Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.085457] ------------[ cut here ]------------ [ 39.086405] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.088479] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.089936] Modules linked in: [ 39.090523] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.092497] Tainted: [W]=WARN [ 39.093089] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.094562] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.095737] 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 [ 39.099078] RSP: 0018:ffff88800ee7fbc0 EFLAGS: 00010286 [ 39.100091] RAX: 0000000000000000 RBX: ffffed1001dcff78 RCX: ffffffff813a4050 [ 39.101380] RDX: ffff888014703780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.102643] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dcff2f [ 39.103943] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.105194] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ee7fdf8 [ 39.106474] FS: 00007f97faded900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.107939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.108984] CR2: 00007ffdfacd7ef7 CR3: 000000000bd81000 CR4: 0000000000350ef0 [ 39.110270] Call Trace: [ 39.110729] [ 39.111165] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.112080] ? __create_object+0x59/0x80 [ 39.112816] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.113782] __vmalloc_noprof+0x59/0x60 [ 39.114538] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.115428] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.116367] bpf_prog_alloc+0x39/0x200 [ 39.117107] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.118040] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.118929] do_seccomp+0x349/0x25e0 [ 39.119598] ? find_held_lock+0x2b/0x80 [ 39.120378] ? do_prlimit+0x310/0x610 [ 39.121121] ? __pfx_do_seccomp+0x10/0x10 [ 39.121890] ? do_raw_spin_unlock+0x53/0x220 [ 39.122662] ? _raw_spin_unlock+0x1e/0x40 [ 39.123443] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.124407] ? static_key_count+0x60/0x80 [ 39.125190] prctl_set_seccomp+0x4e/0x70 [ 39.125981] __do_sys_prctl+0xe6c/0x1d70 [ 39.126709] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.127571] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.128545] ? irqentry_exit+0xf3/0x650 [ 39.129305] do_syscall_64+0xbf/0x430 [ 39.130042] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.130970] RIP: 0033:0x7f97fb2df5cd [ 39.131624] 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 [ 39.134831] RSP: 002b:00007ffdfacd5730 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.136228] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97fb2df5cd [ 39.137385] RDX: 000055f521329e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.138461] RBP: 00007ffdfacd5790 R08: 0000000000000000 R09: 00007ffdfacd4e30 [ 39.139539] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f53a8a0ad0 [ 39.140625] R13: 00007ffdfacd5bc0 R14: 000055f53a8a1bc0 R15: 000055f53a8b2780 [ 39.141706] [ 39.142099] irq event stamp: 1887 [ 39.142609] hardirqs last enabled at (1895): [] __up_console_sem+0x78/0x80 [ 39.143899] hardirqs last disabled at (1904): [] __up_console_sem+0x5d/0x80 [ 39.145177] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 39.146472] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 39.147745] ---[ end trace 0000000000000000 ]--- [ 42.032246] ------------[ cut here ]------------ [ 42.032643] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.033519] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.034148] Modules linked in: [ 42.034402] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.035247] Tainted: [W]=WARN [ 42.035489] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.036175] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.036572] 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 [ 42.038043] RSP: 0018:ffff888017177bc0 EFLAGS: 00010286 [ 42.038474] RAX: 0000000000000000 RBX: ffffed1002e2ef78 RCX: ffffffff813a4050 [ 42.039068] RDX: ffff88801abf0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.039648] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2ef2f [ 42.040248] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.040823] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017177df8 [ 42.041419] FS: 00007efd29186900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.042088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.042560] CR2: 00007efd29678580 CR3: 000000002024f000 CR4: 0000000000350ef0 [ 42.043153] Call Trace: [ 42.043364] [ 42.043557] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.043980] ? __create_object+0x59/0x80 [ 42.044328] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.044752] __vmalloc_noprof+0x59/0x60 [ 42.045098] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.045481] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.045910] bpf_prog_alloc+0x39/0x200 [ 42.046233] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.046638] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.047057] do_seccomp+0x349/0x25e0 [ 42.047366] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.047768] ? __pfx_do_seccomp+0x10/0x10 [ 42.048133] ? find_held_lock+0x2b/0x80 [ 42.048466] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.048910] ? static_key_count+0x60/0x80 [ 42.049254] prctl_set_seccomp+0x4e/0x70 [ 42.049586] __do_sys_prctl+0xe6c/0x1d70 [ 42.049948] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.050316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.050742] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.051195] ? irqentry_exit+0xf3/0x650 [ 42.051534] do_syscall_64+0xbf/0x430 [ 42.051884] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.052308] RIP: 0033:0x7efd296785cd [ 42.052616] 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 [ 42.054094] RSP: 002b:00007ffd57558070 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.054697] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd296785cd [ 42.055297] RDX: 0000561eaa887e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.055889] RBP: 00007ffd575580d0 R08: 0000000000000000 R09: 00007ffd57557770 [ 42.056459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561eb45dabf0 [ 42.057040] R13: 00007ffd57558500 R14: 0000561eb45e4380 R15: 0000561eb45ef460 [ 42.057626] [ 42.057818] irq event stamp: 1655 [ 42.058120] hardirqs last enabled at (1665): [] __up_console_sem+0x78/0x80 [ 42.058808] hardirqs last disabled at (1672): [] __up_console_sem+0x5d/0x80 [ 42.059508] softirqs last enabled at (988): [] handle_softirqs+0x50c/0x770 [ 42.060218] softirqs last disabled at (983): [] __irq_exit_rcu+0xc4/0x100 [ 42.060908] ---[ end trace 0000000000000000 ]--- [ 42.722823] ------------[ cut here ]------------ [ 42.723839] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.725961] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.727418] Modules linked in: [ 42.728091] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.730109] Tainted: [W]=WARN [ 42.730665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.732165] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.733096] 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 [ 42.736281] RSP: 0018:ffff888017f87bc0 EFLAGS: 00010286 [ 42.737285] RAX: 0000000000000000 RBX: ffffed1002ff0f78 RCX: ffffffff813a4050 [ 42.738587] RDX: ffff888017a79bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.739885] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ff0f2f [ 42.741181] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.742484] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f87df8 [ 42.743803] FS: 00007f4ead91e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.745262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.746338] CR2: 00007ffca65bcef7 CR3: 000000001ad0b000 CR4: 0000000000350ef0 [ 42.747638] Call Trace: [ 42.748166] [ 42.748593] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.749493] ? __create_object+0x59/0x80 [ 42.750290] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.751284] __vmalloc_noprof+0x59/0x60 [ 42.752063] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.752963] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.753912] bpf_prog_alloc+0x39/0x200 [ 42.754615] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.755552] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.756493] do_seccomp+0x349/0x25e0 [ 42.757218] ? find_held_lock+0x2b/0x80 [ 42.757994] ? do_prlimit+0x310/0x610 [ 42.758699] ? __pfx_do_seccomp+0x10/0x10 [ 42.759485] ? do_raw_spin_unlock+0x53/0x220 [ 42.760347] ? _raw_spin_unlock+0x1e/0x40 [ 42.761140] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.762137] ? static_key_count+0x60/0x80 [ 42.762940] prctl_set_seccomp+0x4e/0x70 [ 42.763682] __do_sys_prctl+0xe6c/0x1d70 [ 42.764503] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.765386] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.766362] ? irqentry_exit+0xf3/0x650 [ 42.767153] do_syscall_64+0xbf/0x430 [ 42.767943] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.768920] RIP: 0033:0x7f4eade105cd [ 42.769588] 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 [ 42.772796] RSP: 002b:00007ffca65ba8c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.774190] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4eade105cd [ 42.775485] RDX: 000055e381f1ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.776788] RBP: 00007ffca65ba920 R08: 0000000000000000 R09: 00007ffca65b9fc0 [ 42.778087] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e38d8c5b10 [ 42.779396] R13: 00007ffca65bad50 R14: 000055e38d8c62b0 R15: 000055e38d8da6f0 [ 42.780720] [ 42.781105] irq event stamp: 1821 [ 42.781613] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 42.782889] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 42.784169] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770 [ 42.785460] softirqs last disabled at (1793): [] __irq_exit_rcu+0xc4/0x100 [ 42.786729] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:3883' (ECDSA) to the list of known hosts. 2025/11/17 17:16:45 fuzzer started 2025/11/17 17:16:46 dialing manager at localhost:37895 2025/11/17 17:16:46 checking machine... 2025/11/17 17:16:46 checking revisions... [ 43.652338] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:16:46 testing simple program... [ 43.734589] cgroup: Unknown subsys name 'net' [ 43.777269] cgroup: Unknown subsys name 'cpuset' [ 43.796021] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:16:45 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff888016315340 RCX=0000000000000001 RDX=0000000000022005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888016315d98 RSP=ffff88806ce088a8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016315dc0 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc RFL=00000006 [-----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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007efd29186900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd57552000 CR3=000000002020d000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002ae5d 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 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe40cb12000 CR3=000000000d3f4000 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=36313a373120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303530 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000