syzkaller login: [ 39.010297] ------------[ cut here ]------------ [ 39.011068] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.012801] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.014041] Modules linked in: [ 39.014544] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.016195] Tainted: [W]=WARN [ 39.016653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.017850] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.018575] 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 [ 39.021212] RSP: 0018:ffff8880173cfbc0 EFLAGS: 00010286 [ 39.022030] RAX: 0000000000000000 RBX: ffffed1002e79f78 RCX: ffffffff813a4050 [ 39.023100] RDX: ffff888019f25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.024155] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e79f2f [ 39.025219] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.026293] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173cfdf8 [ 39.027352] FS: 00007f839b850900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.028540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.029411] CR2: 00007fff1ec84ef7 CR3: 00000000137fd000 CR4: 0000000000350ef0 [ 39.030478] Call Trace: [ 39.030892] [ 39.031240] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.031983] ? __create_object+0x59/0x80 [ 39.032591] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.033399] __vmalloc_noprof+0x59/0x60 [ 39.034028] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.034759] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.035501] bpf_prog_alloc+0x39/0x200 [ 39.036108] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.036868] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.037583] do_seccomp+0x349/0x25e0 [ 39.038190] ? find_held_lock+0x2b/0x80 [ 39.038809] ? do_prlimit+0x310/0x610 [ 39.039396] ? __pfx_do_seccomp+0x10/0x10 [ 39.040050] ? do_raw_spin_unlock+0x53/0x220 [ 39.040734] ? _raw_spin_unlock+0x1e/0x40 [ 39.041349] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.042147] ? static_key_count+0x60/0x80 [ 39.042801] prctl_set_seccomp+0x4e/0x70 [ 39.043412] __do_sys_prctl+0xe6c/0x1d70 [ 39.044054] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.044757] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.045517] ? irqentry_exit+0xf3/0x650 [ 39.046152] do_syscall_64+0xbf/0x430 [ 39.046756] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.047512] RIP: 0033:0x7f839bd425cd [ 39.048088] 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 [ 39.050708] RSP: 002b:00007fff1ec82700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.051833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f839bd425cd [ 39.052893] RDX: 000055820d29de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.053964] RBP: 00007fff1ec82760 R08: 0000000000000000 R09: 00007fff1ec81e00 [ 39.055024] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558247b502b0 [ 39.056100] R13: 00007fff1ec82b90 R14: 0000558247b52d20 R15: 0000558247b648d0 [ 39.057193] [ 39.057543] irq event stamp: 1755 [ 39.058102] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 39.059358] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 39.060638] softirqs last enabled at (1260): [] handle_softirqs+0x50c/0x770 [ 39.061943] softirqs last disabled at (1247): [] __irq_exit_rcu+0xc4/0x100 [ 39.063204] ---[ end trace 0000000000000000 ]--- [ 42.007710] ------------[ cut here ]------------ [ 42.008102] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.008987] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.009599] Modules linked in: [ 42.009880] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.010762] Tainted: [W]=WARN [ 42.011004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.011617] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.012039] 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 [ 42.013424] RSP: 0018:ffff8880163e7bc0 EFLAGS: 00010286 [ 42.013849] RAX: 0000000000000000 RBX: ffffed1002c7cf78 RCX: ffffffff813a4050 [ 42.014391] RDX: ffff8880163f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.014955] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c7cf2f [ 42.015487] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.016036] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163e7df8 [ 42.016573] FS: 00007ff3c59ed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.017196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.017634] CR2: 00007ffd6bd89ef7 CR3: 000000000e597000 CR4: 0000000000350ef0 [ 42.018197] Call Trace: [ 42.018398] [ 42.018575] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.018967] ? __create_object+0x59/0x80 [ 42.019288] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.019709] __vmalloc_noprof+0x59/0x60 [ 42.020018] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.020374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.020781] bpf_prog_alloc+0x39/0x200 [ 42.021081] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.021460] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.021857] do_seccomp+0x349/0x25e0 [ 42.022159] ? find_held_lock+0x2b/0x80 [ 42.022467] ? do_prlimit+0x310/0x610 [ 42.022794] ? __pfx_do_seccomp+0x10/0x10 [ 42.023114] ? do_raw_spin_unlock+0x53/0x220 [ 42.023452] ? _raw_spin_unlock+0x1e/0x40 [ 42.023788] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.024182] ? static_key_count+0x60/0x80 [ 42.024507] prctl_set_seccomp+0x4e/0x70 [ 42.024847] __do_sys_prctl+0xe6c/0x1d70 [ 42.025165] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.025514] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.025934] ? irqentry_exit+0xf3/0x650 [ 42.026253] do_syscall_64+0xbf/0x430 [ 42.026555] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.026965] RIP: 0033:0x7ff3c5edf5cd [ 42.027247] 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 [ 42.028593] RSP: 002b:00007ffd6bd876b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.029178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3c5edf5cd [ 42.029726] RDX: 00005633a5294e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.030261] RBP: 00007ffd6bd87710 R08: 0000000000000000 R09: 00007ffd6bd86db0 [ 42.030811] R10: 0000000000000000 R11: 0000000000000246 R12: 00005633c79bebf0 [ 42.031337] R13: 00007ffd6bd87b40 R14: 00005633c79c8380 R15: 00005633c79d3460 [ 42.031891] [ 42.032072] irq event stamp: 1657 [ 42.032330] hardirqs last enabled at (1665): [] __up_console_sem+0x78/0x80 [ 42.032984] hardirqs last disabled at (1674): [] __up_console_sem+0x5d/0x80 [ 42.033614] softirqs last enabled at (1214): [] handle_softirqs+0x50c/0x770 [ 42.034282] softirqs last disabled at (1205): [] __irq_exit_rcu+0xc4/0x100 [ 42.034933] ---[ end trace 0000000000000000 ]--- [ 42.805653] ------------[ cut here ]------------ [ 42.806109] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.807059] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.807736] Modules linked in: [ 42.808008] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.808930] Tainted: [W]=WARN [ 42.809188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.809893] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.810310] 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 [ 42.811798] RSP: 0018:ffff888019ff7bc0 EFLAGS: 00010286 [ 42.812232] RAX: 0000000000000000 RBX: ffffed10033fef78 RCX: ffffffff813a4050 [ 42.812835] RDX: ffff8880184e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.813411] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033fef2f [ 42.814020] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.814613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ff7df8 [ 42.815215] FS: 00007f2264647900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.815943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.816423] CR2: 00007ffc4803def7 CR3: 0000000020034000 CR4: 0000000000350ef0 [ 42.817167] Call Trace: [ 42.817444] [ 42.817727] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.818236] ? __create_object+0x59/0x80 [ 42.818668] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.819252] __vmalloc_noprof+0x59/0x60 [ 42.819663] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.820177] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.820726] bpf_prog_alloc+0x39/0x200 [ 42.821135] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.821653] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.822201] do_seccomp+0x349/0x25e0 [ 42.822591] ? find_held_lock+0x2b/0x80 [ 42.823051] ? do_prlimit+0x310/0x610 [ 42.823465] ? __pfx_do_seccomp+0x10/0x10 [ 42.823932] ? do_raw_spin_unlock+0x53/0x220 [ 42.824388] ? _raw_spin_unlock+0x1e/0x40 [ 42.824852] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.825390] ? static_key_count+0x60/0x80 [ 42.825861] prctl_set_seccomp+0x4e/0x70 [ 42.826297] __do_sys_prctl+0xe6c/0x1d70 [ 42.826767] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.827245] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.827811] ? irqentry_exit+0xf3/0x650 [ 42.828238] do_syscall_64+0xbf/0x430 [ 42.828645] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.829213] RIP: 0033:0x7f2264b395cd [ 42.829601] 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 [ 42.831440] RSP: 002b:00007ffc4803c430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.832234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2264b395cd [ 42.832986] RDX: 000055ddfb969e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.833742] RBP: 00007ffc4803c490 R08: 0000000000000000 R09: 00007ffc4803bb30 [ 42.834476] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de2f1b9ad0 [ 42.835220] R13: 00007ffc4803c8c0 R14: 000055de2f1babc0 R15: 000055de2f1cb780 [ 42.835990] [ 42.836243] irq event stamp: 1651 [ 42.836591] hardirqs last enabled at (1659): [] __up_console_sem+0x78/0x80 [ 42.837482] hardirqs last disabled at (1668): [] __up_console_sem+0x5d/0x80 [ 42.838387] softirqs last enabled at (1200): [] handle_softirqs+0x50c/0x770 [ 42.839290] softirqs last disabled at (1191): [] __irq_exit_rcu+0xc4/0x100 [ 42.840175] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54407' (ECDSA) to the list of known hosts. 2025/11/18 01:20:14 fuzzer started 2025/11/18 01:20:14 dialing manager at localhost:37895 2025/11/18 01:20:14 checking machine... 2025/11/18 01:20:14 checking revisions... [ 43.705851] kmemleak: Automatic memory scanning thread ended 2025/11/18 01:20:14 testing simple program... [ 43.779278] cgroup: Unknown subsys name 'net' [ 43.836868] cgroup: Unknown subsys name 'cpuset' [ 43.849920] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:20:13 Registers: info registers vcpu 0 RAX=0000000000006e73 RBX=ffff888014bd0000 RCX=ffffffff87d1a5b8 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff888014bd0a58 RSP=ffff888014bcf3d8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888014bd0a80 R13=0000000000000000 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff815271f1 RFL=00000003 [------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 00007f8f2f02d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8f2e744000 CR3=000000000de3a000 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=65146c359e075db8dc4295921b7dff04 XMM02=ec2efd57dc4c00df0000000000303200 XMM03=6c10eb83d840456000000000003032d0 XMM04=2354bfe9cf53f52c00000000000ae988 XMM05=2c79f0805bb97b3c0000000000320f18 XMM06=d96330e2d2db8632000000000031fdd0 XMM07=fb795ef6d6577056000000000030f2e0 XMM08=2c67c8bc2e329bc30000000000303270 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000000d1 RBX=0000000000000020 RCX=00005633c799d010 RDX=0000000000000000 RSI=0000000000000007 RDI=00005633c79daaf0 RBP=00007ff3c5f9fb80 RSP=00007ffd6bd870c0 R8 =0000000000000007 R9 =00007ffd6bd86eb0 R10=0000000000000022 R11=0000000000000202 R12=00005633c79daae0 R13=0000000000000000 R14=00005633c79dab00 R15=00007ffd6bd872e0 RIP=00007ff3c5e679d4 RFL=00000287 [--S--PC] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007ff3c59ed900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005633c79da4d8 CR3=000000000cb13000 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