syzkaller login: [ 93.193349] sshd (231) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:55249' (ECDSA) to the list of known hosts. 2023/05/17 22:42:23 fuzzer started 2023/05/17 22:42:24 dialing manager at localhost:44319 2023/05/17 22:42:24 checking machine... 2023/05/17 22:42:24 checking revisions... [ 94.351656] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:42:24 testing simple program... [ 94.424926] cgroup: Unknown subsys name 'net' [ 94.510026] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 106.941359] audit: type=1400 audit(1684363356.749:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 108.033512] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 108.035481] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 108.036743] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 108.039404] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 108.045670] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 108.047018] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.467148] ------------[ cut here ]------------ [ 108.467869] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 108.469654] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 108.470790] Modules linked in: [ 108.471201] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 108.475942] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 108.477043] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 108.477763] 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 [ 108.480059] RSP: 0018:ffff88801fdf7c00 EFLAGS: 00010282 [ 108.480794] RAX: 0000000000000000 RBX: ffff88800cffd840 RCX: 0000000000000000 [ 108.481778] RDX: ffff88800cb09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 108.482733] RBP: ffff88800cffd854 R08: 0000000000000001 R09: 0000000000000000 [ 108.483675] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 108.484660] R13: ffffffff84e23fe0 R14: ffff88800cffd848 R15: ffffffff84d74dc0 [ 108.485616] FS: 000055555663f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 108.486682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.487460] CR2: 00007fb878f896f4 CR3: 00000000099dc000 CR4: 0000000000350ef0 [ 108.488378] Call Trace: [ 108.488760] [ 108.489075] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 108.489760] ipv4_frags_init_net+0x269/0x440 [ 108.490348] ops_init+0xbb/0x6b0 [ 108.490858] setup_net+0x3d9/0x990 [ 108.491337] ? down_read_killable+0x1d7/0x4e0 [ 108.491969] ? __pfx_setup_net+0x10/0x10 [ 108.492559] ? copy_net_ns+0x17c/0x770 [ 108.493086] copy_net_ns+0x321/0x770 [ 108.493621] create_new_namespaces+0x3f6/0xb30 [ 108.494238] unshare_nsproxy_namespaces+0xc1/0x200 [ 108.494919] ksys_unshare+0x44d/0x8e0 [ 108.495467] ? __pfx_ksys_unshare+0x10/0x10 [ 108.496037] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 108.496865] __x64_sys_unshare+0x31/0x40 [ 108.497464] do_syscall_64+0x3f/0x90 [ 108.497972] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 108.498705] RIP: 0033:0x7ffaad0940d7 [ 108.499198] 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 [ 108.501510] RSP: 002b:00007ffc597ecc48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 108.502505] RAX: ffffffffffffffda RBX: 00007ffc597ed288 RCX: 00007ffaad0940d7 [ 108.503447] RDX: 00007ffaad0fe41f RSI: 00007ffc597ecbe0 RDI: 0000000040000000 [ 108.504361] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc597ec9f0 [ 108.505310] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffaad1a6bf0 [ 108.506251] R13: 00007ffc597ecd20 R14: 0000000000000000 R15: 00000000000000f8 [ 108.507234] [ 108.507596] irq event stamp: 8667 [ 108.508034] hardirqs last enabled at (8677): [] __up_console_sem+0x78/0x80 [ 108.509172] hardirqs last disabled at (8688): [] __up_console_sem+0x5d/0x80 [ 108.510228] softirqs last enabled at (8650): [] irq_exit_rcu+0x93/0xc0 [ 108.511256] softirqs last disabled at (8641): [] irq_exit_rcu+0x93/0xc0 [ 108.512300] ---[ end trace 0000000000000000 ]--- [ 108.517778] ------------[ cut here ]------------ [ 108.518409] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 108.520327] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 108.521656] Modules linked in: [ 108.522068] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 108.523353] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 108.524516] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 108.525167] 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 [ 108.527554] RSP: 0018:ffff88801fdf7c00 EFLAGS: 00010282 [ 108.528209] RAX: 0000000000000000 RBX: ffff88800d4d6840 RCX: 0000000000000000 [ 108.529226] RDX: ffff88800cb09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 108.530243] RBP: ffff88800d4d6854 R08: 0000000000000001 R09: 0000000000000000 [ 108.531260] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 108.532296] R13: ffffffff84e23fe0 R14: ffff88800d4d6848 R15: ffffffff84da7d60 [ 108.533324] FS: 000055555663f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 108.534519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.535285] CR2: 00007f43492a0000 CR3: 00000000099dc000 CR4: 0000000000350ee0 [ 108.536348] Call Trace: [ 108.536837] [ 108.537135] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 108.537920] ipv6_frags_init_net+0x206/0x3c0 [ 108.538643] ops_init+0xbb/0x6b0 [ 108.539090] setup_net+0x3d9/0x990 [ 108.539685] ? down_read_killable+0x1d7/0x4e0 [ 108.540261] ? __pfx_setup_net+0x10/0x10 [ 108.540945] ? copy_net_ns+0x17c/0x770 [ 108.541605] copy_net_ns+0x321/0x770 [ 108.542087] create_new_namespaces+0x3f6/0xb30 [ 108.542835] unshare_nsproxy_namespaces+0xc1/0x200 [ 108.543642] ksys_unshare+0x44d/0x8e0 [ 108.544137] ? __pfx_ksys_unshare+0x10/0x10 [ 108.544914] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 108.545785] __x64_sys_unshare+0x31/0x40 [ 108.546301] do_syscall_64+0x3f/0x90 [ 108.546990] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 108.547766] RIP: 0033:0x7ffaad0940d7 [ 108.548232] 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 [ 108.550649] RSP: 002b:00007ffc597ecc48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 108.551708] RAX: ffffffffffffffda RBX: 00007ffc597ed288 RCX: 00007ffaad0940d7 [ 108.552794] RDX: 00007ffaad0fe41f RSI: 00007ffc597ecbe0 RDI: 0000000040000000 [ 108.553809] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc597ec9f0 [ 108.554885] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffaad1a6bf0 [ 108.555898] R13: 00007ffc597ecd20 R14: 0000000000000000 R15: 00000000000000f8 [ 108.556963] [ 108.557268] irq event stamp: 12615 [ 108.557910] hardirqs last enabled at (12727): [] __up_console_sem+0x78/0x80 [ 108.559115] hardirqs last disabled at (12802): [] __up_console_sem+0x5d/0x80 [ 108.560288] softirqs last enabled at (12852): [] irq_exit_rcu+0x93/0xc0 [ 108.561455] softirqs last disabled at (12865): [] irq_exit_rcu+0x93/0xc0 [ 108.562628] ---[ end trace 0000000000000000 ]--- [ 108.564284] ------------[ cut here ]------------ [ 108.565613] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 108.567654] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 108.568796] Modules linked in: [ 108.569198] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 108.570378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 108.571382] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 108.572047] 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 [ 108.574230] RSP: 0018:ffff88801fdf7bf0 EFLAGS: 00010286 [ 108.574905] RAX: 0000000000000000 RBX: ffff88801413b240 RCX: 0000000000000000 [ 108.575798] RDX: ffff88800cb09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 108.576707] RBP: ffff88801413b254 R08: 0000000000000001 R09: 0000000000000000 [ 108.577601] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 108.578492] R13: ffffffff84e23fe0 R14: ffff88801413b248 R15: ffffffff84db0aa0 [ 108.579353] FS: 000055555663f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 108.580359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.581097] CR2: 00007f43492a0000 CR3: 00000000099dc000 CR4: 0000000000350ee0 [ 108.581985] Call Trace: [ 108.582308] [ 108.582639] nf_ct_net_init+0x224/0x3d0 [ 108.583155] ? __pfx_nf_ct_net_init+0x10/0x10 [ 108.583755] ops_init+0xbb/0x6b0 [ 108.584204] setup_net+0x3d9/0x990 [ 108.584717] ? down_read_killable+0x1d7/0x4e0 [ 108.585290] ? __pfx_setup_net+0x10/0x10 [ 108.585839] ? copy_net_ns+0x17c/0x770 [ 108.586350] copy_net_ns+0x321/0x770 [ 108.586861] create_new_namespaces+0x3f6/0xb30 [ 108.587474] unshare_nsproxy_namespaces+0xc1/0x200 [ 108.588090] ksys_unshare+0x44d/0x8e0 [ 108.588619] ? __pfx_ksys_unshare+0x10/0x10 [ 108.589168] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 108.589905] __x64_sys_unshare+0x31/0x40 [ 108.590453] do_syscall_64+0x3f/0x90 [ 108.590930] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 108.591602] RIP: 0033:0x7ffaad0940d7 [ 108.592067] 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 [ 108.594276] RSP: 002b:00007ffc597ecc48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 108.595225] RAX: ffffffffffffffda RBX: 00007ffc597ed288 RCX: 00007ffaad0940d7 [ 108.596111] RDX: 00007ffaad0fe41f RSI: 00007ffc597ecbe0 RDI: 0000000040000000 [ 108.597007] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc597ec9f0 [ 108.597896] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffaad1a6bf0 [ 108.598781] R13: 00007ffc597ecd20 R14: 0000000000000000 R15: 00000000000000f8 [ 108.599693] [ 108.599991] irq event stamp: 14123 [ 108.600468] hardirqs last enabled at (14135): [] __up_console_sem+0x78/0x80 [ 108.601525] hardirqs last disabled at (14146): [] __up_console_sem+0x5d/0x80 [ 108.602592] softirqs last enabled at (13660): [] irq_exit_rcu+0x93/0xc0 [ 108.603650] softirqs last disabled at (13647): [] irq_exit_rcu+0x93/0xc0 [ 108.604728] ---[ end trace 0000000000000000 ]--- executing program [ 110.123062] Bluetooth: hci0: command 0x0409 tx timeout [ 112.170471] Bluetooth: hci0: command 0x041b tx timeout executing program [ 114.218776] Bluetooth: hci0: command 0x040f tx timeout executing program [ 116.266503] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:41:48 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fdf75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 000055555663f400 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=00007fb878f896f4 CR3=00000000099dc000 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=0000000000087f07 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=00007f4349226918 CR3=000000000953e000 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=35532c60aac899889f47a212de3c753f XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=4d949405936138d8000000000013fc48 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=cfee2eb5f28712fd00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000