Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:6576' (ECDSA) to the list of known hosts. 2023/05/17 20:43:13 fuzzer started 2023/05/17 20:43:13 dialing manager at localhost:44319 2023/05/17 20:43:13 checking machine... 2023/05/17 20:43:13 checking revisions... syzkaller login: [ 44.048583] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:43:13 testing simple program... [ 44.118945] cgroup: Unknown subsys name 'net' [ 44.195628] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.156411] audit: type=1400 audit(1684356205.795:6): avc: denied { execmem } for pid=255 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 57.289413] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.291085] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.299523] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.302538] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.304138] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.305536] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.687647] ------------[ cut here ]------------ [ 57.688330] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.689942] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.691003] Modules linked in: [ 57.691453] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.692645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.697474] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.698139] 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 [ 57.700467] RSP: 0018:ffff8880202dfc00 EFLAGS: 00010282 [ 57.701118] RAX: 0000000000000000 RBX: ffff88800f854440 RCX: 0000000000000000 [ 57.702153] RDX: ffff8880202d0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.703081] RBP: ffff88800f854454 R08: 0000000000000001 R09: 0000000000000000 [ 57.703967] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 57.704859] R13: ffffffff84e23fe0 R14: ffff88800f854448 R15: ffffffff84d74dc0 [ 57.705754] FS: 0000555555cb2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.706758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.707491] CR2: 00007fed730f44b0 CR3: 000000000c700000 CR4: 0000000000350ef0 [ 57.708376] Call Trace: [ 57.708701] [ 57.708998] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.709653] ipv4_frags_init_net+0x269/0x440 [ 57.710225] ops_init+0xbb/0x6b0 [ 57.710706] setup_net+0x3d9/0x990 [ 57.711171] ? down_read_killable+0x1d7/0x4e0 [ 57.711771] ? __pfx_setup_net+0x10/0x10 [ 57.712311] ? copy_net_ns+0x17c/0x770 [ 57.712822] copy_net_ns+0x321/0x770 [ 57.713342] create_new_namespaces+0x3f6/0xb30 [ 57.713952] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.714597] ksys_unshare+0x44d/0x8e0 [ 57.715083] ? __pfx_ksys_unshare+0x10/0x10 [ 57.715657] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.716399] __x64_sys_unshare+0x31/0x40 [ 57.716919] do_syscall_64+0x3f/0x90 [ 57.717427] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.718081] RIP: 0033:0x7ff274f730d7 [ 57.718571] 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 [ 57.720721] RSP: 002b:00007ffe84ef43e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.721675] RAX: ffffffffffffffda RBX: 00007ffe84ef4a28 RCX: 00007ff274f730d7 [ 57.722554] RDX: 00007ff274fdd41f RSI: 00007ffe84ef4380 RDI: 0000000040000000 [ 57.723439] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe84ef4190 [ 57.724322] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff275085bf0 [ 57.725182] R13: 00007ffe84ef44c0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.726112] [ 57.726448] irq event stamp: 8001 [ 57.726871] hardirqs last enabled at (8011): [] __up_console_sem+0x78/0x80 [ 57.727929] hardirqs last disabled at (8022): [] __up_console_sem+0x5d/0x80 [ 57.728981] softirqs last enabled at (7614): [] irq_exit_rcu+0x93/0xc0 [ 57.730016] softirqs last disabled at (7599): [] irq_exit_rcu+0x93/0xc0 [ 57.731035] ---[ end trace 0000000000000000 ]--- [ 57.735939] ------------[ cut here ]------------ [ 57.736674] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.738330] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.739400] Modules linked in: [ 57.739807] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.740955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.741979] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.742658] 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 [ 57.744840] RSP: 0018:ffff8880202dfc00 EFLAGS: 00010282 [ 57.745534] RAX: 0000000000000000 RBX: ffff88800f2c3440 RCX: 0000000000000000 [ 57.746444] RDX: ffff8880202d0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.747336] RBP: ffff88800f2c3454 R08: 0000000000000001 R09: 0000000000000000 [ 57.748196] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.749088] R13: ffffffff84e23fe0 R14: ffff88800f2c3448 R15: ffffffff84da7d60 [ 57.749985] FS: 0000555555cb2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.750984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.751720] CR2: 00007fed730f44b0 CR3: 000000000c700000 CR4: 0000000000350ef0 [ 57.752617] Call Trace: [ 57.752944] [ 57.753241] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.753905] ipv6_frags_init_net+0x206/0x3c0 [ 57.754512] ops_init+0xbb/0x6b0 [ 57.754957] setup_net+0x3d9/0x990 [ 57.755449] ? down_read_killable+0x1d7/0x4e0 [ 57.756018] ? __pfx_setup_net+0x10/0x10 [ 57.756564] ? copy_net_ns+0x17c/0x770 [ 57.757071] copy_net_ns+0x321/0x770 [ 57.757589] create_new_namespaces+0x3f6/0xb30 [ 57.758172] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.758815] ksys_unshare+0x44d/0x8e0 [ 57.759335] ? __pfx_ksys_unshare+0x10/0x10 [ 57.759881] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.760618] __x64_sys_unshare+0x31/0x40 [ 57.761131] do_syscall_64+0x3f/0x90 [ 57.761643] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.762311] RIP: 0033:0x7ff274f730d7 [ 57.762773] 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 [ 57.764938] RSP: 002b:00007ffe84ef43e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.765899] RAX: ffffffffffffffda RBX: 00007ffe84ef4a28 RCX: 00007ff274f730d7 [ 57.766796] RDX: 00007ff274fdd41f RSI: 00007ffe84ef4380 RDI: 0000000040000000 [ 57.767691] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe84ef4190 [ 57.768583] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff275085bf0 [ 57.769465] R13: 00007ffe84ef44c0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.770379] [ 57.770683] irq event stamp: 9707 [ 57.771108] hardirqs last enabled at (9717): [] __up_console_sem+0x78/0x80 [ 57.772181] hardirqs last disabled at (9728): [] __up_console_sem+0x5d/0x80 [ 57.773234] softirqs last enabled at (9298): [] irq_exit_rcu+0x93/0xc0 [ 57.774326] softirqs last disabled at (9293): [] irq_exit_rcu+0x93/0xc0 [ 57.775358] ---[ end trace 0000000000000000 ]--- [ 57.776657] ------------[ cut here ]------------ [ 57.777234] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.779146] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.780218] Modules linked in: [ 57.780657] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.781840] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.782851] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.783520] 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 [ 57.785713] RSP: 0018:ffff8880202dfbf0 EFLAGS: 00010286 [ 57.786397] RAX: 0000000000000000 RBX: ffff88800f2c2c40 RCX: 0000000000000000 [ 57.787250] RDX: ffff8880202d0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.788139] RBP: ffff88800f2c2c54 R08: 0000000000000001 R09: 0000000000000000 [ 57.789033] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.789935] R13: ffffffff84e23fe0 R14: ffff88800f2c2c48 R15: ffffffff84db0aa0 [ 57.790843] FS: 0000555555cb2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.791843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.792591] CR2: 00007fed730f44b0 CR3: 000000000c700000 CR4: 0000000000350ef0 [ 57.793493] Call Trace: [ 57.793837] [ 57.794132] nf_ct_net_init+0x224/0x3d0 [ 57.794687] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.795291] ops_init+0xbb/0x6b0 [ 57.795742] setup_net+0x3d9/0x990 [ 57.796195] ? down_read_killable+0x1d7/0x4e0 [ 57.796788] ? __pfx_setup_net+0x10/0x10 [ 57.797326] ? copy_net_ns+0x17c/0x770 [ 57.797838] copy_net_ns+0x321/0x770 [ 57.798357] create_new_namespaces+0x3f6/0xb30 [ 57.798940] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.799593] ksys_unshare+0x44d/0x8e0 [ 57.800082] ? __pfx_ksys_unshare+0x10/0x10 [ 57.800661] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.801396] __x64_sys_unshare+0x31/0x40 [ 57.801934] do_syscall_64+0x3f/0x90 [ 57.802440] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.803079] RIP: 0033:0x7ff274f730d7 [ 57.803569] 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 [ 57.805728] RSP: 002b:00007ffe84ef43e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.806702] RAX: ffffffffffffffda RBX: 00007ffe84ef4a28 RCX: 00007ff274f730d7 [ 57.807591] RDX: 00007ff274fdd41f RSI: 00007ffe84ef4380 RDI: 0000000040000000 [ 57.808494] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe84ef4190 [ 57.809373] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff275085bf0 [ 57.810249] R13: 00007ffe84ef44c0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.811147] [ 57.811479] irq event stamp: 10431 [ 57.811908] hardirqs last enabled at (10441): [] __up_console_sem+0x78/0x80 [ 57.812967] hardirqs last disabled at (10452): [] __up_console_sem+0x5d/0x80 [ 57.814050] softirqs last enabled at (10380): [] irq_exit_rcu+0x93/0xc0 [ 57.815093] softirqs last disabled at (10375): [] irq_exit_rcu+0x93/0xc0 [ 57.816118] ---[ end trace 0000000000000000 ]--- executing program [ 59.367538] Bluetooth: hci0: command 0x0409 tx timeout [ 61.414626] Bluetooth: hci0: command 0x041b tx timeout executing program [ 63.462513] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.510338] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 20:43:19 Registers: info registers vcpu 0 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880202df618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 0000555555cb2400 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=00007fed730f44b0 CR3=000000000c700000 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=00000000000432b9 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=00007fed7312d560 CR3=000000000ccce000 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=2037323a33343a30322037312079614d XMM01=5d3335343139362e37352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000