syzkaller login: [ 46.275810] ------------[ cut here ]------------ [ 46.276862] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.279174] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 46.280848] Modules linked in: [ 46.281593] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.283879] Tainted: [W]=WARN [ 46.284576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.286293] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.287348] 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 [ 46.291021] RSP: 0018:ffff888017a07bc0 EFLAGS: 00010286 [ 46.292151] RAX: 0000000000000000 RBX: ffffed1002f40f78 RCX: ffffffff813a4050 [ 46.293644] RDX: ffff888015e10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.295151] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f40f2f [ 46.296631] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.298119] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a07df8 [ 46.299598] FS: 00007fc59baa0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.301357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.302428] CR2: 00007ffcde1d8ef7 CR3: 000000000d96d000 CR4: 0000000000350ef0 [ 46.303761] Call Trace: [ 46.304269] [ 46.304673] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.305579] ? __create_object+0x59/0x80 [ 46.306352] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.307319] __vmalloc_noprof+0x59/0x60 [ 46.308070] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.308883] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.309811] bpf_prog_alloc+0x39/0x200 [ 46.310542] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.311453] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.312338] do_seccomp+0x349/0x25e0 [ 46.313043] ? find_held_lock+0x2b/0x80 [ 46.313755] ? do_prlimit+0x310/0x610 [ 46.314493] ? __pfx_do_seccomp+0x10/0x10 [ 46.315262] ? do_raw_spin_unlock+0x53/0x220 [ 46.316088] ? _raw_spin_unlock+0x1e/0x40 [ 46.316820] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.317780] ? static_key_count+0x60/0x80 [ 46.318559] prctl_set_seccomp+0x4e/0x70 [ 46.319317] __do_sys_prctl+0xe6c/0x1d70 [ 46.320099] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.320896] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.321867] ? irqentry_exit+0xf3/0x650 [ 46.322629] do_syscall_64+0xbf/0x430 [ 46.323367] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.324301] RIP: 0033:0x7fc59bf925cd [ 46.325006] 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 [ 46.328111] RSP: 002b:00007ffcde1d6d40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.329463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc59bf925cd [ 46.330717] RDX: 0000558b4ab9ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.331986] RBP: 00007ffcde1d6da0 R08: 0000000000000000 R09: 00007ffcde1d6440 [ 46.333254] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558b8655eb10 [ 46.334516] R13: 00007ffcde1d71d0 R14: 0000558b8655f2b0 R15: 0000558b865736f0 [ 46.335796] [ 46.336260] irq event stamp: 1731 [ 46.336853] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 46.338364] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 46.339863] softirqs last enabled at (1622): [] handle_softirqs+0x50c/0x770 [ 46.341385] softirqs last disabled at (1617): [] __irq_exit_rcu+0xc4/0x100 [ 46.342874] ---[ end trace 0000000000000000 ]--- [ 49.795921] ------------[ cut here ]------------ [ 49.796854] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.798816] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 49.800280] Modules linked in: [ 49.800860] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.802811] Tainted: [W]=WARN [ 49.803406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.804848] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.805755] 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 [ 49.808881] RSP: 0018:ffff888016b17bc0 EFLAGS: 00010286 [ 49.809856] RAX: 0000000000000000 RBX: ffffed1002d62f78 RCX: ffffffff813a4050 [ 49.811130] RDX: ffff888018689bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.812398] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d62f2f [ 49.813680] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.814951] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b17df8 [ 49.816216] FS: 00007f9390237900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.817649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.818694] CR2: 00007f939079d4a6 CR3: 0000000009daf000 CR4: 0000000000350ef0 [ 49.819964] Call Trace: [ 49.820420] [ 49.820828] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.821724] ? __create_object+0x59/0x80 [ 49.822497] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.823460] __vmalloc_noprof+0x59/0x60 [ 49.824205] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.825060] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.826002] bpf_prog_alloc+0x39/0x200 [ 49.826691] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.827610] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.828509] do_seccomp+0x349/0x25e0 [ 49.829219] ? find_held_lock+0x2b/0x80 [ 49.829918] ? do_prlimit+0x310/0x610 [ 49.830658] ? __pfx_do_seccomp+0x10/0x10 [ 49.831436] ? do_raw_spin_unlock+0x53/0x220 [ 49.832256] ? _raw_spin_unlock+0x1e/0x40 [ 49.833033] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.833989] ? static_key_count+0x60/0x80 [ 49.834728] prctl_set_seccomp+0x4e/0x70 [ 49.835488] __do_sys_prctl+0xe6c/0x1d70 [ 49.836254] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.837106] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.838077] ? irqentry_exit+0xf3/0x650 [ 49.838788] do_syscall_64+0xbf/0x430 [ 49.839524] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.840462] RIP: 0033:0x7f93907295cd [ 49.841156] 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 [ 49.844305] RSP: 002b:00007fff983d31f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.845665] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93907295cd [ 49.846972] RDX: 00005613725c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.848261] RBP: 00007fff983d3250 R08: 0000000000000000 R09: 00007fff983d28f0 [ 49.849551] R10: 0000000000000000 R11: 0000000000000246 R12: 000056139bf03ad0 [ 49.850838] R13: 00007fff983d3680 R14: 000056139bf04bc0 R15: 000056139bf15780 [ 49.852119] [ 49.852536] irq event stamp: 1731 [ 49.853199] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 49.854707] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 49.856208] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 49.857748] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 49.859265] ---[ end trace 0000000000000000 ]--- [ 50.661249] ------------[ cut here ]------------ [ 50.662156] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.664103] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/253 [ 50.665547] Modules linked in: [ 50.666216] CPU: 0 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.668172] Tainted: [W]=WARN [ 50.668714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.670168] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.671062] 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 [ 50.674190] RSP: 0018:ffff8880173cfbc0 EFLAGS: 00010286 [ 50.675153] RAX: 0000000000000000 RBX: ffffed1002e79f78 RCX: ffffffff813a4050 [ 50.676402] RDX: ffff888016d9b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.677664] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e79f2f [ 50.678916] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.680207] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173cfdf8 [ 50.681467] FS: 00007f69c96bc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.682865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.683887] CR2: 00007fff554baef7 CR3: 000000001fc50000 CR4: 0000000000350ef0 [ 50.685143] Call Trace: [ 50.685602] [ 50.686052] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.686891] ? __create_object+0x59/0x80 [ 50.687663] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.688605] __vmalloc_noprof+0x59/0x60 [ 50.689357] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.690208] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.691126] bpf_prog_alloc+0x39/0x200 [ 50.691804] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.692711] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.693593] do_seccomp+0x349/0x25e0 [ 50.694296] ? find_held_lock+0x2b/0x80 [ 50.695040] ? do_prlimit+0x310/0x610 [ 50.695723] ? __pfx_do_seccomp+0x10/0x10 [ 50.696500] ? do_raw_spin_unlock+0x53/0x220 [ 50.697319] ? _raw_spin_unlock+0x1e/0x40 [ 50.698098] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.699035] ? static_key_count+0x60/0x80 [ 50.699769] prctl_set_seccomp+0x4e/0x70 [ 50.700525] __do_sys_prctl+0xe6c/0x1d70 [ 50.701291] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.702120] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.703070] ? irqentry_exit+0xf3/0x650 [ 50.703768] do_syscall_64+0xbf/0x430 [ 50.704486] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.705415] RIP: 0033:0x7f69c9bae5cd [ 50.706103] 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 [ 50.709159] RSP: 002b:00007fff554b99a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.710520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69c9bae5cd [ 50.711760] RDX: 000056217f438e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.713122] RBP: 00007fff554b9a00 R08: 0000000000000000 R09: 00007fff554b90a0 [ 50.714414] R10: 0000000000000000 R11: 0000000000000246 R12: 000056219c5c4240 [ 50.715686] R13: 00007fff554b9e30 R14: 000056219c5cd380 R15: 000056219c5d8540 [ 50.716978] [ 50.717405] irq event stamp: 1729 [ 50.718044] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 50.719545] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 50.721054] softirqs last enabled at (1344): [] handle_softirqs+0x50c/0x770 [ 50.722435] softirqs last disabled at (1339): [] __irq_exit_rcu+0xc4/0x100 [ 50.723680] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24037' (ECDSA) to the list of known hosts. 2025/11/18 18:23:16 fuzzer started 2025/11/18 18:23:17 dialing manager at localhost:34383 2025/11/18 18:23:17 checking machine... 2025/11/18 18:23:17 checking revisions... [ 51.612115] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:23:17 testing simple program... [ 51.703730] cgroup: Unknown subsys name 'net' [ 51.792137] cgroup: Unknown subsys name 'cpuset' [ 51.805978] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:23:16 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880159d1bc0 RCX=ffff888015a37514 RDX=0000000000000000 RSI=ffffffff8175a5f7 RDI=ffff8880159d1fbc RBP=ffff8880159d1bc0 RSP=ffff888015a37520 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007f32d84d1c64 R13=0000000000000000 R14=ffff8880159d1bc0 R15=ffff888009462500 RIP=ffffffff815bd7a7 RFL=00000213 [----A-C] 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 00007f32d7c18900 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=00007ffe6551ef18 CR3=000000000dac3000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=b7b1ee63dd27040500000000000ae988 XMM05=cd328256dc0165f60000000000321560 XMM06=e1bcd410fb3842e600000000003203f8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888019837928 RCX=ffffffff86a49dcc RDX=ffff888019838001 RSI=0000000000000000 RDI=ffff88806cf08a80 RBP=ffff888019830000 RSP=ffff88806cf089f8 R8 =ffffffff86a49dd0 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000012f5f R12=ffff88806cf08a01 R13=ffff88806cf08ab8 R14=ffff888019837928 R15=ffff88806cf08a70 RIP=ffffffff84c721b6 RFL=00000202 [-------] 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 00007f9390237900 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=00007fff983cd000 CR3=000000000dc68000 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