Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:63788' (ECDSA) to the list of known hosts. 2023/05/16 15:39:51 fuzzer started 2023/05/16 15:39:51 dialing manager at localhost:35573 2023/05/16 15:39:51 checking machine... 2023/05/16 15:39:51 checking revisions... syzkaller login: [ 44.572664] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:39:51 testing simple program... [ 44.646053] cgroup: Unknown subsys name 'net' [ 44.734962] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.372461] audit: type=1400 audit(1684251604.425:6): 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 [ 58.493099] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.495454] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.497143] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.501551] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.503029] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.505861] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.910292] ------------[ cut here ]------------ [ 58.911046] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.912880] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.913925] Modules linked in: [ 58.914385] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.916154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.918791] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.920515] 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 [ 58.923397] RSP: 0018:ffff88801f317c00 EFLAGS: 00010282 [ 58.924223] RAX: 0000000000000000 RBX: ffff8880164c6c40 RCX: 0000000000000000 [ 58.925387] RDX: ffff8880191c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.926492] RBP: ffff8880164c6c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.927613] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.928734] R13: ffffffff84e223a0 R14: ffff8880164c6c48 R15: ffffffff84d73340 [ 58.929838] FS: 0000555556140400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.931097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.932016] CR2: 00007fe047fcb6f4 CR3: 000000000f7dc000 CR4: 0000000000350ef0 [ 58.933125] Call Trace: [ 58.933570] [ 58.933936] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.934754] ipv4_frags_init_net+0x269/0x440 [ 58.935490] ops_init+0xbb/0x6b0 [ 58.936033] setup_net+0x3d9/0x990 [ 58.936653] ? down_read_killable+0x1d7/0x4e0 [ 58.937386] ? __pfx_setup_net+0x10/0x10 [ 58.938012] ? copy_net_ns+0x17c/0x770 [ 58.938686] copy_net_ns+0x321/0x770 [ 58.939266] create_new_namespaces+0x3f6/0xb30 [ 58.940027] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.940818] ksys_unshare+0x44d/0x8e0 [ 58.941464] ? __pfx_ksys_unshare+0x10/0x10 [ 58.942140] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.943107] __x64_sys_unshare+0x31/0x40 [ 58.943781] do_syscall_64+0x3f/0x90 [ 58.944402] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.945182] RIP: 0033:0x7fc10cc1f0d7 [ 58.945804] 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 [ 58.948505] RSP: 002b:00007ffd7d4a6828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.949692] RAX: ffffffffffffffda RBX: 00007ffd7d4a6e68 RCX: 00007fc10cc1f0d7 [ 58.950834] RDX: 00007fc10cc8941f RSI: 00007ffd7d4a67c0 RDI: 0000000040000000 [ 58.951950] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7d4a65d0 [ 58.953058] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc10cd31bf0 [ 58.954188] R13: 00007ffd7d4a6900 R14: 0000000000000000 R15: 00000000000000f8 [ 58.955345] [ 58.955706] irq event stamp: 8641 [ 58.956230] hardirqs last enabled at (8651): [] __up_console_sem+0x78/0x80 [ 58.957553] hardirqs last disabled at (8662): [] __up_console_sem+0x5d/0x80 [ 58.958884] softirqs last enabled at (8612): [] irq_exit_rcu+0x93/0xc0 [ 58.960161] softirqs last disabled at (8603): [] irq_exit_rcu+0x93/0xc0 [ 58.961418] ---[ end trace 0000000000000000 ]--- [ 58.968949] ------------[ cut here ]------------ [ 58.969810] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.971767] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.973108] Modules linked in: [ 58.973647] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.975094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.976359] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.977148] 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 [ 58.979487] RSP: 0018:ffff88801f317c00 EFLAGS: 00010282 [ 58.980162] RAX: 0000000000000000 RBX: ffff88800d6e4240 RCX: 0000000000000000 [ 58.981078] RDX: ffff8880191c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.981981] RBP: ffff88800d6e4254 R08: 0000000000000001 R09: 0000000000000000 [ 58.982897] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.983827] R13: ffffffff84e223a0 R14: ffff88800d6e4248 R15: ffffffff84da62e0 [ 58.984964] FS: 0000555556140400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.986338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.987351] CR2: 00007f998a76bf70 CR3: 000000000f7dc000 CR4: 0000000000350ef0 [ 58.988525] Call Trace: [ 58.988964] [ 58.989409] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.990228] ipv6_frags_init_net+0x206/0x3c0 [ 58.991041] ops_init+0xbb/0x6b0 [ 58.991673] setup_net+0x3d9/0x990 [ 58.992282] ? down_read_killable+0x1d7/0x4e0 [ 58.993089] ? __pfx_setup_net+0x10/0x10 [ 58.993812] ? copy_net_ns+0x17c/0x770 [ 58.994542] copy_net_ns+0x321/0x770 [ 58.995193] create_new_namespaces+0x3f6/0xb30 [ 58.996039] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.996903] ksys_unshare+0x44d/0x8e0 [ 58.997608] ? __pfx_ksys_unshare+0x10/0x10 [ 58.998391] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.999415] __x64_sys_unshare+0x31/0x40 [ 59.000102] do_syscall_64+0x3f/0x90 [ 59.000788] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.001682] RIP: 0033:0x7fc10cc1f0d7 [ 59.002347] 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 [ 59.005286] RSP: 002b:00007ffd7d4a6828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.006626] RAX: ffffffffffffffda RBX: 00007ffd7d4a6e68 RCX: 00007fc10cc1f0d7 [ 59.007817] RDX: 00007fc10cc8941f RSI: 00007ffd7d4a67c0 RDI: 0000000040000000 [ 59.009011] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7d4a65d0 [ 59.010208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc10cd31bf0 [ 59.011412] R13: 00007ffd7d4a6900 R14: 0000000000000000 R15: 00000000000000f8 [ 59.012640] [ 59.013040] irq event stamp: 10559 [ 59.013677] hardirqs last enabled at (10571): [] __up_console_sem+0x78/0x80 [ 59.015131] hardirqs last disabled at (10582): [] __up_console_sem+0x5d/0x80 [ 59.016563] softirqs last enabled at (10358): [] irq_exit_rcu+0x93/0xc0 [ 59.017963] softirqs last disabled at (10353): [] irq_exit_rcu+0x93/0xc0 [ 59.019380] ---[ end trace 0000000000000000 ]--- [ 59.021054] ------------[ cut here ]------------ [ 59.021936] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.024587] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.025996] Modules linked in: [ 59.026614] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.028165] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.029494] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.030365] 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 [ 59.033340] RSP: 0018:ffff88801f317bf0 EFLAGS: 00010286 [ 59.034224] RAX: 0000000000000000 RBX: ffff88800d6e5a40 RCX: 0000000000000000 [ 59.035440] RDX: ffff8880191c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.036625] RBP: ffff88800d6e5a54 R08: 0000000000000001 R09: 0000000000000000 [ 59.037787] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.038996] R13: ffffffff84e223a0 R14: ffff88800d6e5a48 R15: ffffffff84daf020 [ 59.040207] FS: 0000555556140400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.041531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.042517] CR2: 00007f998a76bf70 CR3: 000000000f7dc000 CR4: 0000000000350ef0 [ 59.043705] Call Trace: [ 59.044145] [ 59.044584] nf_ct_net_init+0x224/0x3d0 [ 59.045250] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.046034] ops_init+0xbb/0x6b0 [ 59.046678] setup_net+0x3d9/0x990 [ 59.047272] ? down_read_killable+0x1d7/0x4e0 [ 59.048062] ? __pfx_setup_net+0x10/0x10 [ 59.048772] ? copy_net_ns+0x17c/0x770 [ 59.049474] copy_net_ns+0x321/0x770 [ 59.050104] create_new_namespaces+0x3f6/0xb30 [ 59.050939] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.051827] ksys_unshare+0x44d/0x8e0 [ 59.052532] ? __pfx_ksys_unshare+0x10/0x10 [ 59.053266] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.054252] __x64_sys_unshare+0x31/0x40 [ 59.054991] do_syscall_64+0x3f/0x90 [ 59.055683] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.056596] RIP: 0033:0x7fc10cc1f0d7 [ 59.057226] 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 [ 59.060168] RSP: 002b:00007ffd7d4a6828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.061473] RAX: ffffffffffffffda RBX: 00007ffd7d4a6e68 RCX: 00007fc10cc1f0d7 [ 59.062702] RDX: 00007fc10cc8941f RSI: 00007ffd7d4a67c0 RDI: 0000000040000000 [ 59.063902] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7d4a65d0 [ 59.065075] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc10cd31bf0 [ 59.066277] R13: 00007ffd7d4a6900 R14: 0000000000000000 R15: 00000000000000f8 [ 59.067559] [ 59.067965] irq event stamp: 11345 [ 59.068582] hardirqs last enabled at (11357): [] __up_console_sem+0x78/0x80 [ 59.070023] hardirqs last disabled at (11368): [] __up_console_sem+0x5d/0x80 [ 59.071498] softirqs last enabled at (11248): [] irq_exit_rcu+0x93/0xc0 [ 59.072898] softirqs last disabled at (11243): [] irq_exit_rcu+0x93/0xc0 [ 59.074326] ---[ end trace 0000000000000000 ]--- executing program [ 60.577749] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.625371] Bluetooth: hci0: command 0x041b tx timeout [ 64.673384] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.721370] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:39:57 Registers: info registers vcpu 0 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f317618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 0000555556140400 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=00007fe047fcb6f4 CR3=000000000f7dc000 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=00000000000416dd RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f998a6627c0 CR3=00000000164ca000 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=2035303a30343a35312036312079614d XMM01=5d3435313631392e38352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3435313631392e38352020205b20 XMM07=732035303a30343a3531203631207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000