syzkaller login: [ 38.987677] ------------[ cut here ]------------ [ 38.988613] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.990604] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.992035] Modules linked in: [ 38.992681] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.994626] Tainted: [W]=WARN [ 38.995168] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.996606] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.997490] 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 [ 39.000620] RSP: 0018:ffff88800f297bc0 EFLAGS: 00010286 [ 39.001579] RAX: 0000000000000000 RBX: ffffed1001e52f78 RCX: ffffffff813a4050 [ 39.002843] RDX: ffff88800f148000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.004093] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e52f2f [ 39.005375] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.006630] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f297df8 [ 39.007896] FS: 00007ff8798d0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.009312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.010377] CR2: 00007ffddc0a4ef7 CR3: 000000000e273000 CR4: 0000000000350ef0 [ 39.011636] Call Trace: [ 39.012086] [ 39.012534] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.013417] ? __create_object+0x59/0x80 [ 39.014147] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.015093] __vmalloc_noprof+0x59/0x60 [ 39.015841] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.016712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.017637] bpf_prog_alloc+0x39/0x200 [ 39.018315] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.019229] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.020119] do_seccomp+0x349/0x25e0 [ 39.020851] ? find_held_lock+0x2b/0x80 [ 39.021592] ? do_prlimit+0x310/0x610 [ 39.022275] ? __pfx_do_seccomp+0x10/0x10 [ 39.023045] ? do_raw_spin_unlock+0x53/0x220 [ 39.023860] ? _raw_spin_unlock+0x1e/0x40 [ 39.024633] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.025584] ? static_key_count+0x60/0x80 [ 39.026330] prctl_set_seccomp+0x4e/0x70 [ 39.027093] __do_sys_prctl+0xe6c/0x1d70 [ 39.027857] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.028712] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.029661] ? irqentry_exit+0xf3/0x650 [ 39.030408] do_syscall_64+0xbf/0x430 [ 39.031092] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.032033] RIP: 0033:0x7ff879dc25cd [ 39.032742] 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 [ 39.035858] RSP: 002b:00007ffddc0a2b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.037209] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff879dc25cd [ 39.038466] RDX: 0000557722c68e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.039734] RBP: 00007ffddc0a2bd0 R08: 0000000000000000 R09: 00007ffddc0a2270 [ 39.041008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557756b82ad0 [ 39.042266] R13: 00007ffddc0a3000 R14: 0000557756b83bc0 R15: 0000557756b94780 [ 39.043549] [ 39.043967] irq event stamp: 1755 [ 39.044616] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 39.046120] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 39.047616] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 39.049147] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 39.050641] ---[ end trace 0000000000000000 ]--- [ 42.542908] ------------[ cut here ]------------ [ 42.543821] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.545881] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.547333] Modules linked in: [ 42.547955] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.550182] Tainted: [W]=WARN [ 42.550856] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.552343] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.553275] 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 [ 42.556472] RSP: 0018:ffff88801a58fbc0 EFLAGS: 00010286 [ 42.557462] RAX: 0000000000000000 RBX: ffffed10034b1f78 RCX: ffffffff813a4050 [ 42.558721] RDX: ffff888015f09bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.560006] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034b1f2f [ 42.561300] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.562589] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a58fdf8 [ 42.563871] FS: 00007fe492747900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.565314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.566389] CR2: 00007ffd05c40ef7 CR3: 000000001f5c3000 CR4: 0000000000350ef0 [ 42.567678] Call Trace: [ 42.568135] [ 42.568585] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.569482] ? __create_object+0x59/0x80 [ 42.570230] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.571189] __vmalloc_noprof+0x59/0x60 [ 42.571932] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.572814] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.573741] bpf_prog_alloc+0x39/0x200 [ 42.574483] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.575402] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.576250] do_seccomp+0x349/0x25e0 [ 42.576973] ? find_held_lock+0x2b/0x80 [ 42.577720] ? do_prlimit+0x310/0x610 [ 42.578456] ? __pfx_do_seccomp+0x10/0x10 [ 42.579197] ? do_raw_spin_unlock+0x53/0x220 [ 42.580032] ? _raw_spin_unlock+0x1e/0x40 [ 42.580823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.581784] ? static_key_count+0x60/0x80 [ 42.582579] prctl_set_seccomp+0x4e/0x70 [ 42.583328] __do_sys_prctl+0xe6c/0x1d70 [ 42.584131] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.585002] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.585974] ? irqentry_exit+0xf3/0x650 [ 42.586746] do_syscall_64+0xbf/0x430 [ 42.587492] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.588456] RIP: 0033:0x7fe492c395cd [ 42.589119] 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 [ 42.592267] RSP: 002b:00007ffd05c3fbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.593622] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe492c395cd [ 42.594905] RDX: 00005567b3f01e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.596181] RBP: 00007ffd05c3fc50 R08: 0000000000000000 R09: 00007ffd05c3f2f0 [ 42.597486] R10: 0000000000000000 R11: 0000000000000246 R12: 00005567c97acad0 [ 42.598760] R13: 00007ffd05c40080 R14: 00005567c97adbc0 R15: 00005567c97be780 [ 42.600051] [ 42.600517] irq event stamp: 1763 [ 42.601115] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 42.602631] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 42.604157] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 42.605712] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 42.607228] ---[ end trace 0000000000000000 ]--- [ 43.385041] ------------[ cut here ]------------ [ 43.385963] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.388017] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.389519] Modules linked in: [ 43.390123] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.392401] Tainted: [W]=WARN [ 43.392987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.394522] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.395442] 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 [ 43.398694] RSP: 0018:ffff888009fd7bc0 EFLAGS: 00010286 [ 43.399687] RAX: 0000000000000000 RBX: ffffed10013faf78 RCX: ffffffff813a4050 [ 43.400997] RDX: ffff88801882b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.402293] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013faf2f [ 43.403633] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.404938] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009fd7df8 [ 43.406239] FS: 00007f0b3bb85900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.407700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.408788] CR2: 00007f0b3c077580 CR3: 000000000c49a000 CR4: 0000000000350ef0 [ 43.410087] Call Trace: [ 43.410597] [ 43.411016] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.411932] ? __create_object+0x59/0x80 [ 43.412731] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.413726] __vmalloc_noprof+0x59/0x60 [ 43.414505] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.415388] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.416283] bpf_prog_alloc+0x39/0x200 [ 43.417069] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.418009] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.418915] do_seccomp+0x349/0x25e0 [ 43.419649] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.420598] ? __pfx_do_seccomp+0x10/0x10 [ 43.421408] ? find_held_lock+0x2b/0x80 [ 43.422133] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.423117] ? static_key_count+0x60/0x80 [ 43.423922] prctl_set_seccomp+0x4e/0x70 [ 43.424732] __do_sys_prctl+0xe6c/0x1d70 [ 43.425534] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.426405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.427388] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.428324] ? irqentry_exit+0xf3/0x650 [ 43.429138] do_syscall_64+0xbf/0x430 [ 43.429881] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.430844] RIP: 0033:0x7f0b3c0775cd [ 43.431556] 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 [ 43.434785] RSP: 002b:00007ffd9725ff90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.436163] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b3c0775cd [ 43.437484] RDX: 0000564782c1fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.438785] RBP: 00007ffd9725fff0 R08: 0000000000000000 R09: 00007ffd9725f690 [ 43.440072] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647abe96ad0 [ 43.441385] R13: 00007ffd97260420 R14: 00005647abe97bc0 R15: 00005647abea8780 [ 43.442711] [ 43.443148] irq event stamp: 1845 [ 43.443799] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 43.445380] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 43.446910] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 43.448481] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 43.449998] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28127' (ECDSA) to the list of known hosts. 2025/11/17 09:45:19 fuzzer started 2025/11/17 09:45:19 dialing manager at localhost:37895 2025/11/17 09:45:19 checking machine... 2025/11/17 09:45:19 checking revisions... [ 44.340105] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:45:19 testing simple program... [ 44.418530] cgroup: Unknown subsys name 'net' [ 44.483075] cgroup: Unknown subsys name 'cpuset' [ 44.502163] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:45:18 Registers: info registers vcpu 0 RAX=00000000e2e6e2e4 RBX=00000000ff24dd59 RCX=ffff888009444c50 RDX=000000000000000a RSI=00000000d03d5614 RDI=0000000000000002 RBP=0000000000000000 RSP=ffff88806ce08b20 R8 =00000000d2dc3ec4 R9 =ffff88806bfdd590 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=ffff88806ce08b88 R15=000000000000000a RIP=ffffffff82642486 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 00007fe492747900 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=00007ffd05c39000 CR3=000000001f69b000 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=00000000000283cb 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 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff4ee9ca000 CR3=000000000d901000 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=76b968ac3b649999db44f8caa2e6357a XMM02=0000000000303048ec2efd57dc4c00df XMM03=000000000030f2a89eba8fcc39c17414 XMM04=b5024ec12deb373700000000000ae988 XMM05=07c8bb74b6c04a44000000000031fd00 XMM06=d74844bf967d85ba000000000031fb88 XMM07=e042d86d42eb936e000000000030f580 XMM08=9eba8fcc39c1741400000000003030a8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000