Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.508496] ------------[ cut here ]------------ [ 46.509522] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.511784] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.513636] Modules linked in: [ 46.514590] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.516783] Tainted: [W]=WARN [ 46.517413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.519026] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.520026] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 46.523511] RSP: 0018:ffff888016847bc0 EFLAGS: 00010286 [ 46.524579] RAX: 0000000000000000 RBX: ffffed1002d08f78 RCX: ffffffff813a4050 [ 46.526013] RDX: ffff88800f073780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.527425] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d08f2f [ 46.528834] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.530247] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016847df8 [ 46.531646] FS: 00007efda3379900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.533247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.534426] CR2: 00007ffe080e1ef7 CR3: 000000001dc06000 CR4: 0000000000350ef0 [ 46.535842] Call Trace: [ 46.536354] [ 46.536855] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.537848] ? __create_object+0x59/0x80 [ 46.538643] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.539695] __vmalloc_noprof+0x59/0x60 [ 46.540501] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.541456] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.542471] bpf_prog_alloc+0x39/0x200 [ 46.543274] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.544295] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.545288] do_seccomp+0x349/0x25e0 [ 46.546061] ? find_held_lock+0x2b/0x80 [ 46.546881] ? do_prlimit+0x310/0x610 [ 46.547649] ? __pfx_do_seccomp+0x10/0x10 [ 46.548508] ? do_raw_spin_unlock+0x53/0x220 [ 46.549422] ? _raw_spin_unlock+0x1e/0x40 [ 46.550269] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.551309] ? static_key_count+0x60/0x80 [ 46.552190] prctl_set_seccomp+0x4e/0x70 [ 46.553042] __do_sys_prctl+0xe6c/0x1d70 [ 46.553898] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.554826] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.555881] ? irqentry_exit+0xf3/0x650 [ 46.556661] do_syscall_64+0xbf/0x430 [ 46.557483] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.558525] RIP: 0033:0x7efda386b5cd [ 46.559289] 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 [ 46.562761] RSP: 002b:00007ffe080e0d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.564228] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efda386b5cd [ 46.565617] RDX: 000055e685d9ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.567005] RBP: 00007ffe080e0d70 R08: 0000000000000000 R09: 00007ffe080e0410 [ 46.568374] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6c344c240 [ 46.569760] R13: 00007ffe080e11a0 R14: 000055e6c3455380 R15: 000055e6c3460540 [ 46.571150] [ 46.571611] irq event stamp: 1901 [ 46.572313] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 46.573877] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 46.575231] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 46.576590] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 46.577975] ---[ end trace 0000000000000000 ]--- [ 50.099118] ------------[ cut here ]------------ [ 50.100165] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.102385] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 50.104060] Modules linked in: [ 50.104740] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.107023] Tainted: [W]=WARN [ 50.107649] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.109320] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.110331] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 50.113899] RSP: 0018:ffff88801a44fbc0 EFLAGS: 00010286 [ 50.115000] RAX: 0000000000000000 RBX: ffffed1003489f78 RCX: ffffffff813a4050 [ 50.116452] RDX: ffff8880171d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.117907] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003489f2f [ 50.119346] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.120806] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a44fdf8 [ 50.122254] FS: 00007fc1354de900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.123870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.125084] CR2: 00007fffe921aef7 CR3: 000000000ecf7000 CR4: 0000000000350ef0 [ 50.126537] Call Trace: [ 50.127111] [ 50.127569] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.128567] ? __create_object+0x59/0x80 [ 50.129363] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.130323] __vmalloc_noprof+0x59/0x60 [ 50.131075] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.131985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.132907] bpf_prog_alloc+0x39/0x200 [ 50.133608] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.134529] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.135416] do_seccomp+0x349/0x25e0 [ 50.136121] ? find_held_lock+0x2b/0x80 [ 50.136864] ? do_prlimit+0x310/0x610 [ 50.137568] ? __pfx_do_seccomp+0x10/0x10 [ 50.138348] ? do_raw_spin_unlock+0x53/0x220 [ 50.139173] ? _raw_spin_unlock+0x1e/0x40 [ 50.139938] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.140889] ? static_key_count+0x60/0x80 [ 50.141651] prctl_set_seccomp+0x4e/0x70 [ 50.142422] __do_sys_prctl+0xe6c/0x1d70 [ 50.143187] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.144028] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.144973] ? irqentry_exit+0xf3/0x650 [ 50.145698] do_syscall_64+0xbf/0x430 [ 50.146423] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.147373] RIP: 0033:0x7fc1359d05cd [ 50.148067] 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 [ 50.151208] RSP: 002b:00007fffe92199c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.152551] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1359d05cd [ 50.153818] RDX: 000055df3167ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.155078] RBP: 00007fffe9219a20 R08: 0000000000000000 R09: 00007fffe92190c0 [ 50.156338] R10: 0000000000000000 R11: 0000000000000246 R12: 000055df40e01ad0 [ 50.157597] R13: 00007fffe9219e50 R14: 000055df40e02bc0 R15: 000055df40e13780 [ 50.158866] [ 50.159282] irq event stamp: 1739 [ 50.159917] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 50.161411] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 50.162894] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 50.164393] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 50.165875] ---[ end trace 0000000000000000 ]--- [ 50.980125] ------------[ cut here ]------------ [ 50.981106] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.983189] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.984810] Modules linked in: [ 50.985448] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.987532] Tainted: [W]=WARN [ 50.988139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.989683] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.990611] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 50.993902] RSP: 0018:ffff8880161b7bc0 EFLAGS: 00010286 [ 50.994930] RAX: 0000000000000000 RBX: ffffed1002c36f78 RCX: ffffffff813a4050 [ 50.996282] RDX: ffff888015b75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.997610] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c36f2f [ 50.998933] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.000262] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161b7df8 [ 51.001602] FS: 00007f7c828ca900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.003080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.004174] CR2: 00007f7c82e304a6 CR3: 0000000013fcc000 CR4: 0000000000350ef0 [ 51.005511] Call Trace: [ 51.006032] [ 51.006462] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.007397] ? __create_object+0x59/0x80 [ 51.008211] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.009212] __vmalloc_noprof+0x59/0x60 [ 51.009994] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.010891] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.011848] bpf_prog_alloc+0x39/0x200 [ 51.012571] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.013549] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.014478] do_seccomp+0x349/0x25e0 [ 51.015219] ? find_held_lock+0x2b/0x80 [ 51.015996] ? do_prlimit+0x310/0x610 [ 51.016717] ? __pfx_do_seccomp+0x10/0x10 [ 51.017523] ? do_raw_spin_unlock+0x53/0x220 [ 51.018372] ? _raw_spin_unlock+0x1e/0x40 [ 51.019169] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.020157] ? static_key_count+0x60/0x80 [ 51.020985] prctl_set_seccomp+0x4e/0x70 [ 51.021796] __do_sys_prctl+0xe6c/0x1d70 [ 51.022543] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.023411] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.024387] ? irqentry_exit+0xf3/0x650 [ 51.025164] do_syscall_64+0xbf/0x430 [ 51.025896] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.026848] RIP: 0033:0x7f7c82dbc5cd [ 51.027511] 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 [ 51.030719] RSP: 002b:00007fff07263f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.032151] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c82dbc5cd [ 51.033452] RDX: 0000559219bdee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.034731] RBP: 00007fff07263fe0 R08: 0000000000000000 R09: 00007fff07263680 [ 51.036025] R10: 0000000000000000 R11: 0000000000000246 R12: 000055924c587ad0 [ 51.037326] R13: 00007fff07264410 R14: 000055924c588bc0 R15: 000055924c599780 [ 51.038623] [ 51.039096] irq event stamp: 1797 [ 51.039702] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 51.041268] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 51.042796] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 51.044338] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 51.045872] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45333' (ECDSA) to the list of known hosts. 2025/11/18 22:37:07 fuzzer started 2025/11/18 22:37:07 dialing manager at localhost:34383 2025/11/18 22:37:07 checking machine... 2025/11/18 22:37:07 checking revisions... [ 51.954299] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:37:07 testing simple program... [ 52.038141] cgroup: Unknown subsys name 'net' [ 52.098121] cgroup: Unknown subsys name 'cpuset' [ 52.111583] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:37:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800f265340 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888016847690 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=000000000002942d R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81526f05 RFL=00000086 [--S--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 00007fc1354de900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffe9213000 CR3=0000000020e07000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002754f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3b89d300b0 CR3=000000000e80f000 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=163b764da0ec46a55e4e815ab0036c71 XMM02=ec2efd57dc4c00df0000000000302cb8 XMM03=d8483c237dca3adb0000000000302d88 XMM04=650c2d297900c72100000000000ae988 XMM05=2529d447ffb1a900000000000031ea60 XMM06=474038aa6c007e1f000000000031e0e8 XMM07=e042d86d42eb936e000000000030e758 XMM08=d8483c237dca3adb0000000000302d88 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000