Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:37130' (ECDSA) to the list of known hosts. 2023/05/17 00:34:27 fuzzer started 2023/05/17 00:34:27 dialing manager at localhost:35573 2023/05/17 00:34:27 checking machine... 2023/05/17 00:34:27 checking revisions... syzkaller login: [ 33.776933] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:34:27 testing simple program... [ 33.826843] cgroup: Unknown subsys name 'net' [ 33.889229] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 46.469647] audit: type=1400 audit(1684283680.579:6): 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 [ 47.575149] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.577654] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.578786] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.581625] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.583020] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.585260] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.950827] ------------[ cut here ]------------ [ 47.951623] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 47.953944] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.955426] Modules linked in: [ 47.955924] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.960682] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.961695] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.962354] 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 [ 47.964568] RSP: 0018:ffff88801fddfc00 EFLAGS: 00010282 [ 47.965225] RAX: 0000000000000000 RBX: ffff88800e7bc040 RCX: 0000000000000000 [ 47.966129] RDX: ffff8880159c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.967011] RBP: ffff88800e7bc054 R08: 0000000000000001 R09: 0000000000000000 [ 47.967913] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 47.968823] R13: ffffffff84e223a0 R14: ffff88800e7bc048 R15: ffffffff84d73340 [ 47.969745] FS: 0000555555755400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.970803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.971568] CR2: 00007fd887fb46f4 CR3: 0000000019724000 CR4: 0000000000350ee0 [ 47.972484] Call Trace: [ 47.972820] [ 47.973130] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 47.973783] ipv4_frags_init_net+0x269/0x440 [ 47.974403] ops_init+0xbb/0x6b0 [ 47.974861] setup_net+0x3d9/0x990 [ 47.975326] ? down_read_killable+0x1d7/0x4e0 [ 47.975941] ? __pfx_setup_net+0x10/0x10 [ 47.976489] ? copy_net_ns+0x17c/0x770 [ 47.977010] copy_net_ns+0x321/0x770 [ 47.977529] create_new_namespaces+0x3f6/0xb30 [ 47.978157] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.978821] ksys_unshare+0x44d/0x8e0 [ 47.979335] ? __pfx_ksys_unshare+0x10/0x10 [ 47.979933] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.980698] __x64_sys_unshare+0x31/0x40 [ 47.981236] do_syscall_64+0x3f/0x90 [ 47.981752] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.982449] RIP: 0033:0x7efd211e90d7 [ 47.982928] 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 [ 47.985161] RSP: 002b:00007ffe357d65f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.986153] RAX: ffffffffffffffda RBX: 00007ffe357d6c38 RCX: 00007efd211e90d7 [ 47.987069] RDX: 00007efd2125341f RSI: 00007ffe357d6590 RDI: 0000000040000000 [ 47.987976] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe357d63a0 [ 47.988892] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efd212fbbf0 [ 47.989812] R13: 00007ffe357d66d0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.990755] [ 47.991069] irq event stamp: 8629 [ 47.991531] hardirqs last enabled at (8641): [] __up_console_sem+0x78/0x80 [ 47.992611] hardirqs last disabled at (8652): [] __up_console_sem+0x5d/0x80 [ 47.993692] softirqs last enabled at (8136): [] irq_exit_rcu+0x93/0xc0 [ 47.994766] softirqs last disabled at (8113): [] irq_exit_rcu+0x93/0xc0 [ 47.995821] ---[ end trace 0000000000000000 ]--- [ 48.001258] ------------[ cut here ]------------ [ 48.002043] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 48.003729] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.004822] Modules linked in: [ 48.005242] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 48.006448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.007494] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.008162] 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 [ 48.010440] RSP: 0018:ffff88801fddfc00 EFLAGS: 00010282 [ 48.011118] RAX: 0000000000000000 RBX: ffff88800c652640 RCX: 0000000000000000 [ 48.012041] RDX: ffff8880159c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 48.012954] RBP: ffff88800c652654 R08: 0000000000000001 R09: 0000000000000000 [ 48.013878] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.014793] R13: ffffffff84e223a0 R14: ffff88800c652648 R15: ffffffff84da62e0 [ 48.015705] FS: 0000555555755400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.016734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.017488] CR2: 00007fd887fb46f4 CR3: 0000000019724000 CR4: 0000000000350ee0 [ 48.018434] Call Trace: [ 48.018769] [ 48.019079] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 48.019747] ipv6_frags_init_net+0x206/0x3c0 [ 48.020319] ops_init+0xbb/0x6b0 [ 48.020803] setup_net+0x3d9/0x990 [ 48.021274] ? down_read_killable+0x1d7/0x4e0 [ 48.021895] ? __pfx_setup_net+0x10/0x10 [ 48.022443] ? copy_net_ns+0x17c/0x770 [ 48.022967] copy_net_ns+0x321/0x770 [ 48.023488] create_new_namespaces+0x3f6/0xb30 [ 48.024090] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.024750] ksys_unshare+0x44d/0x8e0 [ 48.025252] ? __pfx_ksys_unshare+0x10/0x10 [ 48.025850] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.026612] __x64_sys_unshare+0x31/0x40 [ 48.027150] do_syscall_64+0x3f/0x90 [ 48.027666] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.028327] RIP: 0033:0x7efd211e90d7 [ 48.028836] 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 [ 48.031121] RSP: 002b:00007ffe357d65f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 48.032101] RAX: ffffffffffffffda RBX: 00007ffe357d6c38 RCX: 00007efd211e90d7 [ 48.033012] RDX: 00007efd2125341f RSI: 00007ffe357d6590 RDI: 0000000040000000 [ 48.033943] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe357d63a0 [ 48.034857] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efd212fbbf0 [ 48.035771] R13: 00007ffe357d66d0 R14: 0000000000000000 R15: 00000000000000f8 [ 48.036702] [ 48.037009] irq event stamp: 10439 [ 48.037483] hardirqs last enabled at (10451): [] __up_console_sem+0x78/0x80 [ 48.038613] hardirqs last disabled at (10462): [] __up_console_sem+0x5d/0x80 [ 48.039714] softirqs last enabled at (9924): [] irq_exit_rcu+0x93/0xc0 [ 48.040769] softirqs last disabled at (9865): [] irq_exit_rcu+0x93/0xc0 [ 48.041835] ---[ end trace 0000000000000000 ]--- [ 48.043141] ------------[ cut here ]------------ [ 48.043782] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 48.045783] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.046891] Modules linked in: [ 48.047308] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 48.048502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.049541] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.050210] 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 [ 48.052456] RSP: 0018:ffff88801fddfbf0 EFLAGS: 00010286 [ 48.053134] RAX: 0000000000000000 RBX: ffff88800c653240 RCX: 0000000000000000 [ 48.054063] RDX: ffff8880159c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 48.054982] RBP: ffff88800c653254 R08: 0000000000000001 R09: 0000000000000000 [ 48.055897] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.056813] R13: ffffffff84e223a0 R14: ffff88800c653248 R15: ffffffff84daf020 [ 48.057726] FS: 0000555555755400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.058778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.059538] CR2: 00007fd887fb46f4 CR3: 0000000019724000 CR4: 0000000000350ee0 [ 48.060454] Call Trace: [ 48.060789] [ 48.061096] nf_ct_net_init+0x224/0x3d0 [ 48.061659] ? __pfx_nf_ct_net_init+0x10/0x10 [ 48.062266] ops_init+0xbb/0x6b0 [ 48.062749] setup_net+0x3d9/0x990 [ 48.063215] ? down_read_killable+0x1d7/0x4e0 [ 48.063827] ? __pfx_setup_net+0x10/0x10 [ 48.064349] ? copy_net_ns+0x17c/0x770 [ 48.064893] copy_net_ns+0x321/0x770 [ 48.065411] create_new_namespaces+0x3f6/0xb30 [ 48.066036] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.066700] ksys_unshare+0x44d/0x8e0 [ 48.067205] ? __pfx_ksys_unshare+0x10/0x10 [ 48.067795] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.068559] __x64_sys_unshare+0x31/0x40 [ 48.069097] do_syscall_64+0x3f/0x90 [ 48.069617] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.070289] RIP: 0033:0x7efd211e90d7 [ 48.070795] 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 [ 48.073040] RSP: 002b:00007ffe357d65f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 48.074027] RAX: ffffffffffffffda RBX: 00007ffe357d6c38 RCX: 00007efd211e90d7 [ 48.074940] RDX: 00007efd2125341f RSI: 00007ffe357d6590 RDI: 0000000040000000 [ 48.075856] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe357d63a0 [ 48.076764] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efd212fbbf0 [ 48.077682] R13: 00007ffe357d66d0 R14: 0000000000000000 R15: 00000000000000f8 [ 48.078638] [ 48.078948] irq event stamp: 11185 [ 48.079428] hardirqs last enabled at (11197): [] __up_console_sem+0x78/0x80 [ 48.080528] hardirqs last disabled at (11208): [] __up_console_sem+0x5d/0x80 [ 48.081629] softirqs last enabled at (10870): [] irq_exit_rcu+0x93/0xc0 [ 48.082719] softirqs last disabled at (10865): [] irq_exit_rcu+0x93/0xc0 [ 48.083796] ---[ end trace 0000000000000000 ]--- executing program [ 49.601010] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 51.650061] Bluetooth: hci0: command 0x041b tx timeout [ 53.696466] Bluetooth: hci0: command 0x040f tx timeout executing program [ 55.744519] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:34:37 Registers: info registers vcpu 0 RAX=000000000001b2e1 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=00007f275d78e000 CR3=000000000e7a0000 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=c99857e48e06c49e4c4872ab0abb6ea1 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d8f928da5fab84ed0000000000117db0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b4150c61089fd48500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fddf5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 0000555555755400 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=00007fd887fb46f4 CR3=0000000019724000 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