syzkaller login: [ 41.472812] sshd (211) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:43985' (ECDSA) to the list of known hosts. 2023/05/17 10:23:36 fuzzer started 2023/05/17 10:23:37 dialing manager at localhost:35573 2023/05/17 10:23:37 checking machine... 2023/05/17 10:23:37 checking revisions... [ 47.280159] kmemleak: Automatic memory scanning thread ended 2023/05/17 10:23:37 testing simple program... [ 47.348708] cgroup: Unknown subsys name 'net' [ 47.414841] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.238746] audit: type=1400 audit(1684319030.249:6): 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 [ 61.419415] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.420960] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.423424] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.426766] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.428370] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.429688] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.858520] ------------[ cut here ]------------ [ 61.859746] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.861730] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.863051] Modules linked in: [ 61.863542] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.868494] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.869583] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.870298] 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 [ 61.872654] RSP: 0018:ffff88801db2fc00 EFLAGS: 00010282 [ 61.873382] RAX: 0000000000000000 RBX: ffff88800ee5a840 RCX: 0000000000000000 [ 61.874362] RDX: ffff88801601b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.875353] RBP: ffff88800ee5a854 R08: 0000000000000001 R09: 0000000000000000 [ 61.876323] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.877289] R13: ffffffff84e223a0 R14: ffff88800ee5a848 R15: ffffffff84d73340 [ 61.878256] FS: 0000555556d10400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.879354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.880142] CR2: 00007fc631cd76f4 CR3: 000000001f350000 CR4: 0000000000350ee0 [ 61.881111] Call Trace: [ 61.881497] [ 61.881822] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.882527] ipv4_frags_init_net+0x269/0x440 [ 61.883124] ops_init+0xbb/0x6b0 [ 61.883627] setup_net+0x3d9/0x990 [ 61.884120] ? down_read_killable+0x1d7/0x4e0 [ 61.884763] ? __pfx_setup_net+0x10/0x10 [ 61.885332] ? copy_net_ns+0x17c/0x770 [ 61.885880] copy_net_ns+0x321/0x770 [ 61.886437] create_new_namespaces+0x3f6/0xb30 [ 61.887086] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.887787] ksys_unshare+0x44d/0x8e0 [ 61.888372] ? __pfx_ksys_unshare+0x10/0x10 [ 61.888996] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.889823] __x64_sys_unshare+0x31/0x40 [ 61.890456] do_syscall_64+0x3f/0x90 [ 61.890973] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.891688] RIP: 0033:0x7fc2b72310d7 [ 61.892220] 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 [ 61.894555] RSP: 002b:00007ffe41f3c568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.895579] RAX: ffffffffffffffda RBX: 00007ffe41f3cba8 RCX: 00007fc2b72310d7 [ 61.896565] RDX: 00007fc2b729b41f RSI: 00007ffe41f3c500 RDI: 0000000040000000 [ 61.897544] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe41f3c310 [ 61.898550] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc2b7343bf0 [ 61.899529] R13: 00007ffe41f3c640 R14: 0000000000000000 R15: 00000000000000f8 [ 61.900545] [ 61.900875] irq event stamp: 9817 [ 61.901375] hardirqs last enabled at (9829): [] __up_console_sem+0x78/0x80 [ 61.902528] hardirqs last disabled at (9840): [] __up_console_sem+0x5d/0x80 [ 61.903692] softirqs last enabled at (9644): [] irq_exit_rcu+0x93/0xc0 [ 61.904835] softirqs last disabled at (9639): [] irq_exit_rcu+0x93/0xc0 [ 61.905977] ---[ end trace 0000000000000000 ]--- [ 61.911307] ------------[ cut here ]------------ [ 61.911950] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.913746] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.914932] Modules linked in: [ 61.915403] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.916674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.917767] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.918497] 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 [ 61.920812] RSP: 0018:ffff88801db2fc00 EFLAGS: 00010282 [ 61.921539] RAX: 0000000000000000 RBX: ffff8880090b9c40 RCX: 0000000000000000 [ 61.922517] RDX: ffff88801601b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.923456] RBP: ffff8880090b9c54 R08: 0000000000000001 R09: 0000000000000000 [ 61.924405] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.925353] R13: ffffffff84e223a0 R14: ffff8880090b9c48 R15: ffffffff84da62e0 [ 61.926307] FS: 0000555556d10400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.927382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.928140] CR2: 00007fc631cd76f4 CR3: 000000001f350000 CR4: 0000000000350ee0 [ 61.929087] Call Trace: [ 61.929468] [ 61.929794] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.930505] ipv6_frags_init_net+0x206/0x3c0 [ 61.931101] ops_init+0xbb/0x6b0 [ 61.931605] setup_net+0x3d9/0x990 [ 61.932086] ? down_read_killable+0x1d7/0x4e0 [ 61.932715] ? __pfx_setup_net+0x10/0x10 [ 61.933281] ? copy_net_ns+0x17c/0x770 [ 61.933816] copy_net_ns+0x321/0x770 [ 61.934356] create_new_namespaces+0x3f6/0xb30 [ 61.934995] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.935682] ksys_unshare+0x44d/0x8e0 [ 61.936240] ? __pfx_ksys_unshare+0x10/0x10 [ 61.936829] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.937617] __x64_sys_unshare+0x31/0x40 [ 61.938199] do_syscall_64+0x3f/0x90 [ 61.938730] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.939444] RIP: 0033:0x7fc2b72310d7 [ 61.939941] 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 [ 61.942235] RSP: 002b:00007ffe41f3c568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.943253] RAX: ffffffffffffffda RBX: 00007ffe41f3cba8 RCX: 00007fc2b72310d7 [ 61.944201] RDX: 00007fc2b729b41f RSI: 00007ffe41f3c500 RDI: 0000000040000000 [ 61.945120] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe41f3c310 [ 61.946059] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc2b7343bf0 [ 61.947010] R13: 00007ffe41f3c640 R14: 0000000000000000 R15: 00000000000000f8 [ 61.947976] [ 61.948328] irq event stamp: 11473 [ 61.948791] hardirqs last enabled at (11483): [] __up_console_sem+0x78/0x80 [ 61.949925] hardirqs last disabled at (11494): [] __up_console_sem+0x5d/0x80 [ 61.951080] softirqs last enabled at (10942): [] irq_exit_rcu+0x93/0xc0 [ 61.952202] softirqs last disabled at (11515): [] irq_exit_rcu+0x93/0xc0 [ 61.953330] ---[ end trace 0000000000000000 ]--- [ 61.954764] ------------[ cut here ]------------ [ 61.955408] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.957462] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.958625] Modules linked in: [ 61.959057] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.960304] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.961416] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.962117] 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 [ 61.964464] RSP: 0018:ffff88801db2fbf0 EFLAGS: 00010286 [ 61.965216] RAX: 0000000000000000 RBX: ffff88801456fa40 RCX: 0000000000000000 [ 61.966155] RDX: ffff88801601b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.967152] RBP: ffff88801456fa54 R08: 0000000000000001 R09: 0000000000000000 [ 61.968122] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.969085] R13: ffffffff84e223a0 R14: ffff88801456fa48 R15: ffffffff84daf020 [ 61.970054] FS: 0000555556d10400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.971150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.971949] CR2: 00007fc631cd76f4 CR3: 000000001f350000 CR4: 0000000000350ee0 [ 61.972929] Call Trace: [ 61.973317] [ 61.973652] nf_ct_net_init+0x224/0x3d0 [ 61.974247] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.974897] ops_init+0xbb/0x6b0 [ 61.975422] setup_net+0x3d9/0x990 [ 61.975925] ? down_read_killable+0x1d7/0x4e0 [ 61.976591] ? __pfx_setup_net+0x10/0x10 [ 61.977189] ? copy_net_ns+0x17c/0x770 [ 61.977745] copy_net_ns+0x321/0x770 [ 61.978306] create_new_namespaces+0x3f6/0xb30 [ 61.978961] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.979675] ksys_unshare+0x44d/0x8e0 [ 61.980250] ? __pfx_ksys_unshare+0x10/0x10 [ 61.980856] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.981670] __x64_sys_unshare+0x31/0x40 [ 61.982276] do_syscall_64+0x3f/0x90 [ 61.982814] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.983561] RIP: 0033:0x7fc2b72310d7 [ 61.984076] 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 [ 61.986466] RSP: 002b:00007ffe41f3c568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.987508] RAX: ffffffffffffffda RBX: 00007ffe41f3cba8 RCX: 00007fc2b72310d7 [ 61.988490] RDX: 00007fc2b729b41f RSI: 00007ffe41f3c500 RDI: 0000000040000000 [ 61.989459] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe41f3c310 [ 61.990457] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc2b7343bf0 [ 61.991434] R13: 00007ffe41f3c640 R14: 0000000000000000 R15: 00000000000000f8 [ 61.992434] [ 61.992774] irq event stamp: 12221 [ 61.993285] hardirqs last enabled at (12233): [] __up_console_sem+0x78/0x80 [ 61.994470] hardirqs last disabled at (12244): [] __up_console_sem+0x5d/0x80 [ 61.995643] softirqs last enabled at (11520): [] irq_exit_rcu+0x93/0xc0 [ 61.996780] softirqs last disabled at (11515): [] irq_exit_rcu+0x93/0xc0 [ 61.997926] ---[ end trace 0000000000000000 ]--- executing program [ 63.499031] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.546375] Bluetooth: hci0: command 0x041b tx timeout [ 67.594242] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.642241] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:23:41 Registers: info registers vcpu 0 RAX=00000000000213f3 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=00007fb36f55a078 CR3=0000000015b28000 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=7bf94a21b0597f80a54f0760fddb7082 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=2ddd55294d9f2cc5000000000013b548 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=1d8f8100385a7a0f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801db2f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556d10400 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=00007fc631cd76f4 CR3=000000001f350000 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