syzkaller login: [ 39.021138] ------------[ cut here ]------------ [ 39.022144] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.024289] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.025872] Modules linked in: [ 39.026552] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.028908] Tainted: [W]=WARN [ 39.029559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.031133] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.032122] 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 [ 39.035523] RSP: 0018:ffff888015d87bc0 EFLAGS: 00010286 [ 39.036596] RAX: 0000000000000000 RBX: ffffed1002bb0f78 RCX: ffffffff813a4050 [ 39.037979] RDX: ffff888015e61bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.039402] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb0f2f [ 39.040783] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.042198] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d87df8 [ 39.043569] FS: 00007f2aeebcb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.045139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.046312] CR2: 00007f2aef1314a6 CR3: 000000001a7f4000 CR4: 0000000000350ef0 [ 39.047699] Call Trace: [ 39.048207] [ 39.048694] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.049691] ? __create_object+0x59/0x80 [ 39.050537] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.051593] __vmalloc_noprof+0x59/0x60 [ 39.052428] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.053313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.054342] bpf_prog_alloc+0x39/0x200 [ 39.055161] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.056169] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.057141] do_seccomp+0x349/0x25e0 [ 39.057935] ? find_held_lock+0x2b/0x80 [ 39.058778] ? do_prlimit+0x310/0x610 [ 39.059580] ? __pfx_do_seccomp+0x10/0x10 [ 39.060416] ? do_raw_spin_unlock+0x53/0x220 [ 39.061263] ? _raw_spin_unlock+0x1e/0x40 [ 39.062104] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.063151] ? static_key_count+0x60/0x80 [ 39.064024] prctl_set_seccomp+0x4e/0x70 [ 39.064858] __do_sys_prctl+0xe6c/0x1d70 [ 39.065703] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.066642] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.067675] ? irqentry_exit+0xf3/0x650 [ 39.068510] do_syscall_64+0xbf/0x430 [ 39.069244] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.070298] RIP: 0033:0x7f2aef0bd5cd [ 39.071058] 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 [ 39.074521] RSP: 002b:00007ffed52d6f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.075967] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2aef0bd5cd [ 39.077378] RDX: 000056527f058e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.078751] RBP: 00007ffed52d6fe0 R08: 0000000000000000 R09: 00007ffed52d6680 [ 39.080172] R10: 0000000000000000 R11: 0000000000000246 R12: 000056529fcaebf0 [ 39.081529] R13: 00007ffed52d7410 R14: 000056529fcb8380 R15: 000056529fcc3460 [ 39.083013] [ 39.083485] irq event stamp: 1777 [ 39.084096] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 39.085640] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 39.087106] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 39.088557] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 39.090080] ---[ end trace 0000000000000000 ]--- [ 41.558342] ------------[ cut here ]------------ [ 41.559126] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.560975] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.562464] Modules linked in: [ 41.563013] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.564831] Tainted: [W]=WARN [ 41.565304] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.566658] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.567472] 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 [ 41.570317] RSP: 0018:ffff888016a4fbc0 EFLAGS: 00010286 [ 41.571123] RAX: 0000000000000000 RBX: ffffed1002d49f78 RCX: ffffffff813a4050 [ 41.572248] RDX: ffff8880163f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.573386] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d49f2f [ 41.574473] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.575733] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a4fdf8 [ 41.577090] FS: 00007f110b999900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.578552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.579528] CR2: 00007ffc1a01cef7 CR3: 0000000020780000 CR4: 0000000000350ef0 [ 41.580692] Call Trace: [ 41.581096] [ 41.581511] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.582294] ? __create_object+0x59/0x80 [ 41.582994] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.583848] __vmalloc_noprof+0x59/0x60 [ 41.584492] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.585252] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.586076] bpf_prog_alloc+0x39/0x200 [ 41.586702] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.587533] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.588326] do_seccomp+0x349/0x25e0 [ 41.588948] ? find_held_lock+0x2b/0x80 [ 41.589592] ? do_prlimit+0x310/0x610 [ 41.590202] ? __pfx_do_seccomp+0x10/0x10 [ 41.590927] ? do_raw_spin_unlock+0x53/0x220 [ 41.591667] ? _raw_spin_unlock+0x1e/0x40 [ 41.592284] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.593080] ? static_key_count+0x60/0x80 [ 41.593836] prctl_set_seccomp+0x4e/0x70 [ 41.594505] __do_sys_prctl+0xe6c/0x1d70 [ 41.595118] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.595883] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.596741] ? irqentry_exit+0xf3/0x650 [ 41.597441] do_syscall_64+0xbf/0x430 [ 41.598079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.598894] RIP: 0033:0x7f110be8b5cd [ 41.599512] 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 [ 41.602319] RSP: 002b:00007ffc1a01bbc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.603507] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f110be8b5cd [ 41.604602] RDX: 000055db611cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.605741] RBP: 00007ffc1a01bc20 R08: 0000000000000000 R09: 00007ffc1a01b2c0 [ 41.606858] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db8e102b10 [ 41.607982] R13: 00007ffc1a01c050 R14: 000055db8e1032b0 R15: 000055db8e1176f0 [ 41.609075] [ 41.609453] irq event stamp: 1797 [ 41.609969] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 41.611286] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 41.612562] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 41.613899] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 41.615159] ---[ end trace 0000000000000000 ]--- [ 42.318022] ------------[ cut here ]------------ [ 42.318985] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.321021] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.322507] Modules linked in: [ 42.323098] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.325085] Tainted: [W]=WARN [ 42.325923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.327490] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.328410] 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 [ 42.331611] RSP: 0018:ffff88800a9bfbc0 EFLAGS: 00010286 [ 42.332583] RAX: 0000000000000000 RBX: ffffed1001537f78 RCX: ffffffff813a4050 [ 42.333872] RDX: ffff88800f349bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.335162] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001537f2f [ 42.336451] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.337723] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a9bfdf8 [ 42.339030] FS: 00007fca753d2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.340483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.341536] CR2: 00007fca758c4580 CR3: 0000000020dca000 CR4: 0000000000350ef0 [ 42.342822] Call Trace: [ 42.343279] [ 42.343734] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.344630] ? __create_object+0x59/0x80 [ 42.345427] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.346394] __vmalloc_noprof+0x59/0x60 [ 42.347103] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.347974] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.348919] bpf_prog_alloc+0x39/0x200 [ 42.349652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.350606] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.351506] do_seccomp+0x349/0x25e0 [ 42.352185] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.353073] ? __pfx_do_seccomp+0x10/0x10 [ 42.353867] ? find_held_lock+0x2b/0x80 [ 42.354650] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.355610] ? static_key_count+0x60/0x80 [ 42.356415] prctl_set_seccomp+0x4e/0x70 [ 42.357141] __do_sys_prctl+0xe6c/0x1d70 [ 42.357932] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.358796] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.359771] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.360744] ? irqentry_exit+0xf3/0x650 [ 42.361505] do_syscall_64+0xbf/0x430 [ 42.362322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.363210] RIP: 0033:0x7fca758c45cd [ 42.363806] 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 [ 42.366470] RSP: 002b:00007ffe649deab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.367600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca758c45cd [ 42.368651] RDX: 0000560a0654be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.369706] RBP: 00007ffe649deb10 R08: 0000000000000000 R09: 00007ffe649de1b0 [ 42.370778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560a0f8f4240 [ 42.371830] R13: 00007ffe649def40 R14: 0000560a0f8fd380 R15: 0000560a0f908540 [ 42.372898] [ 42.373247] irq event stamp: 1775 [ 42.373789] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 42.375045] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 42.376323] softirqs last enabled at (1582): [] handle_softirqs+0x50c/0x770 [ 42.377616] softirqs last disabled at (1577): [] __irq_exit_rcu+0xc4/0x100 [ 42.378867] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26545' (ECDSA) to the list of known hosts. 2025/11/18 16:40:50 fuzzer started 2025/11/18 16:40:50 dialing manager at localhost:34383 2025/11/18 16:40:50 checking machine... 2025/11/18 16:40:50 checking revisions... [ 43.203672] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:40:50 testing simple program... [ 43.283469] cgroup: Unknown subsys name 'net' [ 43.334761] cgroup: Unknown subsys name 'cpuset' [ 43.346673] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:40:49 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=0000000000000001 RCX=ffffffff84c6acde RDX=000000000003c6ad RSI=000000000003c6ac RDI=ffffffff86fb560c RBP=ffff88801a0375f0 RSP=ffff88801a037528 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7d16 R12=ffff88801a0375f8 R13=ffff88801a0375e0 R14=ffff88801a0375d9 R15=ffff88801a037598 RIP=ffffffff8135e65c RFL=00000246 [---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 00007fecfab70700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f110b968008 CR3=000000000d58c000 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=2039343a30343a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039343a30343a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000027ae9 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5a0e52b218 CR3=000000000d77f000 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=c87e147fa40bceb5ee4ef0c394d879fd XMM02=0000000000303cc0eff9b2d0a8fce9cb XMM03=0000000000303d902c67c8bc2e329bc3 XMM04=e3b148194e50a09d00000000000ae988 XMM05=090f1556b20111b30000000000320718 XMM06=22ddbdceb02674bd0000000000319ea0 XMM07=e042d86d42eb936e0000000000310058 XMM08=08b953f0ff848c440000000000303d90 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000