Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:39814' (ECDSA) to the list of known hosts. 2023/05/17 13:02:55 fuzzer started 2023/05/17 13:02:56 dialing manager at localhost:44319 2023/05/17 13:02:56 checking machine... 2023/05/17 13:02:56 checking revisions... syzkaller login: [ 39.043331] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:02:56 testing simple program... [ 39.109540] cgroup: Unknown subsys name 'net' [ 39.191016] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.396591] audit: type=1400 audit(1684328589.787:6): 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 [ 53.514645] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.516904] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.518742] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.522215] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.523795] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.525420] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 53.920822] ------------[ cut here ]------------ [ 53.921481] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.923127] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.924204] Modules linked in: [ 53.924611] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.925763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.930460] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.931241] 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 [ 53.933495] RSP: 0018:ffff88800fb7fc00 EFLAGS: 00010282 [ 53.934271] RAX: 0000000000000000 RBX: ffff88800f0c9040 RCX: 0000000000000000 [ 53.935241] RDX: ffff888015cc0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.936229] RBP: ffff88800f0c9054 R08: 0000000000000001 R09: 0000000000000000 [ 53.937201] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.938163] R13: ffffffff84e23fe0 R14: ffff88800f0c9048 R15: ffffffff84d74dc0 [ 53.939133] FS: 0000555555ee9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.940239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.941057] CR2: 00007fd33ffb56f4 CR3: 000000000e67a000 CR4: 0000000000350ee0 [ 53.941906] Call Trace: [ 53.942344] [ 53.942638] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.943360] ipv4_frags_init_net+0x269/0x440 [ 53.944044] ops_init+0xbb/0x6b0 [ 53.944491] setup_net+0x3d9/0x990 [ 53.945060] ? down_read_killable+0x1d7/0x4e0 [ 53.945628] ? __pfx_setup_net+0x10/0x10 [ 53.946243] ? copy_net_ns+0x17c/0x770 [ 53.946748] copy_net_ns+0x321/0x770 [ 53.947389] create_new_namespaces+0x3f6/0xb30 [ 53.948175] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.948786] ksys_unshare+0x44d/0x8e0 [ 53.949429] ? __pfx_ksys_unshare+0x10/0x10 [ 53.950117] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.950818] __x64_sys_unshare+0x31/0x40 [ 53.951543] do_syscall_64+0x3f/0x90 [ 53.952151] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.952791] RIP: 0033:0x7fea9e0b10d7 [ 53.953282] 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 [ 53.955430] RSP: 002b:00007ffcae6cc098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.956378] RAX: ffffffffffffffda RBX: 00007ffcae6cc6d8 RCX: 00007fea9e0b10d7 [ 53.957250] RDX: 00007fea9e11b41f RSI: 00007ffcae6cc030 RDI: 0000000040000000 [ 53.958123] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcae6cbe40 [ 53.959005] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fea9e1c3bf0 [ 53.959864] R13: 00007ffcae6cc170 R14: 0000000000000000 R15: 00000000000000f8 [ 53.960758] [ 53.961096] irq event stamp: 10175 [ 53.961524] hardirqs last enabled at (10185): [] __up_console_sem+0x78/0x80 [ 53.962577] hardirqs last disabled at (10196): [] __up_console_sem+0x5d/0x80 [ 53.963662] softirqs last enabled at (10048): [] irq_exit_rcu+0x93/0xc0 [ 53.964704] softirqs last disabled at (10009): [] irq_exit_rcu+0x93/0xc0 [ 53.965726] ---[ end trace 0000000000000000 ]--- [ 53.970739] ------------[ cut here ]------------ [ 53.971353] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.973010] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.974053] Modules linked in: [ 53.974451] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.975616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.976628] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.977310] 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 [ 53.979480] RSP: 0018:ffff88800fb7fc00 EFLAGS: 00010282 [ 53.980221] RAX: 0000000000000000 RBX: ffff88800eeb8440 RCX: 0000000000000000 [ 53.981113] RDX: ffff888015cc0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.981998] RBP: ffff88800eeb8454 R08: 0000000000000001 R09: 0000000000000000 [ 53.982852] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.983737] R13: ffffffff84e23fe0 R14: ffff88800eeb8448 R15: ffffffff84da7d60 [ 53.984614] FS: 0000555555ee9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.985601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.986337] CR2: 00007fd33ffb56f4 CR3: 000000000e67a000 CR4: 0000000000350ee0 [ 53.987228] Call Trace: [ 53.987557] [ 53.987857] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.988496] ipv6_frags_init_net+0x206/0x3c0 [ 53.989081] ops_init+0xbb/0x6b0 [ 53.989530] setup_net+0x3d9/0x990 [ 53.990012] ? down_read_killable+0x1d7/0x4e0 [ 53.990571] ? __pfx_setup_net+0x10/0x10 [ 53.991111] ? copy_net_ns+0x17c/0x770 [ 53.991636] copy_net_ns+0x321/0x770 [ 53.992148] create_new_namespaces+0x3f6/0xb30 [ 53.992729] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.993372] ksys_unshare+0x44d/0x8e0 [ 53.993861] ? __pfx_ksys_unshare+0x10/0x10 [ 53.994428] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.995155] __x64_sys_unshare+0x31/0x40 [ 53.995680] do_syscall_64+0x3f/0x90 [ 53.996190] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.996826] RIP: 0033:0x7fea9e0b10d7 [ 53.997326] 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 [ 53.999467] RSP: 002b:00007ffcae6cc098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.000426] RAX: ffffffffffffffda RBX: 00007ffcae6cc6d8 RCX: 00007fea9e0b10d7 [ 54.001304] RDX: 00007fea9e11b41f RSI: 00007ffcae6cc030 RDI: 0000000040000000 [ 54.002180] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcae6cbe40 [ 54.003063] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fea9e1c3bf0 [ 54.003962] R13: 00007ffcae6cc170 R14: 0000000000000000 R15: 00000000000000f8 [ 54.004843] [ 54.005174] irq event stamp: 11919 [ 54.005602] hardirqs last enabled at (11929): [] __up_console_sem+0x78/0x80 [ 54.006656] hardirqs last disabled at (11940): [] __up_console_sem+0x5d/0x80 [ 54.007716] softirqs last enabled at (10822): [] netlink_insert+0x187/0x1820 [ 54.008810] softirqs last disabled at (10820): [] release_sock+0x1f/0x1b0 [ 54.009848] ---[ end trace 0000000000000000 ]--- [ 54.011224] ------------[ cut here ]------------ [ 54.011837] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.013682] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.014733] Modules linked in: [ 54.015167] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.016322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.017320] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.017987] 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 [ 54.020155] RSP: 0018:ffff88800fb7fbf0 EFLAGS: 00010286 [ 54.020797] RAX: 0000000000000000 RBX: ffff88800eeb8a40 RCX: 0000000000000000 [ 54.021672] RDX: ffff888015cc0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.022551] RBP: ffff88800eeb8a54 R08: 0000000000000001 R09: 0000000000000000 [ 54.023434] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.024337] R13: ffffffff84e23fe0 R14: ffff88800eeb8a48 R15: ffffffff84db0aa0 [ 54.025223] FS: 0000555555ee9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.026199] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.026897] CR2: 00007fd33ffb56f4 CR3: 000000000e67a000 CR4: 0000000000350ee0 [ 54.027785] Call Trace: [ 54.028144] [ 54.028446] nf_ct_net_init+0x224/0x3d0 [ 54.028985] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.029554] ops_init+0xbb/0x6b0 [ 54.030042] setup_net+0x3d9/0x990 [ 54.030492] ? down_read_killable+0x1d7/0x4e0 [ 54.031085] ? __pfx_setup_net+0x10/0x10 [ 54.031613] ? copy_net_ns+0x17c/0x770 [ 54.032152] copy_net_ns+0x321/0x770 [ 54.032637] create_new_namespaces+0x3f6/0xb30 [ 54.033245] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.033859] ksys_unshare+0x44d/0x8e0 [ 54.034378] ? __pfx_ksys_unshare+0x10/0x10 [ 54.034950] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.035662] __x64_sys_unshare+0x31/0x40 [ 54.036210] do_syscall_64+0x3f/0x90 [ 54.036685] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.037362] RIP: 0033:0x7fea9e0b10d7 [ 54.037816] 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 [ 54.039994] RSP: 002b:00007ffcae6cc098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.040902] RAX: ffffffffffffffda RBX: 00007ffcae6cc6d8 RCX: 00007fea9e0b10d7 [ 54.041782] RDX: 00007fea9e11b41f RSI: 00007ffcae6cc030 RDI: 0000000040000000 [ 54.042660] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcae6cbe40 [ 54.043551] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fea9e1c3bf0 [ 54.044432] R13: 00007ffcae6cc170 R14: 0000000000000000 R15: 00000000000000f8 [ 54.045330] [ 54.045630] irq event stamp: 12729 [ 54.046087] hardirqs last enabled at (12741): [] __up_console_sem+0x78/0x80 [ 54.047144] hardirqs last disabled at (12752): [] __up_console_sem+0x5d/0x80 [ 54.048226] softirqs last enabled at (12472): [] irq_exit_rcu+0x93/0xc0 [ 54.049270] softirqs last disabled at (12465): [] irq_exit_rcu+0x93/0xc0 [ 54.050311] ---[ end trace 0000000000000000 ]--- [ 55.596672] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.643989] Bluetooth: hci0: command 0x041b tx timeout [ 59.692000] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.740029] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:03:09 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888016e8f910 RCX=0000000000000000 RDX=1ffff110011040c6 RSI=ffffffff844b4785 RDI=ffff888008820630 RBP=0000000000000011 RSP=ffff888016e8f870 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff888008820580 R13=0000000000000011 R14=0000000000000000 R15=ffff8880169aac80 RIP=ffffffff844b480d RFL=00000046 [---Z-P-] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f477cb63900 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=00007f477c05f110 CR3=000000000d050000 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=5837fe9dc1c91f3200000000000ae618 XMM01=fcfe0b2473cd4e800b4f2cec1897adeb XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000001110d8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=003339665354f7ab00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800fb7f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 0000555555ee9400 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=00007fd33ffb56f4 CR3=000000000e67a000 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