syzkaller login: [ 54.050374] ------------[ cut here ]------------ [ 54.051319] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.053265] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 54.054762] Modules linked in: [ 54.055425] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 54.057400] Tainted: [W]=WARN [ 54.057960] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.059417] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.060336] 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 [ 54.063476] RSP: 0018:ffff88801431fbc0 EFLAGS: 00010286 [ 54.064444] RAX: 0000000000000000 RBX: ffffed1002863f78 RCX: ffffffff813a4050 [ 54.065714] RDX: ffff888017ac0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.067001] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002863f2f [ 54.068273] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.069545] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801431fdf8 [ 54.070829] FS: 00007f3e968c7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.072265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.073320] CR2: 00007f3e96e2d4a6 CR3: 000000000e1ac000 CR4: 0000000000350ef0 [ 54.074607] Call Trace: [ 54.075069] [ 54.075521] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.076403] ? __create_object+0x59/0x80 [ 54.077178] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.078142] __vmalloc_noprof+0x59/0x60 [ 54.078847] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.079708] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.080615] bpf_prog_alloc+0x39/0x200 [ 54.081353] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.082285] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.083173] do_seccomp+0x349/0x25e0 [ 54.083830] ? find_held_lock+0x2b/0x80 [ 54.084576] ? do_prlimit+0x310/0x610 [ 54.085300] ? __pfx_do_seccomp+0x10/0x10 [ 54.086058] ? do_raw_spin_unlock+0x53/0x220 [ 54.086887] ? _raw_spin_unlock+0x1e/0x40 [ 54.087662] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.088623] ? static_key_count+0x60/0x80 [ 54.089413] prctl_set_seccomp+0x4e/0x70 [ 54.090190] __do_sys_prctl+0xe6c/0x1d70 [ 54.090916] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.091768] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.092712] ? irqentry_exit+0xf3/0x650 [ 54.093462] do_syscall_64+0xbf/0x430 [ 54.094219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.095154] RIP: 0033:0x7f3e96db95cd [ 54.095801] 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 [ 54.098911] RSP: 002b:00007ffd89d280a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.100265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e96db95cd [ 54.101535] RDX: 000055d0045b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.102818] RBP: 00007ffd89d28100 R08: 0000000000000000 R09: 00007ffd89d277a0 [ 54.104113] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d012fbfad0 [ 54.105385] R13: 00007ffd89d28530 R14: 000055d012fc0bc0 R15: 000055d012fd1780 [ 54.106694] [ 54.107148] irq event stamp: 1761 [ 54.107748] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 54.109254] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 54.110765] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 54.112283] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 54.113783] ---[ end trace 0000000000000000 ]--- [ 56.817861] ------------[ cut here ]------------ [ 56.818794] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 56.820779] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 56.822209] Modules linked in: [ 56.822790] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 56.824990] Tainted: [W]=WARN [ 56.825658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.827139] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 56.827998] 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 [ 56.831122] RSP: 0018:ffff8880170bfbc0 EFLAGS: 00010286 [ 56.832030] RAX: 0000000000000000 RBX: ffffed1002e17f78 RCX: ffffffff813a4050 [ 56.833289] RDX: ffff88801aa73780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 56.834557] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e17f2f [ 56.835810] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 56.837061] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170bfdf8 [ 56.838369] FS: 00007f4f2edc3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 56.839783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.840827] CR2: 00007f4f2f2b5580 CR3: 0000000020236000 CR4: 0000000000350ef0 [ 56.842121] Call Trace: [ 56.842590] [ 56.842990] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 56.843881] ? __create_object+0x59/0x80 [ 56.844650] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 56.845612] __vmalloc_noprof+0x59/0x60 [ 56.846379] bpf_prog_alloc_no_stats+0x55/0x470 [ 56.847228] ? __pfx_seccomp_check_filter+0x10/0x10 [ 56.848147] bpf_prog_alloc+0x39/0x200 [ 56.848822] ? __pfx_seccomp_check_filter+0x10/0x10 [ 56.849733] bpf_prog_create_from_user+0xb2/0x2f0 [ 56.850647] do_seccomp+0x349/0x25e0 [ 56.851368] ? __pfx_css_rstat_updated+0x10/0x10 [ 56.852246] ? __pfx_do_seccomp+0x10/0x10 [ 56.853020] ? find_held_lock+0x2b/0x80 [ 56.853781] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 56.854746] ? static_key_count+0x60/0x80 [ 56.855527] prctl_set_seccomp+0x4e/0x70 [ 56.856289] __do_sys_prctl+0xe6c/0x1d70 [ 56.857021] ? __pfx___do_sys_prctl+0x10/0x10 [ 56.857861] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 56.858828] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 56.859782] ? irqentry_exit+0xf3/0x650 [ 56.860526] do_syscall_64+0xbf/0x430 [ 56.861256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.862194] RIP: 0033:0x7f4f2f2b55cd [ 56.862853] 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 [ 56.866002] RSP: 002b:00007ffdfd309e70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 56.867350] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f2f2b55cd [ 56.868611] RDX: 00005557ec690e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 56.869864] RBP: 00007ffdfd309ed0 R08: 0000000000000000 R09: 00007ffdfd309570 [ 56.871103] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557f6714ad0 [ 56.872155] R13: 00007ffdfd30a300 R14: 00005557f6715bc0 R15: 00005557f6726780 [ 56.873216] [ 56.873564] irq event stamp: 1813 [ 56.874070] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 56.875344] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 56.876593] softirqs last enabled at (1352): [] handle_softirqs+0x50c/0x770 [ 56.877857] softirqs last disabled at (1331): [] __irq_exit_rcu+0xc4/0x100 [ 56.879143] ---[ end trace 0000000000000000 ]--- [ 57.584640] ------------[ cut here ]------------ [ 57.585597] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.587623] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 57.589056] Modules linked in: [ 57.589671] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 57.591639] Tainted: [W]=WARN [ 57.592233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.593682] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.594727] 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 [ 57.597372] RSP: 0018:ffff88800f14fbc0 EFLAGS: 00010286 [ 57.598233] RAX: 0000000000000000 RBX: ffffed1001e29f78 RCX: ffffffff813a4050 [ 57.599293] RDX: ffff888015eb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.600358] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e29f2f [ 57.601416] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.602487] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f14fdf8 [ 57.603540] FS: 00007f0eb8219900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.604724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.605599] CR2: 00007ffc15061ef8 CR3: 000000000cdbe000 CR4: 0000000000350ef0 [ 57.606662] Call Trace: [ 57.607048] [ 57.607427] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.608188] ? __create_object+0x59/0x80 [ 57.608789] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.609586] __vmalloc_noprof+0x59/0x60 [ 57.610224] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.610903] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.611666] bpf_prog_alloc+0x39/0x200 [ 57.612276] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.612998] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.613738] do_seccomp+0x349/0x25e0 [ 57.614330] ? find_held_lock+0x2b/0x80 [ 57.614912] ? do_prlimit+0x310/0x610 [ 57.615524] ? __pfx_do_seccomp+0x10/0x10 [ 57.616170] ? do_raw_spin_unlock+0x53/0x220 [ 57.616813] ? _raw_spin_unlock+0x1e/0x40 [ 57.617453] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.618263] ? static_key_count+0x60/0x80 [ 57.618887] prctl_set_seccomp+0x4e/0x70 [ 57.619529] __do_sys_prctl+0xe6c/0x1d70 [ 57.620189] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.620867] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.621670] ? irqentry_exit+0xf3/0x650 [ 57.622309] do_syscall_64+0xbf/0x430 [ 57.622882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.623665] RIP: 0033:0x7f0eb870b5cd [ 57.624244] 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 [ 57.626871] RSP: 002b:00007ffc15060120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.627995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0eb870b5cd [ 57.629052] RDX: 000055b844b29e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.630124] RBP: 00007ffc15060180 R08: 0000000000000000 R09: 00007ffc1505f820 [ 57.631193] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b882f91ad0 [ 57.632247] R13: 00007ffc150605b0 R14: 000055b882f92bc0 R15: 000055b882fa3780 [ 57.633332] [ 57.633684] irq event stamp: 1721 [ 57.634236] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 57.635504] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 57.636765] softirqs last enabled at (1234): [] handle_softirqs+0x50c/0x770 [ 57.638043] softirqs last disabled at (1225): [] __irq_exit_rcu+0xc4/0x100 [ 57.639320] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62679' (ECDSA) to the list of known hosts. 2025/11/19 05:59:40 fuzzer started 2025/11/19 05:59:41 dialing manager at localhost:34383 2025/11/19 05:59:41 checking machine... 2025/11/19 05:59:41 checking revisions... [ 58.449209] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:59:41 testing simple program... [ 58.527758] cgroup: Unknown subsys name 'net' [ 58.619805] cgroup: Unknown subsys name 'cpuset' [ 58.662943] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:59:40 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff86ab8454 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff888015db75e0 RSP=ffff888015db7518 R8 =ffffffff86ab8458 R9 =ffff888015db75c8 R10=000000000003c9ed R11=00000000000255cb R12=ffff888015db75e8 R13=ffff888015db75d0 R14=ffff888015db78d8 R15=ffff888015db7588 RIP=ffffffff8135f0dc RFL=00000297 [--S-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 00007f4f2edc3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4f2eda2020 CR3=000000000d3d6000 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=1ffffffff0cd57ca RBX=ffffffff866abe54 RCX=ffffffff81360ed1 RDX=0000000000000000 RSI=ffffffff86a01694 RDI=ffffffff866abe54 RBP=ffffffff866abe54 RSP=ffff88801775f638 R8 =ffffffff86a01694 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000006e2e R12=ffffffff866abe54 R13=ffffffff866abe54 R14=ffffffff866abe54 R15=dffffc0000000000 RIP=ffffffff8135daaf 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 00007f4dfc37f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f76ca115000 CR3=000000000e26f000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000