------------[ cut here ]------------ WARNING: CPU: 0 PID: 8715 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 8715 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 8715 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 8715 Comm: syz-executor.4 Not tainted 5.10.239 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 4a cb 7c 02 31 ff 41 89 c6 89 c6 e8 3e d9 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 e0 df d5 ff <0f> 0b e9 52 fe ff ff e8 d4 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff888043f9f9a8 EFLAGS: 00010202 RAX: 0000000000000180 RBX: ffff888048073100 RCX: ffffc9000c66a000 RDX: 0000000000040000 RSI: ffffffff816af0e0 RDI: 0000000000000005 RBP: 0000000020400000 R08: 0000000000000000 R09: ffff8880181d9cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110087f3f3e R13: ffffffff856799bc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f0a8d7af700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555562db708 CR3: 000000004dfac000 CR4: 0000000000350ef0 Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:841 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f0a90239b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0a8d7af188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f0a9034cf60 RCX: 00007f0a90239b19 RDX: 0000000000000004 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007f0a90293f6d R08: 0000000000000003 R09: 0000000000004000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec3d8aa6f R14: 00007f0a8d7af300 R15: 0000000000022000 irq event stamp: 1665 hardirqs last enabled at (1675): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1684): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1576): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1185): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 68002edab330497f ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8715 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 8715 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 8715 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 8715 Comm: syz-executor.4 Tainted: G W 5.10.239 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 4a cb 7c 02 31 ff 41 89 c6 89 c6 e8 3e d9 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 e0 df d5 ff <0f> 0b e9 52 fe ff ff e8 d4 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff888043f9f9a8 EFLAGS: 00010212 RAX: 00000000000199f3 RBX: ffff888048073100 RCX: ffffc9000c66a000 RDX: 0000000000040000 RSI: ffffffff816af0e0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff8880181d9cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110087f3f3e R13: ffffffff856799bc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f0a8d7af700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555562db708 CR3: 000000004dfac000 CR4: 0000000000350ef0 Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f0a90239b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0a8d7af188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f0a9034cf60 RCX: 00007f0a90239b19 RDX: 0000000000000004 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007f0a90293f6d R08: 0000000000000003 R09: 0000000000004000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec3d8aa6f R14: 00007f0a8d7af300 R15: 0000000000022000 irq event stamp: 2189 hardirqs last enabled at (2199): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2208): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 loop7: detected capacity change from 0 to 135266304 softirqs last enabled at (1576): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1185): [] asm_call_irq_on_stack+0x12/0x20 FAT-fs (loop7): invalid media value (0x70) ---[ end trace 68002edab3304980 ]--- FAT-fs (loop7): Can't find a valid FAT filesystem loop7: detected capacity change from 0 to 135266304 FAT-fs (loop7): invalid media value (0x70) FAT-fs (loop7): Can't find a valid FAT filesystem