syzkaller login: [ 39.018113] ------------[ cut here ]------------ [ 39.019134] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.021358] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.022945] Modules linked in: [ 39.023626] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.026039] Tainted: [W]=WARN [ 39.026756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.028314] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.029326] 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 [ 39.032744] RSP: 0018:ffff88801a1b7bc0 EFLAGS: 00010286 [ 39.033831] RAX: 0000000000000000 RBX: ffffed1003436f78 RCX: ffffffff813a4050 [ 39.035202] RDX: ffff88801d168000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.036597] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003436f2f [ 39.037974] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.039378] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a1b7df8 [ 39.040746] FS: 00007faacd446900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.042339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.043481] CR2: 00007faacd938580 CR3: 000000000e713000 CR4: 0000000000350ef0 [ 39.044848] Call Trace: [ 39.045354] [ 39.045865] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.046825] ? __create_object+0x59/0x80 [ 39.047669] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.048707] __vmalloc_noprof+0x59/0x60 [ 39.049529] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.050415] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051411] bpf_prog_alloc+0x39/0x200 [ 39.052193] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.053186] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.054197] do_seccomp+0x349/0x25e0 [ 39.054984] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.055939] ? __pfx_do_seccomp+0x10/0x10 [ 39.056778] ? find_held_lock+0x2b/0x80 [ 39.057618] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.058674] ? static_key_count+0x60/0x80 [ 39.059558] prctl_set_seccomp+0x4e/0x70 [ 39.060354] __do_sys_prctl+0xe6c/0x1d70 [ 39.061223] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.062185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.063249] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.064326] ? irqentry_exit+0xf3/0x650 [ 39.065160] do_syscall_64+0xbf/0x430 [ 39.065986] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.067046] RIP: 0033:0x7faacd9385cd [ 39.067823] 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 [ 39.071289] RSP: 002b:00007ffe60191120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.072783] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faacd9385cd [ 39.074203] RDX: 000055e99a340e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.075580] RBP: 00007ffe60191180 R08: 0000000000000000 R09: 00007ffe60190820 [ 39.076968] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e9d3d56ad0 [ 39.078356] R13: 00007ffe601915b0 R14: 000055e9d3d57bc0 R15: 000055e9d3d68780 [ 39.079763] [ 39.080224] irq event stamp: 1815 [ 39.080905] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 39.082569] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 39.084209] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 39.085886] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 39.087249] ---[ end trace 0000000000000000 ]--- [ 42.405318] ------------[ cut here ]------------ [ 42.406614] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.409195] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.411081] Modules linked in: [ 42.411915] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.414495] Tainted: [W]=WARN [ 42.415200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.417057] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.418260] 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 [ 42.422293] RSP: 0018:ffff888015de7bc0 EFLAGS: 00010286 [ 42.423550] RAX: 0000000000000000 RBX: ffffed1002bbcf78 RCX: ffffffff813a4050 [ 42.425184] RDX: ffff888017325340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.426933] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bbcf2f [ 42.428583] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.430244] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015de7df8 [ 42.431904] FS: 00007f9cbe913900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.433764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.435137] CR2: 00007f9cbee05580 CR3: 000000000e94a000 CR4: 0000000000350ef0 [ 42.436769] Call Trace: [ 42.437371] [ 42.437989] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.439010] ? __create_object+0x59/0x80 [ 42.439856] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.440894] __vmalloc_noprof+0x59/0x60 [ 42.441724] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.442653] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.443636] bpf_prog_alloc+0x39/0x200 [ 42.444365] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.445349] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.446328] do_seccomp+0x349/0x25e0 [ 42.447110] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.448072] ? __pfx_do_seccomp+0x10/0x10 [ 42.448918] ? find_held_lock+0x2b/0x80 [ 42.449740] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.450756] ? static_key_count+0x60/0x80 [ 42.451618] prctl_set_seccomp+0x4e/0x70 [ 42.452382] __do_sys_prctl+0xe6c/0x1d70 [ 42.453228] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.454179] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.455214] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.456244] ? irqentry_exit+0xf3/0x650 [ 42.457064] do_syscall_64+0xbf/0x430 [ 42.457852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.458856] RIP: 0033:0x7f9cbee055cd [ 42.459604] 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 [ 42.462876] RSP: 002b:00007ffddddcf850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.464301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cbee055cd [ 42.465692] RDX: 00005619a4a75e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.467052] RBP: 00007ffddddcf8b0 R08: 0000000000000000 R09: 00007ffddddcef50 [ 42.468396] R10: 0000000000000000 R11: 0000000000000246 R12: 00005619b5668bf0 [ 42.469777] R13: 00007ffddddcfce0 R14: 00005619b5672380 R15: 00005619b567d460 [ 42.471141] [ 42.471639] irq event stamp: 1831 [ 42.472260] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 42.473870] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 42.475480] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 42.477100] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 42.478696] ---[ end trace 0000000000000000 ]--- [ 43.253335] ------------[ cut here ]------------ [ 43.254277] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.256282] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.257727] Modules linked in: [ 43.258310] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.260295] Tainted: [W]=WARN [ 43.260893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.262366] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.263541] 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 [ 43.266787] RSP: 0018:ffff888015c8fbc0 EFLAGS: 00010286 [ 43.267768] RAX: 0000000000000000 RBX: ffffed1002b91f78 RCX: ffffffff813a4050 [ 43.269050] RDX: ffff88801a308000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.270327] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b91f2f [ 43.271599] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.272880] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c8fdf8 [ 43.274168] FS: 00007ff71d7bc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.275611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.276671] CR2: 00007ffcd6e4aef7 CR3: 0000000020667000 CR4: 0000000000350ef0 [ 43.277948] Call Trace: [ 43.278409] [ 43.278853] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.279747] ? __create_object+0x59/0x80 [ 43.280529] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.281525] __vmalloc_noprof+0x59/0x60 [ 43.282240] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.283108] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.284022] bpf_prog_alloc+0x39/0x200 [ 43.284767] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.285733] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.286640] do_seccomp+0x349/0x25e0 [ 43.287317] ? find_held_lock+0x2b/0x80 [ 43.288088] ? do_prlimit+0x310/0x610 [ 43.288840] ? __pfx_do_seccomp+0x10/0x10 [ 43.289646] ? do_raw_spin_unlock+0x53/0x220 [ 43.290481] ? _raw_spin_unlock+0x1e/0x40 [ 43.291213] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.292184] ? static_key_count+0x60/0x80 [ 43.292995] prctl_set_seccomp+0x4e/0x70 [ 43.293782] __do_sys_prctl+0xe6c/0x1d70 [ 43.294568] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.295387] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.296358] ? irqentry_exit+0xf3/0x650 [ 43.297142] do_syscall_64+0xbf/0x430 [ 43.297893] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.298839] RIP: 0033:0x7ff71dcae5cd [ 43.299547] 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 [ 43.302767] RSP: 002b:00007ffcd6e494b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.304143] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff71dcae5cd [ 43.305422] RDX: 0000564d7621fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.306772] RBP: 00007ffcd6e49510 R08: 0000000000000000 R09: 00007ffcd6e48bb0 [ 43.308061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564da190bad0 [ 43.309354] R13: 00007ffcd6e49940 R14: 0000564da190cbc0 R15: 0000564da191d780 [ 43.310677] [ 43.311108] irq event stamp: 1799 [ 43.311762] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 43.313290] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 43.314826] softirqs last enabled at (1354): [] handle_softirqs+0x50c/0x770 [ 43.316380] softirqs last disabled at (1333): [] __irq_exit_rcu+0xc4/0x100 [ 43.317914] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13636' (ECDSA) to the list of known hosts. 2025/11/19 03:44:25 fuzzer started 2025/11/19 03:44:25 dialing manager at localhost:34383 2025/11/19 03:44:25 checking machine... 2025/11/19 03:44:25 checking revisions... [ 44.310309] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:44:26 testing simple program... [ 44.523093] cgroup: Unknown subsys name 'net' [ 44.601296] cgroup: Unknown subsys name 'cpuset' [ 44.622000] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:44:24 Registers: info registers vcpu 0 RAX=ffff888015e09bc0 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255ed R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff81529327 RFL=00000246 [---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 00007f9cbe913900 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=00007f9cbeeca618 CR3=000000000dd06000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000000b RBX=0000000000000001 RCX=ffffffff869d8192 RDX=0000000000000000 RSI=ffff8880141d75c9 RDI=0000000000000001 RBP=ffff8880141d75e0 RSP=ffff8880141d7518 R8 =ffffffff869d8196 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff8880141d75e8 R13=ffff8880141d75d0 R14=ffff8880141d75c9 R15=ffff8880141d7588 RIP=ffffffff8135e89d RFL=00000246 [---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 00007fa0da32b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe572117b8 CR3=000000000b976000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=23d44b254935789600000000000ae988 XMM05=5862a3a1edc557c40000000000321748 XMM06=797406ec6beb8c4300000000003204e8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000