syzkaller login: [ 39.171979] ------------[ cut here ]------------ [ 39.172926] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.174915] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.176366] Modules linked in: [ 39.177013] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.179055] Tainted: [W]=WARN [ 39.179673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.181172] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.182095] 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 [ 39.185283] RSP: 0018:ffff888017a1fbc0 EFLAGS: 00010286 [ 39.186268] RAX: 0000000000000000 RBX: ffffed1002f43f78 RCX: ffffffff813a4050 [ 39.187562] RDX: ffff888019ec0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.188864] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f43f2f [ 39.190148] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.191439] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a1fdf8 [ 39.192740] FS: 00007f1959b59900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.194196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.195277] CR2: 00007f195a0bf4a6 CR3: 00000000179e5000 CR4: 0000000000350ef0 [ 39.196596] Call Trace: [ 39.197061] [ 39.197526] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.198437] ? __create_object+0x59/0x80 [ 39.199192] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.200160] __vmalloc_noprof+0x59/0x60 [ 39.200936] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.201828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.202783] bpf_prog_alloc+0x39/0x200 [ 39.203531] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.204523] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.205456] do_seccomp+0x349/0x25e0 [ 39.206139] ? find_held_lock+0x2b/0x80 [ 39.206900] ? do_prlimit+0x310/0x610 [ 39.207641] ? __pfx_do_seccomp+0x10/0x10 [ 39.208459] ? do_raw_spin_unlock+0x53/0x220 [ 39.209268] ? _raw_spin_unlock+0x1e/0x40 [ 39.210056] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.211014] ? static_key_count+0x60/0x80 [ 39.211832] prctl_set_seccomp+0x4e/0x70 [ 39.212614] __do_sys_prctl+0xe6c/0x1d70 [ 39.213354] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.214220] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.215200] ? irqentry_exit+0xf3/0x650 [ 39.215959] do_syscall_64+0xbf/0x430 [ 39.216714] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.217698] RIP: 0033:0x7f195a04b5cd [ 39.218354] 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 [ 39.221592] RSP: 002b:00007fffa51a3050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.222973] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f195a04b5cd [ 39.224277] RDX: 000055579a0c9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.225589] RBP: 00007fffa51a30b0 R08: 0000000000000000 R09: 00007fffa51a2750 [ 39.226886] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557d78c2ad0 [ 39.228175] R13: 00007fffa51a34e0 R14: 00005557d78c3bc0 R15: 00005557d78d4780 [ 39.229489] [ 39.229919] irq event stamp: 1723 [ 39.230578] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 39.232126] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 39.233673] softirqs last enabled at (1442): [] handle_softirqs+0x50c/0x770 [ 39.235247] softirqs last disabled at (1433): [] __irq_exit_rcu+0xc4/0x100 [ 39.236814] ---[ end trace 0000000000000000 ]--- [ 42.541852] ------------[ cut here ]------------ [ 42.542817] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.544823] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.546345] Modules linked in: [ 42.547015] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.549017] Tainted: [W]=WARN [ 42.549645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.551133] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.552069] 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 [ 42.555244] RSP: 0018:ffff88801886fbc0 EFLAGS: 00010286 [ 42.556242] RAX: 0000000000000000 RBX: ffffed100310df78 RCX: ffffffff813a4050 [ 42.557545] RDX: ffff8880172dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.558853] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100310df2f [ 42.560148] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.561455] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801886fdf8 [ 42.562766] FS: 00007fb3cd9ad900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.564225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.565314] CR2: 00007ffdb79ceef7 CR3: 000000000df60000 CR4: 0000000000350ef0 [ 42.566626] Call Trace: [ 42.567100] [ 42.567576] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.568514] ? __create_object+0x59/0x80 [ 42.569267] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.570243] __vmalloc_noprof+0x59/0x60 [ 42.571035] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.571924] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.572885] bpf_prog_alloc+0x39/0x200 [ 42.573638] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.574586] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.575516] do_seccomp+0x349/0x25e0 [ 42.576210] ? find_held_lock+0x2b/0x80 [ 42.577004] ? do_prlimit+0x310/0x610 [ 42.577783] ? __pfx_do_seccomp+0x10/0x10 [ 42.578595] ? do_raw_spin_unlock+0x53/0x220 [ 42.579454] ? _raw_spin_unlock+0x1e/0x40 [ 42.580198] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.581202] ? static_key_count+0x60/0x80 [ 42.582022] prctl_set_seccomp+0x4e/0x70 [ 42.582830] __do_sys_prctl+0xe6c/0x1d70 [ 42.583632] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.584495] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.585479] ? irqentry_exit+0xf3/0x650 [ 42.586211] do_syscall_64+0xbf/0x430 [ 42.587073] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.588279] RIP: 0033:0x7fb3cde9f5cd [ 42.589185] 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 [ 42.592882] RSP: 002b:00007ffdb79cc740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.594253] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3cde9f5cd [ 42.595533] RDX: 000056367b4c7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.596873] RBP: 00007ffdb79cc7a0 R08: 0000000000000000 R09: 00007ffdb79cbe40 [ 42.598156] R10: 0000000000000000 R11: 0000000000000246 R12: 000056369a2d9ad0 [ 42.599451] R13: 00007ffdb79ccbd0 R14: 000056369a2dabc0 R15: 000056369a2eb780 [ 42.600802] [ 42.601223] irq event stamp: 1793 [ 42.601895] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 42.603428] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 42.605004] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 42.606567] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 42.608127] ---[ end trace 0000000000000000 ]--- [ 43.441316] ------------[ cut here ]------------ [ 43.442240] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.444311] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.445913] Modules linked in: [ 43.446630] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.448646] Tainted: [W]=WARN [ 43.449191] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.450705] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.451641] 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 [ 43.454844] RSP: 0018:ffff888019f67bc0 EFLAGS: 00010286 [ 43.455849] RAX: 0000000000000000 RBX: ffffed10033ecf78 RCX: ffffffff813a4050 [ 43.457177] RDX: ffff888018a89bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.458533] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033ecf2f [ 43.459838] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.461156] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f67df8 [ 43.462482] FS: 00007fe1528da900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.463931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.465036] CR2: 00007ffd15950ef7 CR3: 000000000d3f3000 CR4: 0000000000350ef0 [ 43.466368] Call Trace: [ 43.466857] [ 43.467278] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.468186] ? __create_object+0x59/0x80 [ 43.468996] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.469999] __vmalloc_noprof+0x59/0x60 [ 43.470789] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.471685] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.472655] bpf_prog_alloc+0x39/0x200 [ 43.473373] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.474319] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.475236] do_seccomp+0x349/0x25e0 [ 43.475960] ? find_held_lock+0x2b/0x80 [ 43.476757] ? do_prlimit+0x310/0x610 [ 43.477543] ? __pfx_do_seccomp+0x10/0x10 [ 43.478295] ? do_raw_spin_unlock+0x53/0x220 [ 43.479119] ? _raw_spin_unlock+0x1e/0x40 [ 43.479925] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.480992] ? static_key_count+0x60/0x80 [ 43.481880] prctl_set_seccomp+0x4e/0x70 [ 43.482681] __do_sys_prctl+0xe6c/0x1d70 [ 43.483478] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.484293] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.485324] ? irqentry_exit+0xf3/0x650 [ 43.486127] do_syscall_64+0xbf/0x430 [ 43.486874] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.487839] RIP: 0033:0x7fe152dcc5cd [ 43.488574] 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 [ 43.491815] RSP: 002b:00007ffd1594f5c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.493220] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe152dcc5cd [ 43.494509] RDX: 00005597963fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.495852] RBP: 00007ffd1594f620 R08: 0000000000000000 R09: 00007ffd1594ecc0 [ 43.497149] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597a94d72b0 [ 43.498463] R13: 00007ffd1594fa50 R14: 00005597a94d9d20 R15: 00005597a94eb8d0 [ 43.499781] [ 43.500207] irq event stamp: 1751 [ 43.500936] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 43.502476] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.504021] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 43.505621] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 43.507148] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36009' (ECDSA) to the list of known hosts. 2025/11/19 02:46:14 fuzzer started 2025/11/19 02:46:14 dialing manager at localhost:34383 2025/11/19 02:46:14 checking machine... 2025/11/19 02:46:14 checking revisions... [ 44.397367] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:46:14 testing simple program... [ 44.469025] cgroup: Unknown subsys name 'net' [ 44.524861] cgroup: Unknown subsys name 'cpuset' [ 44.541948] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:46:13 Registers: info registers vcpu 0 RAX=ffffffff81679d40 RBX=ffff88806ce08c90 RCX=ffffffff81673b33 RDX=ffff88806ce08c90 RSI=ffffffff81679d55 RDI=ffff88800957bb00 RBP=dffffc0000000000 RSP=ffff88806ce08bd0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800957bb00 R13=ffff88806ce08c90 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81751e08 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdb79c6000 CR3=000000000deb5000 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=0000000000027451 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=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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbcd0c0e000 CR3=000000000dd68000 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=2033313a36343a323020393120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033313a36343a3230203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000