ffff88800c659a48 R15: ffffffff84db0aa0 [ 52.295466] FS: 0000555555ee1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.296517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.297278] CR2: 00007fe04ac0f550 CR3: 0000000019da8000 CR4: 0000000000350ef0 [ 52.298178] Call Trace: [ 52.298509] [ 52.298840] nf_ct_net_init+0x224/0x3d0 [ 52.299364] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.299976] ops_init+0xbb/0x6b0 [ 52.300423] setup_net+0x3d9/0x990 [ 52.300913] ? down_read_killable+0x1d7/0x4e0 [ 52.301484] ? __pfx_setup_net+0x10/0x10 [ 52.302033] ? copy_net_ns+0x17c/0x770 [ 52.302541] copy_net_ns+0x321/0x770 [ 52.303051] create_new_namespaces+0x3f6/0xb30 [ 52.303628] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.304283] ksys_unshare+0x44d/0x8e0 [ 52.304791] ? __pfx_ksys_unshare+0x10/0x10 [ 52.305336] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.306073] __x64_sys_unshare+0x31/0x40 [ 52.306589] do_syscall_64+0x3f/0x90 [ 52.307091] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.307779] RIP: 0033:0x7fb7033e10d7 [ 52.308244] 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 [ 52.310429] RSP: 002b:00007ffc656dc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.311380] RAX: ffffffffffffffda RBX: 00007ffc656dcf38 RCX: 00007fb7033e10d7 [ 52.312276] RDX: 00007fb70344b41f RSI: 00007ffc656dc890 RDI: 0000000040000000 [ 52.313162] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc656dc6a0 [ 52.314054] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb7034f3bf0 [ 52.314936] R13: 00007ffc656dc9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.315851] [ 52.316157] irq event stamp: 10315 [ 52.316594] hardirqs last enabled at (10325): [] __up_console_sem+0x78/0x80 [ 52.317657] hardirqs last disabled at (10336): [] __up_console_sem+0x5d/0x80 [ 52.318733] softirqs last enabled at (10222): [] irq_exit_rcu+0x93/0xc0 [ 52.319784] softirqs last disabled at (10217): [] irq_exit_rcu+0x93/0xc0 [ 52.320825] ---[ end trace 0000000000000000 ]--- executing program [ 53.873428] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.920822] Bluetooth: hci0: command 0x041b tx timeout [ 57.969792] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.016793] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:20:42 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019e6f618 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 0000555555ee1400 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=00007fe04ac0f550 CR3=0000000019da8000 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=0000000000030b9d RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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 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=00007fe04acbd1d8 CR3=000000000d962000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203a5d315b646d6574737973205d3700 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000