syzkaller login: [ 44.294675] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:13282' (ECDSA) to the list of known hosts. 2023/05/18 09:23:37 fuzzer started 2023/05/18 09:23:37 dialing manager at localhost:44319 2023/05/18 09:23:37 checking machine... 2023/05/18 09:23:37 checking revisions... [ 45.845080] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:23:37 testing simple program... [ 45.900867] cgroup: Unknown subsys name 'net' [ 45.978177] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.518481] audit: type=1400 audit(1684401830.322:6): 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 [ 59.618623] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.620389] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.621416] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.623660] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.625101] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.625929] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.925246] ------------[ cut here ]------------ [ 59.925727] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.926774] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.927492] Modules linked in: [ 59.927759] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.928755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.930747] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.932031] 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 [ 59.933465] RSP: 0018:ffff888016eefc00 EFLAGS: 00010282 [ 59.933883] RAX: 0000000000000000 RBX: ffff88800e23b040 RCX: 0000000000000000 [ 59.934437] RDX: ffff888015eb1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.935019] RBP: ffff88800e23b054 R08: 0000000000000001 R09: 0000000000000000 [ 59.935628] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.936219] R13: ffffffff84e23fe0 R14: ffff88800e23b048 R15: ffffffff84d74dc0 [ 59.936812] FS: 0000555555c6a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.937440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.937925] CR2: 00007f482be0f1f0 CR3: 000000000c9d4000 CR4: 0000000000350ef0 [ 59.938520] Call Trace: [ 59.938736] [ 59.938932] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.939335] ipv4_frags_init_net+0x269/0x440 [ 59.939709] ops_init+0xbb/0x6b0 [ 59.940010] setup_net+0x3d9/0x990 [ 59.940301] ? down_read_killable+0x1d7/0x4e0 [ 59.940690] ? __pfx_setup_net+0x10/0x10 [ 59.941011] ? copy_net_ns+0x17c/0x770 [ 59.941317] copy_net_ns+0x321/0x770 [ 59.941640] create_new_namespaces+0x3f6/0xb30 [ 59.942007] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.942394] ksys_unshare+0x44d/0x8e0 [ 59.942721] ? __pfx_ksys_unshare+0x10/0x10 [ 59.943062] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.943567] __x64_sys_unshare+0x31/0x40 [ 59.943965] do_syscall_64+0x3f/0x90 [ 59.944306] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.944784] RIP: 0033:0x7f7cebf2a0d7 [ 59.945077] 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 [ 59.946438] RSP: 002b:00007ffd8a8365a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.947048] RAX: ffffffffffffffda RBX: 00007ffd8a836be8 RCX: 00007f7cebf2a0d7 [ 59.947655] RDX: 00007f7cebf9441f RSI: 00007ffd8a836540 RDI: 0000000040000000 [ 59.948230] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8a836350 [ 59.948800] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7cec03cbf0 [ 59.949373] R13: 00007ffd8a836680 R14: 0000000000000000 R15: 00000000000000f8 [ 59.949984] [ 59.950199] irq event stamp: 7707 [ 59.950502] hardirqs last enabled at (7719): [] __up_console_sem+0x78/0x80 [ 59.951210] hardirqs last disabled at (7728): [] __up_console_sem+0x5d/0x80 [ 59.951924] softirqs last enabled at (7208): [] irq_exit_rcu+0x93/0xc0 [ 59.952621] softirqs last disabled at (7203): [] irq_exit_rcu+0x93/0xc0 [ 59.953306] ---[ end trace 0000000000000000 ]--- [ 59.958814] ------------[ cut here ]------------ [ 59.959320] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.960550] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.961266] Modules linked in: [ 59.961730] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.962691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.963430] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.964082] 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 [ 59.965699] RSP: 0018:ffff888016eefc00 EFLAGS: 00010282 [ 59.966126] RAX: 0000000000000000 RBX: ffff88800b8b9640 RCX: 0000000000000000 [ 59.966850] RDX: ffff888015eb1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.967639] RBP: ffff88800b8b9654 R08: 0000000000000001 R09: 0000000000000000 [ 59.968291] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.969045] R13: ffffffff84e23fe0 R14: ffff88800b8b9648 R15: ffffffff84da7d60 [ 59.969790] FS: 0000555555c6a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.970592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.971085] CR2: 00007f4ace325570 CR3: 000000000c9d4000 CR4: 0000000000350ee0 [ 59.971930] Call Trace: [ 59.972191] [ 59.972405] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.972959] ipv6_frags_init_net+0x206/0x3c0 [ 59.973372] ops_init+0xbb/0x6b0 [ 59.973826] setup_net+0x3d9/0x990 [ 59.974140] ? down_read_killable+0x1d7/0x4e0 [ 59.974660] ? __pfx_setup_net+0x10/0x10 [ 59.975018] ? copy_net_ns+0x17c/0x770 [ 59.975365] copy_net_ns+0x321/0x770 [ 59.975797] create_new_namespaces+0x3f6/0xb30 [ 59.976264] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.976810] ksys_unshare+0x44d/0x8e0 [ 59.977146] ? __pfx_ksys_unshare+0x10/0x10 [ 59.977684] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.978173] __x64_sys_unshare+0x31/0x40 [ 59.978673] do_syscall_64+0x3f/0x90 [ 59.978987] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.979419] RIP: 0033:0x7f7cebf2a0d7 [ 59.979886] 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 [ 59.981547] RSP: 002b:00007ffd8a8365a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.982152] RAX: ffffffffffffffda RBX: 00007ffd8a836be8 RCX: 00007f7cebf2a0d7 [ 59.982903] RDX: 00007f7cebf9441f RSI: 00007ffd8a836540 RDI: 0000000040000000 [ 59.983605] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8a836350 [ 59.984168] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7cec03cbf0 [ 59.984903] R13: 00007ffd8a836680 R14: 0000000000000000 R15: 00000000000000f8 [ 59.985644] [ 59.985844] irq event stamp: 11515 [ 59.986126] hardirqs last enabled at (11525): [] __up_console_sem+0x78/0x80 [ 59.986977] hardirqs last disabled at (11626): [] __up_console_sem+0x5d/0x80 [ 59.987907] softirqs last enabled at (11698): [] irq_exit_rcu+0x93/0xc0 [ 59.988808] softirqs last disabled at (11711): [] irq_exit_rcu+0x93/0xc0 [ 59.989676] ---[ end trace 0000000000000000 ]--- [ 59.991636] ------------[ cut here ]------------ [ 59.992068] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.993470] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.994230] Modules linked in: [ 59.994583] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.995430] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.996089] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.996539] 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 [ 59.998066] RSP: 0018:ffff888016eefbf0 EFLAGS: 00010286 [ 59.998541] RAX: 0000000000000000 RBX: ffff88800b8b9c40 RCX: 0000000000000000 [ 59.999096] RDX: ffff888015eb1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.999648] RBP: ffff88800b8b9c54 R08: 0000000000000001 R09: 0000000000000000 [ 60.000220] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.000800] R13: ffffffff84e23fe0 R14: ffff88800b8b9c48 R15: ffffffff84db0aa0 [ 60.001316] FS: 0000555555c6a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.001922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.002408] CR2: 00007f4ace325570 CR3: 000000000c9d4000 CR4: 0000000000350ee0 [ 60.002995] Call Trace: [ 60.003205] [ 60.003399] nf_ct_net_init+0x224/0x3d0 [ 60.003770] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.004161] ops_init+0xbb/0x6b0 [ 60.004502] setup_net+0x3d9/0x990 [ 60.004800] ? down_read_killable+0x1d7/0x4e0 [ 60.005168] ? __pfx_setup_net+0x10/0x10 [ 60.005518] ? copy_net_ns+0x17c/0x770 [ 60.005839] copy_net_ns+0x321/0x770 [ 60.006121] create_new_namespaces+0x3f6/0xb30 [ 60.006490] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.006856] ksys_unshare+0x44d/0x8e0 [ 60.007159] ? __pfx_ksys_unshare+0x10/0x10 [ 60.007540] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.008031] __x64_sys_unshare+0x31/0x40 [ 60.008356] do_syscall_64+0x3f/0x90 [ 60.008691] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.009102] RIP: 0033:0x7f7cebf2a0d7 [ 60.009397] 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 [ 60.010816] RSP: 002b:00007ffd8a8365a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.011374] RAX: ffffffffffffffda RBX: 00007ffd8a836be8 RCX: 00007f7cebf2a0d7 [ 60.011946] RDX: 00007f7cebf9441f RSI: 00007ffd8a836540 RDI: 0000000040000000 [ 60.012532] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8a836350 [ 60.013051] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7cec03cbf0 [ 60.013616] R13: 00007ffd8a836680 R14: 0000000000000000 R15: 00000000000000f8 [ 60.014142] [ 60.014362] irq event stamp: 12669 [ 60.014657] hardirqs last enabled at (12681): [] __up_console_sem+0x78/0x80 [ 60.015297] hardirqs last disabled at (12690): [] __up_console_sem+0x5d/0x80 [ 60.015973] softirqs last enabled at (12704): [] irq_exit_rcu+0x93/0xc0 [ 60.016601] softirqs last disabled at (12699): [] irq_exit_rcu+0x93/0xc0 [ 60.017202] ---[ end trace 0000000000000000 ]--- executing program [ 61.638282] Bluetooth: hci0: command 0x0409 tx timeout [ 63.686236] Bluetooth: hci0: command 0x041b tx timeout executing program [ 65.733570] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.781580] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:23:41 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016eef5c0 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555555c6a400 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=00007f482be0f1f0 CR3=000000000c9d4000 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=0000000000045ce7 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=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 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=00007f4ace3fb1b0 CR3=0000000015cd8000 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=2cb53e101c771296fa497ea0506da2f1 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000001138f0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f893f1048e69e97700000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000