syzkaller login: [ 46.585720] ------------[ cut here ]------------ [ 46.586632] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.588617] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.590080] Modules linked in: [ 46.590926] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.593381] Tainted: [W]=WARN [ 46.593976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.595427] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.596323] 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 [ 46.599457] RSP: 0018:ffff88801b1a7bc0 EFLAGS: 00010286 [ 46.600417] RAX: 0000000000000000 RBX: ffffed1003634f78 RCX: ffffffff813a4050 [ 46.601696] RDX: ffff8880157d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.602961] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003634f2f [ 46.604230] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.605506] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b1a7df8 [ 46.606781] FS: 00007f76e09e0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.608419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.609515] CR2: 00007ffe93714ef7 CR3: 000000000df21000 CR4: 0000000000350ef0 [ 46.610765] Call Trace: [ 46.611222] [ 46.611682] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.612556] ? __create_object+0x59/0x80 [ 46.613332] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.614297] __vmalloc_noprof+0x59/0x60 [ 46.615042] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.615910] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.616830] bpf_prog_alloc+0x39/0x200 [ 46.617585] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.618458] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.619370] do_seccomp+0x349/0x25e0 [ 46.620067] ? find_held_lock+0x2b/0x80 [ 46.620820] ? do_prlimit+0x310/0x610 [ 46.621576] ? __pfx_do_seccomp+0x10/0x10 [ 46.622326] ? do_raw_spin_unlock+0x53/0x220 [ 46.623156] ? _raw_spin_unlock+0x1e/0x40 [ 46.623917] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.624873] ? static_key_count+0x60/0x80 [ 46.625683] prctl_set_seccomp+0x4e/0x70 [ 46.626391] __do_sys_prctl+0xe6c/0x1d70 [ 46.627150] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.627984] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.628922] ? irqentry_exit+0xf3/0x650 [ 46.629674] do_syscall_64+0xbf/0x430 [ 46.630353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.631271] RIP: 0033:0x7f76e0ed25cd [ 46.631963] 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 [ 46.635044] RSP: 002b:00007ffe93713610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.636360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76e0ed25cd [ 46.637626] RDX: 000055556ca73e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.638860] RBP: 00007ffe93713670 R08: 0000000000000000 R09: 00007ffe93712d10 [ 46.640095] R10: 0000000000000000 R11: 0000000000000246 R12: 000055559fa16ad0 [ 46.641348] R13: 00007ffe93713aa0 R14: 000055559fa17bc0 R15: 000055559fa28780 [ 46.642604] [ 46.643016] irq event stamp: 1905 [ 46.643645] hardirqs last enabled at (1915): [] __up_console_sem+0x78/0x80 [ 46.645133] hardirqs last disabled at (1924): [] __up_console_sem+0x5d/0x80 [ 46.646605] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 46.648094] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 46.649576] ---[ end trace 0000000000000000 ]--- [ 50.133766] ------------[ cut here ]------------ [ 50.134735] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.136724] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 50.138182] Modules linked in: [ 50.138823] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.140805] Tainted: [W]=WARN [ 50.141367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.142830] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.143728] 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 [ 50.146904] RSP: 0018:ffff888016d2fbc0 EFLAGS: 00010286 [ 50.147893] RAX: 0000000000000000 RBX: ffffed1002da5f78 RCX: ffffffff813a4050 [ 50.149203] RDX: ffff8880199a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.150489] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da5f2f [ 50.151774] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.153066] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d2fdf8 [ 50.154355] FS: 00007f99cdc7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.155782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.156848] CR2: 00007ffc5fa85ef7 CR3: 000000000c846000 CR4: 0000000000350ef0 [ 50.158127] Call Trace: [ 50.158648] [ 50.159064] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.159956] ? __create_object+0x59/0x80 [ 50.160731] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.161720] __vmalloc_noprof+0x59/0x60 [ 50.162426] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.163296] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.164231] bpf_prog_alloc+0x39/0x200 [ 50.164962] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.165913] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.166825] do_seccomp+0x349/0x25e0 [ 50.167550] ? find_held_lock+0x2b/0x80 [ 50.168275] ? do_prlimit+0x310/0x610 [ 50.169016] ? __pfx_do_seccomp+0x10/0x10 [ 50.169824] ? do_raw_spin_unlock+0x53/0x220 [ 50.170666] ? _raw_spin_unlock+0x1e/0x40 [ 50.171394] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.172355] ? static_key_count+0x60/0x80 [ 50.173172] prctl_set_seccomp+0x4e/0x70 [ 50.173955] __do_sys_prctl+0xe6c/0x1d70 [ 50.174747] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.175610] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.176595] ? irqentry_exit+0xf3/0x650 [ 50.177322] do_syscall_64+0xbf/0x430 [ 50.178065] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.179014] RIP: 0033:0x7f99ce16f5cd [ 50.179710] 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 [ 50.182923] RSP: 002b:00007ffc5fa84770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.184265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99ce16f5cd [ 50.185600] RDX: 000055f1632c4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.186696] RBP: 00007ffc5fa847d0 R08: 0000000000000000 R09: 00007ffc5fa83e70 [ 50.187765] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f16bbf9ad0 [ 50.188827] R13: 00007ffc5fa84c00 R14: 000055f16bbfabc0 R15: 000055f16bc0b780 [ 50.189914] [ 50.190263] irq event stamp: 1735 [ 50.190801] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 50.192150] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 50.193424] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 50.194699] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 50.195957] ---[ end trace 0000000000000000 ]--- [ 51.008896] ------------[ cut here ]------------ [ 51.009869] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.011849] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 51.013327] Modules linked in: [ 51.013960] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.015993] Tainted: [W]=WARN [ 51.016595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.018092] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.019019] 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 [ 51.022199] RSP: 0018:ffff8880171bfbc0 EFLAGS: 00010286 [ 51.023176] RAX: 0000000000000000 RBX: ffffed1002e37f78 RCX: ffffffff813a4050 [ 51.024468] RDX: ffff888016b13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.025820] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e37f2f [ 51.027100] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.028389] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171bfdf8 [ 51.029693] FS: 00007fa3ceff5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.031128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.032188] CR2: 00007fa3cf4e7580 CR3: 000000000d448000 CR4: 0000000000350ef0 [ 51.033512] Call Trace: [ 51.033983] [ 51.034392] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.035295] ? __create_object+0x59/0x80 [ 51.036059] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.037029] __vmalloc_noprof+0x59/0x60 [ 51.037810] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.038689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.039620] bpf_prog_alloc+0x39/0x200 [ 51.040327] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.041272] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.042179] do_seccomp+0x349/0x25e0 [ 51.042902] ? __pfx_css_rstat_updated+0x10/0x10 [ 51.043800] ? __pfx_do_seccomp+0x10/0x10 [ 51.044587] ? find_held_lock+0x2b/0x80 [ 51.045315] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.046273] ? static_key_count+0x60/0x80 [ 51.047092] prctl_set_seccomp+0x4e/0x70 [ 51.047868] __do_sys_prctl+0xe6c/0x1d70 [ 51.048662] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.049482] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.050455] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.051459] ? irqentry_exit+0xf3/0x650 [ 51.052239] do_syscall_64+0xbf/0x430 [ 51.052974] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.053939] RIP: 0033:0x7fa3cf4e75cd [ 51.054646] 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 [ 51.057834] RSP: 002b:00007ffebc08e1f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.059218] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3cf4e75cd [ 51.060519] RDX: 000055d5a99bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.061830] RBP: 00007ffebc08e250 R08: 0000000000000000 R09: 00007ffebc08d8f0 [ 51.063127] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d5c42ddad0 [ 51.064400] R13: 00007ffebc08e680 R14: 000055d5c42debc0 R15: 000055d5c42ef780 [ 51.065711] [ 51.066135] irq event stamp: 1755 [ 51.066784] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 51.068315] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 51.069860] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 51.071411] softirqs last disabled at (1617): [] __irq_exit_rcu+0xc4/0x100 [ 51.072931] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14189' (ECDSA) to the list of known hosts. 2025/11/18 18:08:44 fuzzer started 2025/11/18 18:08:45 dialing manager at localhost:34383 2025/11/18 18:08:45 checking machine... 2025/11/18 18:08:45 checking revisions... [ 51.969847] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:08:45 testing simple program... [ 52.066664] cgroup: Unknown subsys name 'net' [ 52.138408] cgroup: Unknown subsys name 'cpuset' [ 52.163341] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:08:44 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff83c74316 RDX=000000000002c743 RSI=000000000002c743 RDI=ffffffff86f75864 RBP=ffff888019aefab8 RSP=ffff888019aef9f0 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff888019aefac0 R13=ffff888019aefaa8 R14=ffff888019aefaa1 R15=ffff888019aefa60 RIP=ffffffff8135e5e2 RFL=00000217 [----APC] 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 00007f99cdc7d900 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=00007f99ce2350b0 CR3=0000000020cd2000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000281a5 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=00000206 [-----P-] 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd7ac4a7e8 CR3=000000000bf16000 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=2034343a38303a383120383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033343a38303a3831203831 XMM08=74696c6962617061633d7373616c6374 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000