syzkaller login: [ 39.075427] ------------[ cut here ]------------ [ 39.076365] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.078320] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.079791] Modules linked in: [ 39.080419] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.082388] Tainted: [W]=WARN [ 39.082939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.084415] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.085332] 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 [ 39.088490] RSP: 0018:ffff888019adfbc0 EFLAGS: 00010286 [ 39.089463] RAX: 0000000000000000 RBX: ffffed100335bf78 RCX: ffffffff813a4050 [ 39.090751] RDX: ffff888016001bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.092024] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100335bf2f [ 39.093281] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.094548] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019adfdf8 [ 39.095826] FS: 00007f751a826900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.097238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.098295] CR2: 00007f751ad18580 CR3: 000000000b6a4000 CR4: 0000000000350ef0 [ 39.099569] Call Trace: [ 39.100023] [ 39.100480] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.101367] ? __create_object+0x59/0x80 [ 39.102138] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.103060] __vmalloc_noprof+0x59/0x60 [ 39.103827] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.104693] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.105616] bpf_prog_alloc+0x39/0x200 [ 39.106363] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.107290] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.108189] do_seccomp+0x349/0x25e0 [ 39.108853] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.109740] ? __pfx_do_seccomp+0x10/0x10 [ 39.110537] ? find_held_lock+0x2b/0x80 [ 39.111295] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.112250] ? static_key_count+0x60/0x80 [ 39.112997] prctl_set_seccomp+0x4e/0x70 [ 39.113764] __do_sys_prctl+0xe6c/0x1d70 [ 39.114544] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.115397] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.116343] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.117305] ? irqentry_exit+0xf3/0x650 [ 39.118021] do_syscall_64+0xbf/0x430 [ 39.118762] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.119708] RIP: 0033:0x7f751ad185cd [ 39.120415] 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 [ 39.123579] RSP: 002b:00007ffe01c1b930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.124913] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f751ad185cd [ 39.126177] RDX: 000055b88eff8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.127468] RBP: 00007ffe01c1b990 R08: 0000000000000000 R09: 00007ffe01c1b030 [ 39.128734] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b89699cad0 [ 39.130001] R13: 00007ffe01c1bdc0 R14: 000055b89699dbc0 R15: 000055b8969ae780 [ 39.131319] [ 39.131739] irq event stamp: 1743 [ 39.132387] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 39.133897] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 39.135413] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 39.136939] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 39.138442] ---[ end trace 0000000000000000 ]--- [ 41.963797] ------------[ cut here ]------------ [ 41.964239] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.965170] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.965817] Modules linked in: [ 41.966113] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.967002] Tainted: [W]=WARN [ 41.967307] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.967955] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.968369] 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 [ 41.969805] RSP: 0018:ffff88800d027bc0 EFLAGS: 00010286 [ 41.970250] RAX: 0000000000000000 RBX: ffffed1001a04f78 RCX: ffffffff813a4050 [ 41.970811] RDX: ffff8880178b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.971395] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100d9c4849 [ 41.971958] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.972535] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d027df8 [ 41.973124] FS: 00007fc78533a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.973758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.974245] CR2: 00007fff06882ef7 CR3: 000000000d649000 CR4: 0000000000350ef0 [ 41.974811] Call Trace: [ 41.975022] [ 41.975230] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.975616] ? __create_object+0x59/0x80 [ 41.975951] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.976389] __vmalloc_noprof+0x59/0x60 [ 41.976712] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.977107] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.977509] bpf_prog_alloc+0x39/0x200 [ 41.977822] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.978257] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.978652] do_seccomp+0x349/0x25e0 [ 41.978957] ? find_held_lock+0x2b/0x80 [ 41.979305] ? do_prlimit+0x310/0x610 [ 41.979623] ? __pfx_do_seccomp+0x10/0x10 [ 41.979957] ? do_raw_spin_unlock+0x53/0x220 [ 41.980337] ? _raw_spin_unlock+0x1e/0x40 [ 41.980673] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.981108] ? static_key_count+0x60/0x80 [ 41.981451] prctl_set_seccomp+0x4e/0x70 [ 41.981783] __do_sys_prctl+0xe6c/0x1d70 [ 41.982135] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.982512] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.982929] ? irqentry_exit+0xf3/0x650 [ 41.983280] do_syscall_64+0xbf/0x430 [ 41.983600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.984009] RIP: 0033:0x7fc78582c5cd [ 41.984328] 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 [ 41.985765] RSP: 002b:00007fff06881460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.986392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc78582c5cd [ 41.986956] RDX: 00005655236f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.987539] RBP: 00007fff068814c0 R08: 0000000000000000 R09: 00007fff06880b60 [ 41.988126] R10: 0000000000000000 R11: 0000000000000246 R12: 000056552c385bf0 [ 41.988691] R13: 00007fff068818f0 R14: 000056552c38f380 R15: 000056552c39a460 [ 41.989280] [ 41.989474] irq event stamp: 1675 [ 41.989749] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 41.990444] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 41.991135] softirqs last enabled at (1240): [] handle_softirqs+0x50c/0x770 [ 41.991811] softirqs last disabled at (1227): [] __irq_exit_rcu+0xc4/0x100 [ 41.992498] ---[ end trace 0000000000000000 ]--- [ 42.651557] ------------[ cut here ]------------ [ 42.652502] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.654484] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.656196] Modules linked in: [ 42.656776] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.658823] Tainted: [W]=WARN [ 42.659423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.660882] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.661792] 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 [ 42.664967] RSP: 0018:ffff88801792fbc0 EFLAGS: 00010286 [ 42.665930] RAX: 0000000000000000 RBX: ffffed1002f25f78 RCX: ffffffff813a4050 [ 42.667241] RDX: ffff8880168bd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.668521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f25f2f [ 42.669797] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.671106] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801792fdf8 [ 42.672390] FS: 00007fdf8f64a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.673821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.674887] CR2: 00007fdf8fbb04a6 CR3: 000000002084a000 CR4: 0000000000350ef0 [ 42.676165] Call Trace: [ 42.676627] [ 42.677039] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.677936] ? __create_object+0x59/0x80 [ 42.678722] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.679693] __vmalloc_noprof+0x59/0x60 [ 42.680468] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.681348] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.682288] bpf_prog_alloc+0x39/0x200 [ 42.682977] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.683898] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.684803] do_seccomp+0x349/0x25e0 [ 42.685519] ? find_held_lock+0x2b/0x80 [ 42.686283] ? do_prlimit+0x310/0x610 [ 42.686986] ? __pfx_do_seccomp+0x10/0x10 [ 42.687763] ? do_raw_spin_unlock+0x53/0x220 [ 42.688587] ? _raw_spin_unlock+0x1e/0x40 [ 42.689371] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.690328] ? static_key_count+0x60/0x80 [ 42.691128] prctl_set_seccomp+0x4e/0x70 [ 42.691879] __do_sys_prctl+0xe6c/0x1d70 [ 42.692690] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.693558] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.694538] ? irqentry_exit+0xf3/0x650 [ 42.695311] do_syscall_64+0xbf/0x430 [ 42.696004] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.696975] RIP: 0033:0x7fdf8fb3c5cd [ 42.697680] 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 [ 42.700896] RSP: 002b:00007fffe69241a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.702267] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf8fb3c5cd [ 42.703564] RDX: 000055f1e86aae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.704852] RBP: 00007fffe6924200 R08: 0000000000000000 R09: 00007fffe69238a0 [ 42.706145] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f20f29dad0 [ 42.707430] R13: 00007fffe6924630 R14: 000055f20f29ebc0 R15: 000055f20f2af780 [ 42.708741] [ 42.709223] irq event stamp: 1809 [ 42.709833] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.711356] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.712620] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 42.713904] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 42.715186] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25472' (ECDSA) to the list of known hosts. 2025/11/18 09:50:44 fuzzer started 2025/11/18 09:50:44 dialing manager at localhost:34383 2025/11/18 09:50:44 checking machine... 2025/11/18 09:50:44 checking revisions... [ 43.564676] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:50:44 testing simple program... [ 43.642424] cgroup: Unknown subsys name 'net' [ 43.687955] cgroup: Unknown subsys name 'cpuset' [ 43.701476] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:50:43 Registers: info registers vcpu 0 RAX=00000000c6e5b2a0 RBX=00000000dc4ffd43 RCX=ffff888013085240 RDX=000000000000000c RSI=00000000318f3667 RDI=0000000000000003 RBP=0000000000000001 RSP=ffff888016ea7658 R8 =000000000fdc5271 R9 =ffff88806cafd430 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000002800 R14=ffff888016ea76c0 R15=000000000000000c RIP=ffffffff82642ba6 RFL=00000282 [--S----] 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 00007fc78533a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc785319020 CR3=000000001c144000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000235b1 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd63650968 CR3=000000001c09d000 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=2033343a30353a393020383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033343a30353a3930203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000