Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.042720] ------------[ cut here ]------------ [ 46.043629] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.045662] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.047109] Modules linked in: [ 46.047690] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.049666] Tainted: [W]=WARN [ 46.050267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.051780] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.052713] 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 [ 46.056132] RSP: 0018:ffff888016befbc0 EFLAGS: 00010286 [ 46.057156] RAX: 0000000000000000 RBX: ffffed1002d7df78 RCX: ffffffff813a4050 [ 46.058436] RDX: ffff88801aff3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.059711] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7df2f [ 46.060967] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.062237] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016befdf8 [ 46.063509] FS: 00007f0abdba7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.064946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.065983] CR2: 00007f0abe10d4a6 CR3: 000000001e287000 CR4: 0000000000350ef0 [ 46.067255] Call Trace: [ 46.067720] [ 46.068157] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.069041] ? __create_object+0x59/0x80 [ 46.069771] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.070738] __vmalloc_noprof+0x59/0x60 [ 46.071480] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.072356] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.073281] bpf_prog_alloc+0x39/0x200 [ 46.074012] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.074888] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.075777] do_seccomp+0x349/0x25e0 [ 46.076483] ? find_held_lock+0x2b/0x80 [ 46.077220] ? do_prlimit+0x310/0x610 [ 46.077910] ? __pfx_do_seccomp+0x10/0x10 [ 46.078701] ? do_raw_spin_unlock+0x53/0x220 [ 46.079520] ? _raw_spin_unlock+0x1e/0x40 [ 46.080286] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.081250] ? static_key_count+0x60/0x80 [ 46.082068] prctl_set_seccomp+0x4e/0x70 [ 46.082798] __do_sys_prctl+0xe6c/0x1d70 [ 46.083579] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.084423] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.085402] ? irqentry_exit+0xf3/0x650 [ 46.086165] do_syscall_64+0xbf/0x430 [ 46.086858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.087812] RIP: 0033:0x7f0abe0995cd [ 46.088491] 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 [ 46.091665] RSP: 002b:00007ffc35584060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.093020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0abe0995cd [ 46.094280] RDX: 00005638fb5e7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.095570] RBP: 00007ffc355840c0 R08: 0000000000000000 R09: 00007ffc35583760 [ 46.096847] R10: 0000000000000000 R11: 0000000000000246 R12: 000056393523bad0 [ 46.098120] R13: 00007ffc355844f0 R14: 000056393523cbc0 R15: 000056393524d780 [ 46.099414] [ 46.099833] irq event stamp: 1801 [ 46.100478] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 46.101966] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 46.103479] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 46.105010] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 46.106497] ---[ end trace 0000000000000000 ]--- [ 49.513712] ------------[ cut here ]------------ [ 49.514478] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.516180] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.517398] Modules linked in: [ 49.517883] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.519723] Tainted: [W]=WARN [ 49.520279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.521500] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.522267] 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 [ 49.524900] RSP: 0018:ffff88801664fbc0 EFLAGS: 00010286 [ 49.525699] RAX: 0000000000000000 RBX: ffffed1002cc9f78 RCX: ffffffff813a4050 [ 49.526782] RDX: ffff8880170fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.527852] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc9f2f [ 49.528912] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.530000] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801664fdf8 [ 49.531077] FS: 00007f3b538d2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.532274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.533146] CR2: 00007f3b53dc4580 CR3: 000000000e468000 CR4: 0000000000350ef0 [ 49.534201] Call Trace: [ 49.534585] [ 49.534969] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.535677] ? __create_object+0x59/0x80 [ 49.536321] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.537118] __vmalloc_noprof+0x59/0x60 [ 49.537707] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.538427] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.539211] bpf_prog_alloc+0x39/0x200 [ 49.539785] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.540548] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.541291] do_seccomp+0x349/0x25e0 [ 49.541853] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.542599] ? __pfx_do_seccomp+0x10/0x10 [ 49.543265] ? find_held_lock+0x2b/0x80 [ 49.543856] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.544661] ? static_key_count+0x60/0x80 [ 49.545324] prctl_set_seccomp+0x4e/0x70 [ 49.545971] __do_sys_prctl+0xe6c/0x1d70 [ 49.546586] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.547306] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.548105] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.548870] ? irqentry_exit+0xf3/0x650 [ 49.549513] do_syscall_64+0xbf/0x430 [ 49.550123] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.550886] RIP: 0033:0x7f3b53dc45cd [ 49.551462] 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 [ 49.554080] RSP: 002b:00007ffcd9442460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.555222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b53dc45cd [ 49.556287] RDX: 00005567c8730e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.557349] RBP: 00007ffcd94424c0 R08: 0000000000000000 R09: 00007ffcd9441b60 [ 49.558418] R10: 0000000000000000 R11: 0000000000000246 R12: 00005567f7e98240 [ 49.559491] R13: 00007ffcd94428f0 R14: 00005567f7ea1380 R15: 00005567f7eac540 [ 49.560581] [ 49.560975] irq event stamp: 1853 [ 49.561477] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 49.562761] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 49.564006] softirqs last enabled at (1840): [] handle_softirqs+0x50c/0x770 [ 49.565275] softirqs last disabled at (1825): [] __irq_exit_rcu+0xc4/0x100 [ 49.566538] ---[ end trace 0000000000000000 ]--- [ 50.353996] ------------[ cut here ]------------ [ 50.354872] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.356872] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.358343] Modules linked in: [ 50.359008] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.360978] Tainted: [W]=WARN [ 50.361526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.363226] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.364215] 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 [ 50.367583] RSP: 0018:ffff8880170cfbc0 EFLAGS: 00010286 [ 50.368650] RAX: 0000000000000000 RBX: ffffed1002e19f78 RCX: ffffffff813a4050 [ 50.370041] RDX: ffff888016d6b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.371440] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e19f2f [ 50.372803] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.374178] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170cfdf8 [ 50.375585] FS: 00007ff0e1c57900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.377113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.378260] CR2: 00007ffc46facef7 CR3: 000000000e3cd000 CR4: 0000000000350ef0 [ 50.379652] Call Trace: [ 50.380213] [ 50.380664] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.381655] ? __create_object+0x59/0x80 [ 50.382513] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.383610] __vmalloc_noprof+0x59/0x60 [ 50.384448] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.385405] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.386429] bpf_prog_alloc+0x39/0x200 [ 50.387264] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.388309] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.389322] do_seccomp+0x349/0x25e0 [ 50.390134] ? find_held_lock+0x2b/0x80 [ 50.391010] ? do_prlimit+0x310/0x610 [ 50.391785] ? __pfx_do_seccomp+0x10/0x10 [ 50.392671] ? do_raw_spin_unlock+0x53/0x220 [ 50.393605] ? _raw_spin_unlock+0x1e/0x40 [ 50.394481] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.395568] ? static_key_count+0x60/0x80 [ 50.396458] prctl_set_seccomp+0x4e/0x70 [ 50.397332] __do_sys_prctl+0xe6c/0x1d70 [ 50.398211] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.399189] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.400273] ? irqentry_exit+0xf3/0x650 [ 50.401123] do_syscall_64+0xbf/0x430 [ 50.401892] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.403020] RIP: 0033:0x7ff0e21495cd [ 50.403744] 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 [ 50.407231] RSP: 002b:00007ffc46fabac0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.408724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0e21495cd [ 50.410158] RDX: 000055a7f52d1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.411592] RBP: 00007ffc46fabb20 R08: 0000000000000000 R09: 00007ffc46fab1c0 [ 50.413016] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a834584ad0 [ 50.414430] R13: 00007ffc46fabf50 R14: 000055a834585bc0 R15: 000055a834596780 [ 50.415893] [ 50.416428] irq event stamp: 1759 [ 50.417149] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 50.418852] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 50.420287] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 50.421672] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 50.423063] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38959' (ECDSA) to the list of known hosts. 2025/11/17 20:28:26 fuzzer started 2025/11/17 20:28:26 dialing manager at localhost:37895 2025/11/17 20:28:26 checking machine... 2025/11/17 20:28:26 checking revisions... [ 51.319264] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:28:26 testing simple program... [ 51.422671] cgroup: Unknown subsys name 'net' [ 51.495754] cgroup: Unknown subsys name 'cpuset' [ 51.518378] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:28:25 Registers: info registers vcpu 0 RAX=00000000ffffbff9 RBX=ffff8880170f9bc0 RCX=0000000000004006 RDX=00000000ffffbff9 RSI=ffff8880170fa618 RDI=00000000fffffffe RBP=ffff8880170fa618 RSP=ffff888019a07470 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880170fa618 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815275a5 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 00007f3b538d2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcd943c000 CR3=000000001f113000 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=ffff888015c9ddc0 RBX=00007ff21ab5c6d0 RCX=ffff88801afff4d4 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff888015c9ddc0 RBP=ffffffff85e1ffe0 RSP=ffff88801afff4c8 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff888015c9d340 R15=0000000000000002 RIP=ffffffff81528fbc 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007ff21ab60700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005567f7ef2000 CR3=000000000e5f7000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3933325b646873732035323a3832 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383134 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000