Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.873812] ------------[ cut here ]------------ [ 45.874561] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.876234] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 45.877491] Modules linked in: [ 45.877979] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.879628] Tainted: [W]=WARN [ 45.880110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.881340] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.882088] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 45.884766] RSP: 0018:ffff888015cb7bc0 EFLAGS: 00010286 [ 45.885574] RAX: 0000000000000000 RBX: ffffed1002b96f78 RCX: ffffffff813a4050 [ 45.886632] RDX: ffff888016905340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.887688] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b96f2f [ 45.888747] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.889840] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cb7df8 [ 45.890914] FS: 00007ff9f8f79900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.892102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.892951] CR2: 00007ffea478aef8 CR3: 000000000dd7a000 CR4: 0000000000350ef0 [ 45.894006] Call Trace: [ 45.894410] [ 45.894749] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.895480] ? __create_object+0x59/0x80 [ 45.896118] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.896911] __vmalloc_noprof+0x59/0x60 [ 45.897535] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.898269] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.899007] bpf_prog_alloc+0x39/0x200 [ 45.899629] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.900412] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.901163] do_seccomp+0x349/0x25e0 [ 45.901718] ? find_held_lock+0x2b/0x80 [ 45.902339] ? do_prlimit+0x310/0x610 [ 45.902930] ? __pfx_do_seccomp+0x10/0x10 [ 45.903577] ? do_raw_spin_unlock+0x53/0x220 [ 45.904266] ? _raw_spin_unlock+0x1e/0x40 [ 45.904892] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.905679] ? static_key_count+0x60/0x80 [ 45.906340] prctl_set_seccomp+0x4e/0x70 [ 45.906945] __do_sys_prctl+0xe6c/0x1d70 [ 45.907596] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.908312] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.909139] ? irqentry_exit+0xf3/0x650 [ 45.909747] do_syscall_64+0xbf/0x430 [ 45.910358] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.911160] RIP: 0033:0x7ff9f946b5cd [ 45.911707] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 45.914393] RSP: 002b:00007ffea47884e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.915518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9f946b5cd [ 45.916583] RDX: 0000559d9c752e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.917649] RBP: 00007ffea4788540 R08: 0000000000000000 R09: 00007ffea4787be0 [ 45.918712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559dcf78aad0 [ 45.919765] R13: 00007ffea4788970 R14: 0000559dcf78bbc0 R15: 0000559dcf79c780 [ 45.920846] [ 45.921229] irq event stamp: 1713 [ 45.921729] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 45.922980] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 45.924242] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 45.925537] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 45.926799] ---[ end trace 0000000000000000 ]--- [ 49.189334] ------------[ cut here ]------------ [ 49.190302] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.192417] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.193945] Modules linked in: [ 49.194660] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.196724] Tainted: [W]=WARN [ 49.197328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.198825] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.199754] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.203047] RSP: 0018:ffff8880155c7bc0 EFLAGS: 00010286 [ 49.204006] RAX: 0000000000000000 RBX: ffffed1002ab8f78 RCX: ffffffff813a4050 [ 49.205394] RDX: ffff88800f1c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.206702] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ab8f2f [ 49.208013] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.209375] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880155c7df8 [ 49.210693] FS: 00007fa5cd95f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.212165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.213282] CR2: 00007ffc3ef24ef8 CR3: 0000000020804000 CR4: 0000000000350ef0 [ 49.214592] Call Trace: [ 49.215124] [ 49.215544] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.216499] ? __create_object+0x59/0x80 [ 49.217305] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.218309] __vmalloc_noprof+0x59/0x60 [ 49.219094] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.219942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.220929] bpf_prog_alloc+0x39/0x200 [ 49.221683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.222638] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.223565] do_seccomp+0x349/0x25e0 [ 49.224311] ? find_held_lock+0x2b/0x80 [ 49.225162] ? do_prlimit+0x310/0x610 [ 49.225874] ? __pfx_do_seccomp+0x10/0x10 [ 49.226736] ? do_raw_spin_unlock+0x53/0x220 [ 49.227803] ? _raw_spin_unlock+0x1e/0x40 [ 49.228636] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.229609] ? static_key_count+0x60/0x80 [ 49.230436] prctl_set_seccomp+0x4e/0x70 [ 49.231241] __do_sys_prctl+0xe6c/0x1d70 [ 49.231992] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.232904] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.233891] ? irqentry_exit+0xf3/0x650 [ 49.234666] do_syscall_64+0xbf/0x430 [ 49.235411] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.236388] RIP: 0033:0x7fa5cde515cd [ 49.237129] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.240307] RSP: 002b:00007ffc3ef23700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.241715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa5cde515cd [ 49.243002] RDX: 00005585fb27ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.244330] RBP: 00007ffc3ef23760 R08: 0000000000000000 R09: 00007ffc3ef22e00 [ 49.245661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558625998240 [ 49.246938] R13: 00007ffc3ef23b90 R14: 00005586259a1380 R15: 00005586259ac540 [ 49.248243] [ 49.248703] irq event stamp: 1775 [ 49.249366] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 49.250894] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 49.252461] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 49.254047] softirqs last disabled at (1613): [] __irq_exit_rcu+0xc4/0x100 [ 49.255569] ---[ end trace 0000000000000000 ]--- [ 50.120369] ------------[ cut here ]------------ [ 50.121556] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.123572] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.125108] Modules linked in: [ 50.125698] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.127684] Tainted: [W]=WARN [ 50.128286] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.129768] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.130684] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 50.133835] RSP: 0018:ffff888015c47bc0 EFLAGS: 00010286 [ 50.134812] RAX: 0000000000000000 RBX: ffffed1002b88f78 RCX: ffffffff813a4050 [ 50.136082] RDX: ffff88800f1c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.137386] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b88f2f [ 50.138657] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.139922] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c47df8 [ 50.141232] FS: 00007f3ecf36c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.142658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.143705] CR2: 00007ffd7a827ef8 CR3: 000000000db36000 CR4: 0000000000350ef0 [ 50.145003] Call Trace: [ 50.145492] [ 50.145898] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.146784] ? __create_object+0x59/0x80 [ 50.147555] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.148557] __vmalloc_noprof+0x59/0x60 [ 50.149323] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.150201] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.151131] bpf_prog_alloc+0x39/0x200 [ 50.151826] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.152780] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.153687] do_seccomp+0x349/0x25e0 [ 50.154406] ? find_held_lock+0x2b/0x80 [ 50.155164] ? do_prlimit+0x310/0x610 [ 50.155854] ? __pfx_do_seccomp+0x10/0x10 [ 50.156667] ? do_raw_spin_unlock+0x53/0x220 [ 50.157499] ? _raw_spin_unlock+0x1e/0x40 [ 50.158291] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.159245] ? static_key_count+0x60/0x80 [ 50.160003] prctl_set_seccomp+0x4e/0x70 [ 50.160805] __do_sys_prctl+0xe6c/0x1d70 [ 50.161582] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.162441] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.163414] ? irqentry_exit+0xf3/0x650 [ 50.164188] do_syscall_64+0xbf/0x430 [ 50.164913] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.165869] RIP: 0033:0x7f3ecf85e5cd [ 50.166582] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 50.169753] RSP: 002b:00007ffd7a826940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.171128] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ecf85e5cd [ 50.172433] RDX: 000055c39dc0ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.173741] RBP: 00007ffd7a8269a0 R08: 0000000000000000 R09: 00007ffd7a826040 [ 50.175046] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3bb2d4ad0 [ 50.176327] R13: 00007ffd7a826dd0 R14: 000055c3bb2d5bc0 R15: 000055c3bb2e6780 [ 50.177641] [ 50.178116] irq event stamp: 1801 [ 50.178719] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 50.180235] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 50.181799] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 50.183343] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 50.184881] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21803' (ECDSA) to the list of known hosts. 2025/11/17 08:57:13 fuzzer started 2025/11/17 08:57:13 dialing manager at localhost:37895 2025/11/17 08:57:13 checking machine... 2025/11/17 08:57:13 checking revisions... [ 51.102870] kmemleak: Automatic memory scanning thread ended 2025/11/17 08:57:13 testing simple program... [ 51.180709] cgroup: Unknown subsys name 'net' [ 51.239671] cgroup: Unknown subsys name 'cpuset' [ 51.252647] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 08:57:12 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=ffffffff81518fc8 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806ce31cd0 RBP=ffffffff864649a0 RSP=ffff888013cff578 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000000 R13=dffffc0000000000 R14=ffff88801bc1a608 R15=ffffffff83d6e690 RIP=ffffffff815bcfa0 RFL=00000216 [----AP-] 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 00007fa5cd95f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc3ef1d000 CR3=0000000020800000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=0000006f730074696d7265705f6d6170 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026289 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb49ac19000 CR3=000000000de46000 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=c8aa69a60258d180ad4aa3d94497ba5d XMM02=0000000000304628eff9b2d0a8fce9cb XMM03=00000000003046f82c67c8bc2e329bc3 XMM04=ae7c5a929872183200000000000ae988 XMM05=d96330e2d2db8632000000000031f990 XMM06=474038aa6c007e1f000000000031f818 XMM07=e042d86d42eb936e000000000030ff18 XMM08=9f4cf3e7e11a5d4500000000003046f8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000