Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:64246' (ECDSA) to the list of known hosts. 2023/05/16 20:38:03 fuzzer started 2023/05/16 20:38:04 dialing manager at localhost:35573 2023/05/16 20:38:04 checking machine... 2023/05/16 20:38:04 checking revisions... syzkaller login: [ 88.710275] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:38:04 testing simple program... [ 88.783515] cgroup: Unknown subsys name 'net' [ 88.824087] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 101.130733] audit: type=1400 audit(1684269496.648:6): 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 [ 102.251929] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 102.254548] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 102.256574] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 102.260170] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 102.262404] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 102.264293] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 102.656812] ------------[ cut here ]------------ [ 102.657598] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 102.659323] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 102.660397] Modules linked in: [ 102.660821] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 102.665686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 102.666714] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 102.667365] 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 [ 102.669573] RSP: 0018:ffff888016dbfc00 EFLAGS: 00010282 [ 102.670249] RAX: 0000000000000000 RBX: ffff88800e205c40 RCX: 0000000000000000 [ 102.671146] RDX: ffff88800d9f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 102.672038] RBP: ffff88800e205c54 R08: 0000000000000001 R09: 0000000000000000 [ 102.672927] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 102.673830] R13: ffffffff84e223a0 R14: ffff88800e205c48 R15: ffffffff84d73340 [ 102.674740] FS: 00005555564a7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 102.675733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.676456] CR2: 00007f220e8d16f4 CR3: 000000000f6e4000 CR4: 0000000000350ef0 [ 102.677345] Call Trace: [ 102.677725] [ 102.678024] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 102.678671] ipv4_frags_init_net+0x269/0x440 [ 102.679230] ops_init+0xbb/0x6b0 [ 102.679701] setup_net+0x3d9/0x990 [ 102.680158] ? down_read_killable+0x1d7/0x4e0 [ 102.680747] ? __pfx_setup_net+0x10/0x10 [ 102.681251] ? copy_net_ns+0x17c/0x770 [ 102.681790] copy_net_ns+0x321/0x770 [ 102.682275] create_new_namespaces+0x3f6/0xb30 [ 102.682891] unshare_nsproxy_namespaces+0xc1/0x200 [ 102.683514] ksys_unshare+0x44d/0x8e0 [ 102.684031] ? __pfx_ksys_unshare+0x10/0x10 [ 102.684587] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 102.685331] __x64_sys_unshare+0x31/0x40 [ 102.685891] do_syscall_64+0x3f/0x90 [ 102.686363] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 102.687038] RIP: 0033:0x7ff00d8bb0d7 [ 102.687508] 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 [ 102.689707] RSP: 002b:00007ffef1712558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 102.690672] RAX: ffffffffffffffda RBX: 00007ffef1712b98 RCX: 00007ff00d8bb0d7 [ 102.691542] RDX: 00007ff00d92541f RSI: 00007ffef17124f0 RDI: 0000000040000000 [ 102.692415] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef1712300 [ 102.693295] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff00d9cdbf0 [ 102.694180] R13: 00007ffef1712630 R14: 0000000000000000 R15: 00000000000000f8 [ 102.695086] [ 102.695384] irq event stamp: 9925 [ 102.695832] hardirqs last enabled at (9937): [] __up_console_sem+0x78/0x80 [ 102.696883] hardirqs last disabled at (9948): [] __up_console_sem+0x5d/0x80 [ 102.697953] softirqs last enabled at (9834): [] irq_exit_rcu+0x93/0xc0 [ 102.698972] softirqs last disabled at (9829): [] irq_exit_rcu+0x93/0xc0 [ 102.699994] ---[ end trace 0000000000000000 ]--- [ 102.705206] ------------[ cut here ]------------ [ 102.705851] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 102.707490] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 102.708547] Modules linked in: [ 102.708977] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 102.710155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 102.711180] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 102.711853] 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 [ 102.714073] RSP: 0018:ffff888016dbfc00 EFLAGS: 00010282 [ 102.714774] RAX: 0000000000000000 RBX: ffff888008fbd840 RCX: 0000000000000000 [ 102.715660] RDX: ffff88800d9f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 102.716515] RBP: ffff888008fbd854 R08: 0000000000000001 R09: 0000000000000000 [ 102.717421] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 102.718305] R13: ffffffff84e223a0 R14: ffff888008fbd848 R15: ffffffff84da62e0 [ 102.719204] FS: 00005555564a7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 102.720210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.720949] CR2: 00007f220e8d16f4 CR3: 000000000f6e4000 CR4: 0000000000350ef0 [ 102.721848] Call Trace: [ 102.722174] [ 102.722472] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 102.723113] ipv6_frags_init_net+0x206/0x3c0 [ 102.723702] ops_init+0xbb/0x6b0 [ 102.724147] setup_net+0x3d9/0x990 [ 102.724596] ? down_read_killable+0x1d7/0x4e0 [ 102.725195] ? __pfx_setup_net+0x10/0x10 [ 102.725746] ? copy_net_ns+0x17c/0x770 [ 102.726250] copy_net_ns+0x321/0x770 [ 102.726759] create_new_namespaces+0x3f6/0xb30 [ 102.727348] unshare_nsproxy_namespaces+0xc1/0x200 [ 102.727992] ksys_unshare+0x44d/0x8e0 [ 102.728483] ? __pfx_ksys_unshare+0x10/0x10 [ 102.729083] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 102.729838] __x64_sys_unshare+0x31/0x40 [ 102.730358] do_syscall_64+0x3f/0x90 [ 102.730858] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 102.731494] RIP: 0033:0x7ff00d8bb0d7 [ 102.731984] 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 [ 102.734183] RSP: 002b:00007ffef1712558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 102.735136] RAX: ffffffffffffffda RBX: 00007ffef1712b98 RCX: 00007ff00d8bb0d7 [ 102.736026] RDX: 00007ff00d92541f RSI: 00007ffef17124f0 RDI: 0000000040000000 [ 102.736918] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef1712300 [ 102.737830] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff00d9cdbf0 [ 102.738713] R13: 00007ffef1712630 R14: 0000000000000000 R15: 00000000000000f8 [ 102.739589] [ 102.739923] irq event stamp: 11797 [ 102.740358] hardirqs last enabled at (11807): [] __up_console_sem+0x78/0x80 [ 102.741435] hardirqs last disabled at (11818): [] __up_console_sem+0x5d/0x80 [ 102.742500] softirqs last enabled at (10630): [] netlink_insert+0x187/0x1820 [ 102.743588] softirqs last disabled at (10628): [] release_sock+0x1f/0x1b0 [ 102.744648] ---[ end trace 0000000000000000 ]--- [ 102.746028] ------------[ cut here ]------------ [ 102.746640] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 102.748597] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 102.749677] Modules linked in: [ 102.750078] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 102.751251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 102.752273] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 102.752976] 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 [ 102.755162] RSP: 0018:ffff888016dbfbf0 EFLAGS: 00010286 [ 102.755842] RAX: 0000000000000000 RBX: ffff888008fbcc40 RCX: 0000000000000000 [ 102.756745] RDX: ffff88800d9f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 102.757668] RBP: ffff888008fbcc54 R08: 0000000000000001 R09: 0000000000000000 [ 102.758572] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 102.759470] R13: ffffffff84e223a0 R14: ffff888008fbcc48 R15: ffffffff84daf020 [ 102.760361] FS: 00005555564a7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 102.761358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.762111] CR2: 00007f220e8d16f4 CR3: 000000000f6e4000 CR4: 0000000000350ef0 [ 102.762997] Call Trace: [ 102.763324] [ 102.763655] nf_ct_net_init+0x224/0x3d0 [ 102.764172] ? __pfx_nf_ct_net_init+0x10/0x10 [ 102.764774] ops_init+0xbb/0x6b0 [ 102.765220] setup_net+0x3d9/0x990 [ 102.765723] ? down_read_killable+0x1d7/0x4e0 [ 102.766291] ? __pfx_setup_net+0x10/0x10 [ 102.766822] ? copy_net_ns+0x17c/0x770 [ 102.767335] copy_net_ns+0x321/0x770 [ 102.767842] create_new_namespaces+0x3f6/0xb30 [ 102.768425] unshare_nsproxy_namespaces+0xc1/0x200 [ 102.769069] ksys_unshare+0x44d/0x8e0 [ 102.769568] ? __pfx_ksys_unshare+0x10/0x10 [ 102.770145] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 102.770881] __x64_sys_unshare+0x31/0x40 [ 102.771397] do_syscall_64+0x3f/0x90 [ 102.771902] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 102.772551] RIP: 0033:0x7ff00d8bb0d7 [ 102.773041] 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 [ 102.775229] RSP: 002b:00007ffef1712558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 102.776194] RAX: ffffffffffffffda RBX: 00007ffef1712b98 RCX: 00007ff00d8bb0d7 [ 102.777102] RDX: 00007ff00d92541f RSI: 00007ffef17124f0 RDI: 0000000040000000 [ 102.778019] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef1712300 [ 102.778917] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff00d9cdbf0 [ 102.779817] R13: 00007ffef1712630 R14: 0000000000000000 R15: 00000000000000f8 [ 102.780723] [ 102.781024] irq event stamp: 12599 [ 102.781463] hardirqs last enabled at (12609): [] __up_console_sem+0x78/0x80 [ 102.782529] hardirqs last disabled at (12620): [] __up_console_sem+0x5d/0x80 [ 102.783623] softirqs last enabled at (12536): [] irq_exit_rcu+0x93/0xc0 [ 102.784662] softirqs last disabled at (12527): [] irq_exit_rcu+0x93/0xc0 [ 102.785709] ---[ end trace 0000000000000000 ]--- executing program [ 104.329189] Bluetooth: hci0: command 0x0409 tx timeout [ 106.376687] Bluetooth: hci0: command 0x041b tx timeout executing program [ 108.424690] Bluetooth: hci0: command 0x040f tx timeout executing program [ 110.472693] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:37:25 Registers: info registers vcpu 0 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016dbf5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e 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 00005555564a7400 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=00007f220e8d16f4 CR3=000000000f6e4000 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=0000000000080b3f 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=00007f2a99c41d80 CR3=0000000015bde000 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=53b3c63bec8e2abb0b45fb1c676274cb XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=bacd76dd9bf745a8000000000013e448 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4cf6130ff456ff5400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000