syzkaller login: [ 39.290803] ------------[ cut here ]------------ [ 39.291762] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.293716] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.295180] Modules linked in: [ 39.295785] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.297707] Tainted: [W]=WARN [ 39.298347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.299908] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.300872] 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 [ 39.304158] RSP: 0018:ffff88800f22fbc0 EFLAGS: 00010286 [ 39.305123] RAX: 0000000000000000 RBX: ffffed1001e45f78 RCX: ffffffff813a4050 [ 39.306515] RDX: ffff888014d1d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.307860] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e45f2f [ 39.309183] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.310501] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f22fdf8 [ 39.311868] FS: 00007f8a67d18900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.313366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.314479] CR2: 00007ffe086c9ef7 CR3: 000000000e0f9000 CR4: 0000000000350ef0 [ 39.315846] Call Trace: [ 39.316363] [ 39.316792] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.317718] ? __create_object+0x59/0x80 [ 39.318555] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.319570] __vmalloc_noprof+0x59/0x60 [ 39.320363] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.321273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.322224] bpf_prog_alloc+0x39/0x200 [ 39.322943] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.323951] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.324876] do_seccomp+0x349/0x25e0 [ 39.325632] ? find_held_lock+0x2b/0x80 [ 39.326421] ? do_prlimit+0x310/0x610 [ 39.327199] ? __pfx_do_seccomp+0x10/0x10 [ 39.327993] ? do_raw_spin_unlock+0x53/0x220 [ 39.328872] ? _raw_spin_unlock+0x1e/0x40 [ 39.329709] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.330719] ? static_key_count+0x60/0x80 [ 39.331578] prctl_set_seccomp+0x4e/0x70 [ 39.332385] __do_sys_prctl+0xe6c/0x1d70 [ 39.333209] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.334046] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.335058] ? irqentry_exit+0xf3/0x650 [ 39.335847] do_syscall_64+0xbf/0x430 [ 39.336624] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.337621] RIP: 0033:0x7f8a6820a5cd [ 39.338366] 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 [ 39.341751] RSP: 002b:00007ffe086c8d80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.343195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a6820a5cd [ 39.344582] RDX: 000055a851007e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.345932] RBP: 00007ffe086c8de0 R08: 0000000000000000 R09: 00007ffe086c8480 [ 39.347311] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a85630cad0 [ 39.348664] R13: 00007ffe086c9210 R14: 000055a85630dbc0 R15: 000055a85631e780 [ 39.350045] [ 39.350548] irq event stamp: 1735 [ 39.351269] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 39.352877] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 39.354470] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 39.356107] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 39.357434] ---[ end trace 0000000000000000 ]--- [ 42.075047] ------------[ cut here ]------------ [ 42.076050] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.078176] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.079672] Modules linked in: [ 42.080337] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.082620] Tainted: [W]=WARN [ 42.083322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.084838] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.085793] 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 [ 42.089108] RSP: 0018:ffff888016bb7bc0 EFLAGS: 00010286 [ 42.090117] RAX: 0000000000000000 RBX: ffffed1002d76f78 RCX: ffffffff813a4050 [ 42.091479] RDX: ffff888017343780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.092828] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d76f2f [ 42.094155] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.095513] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bb7df8 [ 42.096835] FS: 00007feb6ec7f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.098348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.099437] CR2: 00007fff2b8a7ef7 CR3: 0000000020b70000 CR4: 0000000000350ef0 [ 42.100788] Call Trace: [ 42.101299] [ 42.101715] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.102639] ? __create_object+0x59/0x80 [ 42.103450] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.104440] __vmalloc_noprof+0x59/0x60 [ 42.105235] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.106072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.107038] bpf_prog_alloc+0x39/0x200 [ 42.107791] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.108760] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.109673] do_seccomp+0x349/0x25e0 [ 42.110420] ? find_held_lock+0x2b/0x80 [ 42.111180] ? do_prlimit+0x310/0x610 [ 42.111919] ? __pfx_do_seccomp+0x10/0x10 [ 42.112740] ? do_raw_spin_unlock+0x53/0x220 [ 42.113586] ? _raw_spin_unlock+0x1e/0x40 [ 42.114384] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.115401] ? static_key_count+0x60/0x80 [ 42.116207] prctl_set_seccomp+0x4e/0x70 [ 42.116970] __do_sys_prctl+0xe6c/0x1d70 [ 42.117785] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.118645] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.119648] ? irqentry_exit+0xf3/0x650 [ 42.120446] do_syscall_64+0xbf/0x430 [ 42.121190] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.122179] RIP: 0033:0x7feb6f1715cd [ 42.122847] 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 [ 42.126177] RSP: 002b:00007fff2b8a6740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.127585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb6f1715cd [ 42.128933] RDX: 000055731593de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.130239] RBP: 00007fff2b8a67a0 R08: 0000000000000000 R09: 00007fff2b8a5e40 [ 42.131577] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573494abb10 [ 42.132745] R13: 00007fff2b8a6bd0 R14: 00005573494ac2b0 R15: 00005573494c06f0 [ 42.133969] [ 42.134394] irq event stamp: 1821 [ 42.134941] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 42.136370] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 42.137769] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 42.139217] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 42.140618] ---[ end trace 0000000000000000 ]--- [ 42.681332] ------------[ cut here ]------------ [ 42.681727] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.682600] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.683247] Modules linked in: [ 42.683571] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.684634] Tainted: [W]=WARN [ 42.684922] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.685709] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.686187] 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 [ 42.687863] RSP: 0018:ffff888016cdfbc0 EFLAGS: 00010286 [ 42.688379] RAX: 0000000000000000 RBX: ffffed1002d9bf78 RCX: ffffffff813a4050 [ 42.689020] RDX: ffff88801602d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.689708] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9bf2f [ 42.690388] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.691032] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cdfdf8 [ 42.691725] FS: 00007f5b2eb30900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.692480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.693012] CR2: 00007fff876d6ef7 CR3: 0000000020b17000 CR4: 0000000000350ef0 [ 42.693693] Call Trace: [ 42.693934] [ 42.694183] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.694628] ? __create_object+0x59/0x80 [ 42.695013] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.695539] __vmalloc_noprof+0x59/0x60 [ 42.695908] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.696369] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.696831] bpf_prog_alloc+0x39/0x200 [ 42.697220] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.697679] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.698125] do_seccomp+0x349/0x25e0 [ 42.698506] ? find_held_lock+0x2b/0x80 [ 42.698875] ? do_prlimit+0x310/0x610 [ 42.699284] ? __pfx_do_seccomp+0x10/0x10 [ 42.699674] ? do_raw_spin_unlock+0x53/0x220 [ 42.700084] ? _raw_spin_unlock+0x1e/0x40 [ 42.700506] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.700976] ? static_key_count+0x60/0x80 [ 42.701400] prctl_set_seccomp+0x4e/0x70 [ 42.701777] __do_sys_prctl+0xe6c/0x1d70 [ 42.702188] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.702610] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.703086] ? irqentry_exit+0xf3/0x650 [ 42.703504] do_syscall_64+0xbf/0x430 [ 42.703864] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.704368] RIP: 0033:0x7f5b2f0225cd [ 42.704710] 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 [ 42.706360] RSP: 002b:00007fff876d4a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.707043] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b2f0225cd [ 42.707730] RDX: 00005621817d2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.708394] RBP: 00007fff876d4ad0 R08: 0000000000000000 R09: 00007fff876d4170 [ 42.709035] R10: 0000000000000000 R11: 0000000000000246 R12: 00005621a1142ad0 [ 42.709708] R13: 00007fff876d4f00 R14: 00005621a1143bc0 R15: 00005621a1154780 [ 42.710379] [ 42.710596] irq event stamp: 1665 [ 42.710909] hardirqs last enabled at (1673): [] __up_console_sem+0x78/0x80 [ 42.711711] hardirqs last disabled at (1682): [] __up_console_sem+0x5d/0x80 [ 42.712500] softirqs last enabled at (1216): [] handle_softirqs+0x50c/0x770 [ 42.713303] softirqs last disabled at (1207): [] __irq_exit_rcu+0xc4/0x100 [ 42.714065] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21287' (ECDSA) to the list of known hosts. 2025/11/18 09:03:05 fuzzer started 2025/11/18 09:03:05 dialing manager at localhost:34383 2025/11/18 09:03:05 checking machine... 2025/11/18 09:03:05 checking revisions... [ 43.388414] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:03:05 testing simple program... [ 43.438399] cgroup: Unknown subsys name 'net' [ 43.485069] cgroup: Unknown subsys name 'cpuset' [ 43.492207] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.439502] audit: type=1400 audit(1763456594.671:7): avc: denied { execmem } for pid=275 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 09:03:05 Registers: info registers vcpu 0 RAX=0000000000000003 RBX=ffff8880e538f000 RCX=c4de032379a7a0e1 RDX=0000000000000000 RSI=0000000073b22672 RDI=ffff88806ce31cd0 RBP=ffff888016cdf468 RSP=ffff888016cdf340 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888016cdf458 R14=ffff888016cdf458 R15=ffff888016cdf410 RIP=ffffffff815bd139 RFL=00000206 [-----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 00007feb6ec7f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007feb6ec5e020 CR3=0000000020b17000 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=0000000000022925 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=00007ffdd3f6d728 CR3=000000000b3d1000 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=33303a393020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383333 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000