syzkaller login: [ 39.002634] ------------[ cut here ]------------ [ 39.003532] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.005556] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.006985] Modules linked in: [ 39.007563] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.009753] Tainted: [W]=WARN [ 39.010342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.011783] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.012707] 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 [ 39.015917] RSP: 0018:ffff88801c497bc0 EFLAGS: 00010286 [ 39.016847] RAX: 0000000000000000 RBX: ffffed1003892f78 RCX: ffffffff813a4050 [ 39.018106] RDX: ffff888017211bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.019371] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003892f2f [ 39.020641] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.021910] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c497df8 [ 39.023195] FS: 00007fc633407900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.024625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.025665] CR2: 00007fffb63fbef8 CR3: 000000000b875000 CR4: 0000000000350ef0 [ 39.026934] Call Trace: [ 39.027388] [ 39.027795] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.028690] ? __create_object+0x59/0x80 [ 39.029463] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.030428] __vmalloc_noprof+0x59/0x60 [ 39.031186] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.032062] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.033006] bpf_prog_alloc+0x39/0x200 [ 39.033689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.034600] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.035501] do_seccomp+0x349/0x25e0 [ 39.036217] ? find_held_lock+0x2b/0x80 [ 39.036973] ? do_prlimit+0x310/0x610 [ 39.037659] ? __pfx_do_seccomp+0x10/0x10 [ 39.038442] ? do_raw_spin_unlock+0x53/0x220 [ 39.039270] ? _raw_spin_unlock+0x1e/0x40 [ 39.040047] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.041024] ? static_key_count+0x60/0x80 [ 39.041760] prctl_set_seccomp+0x4e/0x70 [ 39.042527] __do_sys_prctl+0xe6c/0x1d70 [ 39.043293] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.044164] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.045145] ? irqentry_exit+0xf3/0x650 [ 39.045856] do_syscall_64+0xbf/0x430 [ 39.046603] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.047565] RIP: 0033:0x7fc6338f95cd [ 39.048248] 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 [ 39.052032] RSP: 002b:00007fffb63fa890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.053557] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6338f95cd [ 39.054918] RDX: 000055efd59dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.056235] RBP: 00007fffb63fa8f0 R08: 0000000000000000 R09: 00007fffb63f9f90 [ 39.057612] R10: 0000000000000000 R11: 0000000000000246 R12: 000055effe9ef240 [ 39.058913] R13: 00007fffb63fad20 R14: 000055effe9f8380 R15: 000055effea03540 [ 39.060211] [ 39.060651] irq event stamp: 1761 [ 39.061305] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 39.062877] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.064463] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 39.066017] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 39.067547] ---[ end trace 0000000000000000 ]--- [ 42.421804] ------------[ cut here ]------------ [ 42.422720] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.424763] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.426219] Modules linked in: [ 42.426829] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.429079] Tainted: [W]=WARN [ 42.429633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.431174] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.432090] 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 [ 42.435270] RSP: 0018:ffff88801774fbc0 EFLAGS: 00010286 [ 42.436230] RAX: 0000000000000000 RBX: ffffed1002ee9f78 RCX: ffffffff813a4050 [ 42.437524] RDX: ffff888014d18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.438802] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee9f2f [ 42.440063] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.441355] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801774fdf8 [ 42.442661] FS: 00007ff6e12f3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.444088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.445167] CR2: 00007ff6e17e5580 CR3: 000000000cfc1000 CR4: 0000000000350ef0 [ 42.446453] Call Trace: [ 42.446948] [ 42.447361] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.448248] ? __create_object+0x59/0x80 [ 42.449057] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.450027] __vmalloc_noprof+0x59/0x60 [ 42.450758] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.451623] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.452556] bpf_prog_alloc+0x39/0x200 [ 42.453296] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.454230] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.455146] do_seccomp+0x349/0x25e0 [ 42.455823] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.456733] ? __pfx_do_seccomp+0x10/0x10 [ 42.457516] ? find_held_lock+0x2b/0x80 [ 42.458283] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.459258] ? static_key_count+0x60/0x80 [ 42.460057] prctl_set_seccomp+0x4e/0x70 [ 42.460804] __do_sys_prctl+0xe6c/0x1d70 [ 42.461593] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.462439] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.463425] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.464397] ? irqentry_exit+0xf3/0x650 [ 42.465159] do_syscall_64+0xbf/0x430 [ 42.465857] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.466824] RIP: 0033:0x7ff6e17e55cd [ 42.467533] 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 [ 42.470705] RSP: 002b:00007fff89047450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.472051] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6e17e55cd [ 42.473352] RDX: 0000555d7730fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.474648] RBP: 00007fff890474b0 R08: 0000000000000000 R09: 00007fff89046b50 [ 42.475959] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555db1710ad0 [ 42.477265] R13: 00007fff890478e0 R14: 0000555db1711bc0 R15: 0000555db1722780 [ 42.478564] [ 42.479034] irq event stamp: 1879 [ 42.479639] hardirqs last enabled at (1887): [] __up_console_sem+0x78/0x80 [ 42.481154] hardirqs last disabled at (1896): [] __up_console_sem+0x5d/0x80 [ 42.482693] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 42.484244] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 42.485783] ---[ end trace 0000000000000000 ]--- [ 43.178737] ------------[ cut here ]------------ [ 43.179692] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.181730] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.183173] Modules linked in: [ 43.183766] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.185799] Tainted: [W]=WARN [ 43.186402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.187926] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.188817] 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 [ 43.192241] RSP: 0018:ffff88801c19fbc0 EFLAGS: 00010286 [ 43.193313] RAX: 0000000000000000 RBX: ffffed1003833f78 RCX: ffffffff813a4050 [ 43.194626] RDX: ffff888017215340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.195924] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003833f2f [ 43.197232] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.198542] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c19fdf8 [ 43.199835] FS: 00007f4266218900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.201310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.202394] CR2: 00007ffcb98fdef8 CR3: 0000000020402000 CR4: 0000000000350ef0 [ 43.203716] Call Trace: [ 43.204220] [ 43.204638] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.205538] ? __create_object+0x59/0x80 [ 43.206314] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.207270] __vmalloc_noprof+0x59/0x60 [ 43.208014] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.208841] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.209761] bpf_prog_alloc+0x39/0x200 [ 43.210487] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.211410] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.212327] do_seccomp+0x349/0x25e0 [ 43.213055] ? find_held_lock+0x2b/0x80 [ 43.213780] ? do_prlimit+0x310/0x610 [ 43.214540] ? __pfx_do_seccomp+0x10/0x10 [ 43.215345] ? do_raw_spin_unlock+0x53/0x220 [ 43.216172] ? _raw_spin_unlock+0x1e/0x40 [ 43.216980] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.217958] ? static_key_count+0x60/0x80 [ 43.218712] prctl_set_seccomp+0x4e/0x70 [ 43.219490] __do_sys_prctl+0xe6c/0x1d70 [ 43.220279] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.221166] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.222155] ? irqentry_exit+0xf3/0x650 [ 43.222938] do_syscall_64+0xbf/0x430 [ 43.223643] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.224609] RIP: 0033:0x7f426670a5cd [ 43.225325] 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 [ 43.228524] RSP: 002b:00007ffcb98fbe80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.229883] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f426670a5cd [ 43.231170] RDX: 000055b75fcfae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.232476] RBP: 00007ffcb98fbee0 R08: 0000000000000000 R09: 00007ffcb98fb580 [ 43.233758] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b7820b0ad0 [ 43.235031] R13: 00007ffcb98fc310 R14: 000055b7820b1bc0 R15: 000055b7820c2780 [ 43.236342] [ 43.236768] irq event stamp: 1791 [ 43.237416] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 43.238927] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 43.240471] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 43.242014] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 43.243538] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20624' (ECDSA) to the list of known hosts. 2025/11/17 10:45:03 fuzzer started 2025/11/17 10:45:04 dialing manager at localhost:37895 2025/11/17 10:45:04 checking machine... 2025/11/17 10:45:04 checking revisions... [ 44.129969] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:45:04 testing simple program... [ 44.209055] cgroup: Unknown subsys name 'net' [ 44.262102] cgroup: Unknown subsys name 'cpuset' [ 44.277440] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:45:03 Registers: info registers vcpu 0 RAX=0000000000020000 RBX=ffff888014d19bc0 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888014d1a618 RSP=ffff888019816a70 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888014d1a640 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270a8 RFL=00000056 [---ZAP-] 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 00007ff6e12f3900 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=00007ff6e12bd008 CR3=000000001fac2000 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=0000000080010002 RBX=0000000000000001 RCX=ffffffff8162e405 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88806cf28e58 RSP=ffff88806cf08e20 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806cf28500 R13=ffff88806cf28580 R14=00000009fe0d7340 R15=dffffc0000000000 RIP=ffffffff817515ca RFL=00000046 [---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 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=00007ffc215f4988 CR3=000000000b68f000 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=35343a303120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343032 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000